NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = K.Wimmer Found 152 matches. Showing 1 to 100. [Next]2024IM02 Phys.Lett. B 850, 138470 (2024) N.Imai, M.Dozono, S.Michimasa, T.Sumikama, S.Ota, S.Hayakawa, J.W.Hwang, K.Iribe, C.Iwamoto, S.Kawase, K.Kawata, N.Kitamura, S.Masuoka, K.Nakano, P.Schrock, D.Suzuki, R.Tsunoda, K.Wimmer, D.S.Ahn, O.Beliuskina, N.Chiga, N.Fukuda, E.Ideguchi, K.Kusaka, H.Miki, H.Miyatake, D.Nagae, S.Ohmika, M.Ohtake, H.J.Ong, H.Otsu, H.Sakurai, H.Shimizu, Y.Shimizu, X.Sun, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, T.Teranishi, Y.Watanabe, Y.X.Watanabe, K.Yako, H.Yamada, H.Yamaguchi, L.Yang, R.Yanagihara, Y.Yanagisawa, K.Yoshida, S.Shimoura Neutron capture reaction cross-section of 79Se through the 79Se(d, p) reaction in inverse kinematics NUCLEAR REACTIONS 2H(77Se, p), (79Se, p), E=20 MeV/nucleon; measured reaction products, Eγ, Iγ. 78,80Se; deduced γ-ray energies, γ-emission probabilities, σ, isomer ratio. Comparison with available data, TALYS and code DWUCK5 calculations. The surrogate-ratio method, the RI Beam Factory operated by the RIKEN Nishina Center and the Center for Nuclear Studies (CNS), University of Tokyo, by employing the novel "optimized energy degrading optics" (OEDO) for radioactive isotope (RI) beams.
doi: 10.1016/j.physletb.2024.138470
2024JU01 Phys.Lett. B 851, 138561 (2024) A.Jungclaus, P.Doornenbal, J.Acosta, V.Vaquero, F.Browne, M.L.Cortes, A.Gargano, T.Koiwai, H.Naidja, R.Taniuchi, J.A.Tostevin, K.Wimmer, A.Algora, H.Baba, A.Fernandez, N.Lalovic, E.Nacher, B.Rubio, H.Sakurai Position of the single-particle 3/2- state in 135Sn and the N=90 subshell closure NUCLEAR REACTIONS 9Be(136Sn, n)135Sn, E=200 MeV/nucleon; 9Be(137Sb, np)135Sn, E=202 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, level T1/2 limit, B(E2), the evolution of the neutron shell structure beyond N=82. Comparison with he predictions of shell-model calculations performed using microscopic interactions derived from the CD-Bonn and N3LO NN potentials. The Radioactive Isotope Beam Factory (RIBF) operated by the RIKEN Nishina Center for Accelerator-Based Science and the Center for Nuclear Study of the University of Tokyo.
doi: 10.1016/j.physletb.2024.138561
2024LI18 Phys.Rev. C 109, 034312 (2024) B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, T.Duguet, M.Gomez-Ramos, J.D.Holt, B.S.Hu, T.Miyagi, A.M.Moro, P.Navratil, K.Ogata, S.Peru, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.T.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Onset of collectivity for argon isotopes close to N=32
doi: 10.1103/PhysRevC.109.034312
2024XI06 Phys.Rev. C 109, 035804 (2024) W.Xian, S.Chen, S.Nikas, M.Rosenbusch, M.Wada, H.Ishiyama, D.Hou, S.Iimura, S.Nishimura, P.Schury, A.Takamine, S.Yan, F.Browne, P.Doornenbal, F.Flavigny, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, J.Lee, J.Liu, H.Miyatake, S.Michimasa, J.Y.Moon, S.Naimi, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, V.Werner, K.Wimmer, H.Wollnik Mass measurements of neutron-rich A ≈ 90 nuclei constrain element abundances
doi: 10.1103/PhysRevC.109.035804
2023BE11 Eur.Phys.J. A 59, 172 (2023) M.A.Bentley, G.Benzoni, K.Wimmer Agata: in-beam spectroscopy with relativistic beams
doi: 10.1140/epja/s10050-023-01075-8
2023BO18 Phys.Rev. C 108, 034604 (2023) M.Bowry, O.B.Tarasov, J.S.Berryman, V.Bader, D.Bazin, T.Chupp, H.L.Crawford, A.Gade, E.Lunderberg, A.Ratkiewicz, F.Recchia, B.M.Sherrill, D.Smalley, A.Stolz, S.R.Stroberg, D.Weisshaar, S.Williams, K.Wimmer, J.Yurkon Abrasion-fission reactions at intermediate energies
doi: 10.1103/PhysRevC.108.034604
2023CH26 Phys.Lett. B 843, 138025 (2023) S.Chen, F.Browne, P.Doornenbal, J.Lee, A.Obertelli, Y.Tsunoda, T.Otsuka, Y.Chazono, G.Hagen, J.D.Holt, G.R.Jansen, K.Ogata, N.Shimizu, Y.Utsuno, K.Yoshida, N.L.Achouri, H.Baba, D.Calvet, F.Chateau, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Level structures of 56, 58Ca cast doubt on a doubly magic 60Ca NUCLEAR REACTIONS 1H(57Sc, 2p)56Ca, E=209 MeV/nucleon; 1H(59Sc, 2p)58Ca, E=199 MeV/nucleon, [57,59Sc secondary beams from 9Be(70Zn, X), E=345 MeV/nucleon, followed by separation and identification of ions of interest using the BigRIPS separator at RIBF-RIKEN facility]; measured reaction residues of 56Ca and 58Ca through identification by the SAMURAI spectrometer, Doppler-corrected Eγ, Iγ, (particle)γ-coin using the DALI2+ array using MINOS liquid hydrogen target. 56,58Ca; deduced energies of the first 2+ levels. Comparison with shell-model calculations with the GXPF1B Hamiltonian in full pf model space, and the state-of-the-art ab initio approaches: VS-IMSRG method, and CC calculations. Systematics of energies of the first 2+ states and S(2n) from experiment (N=22-36) and theory in N=22-54 Ca isotopes.
doi: 10.1016/j.physletb.2023.138025
2023HE06 Phys.Lett. B 841, 137933 (2023) S.Hellgartner, D.Mucher, K.Wimmer, V.Bildstein, J.L.Egido, R.Gernhauser, R.Krucken, A.K.Nowak, M.Zielinska, C.Bauer, M.L.L.Benito, S.Bottoni, H.DeWitte, J.Elseviers, D.Fedorov, F.Flavigny, A.Illana, M.Klintefjord, T.Kroll, R.Lutter, B.Marsh, R.Orlandi, J.Pakarinen, R.Raabe, E.Rapisarda, S.Reichert, P.Reiter, M.Scheck, M.Seidlitz, B.Siebeck, E.Siesling, T.Steinbach, T.Stora, M.Vermeulen, D.Voulot, N.Warr, F.J.C.Wenander Axial and triaxial degrees of freedom in 72Zn NUCLEAR REACTIONS 109Ag(72Zn, 72Zn'), E=2.85 MeV/nucleon, [secondary 72Zn beam from U(p, F), E=1.4 GeV primary beam using UCx target, resonant ionization laser ion Source, and High Resolution mass Separator at the REX-ISOLDE-CERN facility]; measured particle spectra using C-REX array of two annular double-sided silicon strip detectors (DSSSD), Doppler-corrected Eγ, Iγ, (particle)γ-coin, σ(θ, E(level)) using Miniball array of eight six-fold segmented HPGe triple cluster detectors for γ radiation. 72Zn; deduced levels, Jπ, E2 matrix elements, B(E2), spectroscopic quadrupole moments for the first two 2+ states, first excited 0+ and first 4+ states using GOSIA-GOSIA2 analysis in multiple safe Coulomb excitation; calculated potential energy surface (PES) in (β, γ) planes for the g.s., first excited 0+ and 2+ states, and the 2+ state of the γ band in the PNAMP approach. Comparison to shell-model calculations using jj44c and JUN45 effective interactions, and to mean-field generator coordinate method (GCM) calculations. Systematics and theoretical predictions of B(E2) values for 62,64,66,68,70,72,74,76,78,80Zn for the first 2+ and 4+ states.
doi: 10.1016/j.physletb.2023.137933
2023HO11 Phys.Rev. C 108, 054312 (2023) D.S.Hou, A.Takamine, M.Rosenbusch, W.D.Xian, S.Iimura, S.D.Chen, M.Wada, H.Ishiyama, P.Schury, Z.M.Niu, H.Z.Liang, S.X.Yan, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, W.Korten, J.Lee, J.J.Liu, Z.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik First direct mass measurement for neutron-rich 112Mo with the new ZD-MRTOF mass spectrograph system
doi: 10.1103/PhysRevC.108.054312
2023II01 Phys.Rev.Lett. 130, 012501 (2023) S.Iimura, M.Rosenbusch, A.Takamine, Y.Tsunoda, M.Wada, S.Chen, D.S.Hou, W.Xian, H.Ishiyama, S.Yan, P.Schury, H.Crawford, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.Koiwai, T.M.Kojima, H.Koura, J.Lee, J.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, A.Odahara, T.Otsuka, S.Paschalis, M.Petri, N.Shimizu, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik Study of the N=32 and N=34 Shell Gap for Ti and V by the First High-Precision Multireflection Time-of-Flight Mass Measurements at BigRIPS-SLOWRI ATOMIC MASSES 55Sc, 56,58Ti, 56,57,58,59V; measured TOF; deduced masses, nonexistence of the N=34 empirical two-neutron shell gaps for Ti and V, and the enhanced energy gap in Ca. Comparison with new Monte Carlo shell model calculations. RIKEN's Radioactive Isotope Beam Factory (RIBF).
doi: 10.1103/PhysRevLett.130.012501
2023WI05 Phys.Lett. B 847, 138249 (2023) K.Wimmer, P.Ruotsalainen, S.M.Lenzi, A.Poves, T.Huyuk, F.Browne, P.Doornenbal, T.Koiwai, T.Arici, K.Auranen, M.A.Bentley, M.L.Cortes, C.Delafosse, T.Eronen, Z.Ge, T.Grahn, P.T.Greenlees, A.Illana, N.Imai, H.Joukainen, R.Julin, A.Jungclaus, H.Jutila, A.Kankainen, N.Kitamura, B.Longfellow, J.Louko, R.Lozeva, M.Luoma, B.Mauss, D.R.Napoli, M.Niikura, J.Ojala, J.Pakarinen, X.Pereira-Lopez, P.Rahkila, F.Recchia, M.Sandzelius, J.Saren, R.Taniuchi, H.Tann, S.Uthayakumaar, J.Uusitalo, V.Vaquero, R.Wadsworth, G.Zimba, R.Yajzey Isospin symmetry in the T = 1, A=62 triplet NUCLEAR REACTIONS 12C(62Zn, 62Zn'), (62Ga, 62Ga'), (62Ge, 62Ge'), E ∼ 165 MeV/nucleon; 24Mg(40Ca, 2n)62Ge, E=106 MeV; measured reaction products, Eγ, Iγ. 62Zn, 62Ga, 62Ge; deduced γ-ray energies, J, π, level schemes, mirror energy differences as a function of the spin of the state. Comparison with the shell-model calculations with the K3BGR (GXPF1A) effective interactions. The Radioactive Isotope Beam Facility operated by the RIKEN Nishina Center and CNS, University of Tokyo, and the Accelerator Laboratory of the University of Jyvaskyla (JYFL-ACCLAB).
doi: 10.1016/j.physletb.2023.138249
2022EN01 Phys.Rev.Lett. 129, 262501 (2022) M.Enciu, H.N.Liu, A.Obertelli, P.Doornenbal, F.Nowacki, K.Ogata, A.Poves, K.Yoshida, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, P.J.Li, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Extended p3/2 Neutron Orbital and the N=32 Shell Closure in 52Ca NUCLEAR REACTIONS 1H(52Ca, np)51Ca, E=190-270 MeV/nucleon; measured reaction products, Eγ, Iγ. 51,52Ca; deduced γ-ray energies, single-particle neutron configurations, neutron knockout partial σ, J, π, root-mean-square radii of the neutron orbitals. Comparison with modified-shell-model predictions, the distorted-wave impulse approximation reaction framework. The Radioactive Isotope Beam Factory of RIKEN, operated jointly by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.
doi: 10.1103/PhysRevLett.129.262501
2022GE01 Phys.Rev. C 105, 024302 (2022) R.-B.Gerst, A.Blazhev, K.Moschner, P.Doornenbal, A.Obertelli, K.Nomura, J.-P.Ebran, S.Hilaire, J.Libert, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, V.Lapoux, T.Motobayashi, M.Niikura, N.Paul, J.-Y.Rousse, H.Sakurai, C.Santamaria, D.Steppenbeck, R.Taniuchi, T.Uesaka, T.Ando, T.Arici, F.Browne, A.M.Bruce, R.Caroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, F.Flavigny, S.Franchoo, M.Gorska, A.Gottardo, J.Jolie, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, S.Momiyama, S.Nagamine, N.Nakatsuka, C.R.Nita, C.Nobs, L.Olivier, R.Orlandi, Z.Patel, Zs.Podolyak, M.Rudigier, T.Saito, C.Shand, P.-A.Soderstrom, I.Stefan, V.Vaquero, V.Werner, K.Wimmer, Z.Xu γ-ray spectroscopy of low-lying yrast and non-yrast states in neutron-rich 94, 95, 96Kr NUCLEAR REACTIONS 1H(94Kr, p), (95Kr, p)(95Kr, np), (97Rb, 2p), (96Kr, p), (96Kr, np), (97Rb, n2p), E≈180 MeV/nucleon [secondary beams from 9Be(238U, X), E=345 MeV/nucleon primary reaction]; measured reaction products, Eγ, Iγ, Ep, Ip, pp-coin, gγ∓coin, pγ-coin. 94,95,96Kr; deduced levels, J, π, T1/2 of isomer and levels in 95Kr. Comparison to five-dimensional collective Hamiltonian (5DCH) beyond-mean-field model and mapped IBM calculations. Beam delivered via the ZeroDegree spectrometer to the Euroball RIKEN Cluster Array (EURICA) at RIBF-RIKEN.
doi: 10.1103/PhysRevC.105.024302
2022KI08 Phys.Rev. C 105, 034318 (2022) N.Kitamura, K.Wimmer, T.Miyagi, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg In-beam γ-ray spectroscopy of 32Mg via direct reactions NUCLEAR REACTIONS 9Be(33Mg, n), E=99.6 MeV/nucleon; 9Be(34Si, 2p), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced inclusive and exclusive σ, momentum distribution, spectroscopic factors. 32Mg; deduced, levels, J, π, configurations, structure of ground-state rotational band. Comparison to shell-model calculations using SDPF-M, SDPF-U-MIX, EEdf1 and IMSRG interactions. Systematics of low-spin levels for N=20 isotones (32Mg, 34Si, 36S, 38Ar, 40Ca). GRETINA at NSCL-MSU.
doi: 10.1103/PhysRevC.105.034318
2022KO06 Phys.Lett. B 827, 136953 (2022) T.Koiwai, K.Wimmer, P.Doornenbal, A.Obertelli, C.Barbieri, T.Duguet, J.D.Holt, T.Miyagi, P.Navratil, K.Ogata, N.Shimizu, V.Soma, Y.Utsuno, K.Yoshida, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti A first glimpse at the shell structure beyond 54Ca: Spectroscopy of 55K, 55Ca, and 57Ca NUCLEAR REACTIONS 1H(56Ca, 2p)55K, (56Ca, np)55Ca, E=250 MeV/nucleon; 1H(58Sc, 2p)57Ca, E not given, [secondary 56Ca and 58Sc beams from 9Be(70Zn, X), E=345 MeV/nucleon, followed by selection of fragments of interest using the BigRIPS separator through the TOF-ΔE-Bρ method at RIBF-RIKEN facility]; measured reaction products using the by SAMURAI magnetic spectrometer, protons, Eγ, Iγ, (proton)γ-coin using thick liquid hydrogen target system MINOS and DALI22 array of 226 NaI(Tl) scintillator detectors. 55K, 55,57Ca; deduced levels, J, π, level half-lives, exclusive population σ, spectroscopic factors, short-lived state in 57Ca. Comparison with state-of-the-art theoretical calculations using different approaches such as large-scale shell model (LSSM), valence-space in-medium similarity renormalization group (VS-IMSRG), full-space self-consistent Green's function (SCGF) with NNLOsat and NN+3N(lnl) interactions.
doi: 10.1016/j.physletb.2022.136953
2021BR11 Phys.Rev.Lett. 126, 252501 (2021) F.Browne, S.Chen, P.Doornenbal, A.Obertelli, K.Ogata, Y.Utsuno, K.Yoshida, N.L.Achouri, H.Baba, D.Calvet, F.Chateau, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, K.Boretzky, C.Caesar, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, M.Holl, J.Kahlbow, D.Kim, D.Korper, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Miki, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, F.Schindler, H.Simon, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Tornqvist, J.Tscheuschner, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Pairing Forces Govern Population of Doubly Magic 54Ca from Direct Reactions NUCLEAR REACTIONS 1H(55Sc, 2p), E<345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, partial σ. Comparison with distorted-wave impulse approximation estimates multiplied by the shell model spectroscopic factors. RIKEN RadioactiveIsotope Beam Factory.
doi: 10.1103/PhysRevLett.126.252501
2021FE09 Phys.Rev. C 104, 054316 (2021) A.Fernandez, A.Jungclaus, P.Golubev, D.Rudolph, L.G.Sarmiento, A.Gargano, H.Naidja, A.Astier, E.Dupont, A.Gadea, E.Nacher, A.Perea, K.Wimmer, E.Clement, G.Fremont, J.Goupil, C.Houarner, B.Jacquot, A.Korichi, A.Lemasson, H.J.Li, J.Ljungvall, L.Menager, R.M.Perez-Vidal, C.M.Petrache, D.Ralet, J.A.Ropert, F.Saillant, A.Saamark-Roth, G.S.Simpson, C.Spitaels, M.Zielinska, S.Ansari, J.Dudouet, A.Illana, M.Jurado, D.Kocheva, N.Lalovic, Ch.Lorenz, B.Quintana, G.Rainovski, N.Redon, G.Tocabens, D.Barrientos, G.Benzoni, B.Birkenbach, A.J.Boston, H.C.Boston, A.Bracco, M.Ciemala, J.Collado, D.M.Cullen, C.Domingo-Pardo, J.Eberth, V.Gonzalez, L.J.Harkness-Brennan, H.Hess, D.S.Judson, W.Korten, S.Leoni, A.Maj, R.Menegazzo, D.Mengoni, C.Michelagnoli, B.Million, D.R.Napoli, J.Nyberg, Zs.Podolyak, A.Pullia, P.Reiter, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon Reinterpretation of excited states in 212Po: Shell-model multiplets rather than α-cluster states NUCLEAR REACTIONS 12C(208Pb, 212Po)8Be, E=1187 MeV; measured Eγ, Iγ, (particle)γ-coin, (particle)γγ-coin, γγ(linear polarization) using 35 36-fold segmented AGATA crystals arranged in 12 triple clusters for γ detection and double-sided silicon strip detector (DSSSD) for particle detection. 212Po; deduced levels, J, π, multipolarities, configurations, exclusive reaction cross sections. Comparisons with shell-model calculations, with structure of 148Gd, and with earlier experimental results. Discussed previous interpretation as α-cluster states. NUCLEAR STRUCTURE 212Po; calculated levels, J, π, configurations, γ-ray branching ratios, B(M1), B(E2), wave-function decomposition for the yrast and yrare states using shell model with KHPE and H208 interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.054316
2021FE11 Phys.Lett. B 823, 136784 (2021) A.Fernandez, A.Jungclaus, P.Doornenbal, M.A.Bentley, S.M.Lenzi, D.Rudolph, F.Browne, M.L.Cortes, T.Koiwai, R.Taniuchi, V.Vaquero, K.Wimmer, T.Arici, N.Imai, N.Kitamura, B.Longfellow, R.Lozeva, B.Mauss, D.R.Napoli, M.Niikura, X.Pereira-Lopez, S.Pigliapoco, A.Poves, F.Recchia, P.Ruotsalainen, H.Sakurai, S.Uthayakumaar, R.Wadsworth, R.Yajzey Mirror energy differences above the 0f7/2 shell: First γ-ray spectroscopy of the Tz=-2 nucleus 56Zn NUCLEAR REACTIONS 9Be(57Zn, X)56Zn, E=200 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, yrast sequence, mirror energy differences (MED). Comparison with KB3GR shell-model prediction. The Radioactive Isotope Beam Factory at RIKEN.
doi: 10.1016/j.physletb.2021.136784
2021HU28 Few-Body Systems 62, 102 (2021) S.W.Huang, Z.H.Yang, F.M.Marques, N.L.Achouri, D.S.Ahn, T.Aumann, H.Baba, D.Beaumel, M.Bohmer, K.Boretzky, M.Caamano, S.Chen, N.Chiga, M.L.Cortes, D.Cortina, P.Doornenbal, C.A.Douma, F.Dufter, J.Feng, B.Fernandez-Dominguez, Z.Elekes, U.Forsberg, T.Fujino, N.Fukuda, I.Gasparic, Z.Ge, R.Gernhauser, J.M.Gheller, J.Gibelin, A.Gillibert, Z.Halasz, T.Harada, M.N.Harakeh, A.Hirayama, N.Inabe, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, D.Kim, S.Kim, S.Kiyotake, T.Kobayashi, Y.Kondo, P.Koseoglou, Y.Kubota, I.Kuti, C.Lehr, C.Lenain, P.J.Li, Y.Liu, Y.Maeda, S.Masuoka, M.Matsumoto, A.Matta, J.Mayer, H.Miki, M.Miwa, B.Monteagudo, I.Murray, T.Nakamura, A.Obertelli, N.A.Orr, H.Otsu, V.Panin, S.Park, M.Parlog, S.Paschalis, M.Potlog, S.Reichert, A.Revel, D.Rossi, A.Saito, M.Sasano, H.Sato, H.Scheit, F.Schindler, T.Shimada, Y.Shimizu, S.Shimoura, H.Simon, I.Stefan, S.Storck, L.Stuhl, H.Suzuki, D.Symochko, H.Takeda, S.Takeuchi, J.Tanaka, Y.Togano, T.Tomai, H.T.Tornqvist, E.Tronchin, J.Tscheuschner, T.Uesaka, V.Wagner, K.Wimmer, H.Yamada, B.Yang, L.Yang, Y.Yasuda, K.Yoneda, L.Zanetti, J.Zenihiro Experimental Study of 4n by Directly Detecting the Decay Neutrons RADIOACTIVITY 7H(t), 6He(2n) [from 1H(8He, 2p), E=150 MeV/nucleon]; measured decay products, En, In. 4NN; deduced relative-energy spectrum, neutron multiplicity distribution. The radioactive isotope beam factory (RIBF).
doi: 10.1007/s00601-021-01691-4
2021JI11 Phys.Rev. C 104, 024302 (2021) S.Y.Jin, S.T.Wang, J.Lee, A.Corsi, K.Wimmer, F.Browne, S.Chen, M.L.Cortes, P.Doornenbal, T.Koiwai, C.X.Yuan, A.Algora, D.Brugnara, J.Cederkall, J.Gerl, M.Gorska, G.Hafner, K.Kokubun, P.Koseoglou, S.Kubono, P.Li, P.Liang, J.Liu, Z.Liu, T.Lokotko, J.Park, H.Sakurai, L.G.Sarmiento, Z.Y.Sun, R.Taniuchi, W.Xian, I.Zanon Spectroscopy of 98Cd by two-nucleon removal from 100In NUCLEAR REACTIONS C(100In, 98Cd), E AP 175 MeV/nucleon, [secondary 100In beam from 9Be(124Xe, X), E=345 MeV/nucleon, followed by separation of fragments using BigRIPS fragment separator at RIBF-RIKEN facility]; measured reaction residues using the ZeroDegree spectrometer, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors, and CH2 and carbon targets. 98Cd; deduced levels, J, π, yrast cascade, configurations. Comparison with shell-model calculations.Systematics of 5- levels in 90Zr, 92Mo, 94Ru, 96Pd, 98Cd.
doi: 10.1103/PhysRevC.104.024302
2021JU02 Phys.Lett. B 814, 136108 (2021) M.M.Juhasz, Z.Elekes, D.Sohler, Y.Utsuno, K.Yoshida, T.Otsuka, K.Ogata, P.Doornenbal, A.Obertelli, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, N.L.Achouri, O.Aktas, T.Aumann, L.X.Chung, Zs.Dombradi, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, H.N.Liu, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti First spectroscopic study of 51Ar by the (p, 2p) reaction NUCLEAR REACTIONS 1H(51Ar, 2p), (52K, 2p), E ∼ 260 MeV/nucleon; measured reaction products, Eγ, Iγ. 51Ar, 52K; deduced γ-ray energies and intensities, resonance parameters, σ, spectroscopic factors, partial level schemes, J, π. Comparison with shell model calculations, the Radioactive Isotope Beam Factory operated by the RIKEN Nishina Center and the Center for Nuclear Study of the University of Tokyo.
doi: 10.1016/j.physletb.2021.136108
2021JU04 Phys.Rev. C 103, 064308 (2021) M.M.Juhasz, Z.Elekes, D.Sohler, K.Sieja, K.Yoshida, K.Ogata, P.Doornenbal, A.Obertelli, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, N.L.Achouri, O.Aktas, T.Aumann, L.X.Chung, Zs.Dombradi, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, H.N.Liu, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti First spectroscopic study of 63V at the N=40 island of inversion NUCLEAR REACTIONS 1H(63V, p), (64Cr, 2p), E=250 MeV/nucleon, [secondary 63V and 64Cr beams from 9Be(70Zn, X), E=325 MeV/nucleon primary reaction, followed by separation of fragments of interest using BigRIPS spectrometer at RIBF-RIKEN facility, incident on MINOS hydrogen target]; measured beam-like fragments using SAMURAI magnetic spectrometer, Eγ, Iγ, (fragment)γ-coin using DALI2+ array of 226 NaI(Tl) scintillation detectors. 63V; deduced levels, J, π, shell-model calculations using Lenzi-Nowacki-Poves-Sieja interaction; analyzed (p, p') excitation cross sections by the coupled channel formalism assuming pure quadrupole as well as quadrupole + hexadecapole deformations. First study of excited states in the 63V nucleus, with its relevance to 'island of inversion' located below 68Ni.
doi: 10.1103/PhysRevC.103.064308
2021KI09 Phys.Lett. B 822, 136682 (2021) N.Kitamura, K.Wimmer, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg Coexisting normal and intruder configurations in 32Mg NUCLEAR REACTIONS 9Be(33Mg, 32Mg), E=99.6 MeV/nucleon; 9Be(34Si, 32Mg), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ. 32Mg; deduced γ-ray energies, J, π, level scheme, momentum distributions, one-neutron and two-proton knockout σ. Comparison with calculations, available data.
doi: 10.1016/j.physletb.2021.136682
2021LI58 Phys.Rev. C 104, 044331 (2021) B.D.Linh, A.Corsi, A.Gillibert, A.Obertelli, P.Doornenbal, C.Barbieri, S.Chen, L.X.Chung, T.Duguet, M.Gomez-Ramos, J.D.Holt, A.Moro, P.Navratil, K.Ogata, N.T.T.Phuc, N.Shimizu, V.Soma, Y.Utsuno, N.L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, N.T.Khai, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, N.D.Ton, H.Tornqvist, V.Vaquero, V.Wagner, H.Wang, V.Werner, X.Xu, Y.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Investigation of the ground-state spin inversion in the neutron-rich 47, 49Cl isotopes NUCLEAR REACTIONS 1H(50Ar, 2p)49Cl, (50Ar, 2n2p)47Cl; 1H(52K, n3p)49Cl; 1H(48Cl, np)47Cl, [secondary ion beams from 9Be(70Zn, X), E=345 MeV/nucleon primary reaction at RIBF-RIKEN facility, followed by separation of ions by BigRIPS separator using Bπ-ΔE-TOF measurement and MINOS hydrogen target system]; measured reaction products, A/Q versus Z plot, scattered ions of 47Cl and 49Cl using the SAMURAI spectrometer and identified by A/Q and Z, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors. 47,49Cl; deduced levels, J and π for 49Cl, parallel and transverse momentum distributions and L-transfers for 49Cl, inclusive cross sections. Comparison of experimental level structure with shell-model calculations using SDPF-MU interactions, and IMSRG calculation. Comparison of momentum distributions with distorted-wave impulse approximation (DWIA), and transfer to continuum (TC) methods. Comparison of inclusive cross sections with LISE++ theoretical calculations. 49Cl; calculated levels, J, π, T1/2 of levels, B(E2), B(M1) using SDFP-MU shell-model. 45,47,49Cl; calculated levels, J, π, spectroscopic factors using shell-model and ab initio approaches. 41,43,45,47Cl; spin inversion issue not settled. Comparison of experimental and theoretical (from CGF) energy difference between the first 1/2+ and 3/2+ states in 35,36,37,38,39,40,41,43,45,47,49,51,53Cl, 37,38,39,40,41,43,45,47,49,51,53,55K.
doi: 10.1103/PhysRevC.104.044331
2021WI01 Phys.Rev.Lett. 126, 072501 (2021) K.Wimmer, W.Korten, P.Doornenbal, T.Arici, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, J.-P.Delaroche, D.T.Doherty, J.Gerl, R.Gernhauser, M.Girod, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, J.Libert, D.Lubos, T.R.Rodriguez, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska Shape Changes in the Mirror Nuclei 70Kr and 70Se NUCLEAR REACTIONS 197Au, 209Bi(70Kr, 70Kr'), (70Br, 70Br'), (70Se, 70Se'), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 70Kr, 70Br, 70Se; deduced γ-ray energies, σ, nuclear deformation lengths, B(E2) values. Comparison with available data.
doi: 10.1103/PhysRevLett.126.072501
2021WI05 Phys.Rev. C 104, 014304 (2021) K.Wimmer, F.Recchia, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.J.Griffin, S.Nishimura, V.Phong, P.-A.Soderstrom, O.Aktas, M.Al-Aqeel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, I.Kojouharov, N.Kurz, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, H.Schaffner, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt, P.J.Woods Isomeric states in neutron-rich nuclei near N=40 NUCLEAR REACTIONS 9Be(238U, X)58Sc/60V/64V, E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility; measured Eγ, Iγ, γγ-coin, delayed γ spectra, half-lives of nanosecond and microsec isomers using HPGe EUroball RIKEN Cluster Array (EURICA). 58Sc, 60,64V; deduced levels, new isomers, B(E2), B(M2); discussed possible spin-parity assignments for the isomers. Comparison with previous experimental data, and with shell-model predictions.
doi: 10.1103/PhysRevC.104.014304
2020BA27 Phys.Rev.Lett. 124, 222504 (2020) S.Bagchi, R.Kanungo, Y.K.Tanaka, H.Geissel, P.Doornenbal, W.Horiuchi, G.Hagen, T.Suzuki, N.Tsunoda, D.S.Ahn, H.Baba, K.Behr, F.Browne, S.Chen, M.L.Cortes, A.Estrade, N.Fukuda, M.Holl, K.Itahashi, N.Iwasa, G.R.Jansen, W.G.Jiang, S.Kaur, A.O.Macchiavelli, S.Y.Matsumoto, S.S.Momiyama, I.Murray, T.Nakamura, S.J.Novario, H.J.Ong, T.Otsuka, T.Papenbrock, S.Paschalis, A.Prochazka, C.Scheidenberger, P.Schrock, Y.Shimizu, D.Steppenbeck, H.Sakurai, D.Suzuki, H.Suzuki, M.Takechi, H.Takeda, S.Takeuchi, R.Taniuchi, K.Wimmer, K.Yoshida Two-Neutron Halo is Unveiled in 29F NUCLEAR REACTIONS C(29F, X), E=255 MeV/nucleon; C(27F, X), E=250 MeV/nucleon; measured reaction products, En, In. 27,29F; deduced two-neutron Borromean halo. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.124.222504
2020CO01 Phys.Lett. B 800, 135071 (2020) M.L.Cortes, W.Rodriguez, P.Doornenbal, A.Obertelli, J.D.Holt, S.M.Lenzi, J.Menendez, F.Nowacki, K.Ogata, A.Poves, T.R.Rodriguez, A.Schwenk, J.Simonis, S.R.Stroberg, K.Yoshida, L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Shell evolution of N=40 isotones towards 60Ca: First spectroscopy of 62Ti NUCLEAR REACTIONS 1H(63V, 2p)62Ti, E≈200 MeV/nucleon, [secondary 63V beam from 9Be(70Zn, X), E=345 MeV/nucleon primary reaction followed by separation of fragments of interest event-by-event using BigRIPS spectrometer at RIBF-RIKEN]; measured yields of reaction products with Z=22-24 and A/Q=2.60 to 2.85, Eγ, Iγ, γγ-coin using MINOS device, SAMURAI dipole magnet, Time Projection Chamber (TPC), and DALI2+ array of 226 NaI(Tl) detectors. 62Ti; deduced first 2+ and 4+ levels, cross sections. Comparison with theoretical calculations for N=40, Z=20-32 (even) using large-scale shell model (LSSM), symmetry conserving configuration mixing (SCCM) with Gogny D1S effective interaction, and valence-space in-medium similarity renormalization group (VS-IMSRG).
doi: 10.1016/j.physletb.2019.135071
2020CO12 Phys.Rev. C 102, 064320 (2020) M.L.Cortes, W.Rodriguez, P.Doornenbal, A.Obertelli, J.D.Holt, J.Menendez, K.Ogata, A.Schwenk, N.Shimizu, J.Simonis, Y.Utsuno, K.Yoshida, L.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, P.-A.Soderstrom, D.Sohler, S.Takeuchi, H.Toernqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti N = 32 shell closure below calcium: Low-lying structure of 50Ar NUCLEAR REACTIONS 1H(52Ca, 3p), E=266 MeV; 1H(53Ca, n3p), E=258 MeV; 1H(54Ca, 2n3p), E=251 MeV; 1H(55Ca, 3n3p), E=247 MeV; 1H(51K, 2p), E=257 MeV; 1H(52K, n2p), E=250 MeV; 1H(53K, 2n2p), E=245 MeV; 1H(51Ar, np), E=241 MeV; 1H(50Ar, p'), [secondary 52,53,54,55Ca, 51,52,53K, 50,51Ar beams from 9Be(70Zn, X), E=345 MeV/nucleon primary beam, followed by separation of fragments using BigRIPS separator at RIBF-RIKEN facility]; measured reaction products, yields, inclusive σ, Eγ, Iγ, γγ-coin using the MINOS hydrogen target, time projection chamber, SAMURAI dipole magnet, and DALI2+ array of 226 NaI(Tl) detectors. 50Ar; deduced Doppler corrected γ-ray spectra, levels, J, π; calculated levels, J, π, spectroscopic factors and cross sections for levels using the SDPF-MU shell model, and ab initio VS-IMSRG approach.
doi: 10.1103/PhysRevC.102.064320
2020CR04 Phys.Rev. C 102, 024335 (2020) S.Cruz, K.Wimmer, S.S.Bhattacharjee, P.C.Bender, G.Hackman, R.Krucken, F.Ames, C.Andreoiu, R.A.E.Austin, C.S.Bancroft, R.Braid, T.Bruhn, W.N.Catford, A.Cheeseman, A.Chester, D.S.Cross, C.Aa.Diget, T.Drake, A.B.Garnsworthy, R.Kanungo, A.Knapton, W.Korten, K.Kuhn, J.Lassen, R.Laxdal, M.Marchetto, A.Matta, D.Miller, M.Moukaddam, N.A.Orr, N.Sachmpazidi, A.Sanetullaev, C.E.Svensson, N.Terpstra, C.Unsworth, P.J.Voss Single-particle structure in neutron-rich Sr isotopes approaching the N=60 shape transition NUCLEAR REACTIONS 2H(94Sr, t), (95Sr, t), (96Sr, t), E=5.5 MeV/nucleon, [secondary beams of Sr isotopes produced in U(p, X), E=480 MeV primary reaction, followed by separation of Sr fragments using a laser ion source at TRIUMF-ISACII facility]; measured light charged particles using the highly segmented silicon detector array (SHARC), E(t), σ(θ), Eγ, Iγ, (triton)γ- and (triton)γγ-coin using TIGRESS array of eight clover detectors. 93,94,95Sr; deduced levels, J, π, L-transfers by DWBA analysis, spectroscopic factors, configurations. Comparison with shell-model calculations. Systematics of the excited 0+ states in 88,90,92,94,96,98,100Sr.
doi: 10.1103/PhysRevC.102.024335
2020FR06 Phys.Rev.Lett. 125, 012501 (2020) A.Frotscher, M.Gomez-Ramos, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, N.Shimizu, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu Sequential Nature of (p, 3p) Two-Proton Knockout from Neutron-Rich Nuclei NUCLEAR REACTIONS 1H(101Sr, 3p), (75Zn, 3p), (81Ga, 3p)79Cu, (81Ga, 2p)80Zn, E ∼ 205 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ.
doi: 10.1103/PhysRevLett.125.012501
2020GI02 Acta Phys.Pol. B51, 577 (2020) J.Giovinazzo, T.Goigoux, B.Blank, P.Ascher, M.Gerbaux, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, N.Fukuda, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, D.S.Ahn, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.De Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown Two-proton radioactivity: The interesting case of 67Kr and Further Studies RADIOACTIVITY 67Kr(2p), (β+), 57Zn, 59,61Ge, 63,65Se, 68,69Kr(EC), (β+), (β+p), 55,56Cu, 60Ga, 63Ge, 64,65As, 67Kr(EC), (β+)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), Eγ, half-lives of decays of isotopes from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN; deduced %2p for the decay of 67Kr, and %β+p for 59,61Ge, 63Se, 68,69Kr. Comparison with previous experimental results.
doi: 10.5506/APhysPolB.51.577
2020JO06 Phys.Rev. C 102, 024321 (2020) S.Jongile, A.Lemasson, O.Sorlin, M.Wiedeking, P.Papka, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, A.Mutschler, F.Nowacki, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Structure of 33Si and the magicity of the N=20 gap at Z=14 NUCLEAR REACTIONS 9Be(34Si, 33Si), E=98.5 MeV/nucleon, [34Si secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation of fragments using the A1900 fragment separator at the NSCL-MSU facility]; measured reaction residues using the S800 spectrograph, Eγ, Iγ, (33Si)γ-coin using the GRETINA array for γ detection, momentum distributions. 33Si; deduced levels, J, π, L-transfers in one-nucleon knockout reactions, population fractions, partial cross sections of final states, spectroscopic factors. Comparison with shell-model calculations with SDPF-U-MIX interaction, and with previous experimental results.
doi: 10.1103/PhysRevC.102.024321
2020KI19 Phys.Rev. C 102, 054318 (2020) N.Kitamura, K.Wimmer, N.Shimizu, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, J.A.Tostevin, N.Tsunoda, Y.Utsuno, D.Weisshaar, A.Westerberg Structure of 30Mg explored via in-beam γ-ray spectroscopy NUCLEAR REACTIONS 9Be(31Mg, 30Mg), E=97.9 MeV; 9Be(32Mg, 30Mg), E=99.1 MeV; 9Be(34Si, 30Mg), E=94.8 MeV; 9Be(35P, 30Mg), E=102.3 MeV, [secondary beams from 9Be(48Ca, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator for beam purification at NSCL-MSU facility]; measured reaction products using S800 spectrometer, Eγ, Iγ, γγ-coin, Doppler-corrected add-back γ-ray spectra using the Gamma-Ray Energy Tracking In-beam Nuclear Array (GRETINA) of seven modules, each module housing four HPGe crystals. 30Mg; deduced levels, J, π, population σ of levels, spectroscopic factors, parallel momentum distributions; calculated T-plots in (Q0, Q2) plane. Comparison with shell-model calculations using the SDPF-M and EEdf1 interactions for all states. Systematics of low-energy levels in 30Mg, 32Si, 34S, 36Ar, 38Ca. Relevance to "island of inversion".
doi: 10.1103/PhysRevC.102.054318
2020LI15 Phys.Rev.Lett. 124, 222501 (2020) C.Lizarazo, P.-A.Soderstrom, V.Werner, N.Pietralla, P.M.Walker, G.X.Dong, F.R.Xu, T.R.Rodriguez, F.Browne, P.Doornenbal, S.Nishimura, CC.Nija, A.Obertelli, T.Ando, T.Arici, G.Authelet, H.Baba, A.Blazhev, A.M.Bruce, D.Calvet, R.J.Caroll, F.Chateau, S.Chen, L.X.Chung, A.Corsi, M.L.Cortes, A.Delbart, M.Dewald, B.Ding, F.Flavigny, S.Franchoo, J.Gerl, J.-M.Gheller, A.Giganon, A.Gillibert, M.Gorska, A.Gottardo, I.Kojouharov, N.Kurz, V.Lapoux, J.Lee, M.Lettmann, B.D.Linh, J.J.Liu, Z.Liu, S.Momiyama, K.Moschner, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, C.Nobs, L.Olivier, Z.Patel, N.Paul, Zs.Podolyak, J.-Y.Rousse, M.Rudigier, T.Y.Saito, H.Sakurai, C.Santamaria, H.Schaffner, C.Shand, I.Stefan, D.Steppenbeck, R.Taniuchi, T.Uesaka, V.Vaquero, K.Wimmer, Z.Xu Metastable States of 92, 94Se: Identification of an Oblate K Isomer of 94Se and the Ground-State Shape Transition between N = 58 and 60 NUCLEAR REACTIONS 9Be(238U, X)92Se/94Se, 1H(92Se, 92Se'), (94Se, 94Se'), E<345 MeV/nucleon; measured reaction products. 92,94Se; deduced γ-ray energies, J, π, isomeric state T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.124.222501
2020ME06 Phys.Rev. C 101, 052801 (2020) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Nuclear mass measurements map the structure of atomic nuclei and accreting neutron stars ATOMIC MASSES 48,49Ar, 52,53,54,55,56,57Sc, 56,57,58,59Ti, 57,58,59,60,61,62V, 64,65Cr, 67,68Mn, 67,68,69,70Fe; measured time of flight, ΔE, Bπ, and mass excess using the A1900 fragment separator and the S800 spectrograph for particle identification at the NSCL-MSU facility; deduced S(2n), and Dn(Z, A)=S(n)(Z, A+1)-S(n)(Z, A), related to pairing gap. Comparison with available evaluated data in AME2016, and with shell model calculations using GX1A Hamiltonian for Sc isotopes. Discussion of upper-Z limit for N=34 subshell closure and lower-Z limit for N=40 subshell, and impact on electron-capture cooling in neutron star crusts. Isotopes produced in 9Be(82Se, X), E=140 MeV/nucleon reaction.
doi: 10.1103/PhysRevC.101.052801
2020MO32 Phys.Rev. C 102, 034325 (2020) S.Momiyama, K.Wimmer, D.Bazin, J.Belarge, P.Bender, B.Elman, A.Gade, K.W.Kemper, N.Kitamura, B.Longfellow, E.Lunderberg, M.Niikura, S.Ota, P.Schrock, J.A.Tostevin, D.Weisshaar Shell structure of 43S and collapse of the N=28 shell closure NUCLEAR REACTIONS 9Be(44S, 43S), E=93.7 MeV/nucleon, [44S secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation and identification of 44S ions by A1900 separator and S800 spectrograph at the NSCL-MSU cyclotron facility]; measured reaction products, Eγ, Iγ, Doppler-corrected γ-ray spectrum using GRETINA array, delayed γ rays from the decay of isomeric states using IsoTagger consisting of 32 CsI(Na) detectors, (43S)γ- and γγ-coin, parallel momentum distributions. 43S; deduced levels, J, π, inclusive and exclusive cross sections for bound states, spectroscopic factors. Comparison with shell-model calculations using SDPF-U and SDPF-MU effective interactions. 44S; deduced intruder configuration in the ground state and N=28 shell quenching from the removal of a 2p3/2 neutron.
doi: 10.1103/PhysRevC.102.034325
2020SU06 Phys.Lett. B 802, 135215 (2020) Y.L.Sun, A.Obertelli, P.Doornenbal, C.Barbieri, Y.Chazono, T.Duguet, H.N.Liu, P.Navratil, F.Nowacki, K.Ogata, T.Otsuka, F.Raimondi, V.Soma, Y.Utsuno, K.Yoshida, N.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Restoration of the natural E(1/2+1)-E(3/2+1) energy splitting in odd-K isotopes towards N = 40 NUCLEAR REACTIONS 52,54Ca(p, 2p)51K/53K, E ∼ 250 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, partial σ. Comparison with ab initio and shell-model calculations with improved phenomenological effective interactions.
doi: 10.1016/j.physletb.2020.135215
2020WI05 Eur.Phys.J. A 56, 159 (2020) K.Wimmer, T.Arici, W.Korten, P.Doornenbal, J.-P.Delaroche, M.Girod, J.Libert, T.R.Rodriguez, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, T.Goigoux, D.Jenkins, G.Kiss, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, S.Nishimura, A.Obertelli, D.Lubos, V.H.Phong, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, V.Vaquero, R.Wadsworth, J.Wu, M.Zielinska Shape coexistence revealed in the N = Z isotope 72Kr through inelastic scattering
doi: 10.1140/epja/s10050-020-00171-3
2019CH43 Phys.Rev.Lett. 123, 142501 (2019) S.Chen, J.Lee, P.Doornenbal, A.Obertelli, C.Barbieri, Y.Chazono, P.Navratil, K.Ogata, T.Otsuka, F.Raimondi, V.Soma, Y.Utsuno, K.Yoshida, H.Baba, F.Browne, D.Calvet, F.Chateau, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, J.Kahlbow, T.Kobayashi, Y.Kubota, V.Lapoux, H.N.Liu, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, N.Achouri, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti Quasifree Neutron Knockout from 54Ca Corroborates Arising N=34 Neutron Magic Number NUCLEAR REACTIONS 1H(54Ca, X)53Ca, E=216 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, exclusive σ, inclusive parallel momentum distributions. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.123.142501
2019CR02 Phys.Rev.Lett. 122, 052501 (2019) H.L.Crawford, P.Fallon, A.O.Macchiavelli, P.Doornenbal, N.Aoi, F.Browne, C.M.Campbell, S.Chen, R.M.Clark, M.L.Cortes, M.Cromaz, E.Ideguchi, M.D.Jones, R.Kanungo, M.MacCormick, S.Momiyama, I.Murray, M.Niikura, S.Paschalis, M.Petri, H.Sakurai, M.Salathe, P.Schrock, D.Steppenbeck, S.Takeuchi, Y.K.Tanaka, R.Taniuchi, H.Wang, K.Wimmer First Spectroscopy of the Near Drip-line Nucleus 40Mg NUCLEAR REACTIONS C(41Ar, X)40Mg, (40Ar, X)38Mg/36Mg, E<345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with shell-model calculations.
doi: 10.1103/PhysRevLett.122.052501
2019CR06 Phys.Rev. C 100, 054321 (2019) S.Cruz, K.Wimmer, P.C.Bender, R.Krucken, G.Hackman, F.Ames, C.Andreoiu, R.A.E.Austin, C.S.Bancroft, R.Braid, T.Bruhn, W.N.Catford, A.Cheeseman, A.Chester, D.S.Cross, C.Aa.Diget, T.Drake, A.B.Garnsworthy, R.Kanungo, A.Knapton, W.Korten, K.Kuhn, J.Lassen, R.Laxdal, M.Marchetto, A.Matta, D.Miller, M.Moukaddam, N.A.Orr, N.Sachmpazidi, A.Sanetullaev, C.E.Svensson, N.Terpstra, C.Unsworth, P.J.Voss Single-particle structure of neutron-rich Sr isotopes via 2H(94, 95, 96Sr, p) reactions NUCLEAR REACTIONS 2H(94Sr, p), (95Sr, p), (96Sr, p), E=5.5 MeV/nucleon, [secondary 94,95,96Sr beams from U(p, F), E=480 MeV primary reaction and using TRIUMF RILIS for extraction of fragments]; measured recoiling light charged particles, Eγ, Iγ, angular distribution of charged particles using SHARC array of quasi-4π silicon strip detectors for particles and TIGRESS array for γ rays at TRIUMF-ISACII facility. 95,96,97Sr; deduced levels, J, L-transfers and spectroscopic factors using distorted wave Born approximation (DWBA) and adiabatic distorted wave approximation (ADWA) analyses. Comparison with shell-model calculations using realistic effective interactions.
doi: 10.1103/PhysRevC.100.054321
2019FL06 Phys.Rev. C 99, 054332 (2019) F.Flavigny, J.Elseviers, A.N.Andreyev, C.Bauer, V.Bildstein, A.Blazhev, B.A.Brown, H.De Witte, J.Diriken, V.N.Fedosseev, S.Franchoo, R.Gernhauser, M.Huyse, S.Ilieva, S.Klupp, Th.Kroll, R.Lutter, B.A.Marsh, D.Mucher, K.Nowak, T.Otsuka, J.Pakarinen, N.Patronis, R.Raabe, F.Recchia, P.Reiter, T.Roger, S.Sambi, M.Seidlitz, M.D.Seliverstov, B.Siebeck, Y.Tsunoda, P.Van Duppen, M.Vermeulen, M.Von Schmid, D.Voulot, N.Warr, F.Wenander, K.Wimmer Microscopic structure of coexisting 0+ states in 68Ni probed via two-neutron transfer NUCLEAR REACTIONS 3H(66Ni, p)68Ni, E=2.6 MeV/nucleon; measured Ep, Ip, Eγ, Iγ, pγ-coin, differential σ(θ) distributions of transfer to ground state, first excited 0+ and first 2+ states in 68Ni using the T-REX silicon particle detector array for light charged recoil detection and the Miniball detector array for γ detection at ISOLDE-CERN. 68Ni; deduced levels, L-transfer, neutron and proton average orbital occupancies of ground state, excited 0+ state, and the first 2+ state. DWBA analysis of angular distributions using the FRESCO code. Comparison with shell model calculations with the A3DA-m and the JJ44pna interaction. Discussed feeding of the 0+ states by the transfer of neutrons mainly filling the N=40 subshell closure for the ground state.
doi: 10.1103/PhysRevC.99.054332
2019GO34 Acta Phys.Pol. B50, 399 (2019) T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.De France, S.Go, B.A.Brown 67Kr Two-proton Radioactivity: Results and Theoretical Interpretations RADIOACTIVITY 67Kr(2p)[from 9Be(78Kr, X), E=350 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero Degree Spectrometer at RIBF-RIKEN]; measured E(p), I(p), half-life of decay of 67Kr from time distribution of (fragment)(decay events) correlations using EURICA-WAS3ABi setup at RIKEN. 67Kr; deduced %2p, Nilsson configurations. Comparison with theoretical calculations. 59Ge, 63Se, 68Kr; isotopes observed in A/Q versus Z identification plot.
doi: 10.5506/aphyspolb.50.399
2019LI10 Phys.Rev.Lett. 122, 072502 (2019) H.N.Liu, A.Obertelli, P.Doornenbal, C.A.Bertulani, G.Hagen, J.D.Holt, G.R.Jansen, T.D.Morris, A.Schwenk, R.Stroberg, N.Achouri, H.Baba, F.Browne, D.Calvet, F.Chateau, S.Chen, N.Chiga, A.Corsi, M.L.Cortes, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, C.Hilaire, T.Isobe, T.Kobayashi, Y.Kubota, V.Lapoux, T.Motobayashi, I.Murray, H.Otsu, V.Panin, N.Paul, W.Rodriguez, H.Sakurai, M.Sasano, D.Steppenbeck, L.Stuhl, Y.L.Sun, Y.Togano, T.Uesaka, K.Wimmer, K.Yoneda, O.Aktas, T.Aumann, L.X.Chung, F.Flavigny, S.Franchoo, I.Gasparic, R.-B.Gerst, J.Gibelin, K.I.Hahn, D.Kim, T.Koiwai, Y.Kondo, P.Koseoglou, J.Lee, C.Lehr, B.D.Linh, T.Lokotko, M.MacCormick, K.Moschner, T.Nakamura, S.Y.Park, D.Rossi, E.Sahin, D.Sohler, P.-A.Soderstrom, S.Takeuchi, H.Tornqvist, V.Vaquero, V.Wagner, S.Wang, V.Werner, X.Xu, H.Yamada, D.Yan, Z.Yang, M.Yasuda, L.Zanetti How Robust is the N=34 Subshell Closure? First Spectroscopy of 52Ar NUCLEAR REACTIONS 1H(53K, 2p), E=245 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.122.072502
2019NA23 Phys.Rev. C 100, 044605 (2019) K.Nakano, Y.Watanabe, S.Kawase, H.Wang, H.Otsu, H.Sakurai, S.Takeuchi, Y.Togano, T.Nakamura, Y.Maeda, D.S.Ahn, M.Aikawa, S.Araki, S.Chen, N.Chiga, P.Doornenbal, N.Fukuda, T.Ichihara, T.Isobe, S.Kawakami, T.Kin, Y.Kondo, S.Koyama, T.Kubo, S.Kubono, M.Uesaka, A.Makinaga, M.Matsushita, T.Matsuzaki, S.Michimasa, S.Momiyama, S.Nagamine, M.Niikura, T.Ozaki, A.Saito, T.Saito, Y.Shiga, M.Shikata, Y.Shimizu, S.Shimoura, T.Sumikama, P.-A.Soderstrom, H.Suzuki, H.Takeda, R.Taniuchi, J.Tsubota, Y.Watanabe, K.Wimmer, T.Yamamoto, K.Yoshida Isotope production in proton-, deuteron-, and carbon-induced reactions on 93Nb at 113 MeV/nucleon NUCLEAR REACTIONS 1,2H, 12C(93Nb, X)90Mo/91Mo/92Mo/87Nb/88Nb/89Nb/90Nb/91Nb/92Nb/85Zr/86Zr/87Zr/88Zr/89Zr/90Zr/91Zr/92Zr/82Y/83Y/84Y/85Y/86Y/87Y/88Y/80Sr/81Sr/82Sr/83Sr/84Sr/85Sr/78Rb/79Rb/80Rb/81Rb/82Rb/83Rb, E=113 MeV/nucleon; measured fragment yields, production σ using CH2, CD2 and C targets, BigRIPS beam separator and the ZeroDegree spectrometer (ZDS) at RIBF-RIKEN facility. Comparison with predictions of INCL-4.6, JQMD, and JQMD-2.0 models, with previous experimental data for 93Zr target, and with the nuclear data libraries JENDL-4.0/HE, TENDL-2017, and ENDF/B-VIII.0
doi: 10.1103/PhysRevC.100.044605
2019PA25 Phys.Rev.Lett. 122, 162503 (2019) N.Paul, A.Obertelli, C.A.Bertulani, A.Corsi, P.Doornenbal, J.L.Rodriguez-Sanchez, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, M.Gorska, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, S.Nishimura, C.R.Nobs, L.Olivier, S.Ota, Z.Patel, Zs.Podolyak, M.Rudigier, E.Sahin, T.Y.Saito, C.Shand, P.-A.Soderstrom, I.G.Stefan, T.Sumikama, D.Suzuki, R.Orlandi, V.Vaquero, Zs.Vajta, V.Werner, K.Wimmer, J.Wu, Z.Xu Prominence of Pairing in Inclusive (p, 2p) and (p, pn) Cross Sections from Neutron-Rich Nuclei NUCLEAR REACTIONS 1H(96Kr, np)95Kr, E ∼ 250 MeV/nucleon; analyzed available data for fifty-five inclusive single nucleon-removal σ; deduced systematically higher cross sections are found for proton removal from nuclei with an even number of protons as compared to odd-proton number projectiles for a given neutron separation energy.
doi: 10.1103/PhysRevLett.122.162503
2019RE11 Acta Phys.Pol. B50, 669 (2019) F.Recchia, K.Wimmer, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.Griffin, S.Nishimura, F.Nowacki, V.Phong, A.Poves, P.-A.Soderstrom, O.Aktas, M.Alaqueel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt Isomer Spectroscopy in Odd-Even Ti Isotopes: Approaching N=40 NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin. 55,57,59Ti; deduced levels, J, π. 59Ti; deduced T1/2 for isomeric state. Comparison with large-scale shell model calculations. BigRIPS and ZeroDegree spectrometers, AIDA and EURICA arrays at RIBF-RIKEN facility.
doi: 10.5506/aphyspolb.50.669
2019VA03 Phys.Rev. C 99, 034306 (2019) V.Vaquero, A.Jungclaus, P.Doornenbal, K.Wimmer, A.M.Moro, K.Ogata, T.Furumoto, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Y.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya In-beam γ-ray spectroscopy of 136Te at relativistic energies NUCLEAR REACTIONS C, 197Au(136Te, 136Te'), C(137Te, 136Te), E=139, 140 MeV/nucleon, [secondary 136,137Te beam from 9Be(238U, F), E=345 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, σ(θ), exclusive σ following Coulomb excitation to individual excited states using the DALI2 spectrometer array for γ detection, and the BigRIPS and ZeroDegree spectrometers for beam and product identification, respectively at RIBF-RIKEN facility. 136Te; deduced levels, J, π, B(E2) values. Comparison with theoretical predictions, and with previous experimental results. Systematics of B(E2) values for the first 2+ states in 132,134,136Te.
doi: 10.1103/PhysRevC.99.034306
2019VA07 Phys.Lett. B 795, 356 (2019) V.Vaquero, A.Jungclaus, J.L.Rodriguez-Sanchez, J.A.Tostevin, P.Doornenbal, K.Wimmer, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, A.Gargano, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya Inclusive cross sections for one- and multi-nucleon removal from Sn, Sb, and Te projectiles beyond the N=82 shell closure NUCLEAR REACTIONS C(136Te, n), (136Te, 2n), (136Te, 3n), (136Te, 4n), (136Te, 5n), (136Te, 6n), (134Sn, p), E=138-145 MeV/nucleon; measured reaction products; deduced σ. Comparison with two different versions of the Liege intranuclear cascade model (INCL).
doi: 10.1016/j.physletb.2019.06.035
2019WI04 Phys.Lett. B 792, 16 (2019) K.Wimmer, F.Recchia, S.M.Lenzi, S.Riccetto, T.Davinson, A.Estrade, C.J.Griffin, S.Nishimura, F.Nowacki, V.Phong, A.Poves, P.-A.Soderstrom, O.Aktas, M.Al-Aqeel, T.Ando, H.Baba, S.Bae, S.Choi, P.Doornenbal, J.Ha, L.Harkness-Brennan, T.Isobe, P.R.John, D.Kahl, G.Kiss, I.Kojouharov, N.Kurz, M.Labiche, K.Matsui, S.Momiyama, D.R.Napoli, M.Niikura, C.Nita, Y.Saito, H.Sakurai, H.Schaffner, P.Schrock, C.Stahl, T.Sumikama, V.Werner, W.Witt, P.J.Woods First spectroscopy of 61Ti and the transition to the Island of Inversion at N=40 NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured yields of reaction products with Z=21-26 and A/Q=2.55 to 2.82, Eγ, Iγ, γγ-coin, half-lives of isomers by γ(t) method using BigRIPS and ZeroDegree spectrometers, AIDA and EURICA arrays at RIBF-RIKEN facility. 59,61Ti; deduced levels, isomers, J, π, multipolarity, B(E2), B(M2), evidence for island of inversion at N=40. 59Ti; deduced only one β-decaying state from half-life measurement. Comparison with large-scale shell model calculations. NUCLEAR STRUCTURE 57,59,61Ti; calculated levels, J, π using large-scale shell model with LNPS and LNPS-fp interactions. Comparison with experimental values.
doi: 10.1016/j.physletb.2019.03.018
2019WI08 Phys.Lett. B 795, 266 (2019) K.Wimmer, P.Doornenbal, W.Korten, P.Aguilera, A.Algora, T.Ando, T.Arici, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.G.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska Discovery of 68Br in secondary reactions of radioactive beams NUCLEAR REACTIONS 9Be(70Kr, X), (71Kr, X), (72Kr, X), (70Br, X)68Br, E=170 MeV/nucleon; measured reaction products; deduced yields, σ, T1/2.
doi: 10.1016/j.physletb.2019.06.014
2018CO06 Phys.Rev. C 97, 044315 (2018) M.L.Cortes, P.Doornenbal, M.Dupuis, S.M.Lenzi, F.Nowacki, A.Obertelli, S.Peru, N.Pietralla, V.Werner, K.Wimmer, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Gillibert, T.Isobe, V.Lapoux, C.Louchart, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, F.Browne, L.X.Chung, Zs.Dombradi, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, R.Lozeva, K.Matsui, T.Miyazaki, S.Nishimura, L.Olivier, S.Ota, Z.Patel, E.Sahin, C.M.Shand, P-A.Soderstrom, I.Stefan, D.Steppenbeck, T.Sumikama, D.Suzuki, Zs.Vajta, J.Wu, Z.Xu Inelastic scattering of neutron-rich Ni and Zn isotopes off a proton target NUCLEAR REACTIONS 1H(72Ni, p'), E=271.0 MeV/nucleon; 1H(74Ni, p'), E=263.5 MeV/nucleon; 1H(76Zn, p'), E=275.5 MeV/nucleon; 1H(80Zn, p'), E=263.4 MeV/nucleon, [secondary 72,74Ni, 76,80Zn beams from 9Be(238U, X), E=345 MeV/nucleon primary reaction, followed by separation of fragments using BigRIPS separator]; measured reaction products, yields, Eγ, Iγ, particles, (particle)γ-coin, angular integrated proton inelastic scattering σ using MINOS target device, DALI2 array for γ detection and ZeroDegree spectrometer for particles at RIBF-RIKEN facility. 72,74Ni, 76,80Zn; deduced first 2+ and 4+ levels, and second 2+ levels in 72,74Ni; analyzed B(E2) values and matrix elements for the first 2+ states. Comparison with shell-model calculations, and with previous measurements. Systematics of β2 deformation parameters in 62Zn to 80Zn, and 54Ni to 74Ni isotopes. Comparison of experimental σ for inelastic scattering with calculations using Jeukenne-Lejeune-Mahaux (JLM) folding model with quasiparticle random-phase approximation (QRPA). 58Ni(p, p), E=295, 250, 333 MeV; 58Ni(p, p'), E=178 MeV; analyzed σ(θ) data using the JLM reaction model and KD02 potential.
doi: 10.1103/PhysRevC.97.044315
2018CR06 Phys.Lett. B 786, 94 (2018) S.Cruz, P.C.Bender, R.Krucken, K.Wimmer, F.Ames, C.Andreoiu, R.A.E.Austin, C.S.Bancroft, R.Braid, T.Bruhn, W.N.Catford, A.Cheeseman, A.Chester, D.S.Cross, C.Aa.Diget, T.Drake, A.B.Garnsworthy, G.Hackman, R.Kanungo, A.Knapton, W.Korten, K.Kuhn, J.Lassen, R.Laxdal, M.Marchetto, A.Matta, D.Miller, M.Moukaddam, N.A.Orr, N.Sachmpazidi, A.Sanetullaev, C.E.Svensson, N.Terpstra, C.Unsworth, P.J.Voss Shape coexistence and mixing of low-lying 0+ states in 96Sr NUCLEAR REACTIONS 2H(95Sr, p), E=5.5 MeV/nucleon; measured reaction products, Eγ, Iγ. 96Sr; deduced γ-ray energies, σ(θ), spectroscopic factors.
doi: 10.1016/j.physletb.2018.09.031
2018MO30 Phys.Lett. B 787, 198 (2018) C.Morse, H.Iwasaki, A.Lemasson, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 2+1 state in 74Rb and isospin properties of quadrupole transition strengths at N=Z NUCLEAR REACTIONS 9Be(74Kr, 74Rb), E=93 MeV/nucleon; measured reaction products, Eγ, Iγ. 74Rb; deduced γ-ray energies, J, π, level lifetimes, B(E2). Recoil Distance Doppler Shift (RDDS) technique.
doi: 10.1016/j.physletb.2018.10.064
2018ST18 Phys.Rev. C 98, 064326 (2018) M.Stryjczyk, Y.Tsunoda, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, T.Otsuka, D.Pauwels, L.Popescu, D.Radulov, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, P.Van Duppen, M.Venhart, W.B.Walters, K.Wimmer β-decay study of the 66Mn - 66Fe - 66Co - 66Ni decay chain RADIOACTIVITY 66Mn(β-), (β-n)[from U(p, F), Mn beam purified by laser resonance ionization and mass separation]; 66Fe(β-)[from 66Mn β- decay]; 66Co(β-)[from 66Fe β- decay]; measured Eβ, Iβ, Eγ, Iγ, half-lives of β-decaying 66Mn, 66Fe, 66Co, γγ- and βγγ-coin, half-lives of isomers in 65Fe, 66Co by γ(t) using plastic scintillators for β detection and MiniBall cluster Ge detectors for γ detection at ISOLDE-CERN. 65,66Fe, 66Co, 66Ni; deduced levels, isomers, J, π, β feedings, logft, B(GT) values, %β-n value for the decay of 66Mn. Comparison with Monte Carlo shell model calculations. NUCLEAR STRUCTURE 66Mn, 66Fe, 66Co, 66Ni; calculated average proton and neutron occupation numbers for selected low-lying positive-parity states, potential energy surface (PES) in (Q0, Q2) plane, levels, J, π, B(M1), B(E2) using Monte Carlo Shell model with the A3DA interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.064326
2018WI02 J.Phys.(London) G45, 033002 (2018) Nucleon transfer reactions with radioactive beams
doi: 10.1088/1361-6471/aaa2bf
2018WI08 Phys.Lett. B 785, 441 (2018) K.Wimmer, W.Korten, T.Arici, P.Doornenbal, P.Aguilera, A.Algora, T.Ando, H.Baba, B.Blank, A.Boso, S.Chen, A.Corsi, P.Davies, G.de Angelis, G.de France, D.T.Doherty, J.Gerl, R.Gernhauser, D.Jenkins, S.Koyama, T.Motobayashi, S.Nagamine, M.Niikura, A.Obertelli, D.Lubos, B.Rubio, E.Sahin, T.Y.Saito, H.Sakurai, L.Sinclair, D.Steppenbeck, R.Taniuchi, R.Wadsworth, M.Zielinska Shape coexistence and isospin symmetry in A=70 nuclei: Spectroscopy of the Tz = 1 nucleus 70Kr NUCLEAR REACTIONS 9Be(78Kr, X)70Kr/71Kr/72Kr, 9Be(71Br, X)70Se, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level scheme, J, π, γ-ray energies and intensities, σ, shape coexistence. Comparison with available data.
doi: 10.1016/j.physletb.2018.07.067
2018WI10 Phys.Rev. C 98, 064313 (2018) O.Wieland, A.Bracco, F.Camera, R.Avigo, H.Baba, N.Nakatsuka, T.Aumann, S.R.Banerjee, G.Benzoni, K.Boretzky, C.Caesar, S.Ceruti, S.Chen, F.C.L.Crespi, V.Derya, P.Doornenbal, N.Fukuda, A.Giaz, K.Ieki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, M.Nishimura, H.Otsu, T.Ozaki, A.T.Saito, H.Sakurai, H.Scheit, F.Schindler, P.Schrock, Y.Shiga, M.Shikata, S.Shimoura, D.Steppenbeck, T.Sumikama, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tscheuschner, J.Tsubota, H.Wang, K.Wimmer, K.Yoneda Low-lying dipole response in the unstable 70Ni nucleus NUCLEAR REACTIONS 197Au(70Ni, 70Ni'), E=260 MeV/nucleon, [secondary 70Ni beam from 9Be(238U, F), E=345 MeV/nucleon primary reaction and using the BigRIPS magnetic separator for 70Ni ions]; measured reaction products, Eγ, Iγ, Coulomb excitation yields using HECTOR+ and DALI2 arrays at RIBF-RIKEN. 70Ni; deduced 1- pygmy dipole resonances (PDR), B(E1) strengths for 1- states, energy weighted sum rule (EWSR), and B(E2) for the first 2+ state. Comparison with data for 68Ni, and with theoretical predictions.
doi: 10.1103/PhysRevC.98.064313
2017CH18 Phys.Rev. C 95, 041302 (2017) S.Chen, P.Doornenbal, A.Obertelli, T.R.Rodriguez, G.Authelet, H.Baba, D.Calvet, F.Chateau, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, V.Lapoux, T.Motobayashi, M.Niikura, N.Paul, J.-Y.Rousse, H.Sakurai, C.Santamaria, D.Steppenbeck, R.Taniuchi, T.Uesaka, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Caroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, F.Flavigny, S.Franchoo, M.Gorska, A.Gottardo, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, S.Momiyama, K.Moschner, S.Nagamine, N.Nakatsuka, C.R.Nita, C.Nobs, L.Olivier, R.Orlandi, Z.Patel, Zs.Podolyak, M.Rudigier, T.Saito, C.Shand, P.-A.Soderstrom, I.Stefan, V.Vaquero, V.Werner, K.Wimmer, Z.Xu Low-lying structure and shape evolution in neutron-rich Se isotopes NUCLEAR REACTIONS 1H(89Se, np), (91Br, 2p), (94Br, n2p), (95Br, 2p), E=270 MeV/nucleon, [secondary 89Se, 91,94,95Br beams from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS fragment separator at RIBF-RIKEN facility]; measured particle spectra using time projection chamber (TPC) of the MINOS ensemble, and Doppler-corrected gamma spectra, Eγ, Iγ, γγ-coin using DALI2 array of 186 NaI(Tl) detectors. 88,90,92,94Se; deduced levels, J, π, triaxiality; calculated potential energy surfaces for g.s., first and second 2+ states. Comparison with self-consistent beyond-mean-field calculations using Gogny D1S interaction. Systematics of first 2+ states and E(first 4+)/E(first 2+) for N=50-60 even-A Zr, Sr, Kr, and Se isotopes.
doi: 10.1103/PhysRevC.95.041302
2017CH28 Phys.Rev. C 96, 011302 (2017) A.Chester, G.C.Ball, R.Caballero-Folch, D.S.Cross, S.Cruz, T.Domingo, T.E.Drake, A.B.Garnsworthy, G.Hackman, S.Hallam, J.Henderson, R.Henderson, W.Korten, R.Krucken, M.Moukaddam, B.Olaizola, P.Ruotsalainen, J.Smallcombe, K.Starosta, C.E.Svensson, J.Williams, K.Wimmer Recoil distance method lifetime measurement of the 2+1 and implications for the structure of neutron-rich Sr isotopes NUCLEAR REACTIONS 27Al(94Sr, 94Sr'), (94Sr, 27Al')E=280 MeV; measured Eγ, Iγ, (27Al)γ-coin, half-life of the first 2+ state in 94Sr by recoil-distance method (RDM) using TIGRESS Integrated Plunger (TIP), and TIGRESS array for γ detection at TRIUMF-ISAC-II accelerator facility. Coulomb excitation. Geant4 simulations. 94Sr; deduced level, B(E2) for the first 2+ state. Comparison with previous measurements, and with theoretical model calculations.
doi: 10.1103/PhysRevC.96.011302
2017CR03 Phys.Rev. C 95, 064317 (2017) H.L.Crawford, A.O.Macchiavelli, P.Fallon, M.Albers, V.M.Bader, D.Bazin, C.M.Campbell, R.M.Clark, M.Cromaz, J.Dilling, A.Gade, A.Gallant, J.D.Holt, R.V.F.Janssens, R.Krucken, C.Langer, T.Lauritsen, I.Y.Lee, J.Menendez, S.Noji, S.Paschalis, F.Recchia, J.Rissanen, A.Schwenk, M.Scott, J.Simonis, S.R.Stroberg, J.A.Tostevin, C.Walz, D.Weisshaar, A.Wiens, K.Wimmer, S.Zhu Unexpected distribution of ν1f7/2 strength in 49Ca NUCLEAR REACTIONS 9Be(48Ca, 47Ca), (50Ca, 49Ca), E not given, [secondary 48,50Ca beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, and using A1900 fragment separator at NSCL-MSU]; measured reaction 1n-knockout products using S800 magnetic spectrograph, Eγ, Iγ, γγ-coin, γ(particle) correlated events, using GRETINA array for γ detection, σ(-1n), parallel momentum distributions. 47,49Ca; deduced levels, J, π, l-transfer, γ-ray yields by fitting the data with GEANT4 simulation, spectroscopic factors, configurations, spectroscopic strengths for the 1f7/2 neutron hole states. Comparison with shell-model calculations based on NN+3N force in ν(pf) model space, GXPF1 interaction, and NN+3N including the ν1g9/2 orbital.
doi: 10.1103/PhysRevC.95.064317
2017EL04 Phys.Rev. C 96, 044332 (2017) B.Elman, A.Gade, D.Weisshaar, D.Barofsky, D.Bazin, P.C.Bender, M.Bowry, M.Hjorth-Jensen, K.W.Kemper, S.Lipschutz, E.Lunderberg, N.Sachmpazidi, N.Terpstra, W.B.Walters, A.Westerberg, S.J.Williams, K.Wimmer Quadrupole collectivity beyond N = 50 in neutron-rich Se and Kr isotopes NUCLEAR REACTIONS 209Bi(88Kr, 88Kr'), E=67 MeV/nucleon; 209Bi(90Kr, 90Kr'), E=68 MeV/nucleon; 209Bi(86Se, 86Se'), E=79 MeV/nucleon, [secondary 88,90Kr, 86Se beams from 9Be(96Zr, X), E=120 MeV/nucleon using A1900 fragment separator at the NSCL-MSU Cyclotron Laboratory]; measured reaction products and particle identification plot, Doppler-corrected Eγ, Iγ, (particle)γ-coin, σ, using the CAESAR array of 192 CsI(Na) scintillators. 88,90Kr, 86Se; deduced levels, J, π, Coulomb excitation yields, B(E2) for excited 2+ states. Comparison with shell-model calculations. 88,90Kr, 86Se; calculated shell-model occupations of the proton and neutron orbitals for the observed levels. Systematics of B(E2) values for the first 2+ states in N=36-60 Kr and Se nuclei.
doi: 10.1103/PhysRevC.96.044332
2017FL03 Phys.Rev.Lett. 118, 242501 (2017) F.Flavigny, P.Doornenbal, A.Obertelli, J.-P.Delaroche, M.Girod, J.Libert, T.R.Rodriguez, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, V.Lapoux, T.Motobayashi, M.Niikura, N.Paul, J.-Y.Rousse, H.Sakurai, C.Santamaria, D.Steppenbeck, R.Taniuchi, T.Uesaka, T.Ando, T.Arici, A.Blazhev, F.Browne, A.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, S.Franchoo, M.Gorska, A.Gottardo, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, S.Momiyama, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, C.R.Nobs, L.Olivier, R.Orlandi, Z.Patel, Zs.Podolyak, M.Rudigier, T.Saito, C.Shand, P.A.Soderstrom, I.Stefan, V.Vaquero, V.Werner, K.Wimmer, Z.Xu Shape Evolution in Neutron-Rich Krypton Isotopes Beyond N=60: First Spectroscopy of 98, 100Kr NUCLEAR REACTIONS 1H(99Rb, 2p)98Kr, E=260 MeV/nucleon; 1H(101Rb, 2p)100Kr, E=170 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with state-of-the-art beyond-mean-field calculations using the Gogny D1S interaction.
doi: 10.1103/PhysRevLett.118.242501
2017JO04 J.Phys.(London) G44, 044009 (2017) J.G.Johansen, V.Bildstein, M.J.G.Borge, M.Cubero, J.Diriken, J.Elseviers, L.M.Fraile, H.O.U.Fynbo, L.P.Gaffney, R.Gernhauser, B.Jonson, G.T.Koldste, J.Konki, T.Kroll, R.Krucken, D.Mucher, T.Nilsson, K.Nowak, J.Pakarinen, V.Pesudo, R.Raabe, K.Riisager, M.Seidlitz, O.Tengblad, H.Tornqvist, D.Voulot, N.Warr, K.Wimmer, H.De Witte Study of bound states in 10Be by one neutron removal reactions of 11Be NUCLEAR REACTIONS 1,2H(11Be, n)10Be, E=2.8 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced bound states, J, π, σ(θ). Comparison with DWBA calculations.
doi: 10.1088/1361-6471/aa5f28
2017KA25 Phys.Lett. B 769, 549 (2017) A.Kankainen, P.J.Woods, H.Schatz, T.Poxon-Pearson, D.T.Doherty, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, A.Estrade, A.Gade, J.Jose, A.Kontos, C.Langer, G.Lotay, Z.Meisel, F.Montes, S.Noji, F.Nunes, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Measurement of key resonance states for the 30P(p, γ)31S reaction rate, and the production of intermediate-mass elements in nova explosions NUCLEAR REACTIONS 2H(30P, n)31S, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, negative-parity states, spectroscopic factors, resonance parameters, astrophysical reaction rates. The GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), the National Superconducting Cyclotron Laboratory, Michigan State University.
doi: 10.1016/j.physletb.2017.01.084
2017KA46 Prog.Theor.Exp.Phys. 2017, 093D03 (2017) S.Kawase, K.Nakano, Y.Watanabe, H.Wang, H.Otsu, H.Sakurai, D.S.Ahn, M.Aikawa, T.Ando, S.Araki, S.Chen, N.Chiga, P.Doornenbal, N.Fukuda, T.Isobe, S.Kawakami, T.Kin, Y.Kondo, S.Koyama, S.Kubono, Y.Maeda, A.Makinaga, M.Matsushita, T.Matsuzaki, S.Michimasa, S.Momiyama, S.Nagamine, T.Nakamura, M.Niikura, T.Ozaki, A.Saito, T.Saito, Y.Shiga, M.Shikata, Y.Shimizu, S.Shimoura, T.Sumikama, P.Soderstrom, H.Suzuki, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, M.Uesaka, Y.Watanabe, K.Wimmer, T.Yamamoto, K.Yoshida Study of proton- and deuteron-induced spallation reactions on the long-lived fission product 93Zr at 105 MeV/nucleon in inverse kinematics NUCLEAR REACTIONS C, H(93Zr, X)92Nb/81Kr/81Rb, E=105 MeV/nucleon; measured reaction products, Eγ, Iγ. 92Zr, 81Br, 81Kr; deduced σ. Comparison with the PHITS calculations with INCL 4.6 for the intranuclear cascade process and GEM for the evaporation process.
doi: 10.1093/ptep/ptx110
2017LE08 Phys.Rev. C 96, 011301 (2017) M.Lettmann, V.Werner, N.Pietralla, P.Doornenbal, A.Obertelli, T.R.Rodriguez, K.Sieja, G.Authelet, H.Baba, D.Calvet, F.Chateau, S.Chen, A.Corsi, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, V.Lapoux, T.Motobayashi, M.Niikura, N.Paul, J.-Y.Rousse, H.Sakurai, C.Santamaria, D.Steppenbeck, R.Taniuchi, T.Uesaka, T.Ando, T.Arici, A.Blazhev, F.Browne, A.Bruce, R.J.Caroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, F.Flavigny, S.Franchoo, M.Gorska, A.Gottardo, A.Jungclaus, J.Lee, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, S.Momiyama, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, C.R.Nobs, L.Olivier, Z.Patel, Zs.Podolyak, M.Rudigier, T.Saito, C.Shand, P.-A.Soderstrom, I.Stefan, V.Vaquero, K.Wimmer, Z.Xu Triaxiality of neutron-rich 84, 86, 88Ge from low-energy nuclear spectra NUCLEAR REACTIONS 1H(85Ge, np), (87As, 2p), (89As, 2p), E≈270 MeV/nucleon reduced to ≈70 MeV/nucleon through the target, [85Ge, 87As and 89As secondary beams from 9Be(238U, F), E=345 MeV primary reaction at RIBF-RIKEN facility]; measured yields of fission fragments using time-of-flight method and BigRIPS magnetic spectrometer, particle spectra using ZeroDegree spectrometer and Doppler-corrected Eγ, Iγ, γγ-coin using DALI2 array of NaI detectors. 84,86,88Ge; deduced levels, J, π. Systematics of energies of first 2+ and 4+ states in even-even Z=32-40, N=50-60 nuclei. 86,88Ge; calculated potential energy surfaces in (β2, γ) plane using particle number variation after projection (PN-VAP) approach. Discussed triaxiality in even-even Ge nuclei based upon the observation of a tentative 3+ state in 86Ge. Comparison with shell-model, and symmetry-conserving configuration mixing Gogny (SCCM) model.
doi: 10.1103/PhysRevC.96.011301
2017MU05 Nat.Phys. 13, 152 (2017) A.Mutschler, A.Lemasson, O.Sorlin, D.Bazin, C.Borcea, R.Borcea, Z.Dombradi, J.-P.Ebran, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, D.Sohler, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer A proton density bubble in the doubly magic 34Si nucleus NUCLEAR REACTIONS 9Be(34Si, p)33Al, E<140 MeV/nucleon; measured reaction products, Eγ, Iγ. 34Si; deduced γ-ray energies, parallel momentum distributions of the strongest populated states, neutron and proton density distributions. Comparison with available data.
doi: 10.1038/nphys3916
2017NA07 Phys.Lett. B 768, 387 (2017) N.Nakatsuka, H.Baba, T.Aumann, R.Avigo, S.R.Banerjee, A.Bracco, C.Caesar, F.Camera, S.Ceruti, S.Chen, V.Derya, P.Doornenbal, A.Giaz, A.Horvat, K.Ieki, T.Inakura, N.Imai, T.Kawabata, N.Kobayashi, Y.Kondo, S.Koyama, M.Kurata-Nishimura, S.Masuoka, M.Matsushita, S.Michimasa, B.Million, T.Motobayashi, T.Murakami, T.Nakamura, T.Ohnishi, H.J.Ong, S.Ota, H.Otsu, T.Ozaki, A.Saito, H.Sakurai, H.Scheit, F.Schindler, P.Schrock, Y.Shiga, M.Shikata, S.Shimoura, D.Steppenbeck, T.Sumikama, I.Syndikus, H.Takeda, S.Takeuchi, A.Tamii, R.Taniuchi, Y.Togano, J.Tscheuschner, J.Tsubota, H.Wang, O.Wieland, K.Wimmer, Y.Yamaguchi, K.Yoneda, J.Zenihiro Observation of isoscalar and isovector dipole excitations in neutron-rich 20O NUCLEAR REACTIONS 197Au, He(20O, 20O'), E=276 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced excited states and decay γ-ray energies, J, π, branching ratios, inelastic σ, B(E1), strength functions. Comparison with RPA calculations.
doi: 10.1016/j.physletb.2017.03.017
2017ON01 Phys.Rev. C 95, 055806 (2017) W.-J.Ong, C.Langer, F.Montes, A.Aprahamian, D.W.Bardayan, D.Bazin, B.A.Brown, J.Browne, H.Crawford, R.Cyburt, E.B.Deleeuw, C.Domingo-Pardo, A.Gade, S.George, P.Hosmer, L.Keek, A.Kontos, I.-Y.Lee, A.Lemasson, E.Lunderberg, Y.Maeda, M.Matos, Z.Meisel, S.Noji, F.M.Nunes, A.Nystrom, G.Perdikakis, J.Pereira, S.J.Quinn, F.Recchia, H.Schatz, M.Scott, K.Siegl, A.Simon, M.Smith, A.Spyrou, J.Stevens, S.R.Stroberg, D.Weisshaar, J.Wheeler, K.Wimmer, R.G.T.Zegers Low-lying level structure of 56Cu and its implications for the rp process NUCLEAR REACTIONS 2H(56Ni, 56Cu), E AP 75 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU facility]; measured ΔE-TOF particle identification for ions, Eγ, Iγ, γγ-, (56Cu ions)γ-coin using GRETINA array and S800 magnetic spectrograph. 56Cu; deduced levels, J, π. Comparison with mirror nucleus 56Co level scheme, and with shell-model calculations 55Ni(p, γ)56Cu, T9=0.1-10; deduced Q value, astrophysical reaction rates as function of temperature, and impact on the r-process around 56Ni. NUCLEAR STRUCTURE 56Cu; calculated levels, resonance energies, J, π, spectroscopic factors, Γp, Γγ using shell model with the GXPF1A interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.055806
2017PA01 Phys.Rev.Lett. 118, 032501 (2017) N.Paul, A.Corsi, A.Obertelli, P.Doornenbal, G.Authelet, H.Baba, B.Bally, M.Bender, D.Calvet, F.Chateau, S.Chen, J.-P.Delaroche, A.Delbart, J.-M.Gheller, A.Giganon, A.Gillibert, M.Girod, P.-H.Heenen, V.Lapoux, J.Libert, T.Motobayashi, M.Niikura, T.Otsuka, T.R.Rodriguez, J.-Y.Rousse, H.Sakurai, C.Santamaria, N.Shimizu, D.Steppenbeck, R.Taniuchi, T.Togashi, Y.Tsunoda, T.Uesaka, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, F.Flavigny, S.Franchoo, M.Gorska, A.Gottardo, A.Jungclaus, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, S.Momiyama, K.Moschner, S.Nagamine, N.Nakatsuka, C.Nita, C.R.Nobs, L.Olivier, Z.Patel, Z.Podolyak, M.Rudigier, T.Saito, C.Shand, P.-A.Soderstrom, I.Stefan, R.Orlandi, V.Vaquero, V.Werner, K.Wimmer, Z.Xu Are There Signatures of Harmonic Oscillator Shells Far from Stability? First Spectroscopy of 110Zr NUCLEAR REACTIONS H(113Tc, p)112Mo, (111Nb, p)110Zr, E=260 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced 2+ state energies, R4/2 energy ratio. Comparison with Monte Carlo shell model predictions.
doi: 10.1103/PhysRevLett.118.032501
2017PA02 Phys.Rev.Lett. 118, 052501 (2017) J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer Isomeric Character of the Lowest Observed 4+ State in 44S NUCLEAR REACTIONS Be(46Ar, 2p)44S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). Plunger apparatus at GRETINA.
doi: 10.1103/PhysRevLett.118.052501
2017RI06 Phys.Rev. C 96, 011303 (2017) A.L.Richard, H.L.Crawford, P.Fallon, A.O.Macchiavelli, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, M.D.Jones, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, J.Rissanen, M.Salathe, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Strongly coupled rotational band in 33Mg NUCLEAR REACTIONS 9Be(46Ar, 33Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, (33Mg)γ-, γγ-coin using S800 spectrograph for particle identification and GRETINA array for γ detection. 33Mg; deduced low-energy yrast levels, J, π, rotational band, ground-state magnetic moment, and intrinsic quadrupole moment. Comparison with strong-coupling limit of a rotational model.
doi: 10.1103/PhysRevC.96.011303
2017SH42 Phys.Lett. B 773, 492 (2017) C.M.Shand, Zs.Podolyak, M.Gorska, P.Doornenbal, A.Obertelli, F.Nowacki, T.Otsuka, K.Sieja, J.A.Tostevin, Y.Tsunoda, G.Authelet, H.Baba, D.Calvet, A.Chateau, S.Chen, A.Corsi, A.Delbart, J.M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.J.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, A.Jungclaus, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, M.Nagamine, N.Nakatsuka, S.Nishimura, C.R.Nita, C.R.Nobs, L.Olivier, S.Ota, R.Orlandi, Z.Patel, P.H.Regan, M.Rudigier, E.Sahin, T.Saito, P.-A.Soderstrom, I.Stefan, T.Sumikama, D.Suzuki, Zs.Vajta, V.Vaquero, V.Werner, K.Wimmer, J.Wu, Z.Y.Xu Shell evolution beyond Z = 28 and N = 50: Spectroscopy of 81, 82, 83, 84Zn NUCLEAR REACTIONS H(82Ga, 2p)81Zn, (83Ga, 2p)82Zn, (84Ga, X)82Zn, (86Ga, X)83Zn, (85Ga, X)84Zn, E ∼ 270 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π; Comparison with Ni78-II, A3DA-m and PFSDG-U calculations.
doi: 10.1016/j.physletb.2017.09.001
2017VA09 Phys.Rev.Lett. 118, 202502 (2017) V.Vaquero, A.Jungclaus, P.Doornenbal, K.Wimmer, A.Gargano, J.A.Tostevin, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya Gamma Decay of Unbound Neutron-Hole States in 133Sn NUCLEAR REACTIONS C(134Sn, X)133Sn, E=165 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced neutron removal σ, energy levels, J, π.
doi: 10.1103/PhysRevLett.118.202502
2016BL05 Phys.Rev. C 93, 061301 (2016) B.Blank, T.Goigoux, P.Ascher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, V.H.Phong, H.Sakurai, Y.Shimizu, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, J.Wu, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go New neutron-deficient isotopes from 78Kr fragmentation NUCLEAR REACTIONS 9Be(78Kr, X)39Ti/40Ti/43Cr/44Cr/46Mn/47Fe/48Fe/51Ni/59Ge/60Ge/63Se/64Se/67Kr/68Kr, E=345 MeV/nucleon; measured fragmentation residues, production σ using BigRIPS separator, zero-degree spectrometer, WAS3ABi setup for implantation, and EURICA array for γ detection at RIBF-RIKEN facility. Comparison of experimental cross sections with predictions from the EPAX3 parameterization. 63Se, 67Kr, 68Kr; newly identified nuclides. 59Ge, 63Se, 67Kr; candidates for 2p emitters. 58Ge, 62Se, 66Kr; deduced upper limit of cross sections, half-lives, search for these nuclides proved unsuccessful, consistent with unbound nature of these nuclei.
doi: 10.1103/PhysRevC.93.061301
2016CE01 Phys.Rev. C 93, 021601 (2016) G.Cerizza, A.Ayres, K.L.Jones, R.Grzywacz, A.Bey, C.Bingham, L.Cartegni, D.Miller, S.Padgett, T.Baugher, D.Bazin, J.S.Berryman, A.Gade, S.McDaniel, A.Ratkiewicz, A.Shore, S.R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler, S.D.Pain, K.Y.Chae, J.A.Cizewski, M.E.Howard, J.A.Tostevin Structure of 107Sn studied through single-neutron knockout reactions NUCLEAR REACTIONS 9Be(108Sn, 107Sn), (106Sn, 105Sn), E=80 MeV/nucleon, [secondary 106,108Sn beams from 9Be(124Xe, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured yields of reaction products, Eγ, Iγ, (107Sn)γ-coin, momentum distributions, cross sections using CAESAR array of 192 CsI(Na) crystals for γ rays and particle identification by TOF, ΔE-E measured in the S800 focal-plane ion chamber. 107Sn; deduced levels, J, π. Comparison of experimental momentum distribution with eikonal model reaction calculations for neutron removal. Shell-model calculations of cross sections and spectroscopic factors. 105Sn; see 2015Jo03 (reference 20 in present paper) for experimental results.
doi: 10.1103/PhysRevC.93.021601
2016CR01 Phys.Rev. C 93, 031303 (2016) H.L.Crawford, P.Fallon, A.O.Macchiavelli, A.Poves, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, A.L.Richard, J.Rissanen, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Rotational band structure in 32Mg NUCLEAR REACTIONS 9Be(46Ar, 32Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, (32Mg)γ-, γγ-coin using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 32Mg; deduced levels, J, π, rotational band in a nuclide in "island of inversion", configuration. Comparison with large-scale shell model calculations using ANTOINE code with the SDPF-U-MIX effective two-body interaction.
doi: 10.1103/PhysRevC.93.031303
2016GA07 Phys.Rev. C 93, 031601 (2016) A.Gade, J.A.Tostevin, V.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, D.J.Hartley, E.Lunderberg, F.Recchia, S.R.Stroberg, Y.Utsuno, D.Weisshaar, K.Wimmer One-neutron pickup into 49Ca: Bound neutron g9/2 spectroscopic strength at N=29 NUCLEAR REACTIONS 12C(48Ca, 49Ca), E=140 MeV/nucleon; measured Eγ, Iγ, (49Ca)γ-coin, γ(θ), neutron-pickup single-particle cross sections using A1900 fragment separator and GRETINA array at NSCL-MSU. Heavy-ion-induced neutron-pickup reaction. DWBA analysis. 49Ca; deduced levels, J, π, multipolarity, spectroscopic factors. Comparison with full sd+pf+sdg valence-space shell-model calculations.
doi: 10.1103/PhysRevC.93.031601
2016GA14 Phys.Rev. C 93, 054315 (2016) A.Gade, J.A.Tostevin, V.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.Aa.Diget, T.Glasmacher, D.J.Hartley, E.Lunderberg, S.R.Stroberg, F.Recchia, A.Ratkiewicz, D.Weisshaar, K.Wimmer Single-particle structure at N=29: The structure of 47Ar and first spectroscopy of 45S NUCLEAR REACTIONS 9Be(48K, 47Ar), E=87.5 MeV/nucleon; 12C(46Ar, 47Ar), E=67 MeV/nucleon; 9Be(46Cl, 45S), [secondary 48K, 46Ar and 46Cl beams from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured particle identification spectra, Eγ, Iγ, γγ-coin using S800 spectrograph and SeGA array of 32-fold segmented HPGe detectors. 45S, 47Ar; deduced levels, J, π, σ. Detailed calculations for cross sections and spectroscopic factors using Eikonal dynamics for proton-removal, DWBA for neutron pickup, and SDPF-U and SDPF-MU shell-model interactions.
doi: 10.1103/PhysRevC.93.054315
2016GO26 Phys.Rev.Lett. 117, 162501 (2016) T.Goigoux, P.Ascher, B.Blank, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian Nieto, C.Magron, P.Doornenbal, G.G.Kiss, S.Nishimura, P.-A.Soderstrom, V.H.Phong, J.Wu, D.S.Ahn, N.Fukuda, N.Inabe, T.Kubo, S.Kubono, H.Sakurai, Y.Shimizu, T.Sumikama, H.Suzuki, H.Takeda, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, B.Rubio, Y.Fujita, M.Tanaka, W.Gelletly, P.Aguilera, F.Molina, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yagi, K.Wimmer, G.de France, S.Go, B.A.Brown Two-Proton Radioactivity of 67Kr RADIOACTIVITY 67Kr(2p), 59Ge, 63Se(β+) [from Be(78Kr, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ; deduced decay energy, branching ratio, T1/2. Comparison with available data.
doi: 10.1103/PhysRevLett.117.162501
2016KA05 Eur.Phys.J. A 52, 6 (2016) A.Kankainen, P.J.Woods, F.Nunes, C.Langer, H.Schatz, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, D.T.Doherty, A.Estrade, A.Gade, A.Kontos, G.Lotay, Z.Meisel, F.Montes, S.Noji, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Angle-integrated measurements of the 26Al (d, n) 27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths NUCLEAR REACTIONS 2H(26Al, n), E=30 MeV/nucleon; measured 511 keV γ-ray using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), Si recoils, (Si)γ-coin; deduced Doppler-reconstructed γ-ray spectrum in coincidence with Si, σ, resonances, spectroscopic factors to discrete states; calculated σ using shell model.
doi: 10.1140/epja/i2016-16006-5
2016KO15 Phys.Rev.Lett. 116, 122502 (2016) K.Kolos, D.Miller, R.Grzywacz, H.Iwasaki, M.Al-Shudifat, D.Bazin, C.R.Bingham, T.Braunroth, G.Cerizza, A.Gade, A.Lemasson, S.N.Liddick, M.Madurga, C.Morse, M.Portillo, M.M.Rajabali, F.Recchia, L.L.Riedinger, P.Voss, W.B.Walters, D.Weisshaar, K.Whitmore, K.Wimmer, J.A.Tostevin Direct Lifetime Measurements of the Excited States in 72Ni NUCLEAR REACTIONS 9Be(73Cu, p)72Ni, E=102MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, lifetimes, B(E2) values. Comparison with nuclear shell model calculations.
doi: 10.1103/PhysRevLett.116.122502
2016LO10 Phys.Rev. C 94, 024340 (2016) C.Loelius, H.Iwasaki, B.A.Brown, M.Honma, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, T.Braunroth, C.M.Campbell, A.Dewald, A.Gade, N.Kobayashi, C.Langer, I.Y.Lee, A.Lemasson, E.Lunderberg, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 4+1 state of 58Ni with the recoil distance method NUCLEAR REACTIONS 9Be(74Kr, 58Ni), E=93 MeV/nucleon, [secondary 74Kr beam from 9Be(78Kr, X), E=150 MeV/nucleon]; measured reaction products, Eγ, Iγ, (58Ni ions)γ-coin, half-life of the first 4+ state in 58Ni by recoil distance Doppler shift method using Triple Plunger for Exotic Beams (TRIPLEX) coupled with GRETINA array and the S800 spectrograph at NSCL-MSU facility. 58Ni; deduced level, B(E2) for the first 4+ state. Comparison with GXPF1A shell-model calculations, and with previous measurements.
doi: 10.1103/PhysRevC.94.024340
2016LU14 Phys.Rev. C 94, 064327 (2016) E.Lunderberg, A.Gade, V.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, D.J.Hartley, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Wimmer In-beam γ-ray spectroscopy of 38-42S NUCLEAR REACTIONS 12C(46Ar, X)40S/41S/42S/43S, E=67.0 MeV/nucleon; 12C(48Ca, X)38S/39S/40S, E=66.7 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X) primary reaction]; measured particle identification spectra, yields using A1900 fragment separator and S800 spectrograph, Eγ, Iγ, γγ-coin, (particle)γ-coin using GRETINA array at NSCL-MSU facility. 38,39,40,41,42,43S; deduced levels, J, π, estimated half-life of 6+ state in 38S; calculated shell model (SDPF-MU) neutron p3/2 occupancies for the 0+ and 2+ states in 38,40,42,44S. Comparison with large-scale shell-model calculations with the SDPF-MU effective interaction for the sd-pf shell using NUSHELLX code.
doi: 10.1103/PhysRevC.94.064327
2016ME07 Phys.Rev. C 93, 035805 (2016) Z.Meisel, S.George, S.Ahn, D.Bazin, B.A.Brown, J.Browne, J.F.Carpino, H.Chung, R.H.Cyburt, A.Estrade, M.Famiano, A.Gade, C.Langer, M.Matos, W.Mittig, F.Montes, D.J.Morrissey, J.Pereira, H.Schatz, J.Schatz, M.Scott, D.Shapira, K.Sieja, K.Smith, J.Stevens, W.Tan, O.Tarasov, S.Towers, K.Wimmer, J.R.Winkelbauer, J.Yurkon, R.G.T.Zegers Time-of-flight mass measurements of neutron-rich chromium isotopes up to N=40 and implications for the accreted neutron star crust ATOMIC MASSES 59,60,61,62,63,64Cr; measured mass excesses by time-of-flight (TOF) method using 9Be(82Se, X), E=140 MeV/nucleon for production of Si to Zn isotopes and A1900 fragment separator and S800 spectrograph for fragment separation and analysis at NSCL-MSU. TOF versus mass contour plot obtained for Ar (A=44-49), K (A=47-52), Ca (A=49-55), Sc (A=52-58), Ti (A=54-60), V (A=57-63), Cr (A=59-66), Mn (A=62-70) and Fe (A=64-71) isotopes. Analyzed S(2n) trends and compared to AME-2012. Comparison with state-of-the-art shell-model calculations using modified Lenzi-Nowacki-Poves-Sieja interaction in the fp shell, and with AME-2012 data. Mass of 64Cr used in accreted neutron star crust network calculations, and deduced reduction in strength depth of electron-capture heating from A=64 isobaric chain. NUCLEAR REACTIONS 9Be(82Se, X), E=140 MeV/nucleon; measured time-of-flight, energy loss, fragment yields of 150 isotopes from Si to Zn using A1900 fragment separator and S800 spectrograph at NSCL-MSU.
doi: 10.1103/PhysRevC.93.035805
2016MI05 Phys.Rev. C 93, 024318 (2016) S.A.Milne, M.A.Bentley, E.C.Simpson, P.Dodsworth, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler Mirrored one-nucleon knockout reactions to the TZ = ±3/2 A=53 mirror nuclei NUCLEAR REACTIONS 9Be(54Ni, 53Ni), (54Fe, 53Mn), E=87 MeV/nucleon, [secondary 54Ni and 54Fe beams from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction]; measured Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler line-shape analysis, relative cross sections for one-neutron and one-proton knockout reactions using A1900 fragment separator, S800 spectrograph and SeGA array at NSCL-MSU. 53Ni, 53Mn; deduced levels, J, π, B(M1), B(E2), mirror-energy differences (MED) between isobaric analog states. Comparison with shell-model calculations by including a set of isovector isospin-nonconserving matrix elements.
doi: 10.1103/PhysRevC.93.024318
2016MI17 Phys.Rev.Lett. 117, 082502 (2016) S.A.Milne, M.A.Bentley, E.C.Simpson, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler Isospin Symmetry at High Spin Studied via Nucleon Knockout from Isomeric States NUCLEAR REACTIONS 9Be(53Co, n)52Co, E=77 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, relative σ, high-spin isomeric states.
doi: 10.1103/PhysRevLett.117.082502
2016MU03 Phys.Rev. C 93, 034333 (2016) A.Mutschler, O.Sorlin, A.Lemasson, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Spectroscopy of 35P using the one-proton knockout reaction NUCLEAR REACTIONS 9Be(36S, 35P), (36S, 36P), E=88 MeV/nucleon, [secondary 36S beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, parallel momentum distributions using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 35P; deduced levels, J, π, L-transfers, spectroscopic factors. 36P; measured Eγ, parallel momentum distribution; deduced level population. 36S; deduced proton occupancies.
doi: 10.1103/PhysRevC.93.034333
2016NO05 Phys.Rev. C 93, 044335 (2016) K.Nowak, K.Wimmer, S.Hellgartner, D.Mucher, V.Bildstein, J.Diriken, J.Elseviers, L.P.Gaffney, R.Gernhauser, J.Iwanicki, J.G.Johansen, M.Huyse, J.Konki, T.Kroll, R.Krucken, R.Lutter, R.Orlandi, J.Pakarinen, R.Raabe, P.Reiter, T.Roger, G.Schrieder, M.Seidlitz, O.Sorlin, P.Van Duppen, N.Warr, H.De Witte, M.Zielinska Spectroscopy of 46Ar by the (t, p) two-neutron transfer reaction NUCLEAR REACTIONS 3H(44Ar, p)46Ar, E=2.16 MeV/nucleon, [44Ar secondary beam from U(p, X), E=1.4 GeV primary beam using FEBIAD ion source and HRS separator at CERN]; measured recoil proton and other light-particle spectra using T-REX silicon array, Eγ, Iγ, (recoil protons)γ-coin using MINIBALL array for γ-ray detection, angular distribution of protons from 2n-transfer channel at REX-ISOLDE-CERN facility. DWBA analysis of σ(θ) data for protons using amplitudes calculated with SDPF-MU, SDPF-U and EPQQM shell-model effective interactions. 46Ar; deduced levels, J, π. Comparison of level spectrum with shell-model calculations. NUCLEAR STRUCTURE 46Ar; calculated levels, J, π by shell model using SDPF-NR, SDPF-MU, SDPF-U and EPQQM effective interactions, spectroscopic amplitudes and two-nucleon amplitudes (TNA) in transfer reactions, wave functions. Discussed B(E2) for the first 2+ state.
doi: 10.1103/PhysRevC.93.044335
2016RE20 Phys.Rev. C 94, 054324 (2016) F.Recchia, D.Weisshaar, A.Gade, J.A.Tostevin, R.V.F.Janssens, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.Chen, C.J.Chiara, H.L.Crawford, C.R.Hoffman, F.G.Kondev, A.Korichi, C.Langer, T.Lauritsen, S.N.Liddick, E.Lunderberg, S.Noji, C.Prokop, S.R.Stroberg, S.Suchyta, K.Wimmer, S.Zhu Neutron single-particle strengths at N=40, 42: Neutron knockout from 68, 70Ni ground and isomeric states NUCLEAR REACTIONS 9Be(68Ni, 67Ni), E=85 MeV/nucleon; 9Be(70Ni, 69Ni), E=74 MeV/nucleon, [secondary 68,70Ni beams from 9Be(82Se, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator at NSCL-MSU]; measured particle spectra, Eγ, Iγ, one-neutron knockout σ for levels in the final nuclei, (67Ni or 69Ni)γ-coin, parallel momentum distributions, delayed γ from isomers using GRETINA array for γ detection and S800 spectrograph for particle analysis. 67,69Ni; measured levels, J, π, l-transfers. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.94.054324
2015BR10 Phys.Rev. C 92, 034306 (2015) T.Braunroth, A.Dewald, H.Iwasaki, S.M.Lenzi, M.Albers, V.M.Bader, T.Baugher, T.Baumann, D.Bazin, J.S.Berryman, C.Fransen, A.Gade, T.Ginter, A.Gottardo, M.Hackstein, J.Jolie, A.Lemasson, J.Litzinger, S.Lunardi, T.Marchi, V.Modamio, C.Morse, D.R.Napoli, A.Nichols, F.Recchia, S.R.Stroberg, R.Wadsworth, D.Weisshaar, K.Whitmore, K.Wimmer Reduced transition strengths of low-lying yrast states in chromium isotopes in the vicinity of N=40 NUCLEAR REACTIONS 9Be(59Mn, 58Cr), E=92.1 MeV/nucleon; 9Be(61Mn, 60Cr), E=91.9 MeV/nucleon; 9Be(63Mn, 62Cr), E=98 MeV/nucleon, [secondary 59,61,63Mn beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured Eγ, Iγ, beam-like recoil particle spectra and yields, (particle)γ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using S800 spectrograph and SeGA array. 58,60,62Cr; deduced levels, J, π, B(E2), intrinsic quadrupole moments Q0 and deformation parameter β2. Comparison with calculations using shell-model with LNPS interactions, realistic shell-model, and IBM-2. Systematics of energies and B(E2) for first 2+ states in N=22-52, Ti, Cr, Fe, Ni, Se and Kr nuclei. Systematics of ratios of energies and B(E2) values for first 2+, 4+ and 6+ states in 52,54,56,58,60,62Cr, and E(5) limit.
doi: 10.1103/PhysRevC.92.034306
2015CH25 Phys.Rev. C 91, 044309 (2015) C.J.Chiara, D.Weisshaar, R.V.F.Janssens, Y.Tsunoda, T.Otsuka, J.L.Harker, W.B.Walters, F.Recchia, M.Albers, M.Alcorta, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, P.F.Bertone, C.M.Campbell, M.P.Carpenter, J.Chen, H.L.Crawford, H.M.David, D.T.Doherty, A.Gade, C.R.Hoffman, M.Honma, F.G.Kondev, A.Korichi, C.Langer, N.Larson, T.Lauritsen, S.N.Liddick, E.Lunderberg, A.O.Macchiavelli, S.Noji, C.Prokop, A.M.Rogers, D.Seweryniak, N.Shimizu, S.R.Stroberg, S.Suchyta, Y.Utsuno, S.J.Williams, K.Wimmer, S.Zhu Identification of deformed intruder states in semi-magic 70Ni NUCLEAR REACTIONS 208Pb(70Zn, X)70Ni, E=440 MeV; measured Eγ, Iγ, prompt- and delayed-γ spectra, γγ-coin, γγ(θ) using Gammasphere array at ATLAS-ANL facility. 9Be(82Se, X)70Ni, E=140 MeV/nucleon; measured Eγ, Iγ, (70Ni)γ-, γγ-coin, prompt and delayed γ rays using S800 spectrograph, GRETINA and CsI(Na) arrays at NSCL-MSU facility. 70Ni; deduced levels, J, π. Comparison with Monte Carlo shell-model calculations. NUCLEAR STRUCTURE 68,70Ni, 92Mo; calculated levels, J, π, potential-energy surface contours in (Q2, Q4) plane. Shell-model using jj44bpn, jj44pna, JUN45, and JUN45 effective interactions, and Monte Carlo shell-model with A3DA interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.044309
2015DI04 Phys.Rev. C 91, 054321 (2015) J.Diriken, N.Patronis, A.Andreyev, S.Antalic, V.Bildstein, A.Blazhev, I.G.Darby, H.De Witte, J.Eberth, J.Elseviers, V.N.Fedosseev, F.Flavigny, Ch.Fransen, G.Georgiev, R.Gernhauser, H.Hess, M.Huyse, J.Jolie, Th.Kroll, R.Krucken, R.Lutter, B.A.Marsh, T.Mertzimekis, D.Muecher, R.Orlandi, A.Pakou, R.Raabe, G.Randisi, P.Reiter, T.Roger, M.Seidlitz, M.Seliverstov, C.Sotty, H.Tornqvist, J.Van De Walle, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer Experimental study of the 66Ni(d, p) 67Ni one-neutron transfer reaction NUCLEAR REACTIONS 2H(66Ni, p), E=2.95 MeV/nucleon, [secondary 66Ni beam from U(p, X), E=1.4 GeV primary reaction using RILIS and REX-TRAP at ISOLDE-CERN]; measured Eπ, Ip, Eγ, Iγ, γγ(t), pγ-, pγγ-coin, isomer half-life, σ(θ) for protons using T-REX setup for charged-particles and Miniball (MB) array for γ detection. 67Ni; deduced levels, J, π, l-transfer, configurations, spectroscopic factors, asymptotic normalization constants (ANCs), single-neutron strengths. DWBA analysis of σ(θ) data. Comparison with proton single-particle strength distribution in 89Y, and with shell model calculations. Systematics of summed single-particle spectroscopic factors and C2S weighted centroid energies for 59,61,63,65,67Ni.
doi: 10.1103/PhysRevC.91.054321
2015FL01 Phys.Rev. C 91, 034310 (2015) F.Flavigny, D.Pauwels, D.Radulov, I.J.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, V.S.Ivanov, U.Koster, B.A.Marsh, T.Otsuka, L.Popescu, R.Raabe, M.D.Seliverstov, N.Shimizu, A.M.Sjodin, Y.Tsunoda, P.Van den Bergh, P.Van Duppen, J.Van de Walle, M.Venhart, W.B.Walters, K.Wimmer Characterization of the low-lying 0+ AND 2+ states in 68Ni via β decay of the low-spin 68Co isomer RADIOACTIVITY 68Co(β-), (β-n)[from 68Mn -> 68Fe -> 68Co decay chain, 68Mn from 238U(p, F), E=1 GeV]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of first excited 0+ state by βγ(t) using RILIS and Miniball array at ISOLDE-CERN facility. 68Ni; deduced levels, J, π, β feedings, logft, E0 decays, delayed neutron emission probability Pn, B(E2), configuration. Comparison with previous results, and with Monte Carlo shell model (MCSM) calculations. 67,68Fe, 67Co, 68Ga, 136I(β-); detected γ rays. NUCLEAR STRUCTURE 68Ni; calculated Potential energy surfaces in (Q0, Q2) plane for the ground state and first 2+ state. Large-scale Monte Carlo shell model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034310
2015GA19 Phys.Rev. C 91, 064313 (2015) L.P.Gaffney, A.P.Robinson, D.G.Jenkins, A.N.Andreyev, M.Bender, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, T.E.Cocolios, T.Davinson, A.N.Deacon, H.De Witte, D.DiJulio, J.Diriken, A.Ekstrom, Ch.Fransen, S.J.Freeman, K.Geibel, T.Grahn, B.Hadinia, M.Hass, P.-H.Heenen, H.Hess, M.Huyse, U.Jakobsson, N.Kesteloot, J.Konki, Th.Kroll, V.Kumar, O.Ivanov, S.Martin-Haugh, D.Mucher, R.Orlandi, J.Pakarinen, A.Petts, P.Peura, P.Rahkila, P.Reiter, M.Scheck, M.Seidlitz, K.Singh, J.F.Smith, J.Van de Walle, P.Van Duppen, D.Voulot, R.Wadsworth, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska, M.Zielinska Collectivity in the light radon nuclei measured directly via Coulomb excitation NUCLEAR REACTIONS 109Ag, 120Sn(202Rn, 202Rn'), (204Rn, 204Rn'), E=2.845, 2.90, 2.28 MeV, [secondary 202,204Rn beams from U(p, X), E=1.4 GeV from Proton Synchrotron Booster, REX-TRAP, REX-EBIS and REX-LINAC at ISOLDE-CERN facility]; measured scattered heavy ion spectra, Eγ, Iγ, (particle)γ-coin using Miniball array. Coulomb excitation. 202,204Rn; deduced levels, E2 matrix elements, spectroscopic quadrupole moment, B(E2). GOSIA analysis of experimental data for 202,204Rn and 109Ag, 120Sn from Coulomb excitation. Comparison with state-of-the-art beyond-mean-field model calculations. Systematics of energies and transition quadrupole moments of yrast states, B(E2) and quadrupole deformation for first 2+ states in 198,200,202,204,206,208,210,212Rn.
doi: 10.1103/PhysRevC.91.064313
2015GA38 Eur.Phys.J. A 51, 136 (2015) L.P.Gaffney, J.Van de Walle, B.Bastin, V.Bildstein, A.Blazhev, N.Bree, J.Cederkall, I.Darby, H.De Witte, D.DiJulio, J.Diriken, V.N.Fedosseev, Ch.Fransen, R.Gernhauser, A.Gustafsson, H.Hess, M.Huyse, N.Kesteloot, Th.Kroll, R.Lutter, B.A.Marsh, P.Reiter, M.Seidlitz, P.Van Duppen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska Low-energy Coulomb excitation of 62Fe and 62Mn following in-beam decay of 62Mn NUCLEAR REACTIONS 109Ag(62Mn, 62Mn'), (62Fe, 62Fe'), E=2.86 MeV/nucleon; measured Coulomb excitation Eγ, Iγ, projectile, recoil; deduced B(E2). 62Mn deduced γ transitions, levels, J, π.
doi: 10.1140/epja/i2015-15136-6
2015JO03 Acta Phys.Pol. B46, 537 (2015) K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler Recent Direct Reaction Experimental Studies with Radioactive Tin Beams
doi: 10.5506/APhysPolB.46.537
2015KE06 Phys.Rev. C 92, 054301 (2015) N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.
doi: 10.1103/PhysRevC.92.054301
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