NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = N.Kobayashi Found 68 matches. 2024MO02 Phys.Rev.Lett. 132, 082501 (2024) B.Monteagudo, F.M.Marques, J.Gibelin, N.A.Orr, A.Corsi, Y.Kubota, J.Casal, J.Gomez-Camacho, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, T.Uesaka, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro Mass, Spectroscopy, and Two-Neutron Decay of 16Be RADIOACTIVITY 16Be(2n) [from 1H(17B, 2p), E=277 MeV/nucleon]; measured decay products, En, In; deduced resonance energies, J, π, Q-value. Comparison with calculations incorporating the evolution of the wave function during the decay as a genuine three-body process reproduced the principal characteristics of the neutron-neutron energy spectra for both levels, indicating that the ground state exhibits a strong spatially compact dineutron component. The 15 cm thick liquid hydrogen target of MINOS, the BigRIPS fragment separator, the Radioactive Isotope Beam Factory of the RIKEN Nishina Center.
doi: 10.1103/PhysRevLett.132.082501
2023KI02 Phys.Lett. B 836, 137629 (2023) S.Kim, J.W.Hwang, Y.Satou, N.A.Orr, T.Nakamura, Y.Kondo, J.Gibelin, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, N.Inabe, T.Isobe, D.Kameda, D.Kanno, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, A.G.Tuff, M.Vandebrouck, K.Yoneda Unbound states in 17C and p-sd shell-model interactions NUCLEAR REACTIONS C(18C, n)17C, E=245 MeV/nucleon; measured reaction products. 16C; deduced resonance energies and parameters, partial σ, spectroscopic factors, J, π. Comparison with shell-model (YSOX) calculations. The BigRIPS fragment separator at the RIKEN–RIBF laboratory.
doi: 10.1016/j.physletb.2022.137629
2023RE02 Phys.Lett. B 838, 137704 (2023) A.Revel, J.Wu, H.Iwasaki, J.Ash, D.Bazin, B.A.Brown, J.Chen, R.Elder, P.Farris, A.Gade, M.Grinder, N.Kobayashi, J.Li, B.Longfellow, T.Mijatovic, J.Pereira, A.Poves, A.Sanchez, N.Shimizu, M.Spieker, Y.Utsuno, D.Weisshaar Large collectivity in 29Ne at the boundary of the island of inversion NUCLEAR REACTIONS 181Ta, 9Be(29Ne, 29Ne'), E=101 MeV/nucleon; measured reaction products, Eγ, Iγ. 29Ne; deduced γ-ray energies, partial level scheme, B(E2). Comparison with shell-model calculations using FSU, SDPF-M, SDPF-U-MIX and EEdf1 interactions. The GRETINA array, the TRIPLEX device, the S800 Spectrograph facilitates at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University.
doi: 10.1016/j.physletb.2023.137704
2022KI06 Few-Body Systems 63, 21 (2022) S.Kim, J.Hwang, Y.Satou, N.A.Orr, T.Nakamura, Y.Kondo, J.Gibelin, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, N.Inabe, T.Isobe, D.Kameda, D.Kanno, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, A.G.Tuff, M.Vandebrouck, K.-i.Yoneda Spectroscopy of 17C Above the Neutron Separation Energy NUCLEAR REACTIONS C(18C, X)17C/16C, E<245 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(E), six resonances, partial σ. SAMURAI spectrometer at RIBF of RIKEN.
doi: 10.1007/s00601-022-01725-5
2022UT02 Phys.Rev. C 106, 024327 (2022) S.Uthayakumaar, M.A.Bentley, E.C.Simpson, T.Haylett, R.Yajzey, S.M.Lenzi, W.Satula, D.Bazin, J.Belarge, P.C.Bender, P.J.Davies, B.Elman, A.Gade, H.Iwasaki, D.Kahl, N.Kobayashi, B.Longfellow, S.J.Lonsdale, E.Lunderberg, L.Morris, D.R.Napoli, T.G.Parry, X.Pereira-Lopez, F.Recchia, J.A.Tostevin, R.Wadsworth, D.Weisshaar Spectroscopy of the T = 3 over 2 A = 47 and A = 45 mirror nuclei via one- and two-nucleon knockout reactions NUCLEAR REACTIONS 9Be(48Mn, 47Mn), E=84 MeV/nucleon; 9Be(48V, 47Ti), E=89 MeV/nucleon; 9Be(47Cr, 45Cr), E=81 MeV/nucleon; 9Be(47V, 45Sc), E=85 MeV/nucleon, [48Mn, 48V, 47Cr, 47V secondary beams from 9Be(58Ni, X), E=160 MeV/nucleon, followed by separation of fragments using A1900 separator and S800 spectrograph at NSCL-MSU facility]; measured reaction products, outgoing particle identification plot, Eγ, Iγ, exclusive cross sections, (particle)γ-coin, γγ-coin for mirrored nuclei produced via one- and two-nucleon knockout reactions. 47Mn, 47Ti, 45Sc, 45Cr; deduced levels, J, π, mirror-energy differences (MED) for T=3/2 mirror nuclei. Comparison with reaction model, shell-model and DFT-NCII theoretical calculations. Discussed large asymmetry in the inclusive cross sections between the A=47 mirror pair in terms of binding-energy effects.
doi: 10.1103/PhysRevC.106.024327
2021AD13 Phys.Lett. B 819, 136411 (2021) S.Adachi, Y.Fujikawa, T.Kawabata, H.Akimune, T.Doi, T.Furuno, T.Harada, K.Inaba, S.Ishida, M.Itoh, C.Iwamoto, N.Kobayashi, Y.Maeda, Y.Matsuda, M.Murata, S.Okamoto, A.Sakaue, R.Sekiya, A.Tamii, M.Tsumura Candidates for the 5α condensed state in 20Ne NUCLEAR REACTIONS 20Ne(α, α'), E<30 MeV; measured reaction products, Eα, Iα; deduced yields, σ, decay branching ratios, new excited states, candidates for 4α and 5α condensed states.
doi: 10.1016/j.physletb.2021.136411
2021CR01 Phys.Lett. B 816, 136210 (2021) F.C.L.Crespi, A.Bracco, E.G.Lanza, A.Tamii, N.Blasi, F.Camera, O.Wieland, N.Aoi, D.L.Balabanski, S.Bassauer, A.S.Brown, M.P.Carpenter, J.J.Carroll, M.Ciemala, A.Czeszumska, P.J.Davies, V.Derya, L.M.Donaldson, Y.D.Fang, H.Fujita, G.Gey, H.T.Ha, M.N.Harakeh, T.Hashimoto, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, D.G.Jenkins, T.Klaus, N.Kobayashi, T.Koike, M.Krzysiek, M.K.Raju, M.Liu, A.Maj, L.Morris, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.G.Pickstone, N.Pietralla, D.Savran, J.M.Schmitt, M.Spieker, G.Steinhilber, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, T.Yamamoto, R.G.T.Zegers, X.Zhou, S.Zhu, A.Zilges The structure of low-lying 1- states in 90, 94Zr from (α, α'γ) and (p, p'γ) reactions NUCLEAR REACTIONS 90,94Zr(p, p'γ), E=80 MeV; 90,94Zr(α, α'γ), E=130 MeV; measured reaction products, Eγ, Iγ; deduced ratio of the measured yields, dipole states σ, transition densities, low-lying dipole strength. The array CAGRA with HPGe detectors.
doi: 10.1016/j.physletb.2021.136210
2021EL06 Phys.Rev. C 104, 024307 (2021) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, D.Weisshaar Lifetime measurements probing collectivity in the ground-state band of 32Mg NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 30Mg), E=60 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 meV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at the NSCL-Coupled Cyclotron Facility]; measured reaction products by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (32Mg)γ-coin, half-lives of the first 2+ and 4+ levels in 32Mg and first 2+ in 30Mg using GRETINA array for γ detection and TRIPLEX plunger device. 30,32Mg; deduced levels, J, π, B(E2). Comparison with shell-model calculations using SDPF-M, SDPF-U-MIX, AMPGCM, EKK, USDA and CHFB+LQRPA interactions, and with previous experimental B(E2) results. Systematics of measured B(E2) for first 2+ state in even-even Z=12 isotopes from N=16 to N=24, and those of theoretical B(E2) from N=16 to N=28.
doi: 10.1103/PhysRevC.104.024307
2021MO25 Phys.Rev. C 104, 054323 (2021) L.Morris, D.G.Jenkins, M.N.Harakeh, J.Isaak, N.Kobayashi, A.Tamii, S.Adachi, P.Adsley, N.Aoi, A.Bracco, A.Brown, M.P.Carpenter, J.J.Carroll, S.Courtin, F.C.L.Crespi, P.J.Davies, G.Fruet, Y.D.Fang, H.Fujita, G.Gey, T.H.Hoang, N.Ichige, E.Ideguchi, A.Inoue, C.Iwamoto, T.Koike, M.Kumar Raju, M.L.Liu, D.Montanari, P.von Neumann-Cosel, S.Noji, H.J.Ong, D.Savran, J.M.Schmitt, C.Sullivan, B.Wasilewska, M.Weinert, V.Werner, Y.Yamamoto, R.G.T.Zegers, X.H.Zhou, S.Zhu Search for in-band transitions in the candidate superdeformed band in 28Si NUCLEAR REACTIONS 28Si(α, α'), E=130 MeV beam from K140 AVF cyclotron at the RCNP-Osaka; measured Eα, Iα using the Grand Raiden spectrometer, Eγ, Iγ, γγ-coin using CAGRA array of 12 HPGe clover detectors and four LaBr3 detectors. 28Si; deduced levels, J, π, bands; analyzed 4+ member in search of a superdeformed (SD) band, branching ratios of γ rays from the 4+ member, and B(E2); based on comparison of experimental B(E2) values with predicted B(E2) values from antisymmetrized molecular dynamics (AMD) calculations for a set of identified states in 28Si, strongly rejected hypothesized superdeformed band in this nuclide.
doi: 10.1103/PhysRevC.104.054323
2021TS03 Phys.Lett. B 817, 136283 (2021) M.Tsumura, T.Kawabata, Y.Takahashi, S.Adachi, H.Akimune, S.Ashikaga, T.Baba, Y.Fujikawa, H.Fujimura, H.Fujioka, T.Furuno, T.Hashimoto, T.Harada, M.Ichikawa, K.Inaba, Y.Ishii, N.Itagaki, M.Itoh, C.Iwamoto, N.Kobayashi, A.Koshikawa, S.Kubono, Y.Maeda, Y.Matsuda, S.Matsumoto, K.Miki, T.Morimoto, M.Murata, T.Nanamura, I.Ou, S.Sakaguchi, A.Sakaue, M.Sferrazza, K.N.Suzuki, T.Takeda, A.Tamii, K.Watanabe, Y.N.Watanabe, H.P.Yoshida, J.Zenihiro First experimental determination of the radiative-decay probability of the 3-1state in 12C for estimating the triple alpha reaction rate in high temperature environments NUCLEAR REACTIONS 1H(12C, p')12C, E=262 MeV; measured reaction products, Ep, Ip; deduced radiative-decay probability of the 3-1state in 12C, 3α reaction rate. Comparison with NACRE data.
doi: 10.1016/j.physletb.2021.136283
2021WA25 Phys.Rev. C 103, 044001 (2021) A.Watanabe, S.Nakai, Y.Wada, K.Sekiguchi, A.Deltuva, T.Akieda, D.Etoh, M.Inoue, Y.Inoue, K.Kawahara, H.Kon, K.Miki, T.Mukai, D.Sakai, S.Shibuya, Y.Shiokawa, T.Taguchi, H.Umetsu, Y.Utsuki, M.Watanabe, S.Goto, K.Hatanaka, Y.Hirai, T.Ino, D.Inomoto, A.Inoue, S.Ishikawa, M.Itoh, H.Kanda, H.Kasahara, N.Kobayashi, Y.Maeda, S.Mitsumoto, S.Nakamura, K.Nonaka, H.J.Ong, H.Oshiro, Y.Otake, H.Sakai, A.Taketani, A.Tamii, D.T.Tran, T.Wakasa, Y.Wakabayashi, T.Wakui Proton-3He elastic scattering at intermediate energies NUCLEAR REACTIONS 3He(polarized p, p), E=65, 70 MeV; measured E(p), I(p), σ(θ), analyzing powers Ay(θ) of scattered protons using Grand Raiden spectrometer at RCNP, Osaka for E(p)=65 MeV, and using sets of counter telescopes of NaI(Tl) scintillators for E(p)=70 MeV at the Cyclotron Radioisotope Center (CYRIC), Tohoku University; deduced spin correlation coefficient. Comparison with results of previous experiments, and with rigorous four-nucleon scattering calculations based on realistic nuclear potentials and a model with Δ-isobar excitation.
doi: 10.1103/PhysRevC.103.044001
2021YA07 Phys.Rev.Lett. 126, 082501 (2021) Z.H.Yang, Y.Kubota, A.Corsi, K.Yoshida, X.-X.Sun, J.G.Li, M.Kimura, N.Michel, K.Ogata, C.X.Yuan, Q.Yuan, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, F.R.Xu, J.Yasuda, K.Yoneda, J.Zenihiro, S.-G.Zhou, W.Zuo, T.Uesaka Quasifree Neutron Knockout Reaction Reveals a Small s-Orbital Component in the Borromean Nucleus 17B NUCLEAR REACTIONS 1H(17B, np)16B, E ∼ 277 MeV/nucleon; measured reaction products, Eγ, Iγ. 17B; deduced energy levels, partial σ and spectroscopic parameters, resonance widths. Comparison with GSM, VS-IMSRG, AMD, SM calculations. MINOS target, RIKEN Nishina Center.
doi: 10.1103/PhysRevLett.126.082501
2021YA33 Phys.Lett. B 823, 136757 (2021) R.Yajzey, M.A.Bentley, E.C.Simpson, T.Haylett, S.Uthayakumaar, D.Bazin, J.Belarge, P.C.Bender, P.J.Davies, B.Elman, A.Gade, H.Iwasaki, D.Kahl, N.Kobayashi, S.M.Lenzi, B.Longfellow, S.J.Lonsdale, E.Lunderberg, L.Morris, D.R.Napoli, X.Pereira-Lopez, F.Recchia, J.A.Tostevin, R.Wadsworth, D.Weisshaar Spectroscopy of the T=2 mirror nuclei 48Fe/48Ti using mirrored knockout reactions NUCLEAR REACTIONS 9Be(58Ni, X)48Fe/48Ti, E=160 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ for sta tes directly populated in this work through one-nucleon knockout, mirror energy differences (MED). Comparison with calculations. The Gamma-Ray Energy Tracking In-beam Nuclear Array GRETINA.
doi: 10.1016/j.physletb.2021.136757
2021ZA06 Phys.Rev. C 104, 014607 (2021) J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu Investigation of the isoscalar response of 24Mg to 6Li scattering NUCLEAR REACTIONS 24Mg(6Li, 6Li'), E=100 MeV/nucleon; measured scattered 6Li particles, σ(θ) using Grand Raiden spectrometer and two position-sensitive multiwire drift chambers (MWDCs) and three plastic scintillators for particle identification and reconstructing their trajectories at RCNP-Osaka University; deduced differential σ(E, Q), angular momentum transfers by fitting with multipole-decomposition analysis (MDA) using DWBA calculations for angular-momentum transfers. 24Mg; deduced energies, widths, EWSR, isoscaler giant monopole resonance (ISGMR), isoscaler giant monopole resonance (ISGDR), isoscaler giant quadrupole resonance (ISGQR) strength functions from Lorentzian fits to data. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.104.014607
2020BA47 Phys.Rev. C 102, 034327 (2020) S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner Electric and magnetic dipole strength in 112, 114, 116, 118, 120, 124Sn NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; measured E(p), I(p), particle spectra through identification via the correlation of energy loss and time of flight (ToF), double differential σ(θ, E(exc)) using Grand Raiden spectrometer at RCNP accelerator facility; deduced photoabsorption cross sections due to E1 and M1 excitations from multipole decomposition analysis (MDA) after subtraction of the ISGMR and ISGQR contributions, σ, energy and width of isovector giant dipole resonance (IVGDR), B(E1) and B(M1) strengths in the excitation energy range of 6-20 MeV, dipole polarizability. Comparison with previous experimental results from (γ, xn) and (γ, γ') experiments.
doi: 10.1103/PhysRevC.102.034327
2020BA50 Phys.Lett. B 810, 135804 (2020) S.Bassauer, P.von Neumann-Cosel, P.-G.Reinhard, A.Tamii, S.Adachi, C.A.Bertulani, P.Y.Chan, G.Colo, A.D'Alessio, H.Fujioka, H.Fujita, Y.Fujita, G.Gey, M.Hilcker, T.H.Hoang, A.Inoue, J.Isaak, C.Iwamoto, T.Klaus, N.Kobayashi, Y.Maeda, M.Matsuda, N.Nakatsuka, S.Noji, H.J.Ong, I.Ou, N.Paar, N.Pietralla, V.Yu.Ponomarev, M.S.Reen, A.Richter, X.Roca-Maza, M.Singer, G.Steinhilber, T.Sudo, Y.Togano, M.Tsumura, Y.Watanabe, V.Werner Evolution of the dipole polarizability in the stable tin isotope chain NUCLEAR REACTIONS 112,114,116,118,120,124Sn(p, p'), E=295 MeV; 116Sn(γ, X), E<30 MeV; measured reaction products, Ep, Ip; deduced σ(θ, E), σ, total dipole polarizability. Comparison with available data.
doi: 10.1016/j.physletb.2020.135804
2020CO07 Phys.Rev.Lett. 124, 212503 (2020) K.J.Cook, T.Nakamura, Y.Kondo, K.Hagino, K.Ogata, A.T.Saito, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, Q.Deshayes, P.Doornenbal, N.Fukuda, J.Gibelin, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, K.Muto, T.Murakami, D.Murai, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, N.A.Orr, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, J.Tsubota, A.G.Tuff, M.Vandebrouck, K.Yoneda Halo Structure of the Neutron-Dripline Nucleus 19B NUCLEAR REACTIONS Pb, C(19B, 2n)17B, E=220 MeV/nucleon; measured reaction products, Eγ, Iγ. 19B; deduced σ(E), exclusive and inclusive neutron removal σ, Coulomb dissociation σ, two-neutron probability densities, B(E1).
doi: 10.1103/PhysRevLett.124.212503
2020HE25 Phys.Lett. B 809, 135678 (2020) S.Heil, M.Petri, K.Vobig, D.Bazin, J.Belarge, P.Bender, B.A.Brown, R.Elder, B.Elman, A.Gade, T.Haylett, J.D.Holt, T.Huther, A.Hufnagel, H.Iwasaki, N.Kobayashi, C.Loelius, B.Longfellow, E.Lunderberg, M.Mathy, J.Menendez, S.Paschalis, R.Roth, A.Schwenk, J.Simonis, I.Syndikus, D.Weisshaar, K.Whitmore Electromagnetic properties of 21O for benchmarking nuclear Hamiltonians NUCLEAR REACTIONS 9Be(24F, 21O), E=95 MeV/nucleon; measured reaction products, Eγ, Iγ. 21O; deduced γ-ray energies, J, π, level T1/2, B(E2). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2020.135678
2020HO01 Phys.Lett. B 801, 135185 (2020) K.B.Howard, U.Garg, M.Itoh, H.Akimune, S.Bagchi, T.Doi, Y.Fujikawa, M.Fujiwara, T.Furuno, M.N.Harakeh, Y.Hijikata, K.Inaba, S.Ishida, N.Kalantar-Nayestanaki, T.Kawabata, S.Kawashima, K.Kitamura, N.Kobayashi, Y.Matsuda, A.Nakagawa, S.Nakamura, K.Nosaka, S.Okamoto, S.Ota, S.Weyhmiller, Z.Yang Compression-mode resonances in the calcium isotopes and implications for the asymmetry term in nuclear incompressibility NUCLEAR REACTIONS 40,42,44,48Ca(α, α'), E=386 MeV; measured reaction products, Eα, Iα; deduced positive value for the asymmetry term in the nuclear incompressibility. Isoscalar giant monopole resonance (ISGMR).
doi: 10.1016/j.physletb.2019.135185
2020KU34 Phys.Rev.Lett. 125, 252501 (2020) Y.Kubota, A.Corsi, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kikuchi, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, K.Ogata, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro, T.Uesaka Surface Localization of the Dineutron in 11Li NUCLEAR REACTIONS 1H(11Li, np)2NN, E=246 MeV/nucleon; measured reaction products, Ep, Ip, En, In; deduced missing momentum distribution, σ(θ, E), formation of a dineutron. Comparison with calculations.
doi: 10.1103/PhysRevLett.125.252501
2020VA01 Phys.Rev.Lett. 124, 022501 (2020) V.Vaquero, A.Jungclaus, T.Aumann, J.Tscheuschner, E.V.Litvinova, J.A.Tostevin, H.Baba, D.S.Ahn, R.Avigo, K.Boretzky, A.Bracco, C.Caesar, F.Camera, S.Chen, V.Derya, P.Doornenbal, J.Endres, N.Fukuda, U.Garg, A.Giaz, M.N.Harakeh, M.Heil, A.Horvat, K.Ieki, N.Imai, N.Inabe, N.Kalantar-Nayestanaki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, I.Martel, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, N.Nakatsuka, M.Nishimura, S.Nishimura, S.Ota, H.Otsu, T.Ozaki, M.Petri, R.Reifarth, J.L.Rodriguez-Sanchez, D.Rossi, A.T.Saito, H.Sakurai, D.Savran, H.Scheit, F.Schindler, P.Schrock, D.Semmler, Y.Shiga, M.Shikata, Y.Shimizu, H.Simon, D.Steppenbeck, H.Suzuki, T.Sumikama, D.Symochko, I.Syndikus, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, H.Wang, O.Wieland, K.Yoneda, J.Zenihiro, A.Zilges Fragmentation of Single-Particle Strength around the Doubly Magic Nucleus 132Sn and the Position of the 0f5/2 Proton-Hole State in 131In NUCLEAR REACTIONS 4He(132Sn, n), (132Sn, p), E=203 MeV/nucleon; 9Be(238U, X)132Sn, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. 131Sn, 131In; deduced γ-ray energies, spectroscopic factors, strong fragmentation of single-hole strength. Comparison with theoretical calculations.
doi: 10.1103/physrevlett.124.022501
2020ZA05 Phys.Rev. C 101, 064609 (2020) J.C.Zamora, C.Sullivan, R.G.T.Zegers, N.Aoi, L.Batail, D.Bazin, M.Carpenter, J.J.Carroll, I.Deloncle, Y.D.Fang, H.Fujita, U.Garg, G.Gey, C.J.Guess, M.N.Harakeh, T.H.Hoang, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, N.Kobayashi, T.Koike, M.Kumar Raju, S.Lipschutz, M.Liu, P.von Neumann-Cosel, S.Noji, H.J.Ong, S.Peru, J.Pereira, J.Schmitt, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, X.Zhou, S.Zhu Reexamination of isoscalar giant resonances in 12C and 93Nb through 6Li scattering NUCLEAR REACTIONS 12C, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; measured 6Li spectra, double-differential σ, and angular distributions for the isoscalar giant monopole resonances (ISGMRs) using the high-resolution Grand Raiden magnetic spectrometer at the RCNP-Osaka facility; deduced contribution of different angular momentum transfers to differential σ, energies, widths and E0 strength distribution of GMRs, EWSR, influence on GMRs due to nuclear structure. Angular distribution data fitted using multipole-decomposition analysis (MDA) and DWBA methods. Comparison with antisymmetrized molecular dynamics (AMD) calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.101.064609
2019CO12 Phys.Lett. B 797, 134843 (2019) A.Corsi, Y.Kubota, J.Casal, M.Gomez-Ramos, A.M.Moro, G.Authelet, H.Baba, C.Caesar, D.Calvet, A.Delbart, M.Dozono, J.Feng, F.Flavigny, J.-M.Gheller, J.Gibelin, A.Giganon, A.Gillibert, K.Hasegawa, T.Isobe, Y.Kanaya, S.Kawakami, D.Kim, Y.Kiyokawa, M.Kobayashi, N.Kobayashi, T.Kobayashi, Y.Kondo, Z.Korkulu, S.Koyama, V.Lapoux, Y.Maeda, F.M.Marques, T.Motobayashi, T.Miyazaki, T.Nakamura, N.Nakatsuka, Y.Nishio, A.Obertelli, A.Ohkura, N.A.Orr, S.Ota, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, E.C.Pollacco, S.Reichert, J.-Y.Rousse, A.T.Saito, S.Sakaguchi, M.Sako, C.Santamaria, M.Sasano, H.Sato, M.Shikata, Y.Shimizu, Y.Shindo, L.Stuhl, T.Sumikama, Y.L.Sun, M.Tabata, Y.Togano, J.Tsubota, T.Uesaka, Z.H.Yang, J.Yasuda, K.Yoneda, J.Zenihiro Structure of 13Be probed via quasi-free scattering NUCLEAR REACTIONS 1H(11Li, X), 246 MeV/nucleon; 1H(14Be, np)13Be, E=265 MeV/nucleon; 1H(17B, X), E=277 MeV/nucleon; measured reaction products, Ep, Ip, En, In, Eγ, Iγ. 12,13Be; deduced σ(E), partial level scheme, scattering lengths, resonance energies and widths, transverse momentum distributions.
doi: 10.1016/j.physletb.2019.134843
2019EL09 Phys.Rev. C 100, 041301 (2019) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, B.A.Brown, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, A.O.Macchiavelli, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, J.A.Tostevin, D.Weisshaar Intruder dominance in the 0+2 state of 32Mg studied with a novel technique for in-flight decays NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 31Mg), E=86 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 MeV/nucleon and separated using A1900 fragment separator at NSCL-MSU]; measured reaction products identified by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (particle)γ-coin, level half-life for the first excited 0+ state using GRETINA array. 32Mg; deduced levels, excited 0+ level, B(E2) for excited 0+ to the first 2+ state. Comparison with B(E2) values for the first 2+ and excited 0+ states in 30,32Mg and 34Si. New method to study isomeric states decaying in-flight. Discussed collective behavior of the first excited 0+ state in 32Mg. 31Mg; deduced levels, isomer half-life.
doi: 10.1103/PhysRevC.100.041301
2019KO28 Eur.Phys.J. A 55, 231 (2019) N.Kobayashi, K.Miki, T.Hashimoto, C.Iwamoto, A.Tamii, N.Aoi, M.P.Carpenter, K.Hatanaka, J.Isaak, E.Ideguchi, S.Morinobu, S.Nakamura, S.Noji Excitation and γ-decay coincidence measurements at the GRAF beamline for studies of pygmy and giant dipole resonances
doi: 10.1140/epja/i2019-12854-7
2018LE18 Phys.Rev.Lett. 121, 262502 (2018) S.Leblond, F.M.Marques, J.Gibelin, N.A.Orr, Y.Kondo, T.Nakamura, J.Bonnard, N.Michel, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, Q.Deshayes, P.Doornenbal, N.Fukuda, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, J.Lee, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, A.G.Tuff, M.Vandebrouck, K.Yoneda First Observation of 20B and 21B NUCLEAR REACTIONS 12C(22N, 2p)20B, E=225 MeV/nucleon; 12C(22C, p)21B, E=233 MeV/nucleon; measured reaction products; deduced energy levels, J, π, one- and two-neutron separation energies. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.121.262502
2018LO20 Phys.Rev.Lett. 121, 262501 (2018) C.Loelius, N.Kobayashi, H.Iwasaki, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, R.Elder, B.Elman, A.Gade, M.Grinder, S.Heil, A.Hufnagel, B.Longfellow, E.Lunderberg, M.Mathy, T.Otsuka, M.Petri, I.Syndikus, N.Tsunoda, D.Weisshaar, K.Whitmore Enhanced Electric Dipole Strength for the Weakly Bound States in 27Ne NUCLEAR REACTIONS 9Be(29Na, 27Ne), E=90.5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E1). Comparison with he shell-model calculations with the WBP-M and EEdf1 interactions.
doi: 10.1103/PhysRevLett.121.262501
2018MI07 Phys.Rev.Lett. 121, 012501 (2018) T.Mijatovic, N.Kobayashi, H.Iwasaki, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, A.Dewald, R.Elder, B.Elman, A.Gade, M.Grinder, T.Haylett, S.Heil, C.Loelius, B.Longfellow, E.Lunderberg, M.Mathy, K.Whitmore, D.Weisshaar Lifetime Measurements and Triple Coexisting Band Structure in 43S NUCLEAR REACTIONS Be(44Cl, p)43S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ. 42S; deduced γ-ray energies, J, π, B(E2), B(M1), band structure. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.121.012501
2018SU14 Phys.Rev. C 98, 015804 (2018) C.Sullivan, R.G.T.Zegers, S.Noji, SamM.Austin, J.Schmitt, N.Aoi, D.Bazin, M.Carpenter, J.J.Carroll, H.Fujita, U.Garg, G.Gey, C.J.Guess, T.H.Hoang, M.N.Harakeh, E.Hudson, N.Ichige, E.Ideguchi, A.Inoue, J.Isaak, C.Iwamoto, C.Kacir, T.Koike, N.Kobayashi, S.Lipschutz, M.Liu, P.von Neumann-Cosel, H.J.Ong, J.Pereira, M.Kumar Raju, A.Tamii, R.Titus, V.Werner, Y.Yamamoto, Y.D.Fang, J.C.Zamora, S.Zhu, X.Zhou The (6Li, 6Li* [3.56 MeV]) reaction at 100 MeV/u as a probe of Gamow-Teller transition strengths in the inelastic scattering channel NUCLEAR REACTIONS 12C(6Li, 6Li'), E=100 MeV/nucleon; measured Eγ, Iγ, 6Li scattered particles, (6Li)γ-coin, double differential σ(θ, Eex) using CAGRA detector array for γ detection, and Grand Raiden magnetic spectrometer for analysis of charged particles at RCNP-Osaka; deduced Doppler-corrected (6Li)γ-coin spectrum, Gamow-Teller strengths, and isovector spin-transfer response in inelastic reaction channel by tagging the reaction with the 3.56-MeV γ-ray from the excited state of 6Li. 24Mg, 93Nb(6Li, 6Li'), E=100 MeV/nucleon; reactions used for calibration, also it was not possible to isolate the isovector spin transfer excitations in the inelastic channel.
doi: 10.1103/PhysRevC.98.015804
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
2018YA18 Phys.Rev.Lett. 121, 132501 (2018) J.Yasuda, M.Sasano, R.G.T.Zegers, H.Baba, D.Bazin, W.Chao, M.Dozono, N.Fukuda, N.Inabe, T.Isobe, G.Jhang, D.Kameda, M.Kaneko, K.Kisamori, M.Kobayashi, N.Kobayashi, T.Kobayashi, S.Koyama, Y.Kondo, A.J.Krasznahorkay, T.Kubo, Y.Kubota, M.Kurata-Nishimura, C.S.Lee, J.W.Lee, Y.Matsuda, E.Milman, S.Michimasa, T.Motobayashi, D.Muecher, T.Murakami, T.Nakamura, N.Nakatsuka, S.Ota, H.Otsu, V.Panin, W.Powell, S.Reichert, S.Sakaguchi, H.Sakai, M.Sako, H.Sato, Y.Shimizu, M.Shikata, S.Shimoura, L.Stuhl, T.Sumikama, H.Suzuki, S.Tangwancharoen, M.Takaki, H.Takeda, T.Tako, Y.Togano, H.Tokieda, J.Tsubota, T.Uesaka, T.Wakasa, K.Yako, K.Yoneda, J.Zenihiro Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonance in 132Sn NUCLEAR REACTIONS 1H(132Sn, n), E=216 MeV/nucleon; measured reaction products, En, In; deduced σ(θ, E), B(GT), parameters. Comparison with available data.
doi: 10.1103/PhysRevLett.121.132501
2017DO05 Phys.Rev. C 95, 041301 (2017) P.Doornenbal, H.Scheit, S.Takeuchi, Y.Utsuno, N.Aoi, K.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, J.Lee, S.Michimasa, T.Motobayashi, T.Otsuka, H.Sakurai, M.Takechi, Y.Togano, K.Yoneda Low-Z shore of the "island of inversion" and the reduced neutron magicity toward 28O NUCLEAR REACTIONS 1H, C(30Na, 29F), (30Na, 27F), E=228 MeV/nucleon, [secondary 30Na beam from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction at RIBF-RIKEN facility]; measured reaction residues 27,29F using BigRIPS and ZeroDegree spectrometers, Eγ, Iγ, (27F)γ- and (29F)γ-coin using DALI2 array for γ detection. One-proton and one-proton-two-neutron removal reactions on carbon and polyethylene targets. 27,29F; deduced levels, J, π, binding energy. Comparison with calculations using the SDPF-M interaction, and correlation of 29F and 28O level spectra.
doi: 10.1103/PhysRevC.95.041301
2017HW02 Phys.Lett. B 769, 503 (2017); Corrigendum Phys.Lett. B 774, 723 (2017) J.W.Hwang, S.Kim, Y.Satou, N.A.Orr, Y.Kondo, T.Nakamura, J.Gibelin, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, N.Inabe, T.Isobe, D.Kameda, D.Kanno, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, A.G.Tuff, M.Vandebrouck, K.Yoneda Single-neutron knockout from 20C and the structure of 19C NUCLEAR REACTIONS C(20C, n)19C, E=280 MeV/nucleon; measured reaction products; deduced σ(E), partial σ, resonance widths. Comparison with theoretical calculations using YSOX shell-model interaction.
doi: 10.1016/j.physletb.2017.04.019
2017LI07 Phys.Lett. B 767, 58 (2017) H.N.Liu, J.Lee, P.Doornenbal, H.Scheit, S.Takeuchi, N.Aoi, K.A.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, S.Michimasa, T.Motobayashi, A.Poves, H.Sakurai, M.Takechi, Y.Togano, J.A.Tostevin, Y.Utsuno Intruder configurations in the ground state of 30Ne NUCLEAR REACTIONS 12C(30Ne, 29Ne'), E=228 MeV/nucleon; measured reaction products, Eγ, Iγ. 29,30Ne; deduced σ and and spectroscopic factors, J, π. Comparison with SDPF-U-MIX shell model calculations.
doi: 10.1016/j.physletb.2017.01.052
2017MO26 Phys.Rev. C 96, 034328 (2017) S.Momiyama, P.Doornenbal, H.Scheit, S.Takeuchi, M.Niikura, N.Aoi, K.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, M.Kimura, N.Kobayashi, Y.Kondo, J.Lee, S.Michimasa, T.Motobayashi, N.Shimizu, M.Takechi, Y.Togano, Y.Utsuno, K.Yoneda, H.Sakurai In-beam γ-ray spectroscopy of 35Mg via knockout reactions at intermediate energies NUCLEAR REACTIONS C(36Mg, 35Mg), E=235 MeV; C(37Al, 35Mg), E=246 MeV, [secondary 36Mg and 37Al beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction, followed by separation using BigRIPS separator and Zero Degree spectrometer at RIBF-RIKEN facility]; measured reaction products, Eγ, Iγ, (35Mg)γ-coin, inclusive and γ-ray cross sections, parallel momentum distributions using DALI2 array of 186 large-volume NaI(Tl) crystals. 35Mg; deduced levels, J, π. Comparison with shell-model calculations using SDPF-M interaction, and with antisymmetrized molecular dynamics (AMD) model calculations using Gogny D1S force. C(36Mg, 34Mg), (36Mg, 33Mg), E=235 MeV; measured inclusive σ. NUCLEAR STRUCTURE 35Mg; calculated levels, J, π, single-particle knockout cross sections, spectroscopic factors using shell-model with SDPF-M interaction, and antisymmetrized molecular dynamics (AMD) model with Gogny D1S force. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.034328
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
2016DO03 Phys.Rev. C 93, 044306 (2016) P.Doornenbal, H.Scheit, S.Takeuchi, N.Aoi, K.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, J.Lee, S.Michimasa, T.Motobayashi, A.Poves, H.Sakurai, M.Takechi, Y.Togano, K.Yoneda Mapping the deformation in the "island of inversion": Inelastic scattering of 30Ne and 36Mg at intermediate energies NUCLEAR REACTIONS Pb(30Ne, 30Ne'), E=232 MeV/nucleon; C(30Ne, 30Ne'), E=228 MeV/nucleon; Pb(36Mg, 36Mg'), E=223 MeV/nucleon; C(36Mg, 36Mg'), E=218 MeV/nucleon, [secondary 30Ne and 36Mg beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction using BigRIPS fragment separator at RIKEN facility]; measured particle spectra by Bρ-ΔE-TOF method using BigRIPS separator and ZeroDegree spectrometer, Eγ, Iγ, (particle)γ-coin using DALI2 array for γ detection, cross sections for the first 2+ states. 30Ne, 36Mg; deduced first 2+ levels, deformation lengths and B(E2) for the first 2+ states. Coulomb and nuclear excitations. Discussed neutron excitations across the N=20 shell for 30Ne. Comparisons with state-of-the-art shell-model calculations. Systematics of energies of first 2+ and 4+ states, and B(E2) values for the first 2+ states in N=20 isotones, and 26,28,30,32,34Ne, 28,30,32,34,36,38,40Mg, together with comparison of experimental and theoretical values from shell-model calculations.
doi: 10.1103/PhysRevC.93.044306
2016KO05 Phys.Rev. C 93, 014613 (2016) N.Kobayashi, T.Nakamura, Y.Kondo, J.A.Tostevin, N.Aoi, H.Baba, R.Barthelemy, M.A.Famiano, N.Fukuda, N.Inabe, M.Ishihara, R.Kanungo, S.Kim, T.Kubo, G.S.Lee, H.S.Lee, M.Matsushita, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Sako, H.Sakurai, Y.Satou, T.Sumikama, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, K.Yoneda One-neutron removal from 29Ne : Defining the lower limits of the island of inversion NUCLEAR REACTIONS Pb(29Ne, 28Ne), E=244 MeV/nucleon; C(29Ne, 28Ne), E=240 MeV/nucleon, [secondary 29Ne produced in 9Be(48Ca, X), E=345 MeV/nucleon]; measured Eγ, Iγ, (28Ne)γ-coin, inclusive longitudinal momentum distribution, one-neutron removal cross sections for ground and excited states of 28Ne using BigRIPS separator and ZeroDegree spectrometer (ZDS) for particle detection and analysis, and DALI2 NaI array for γ detection at RIBF-RIKEN. 28Ne; deduced levels, J, π, Coulomb dissociation cross sections. 29Ne; deduced Jπ of ground state from longitudinal momentum distribution for 28Ne. Comparison with large-scale shell model calculations using the SDPF-M effective interaction. Systematics of low-lying states of 27,29,31Ne.
doi: 10.1103/PhysRevC.93.014613
2016KO11 Phys.Rev.Lett. 116, 102503 (2016) Y.Kondo, T.Nakamura, R.Tanaka, R.Minakata, S.Ogoshi, N.A.Orr, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, J.Gibelin, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, Y.Togano, A.G.Tuff, M.Vandebrouck, K.Yoneda Nucleus 26O: A Barely Unbound System beyond the Drip Line NUCLEAR REACTIONS Be(27F, p)26O, E=201 MeV/nucleon; C(26F, p)25O, E=201 MeV/nucleon; measured reaction products, En, In; deduced first excited and ground state energies, J, π, resonance widths. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.116.102503
2016LE21 Prog.Theor.Exp.Phys. 2016, 083D01 (2016) J.Lee, H.Liu, P.Doornenbal, M.Kimura, K.Minomo, K.Ogata, Y.Utsuno, N.Aoi, K.Li, M.Matsushita, H.Scheit, D.Steppenbeck, S.Takeuchi, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, S.Michimasa, T.Motobayashi, H.Sakurai, M.Takechi, Y.Togano Asymmetry dependence of reduction factors from single-nucleon knockout of 30Ne at ∼ 230 MeV/nucleon NUCLEAR STRUCTURE 29F, 29,30Ne; calculated structure, energy, spectroscopic factor for proton states in 29F and neutron ones in 29Ne using shell model in sd-pf model space and using AMD (Antisymmetrized Molelcular Dynamics). NUCLEAR REACTIONS 12C(30Ne, 29F), (30Ne, 29Ne), E≈230 MeV/nucleon; measured 29F, 30Ne residues using ZeroDegree Spectrometer, Eγ, Iγ using detector array DALI2 of 186 NaI(Tl) scintillators; calculated inclusive deeply-bound one-nucleon knock-out σ using eikonal theory with wave functions, densities, spectroscopic factors from shell model and from AMD; deduced σ dependence on separation energy asymmetry and on nuclear radius parameter. Compared with data.
doi: 10.1093/ptep/ptw096
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
2016TO10 Phys.Lett. B 761, 412 (2016) Y.Togano, T.Nakamura, Y.Kondo, J.A.Tostevin, A.T.Saito, J.Gibelin, N.A.Orr, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, A.G.Tuff, M.Vandebrouck, K.Yoneda Interaction cross section study of the two-neutron halo nucleus 22C NUCLEAR REACTIONS C(19C, X), E=307 MeV/nucleon; C(20C, X), E=280 MeV/nucleon; C(22C, X), E=235 MeV/nucleon; measured reaction products, Eγ, Iγ. 19,20,22C; deduced σ, rms matter radii. A four-body Glauber reaction model.
doi: 10.1016/j.physletb.2016.08.062
2015MA54 Phys.Rev. C 92, 041302 (2015), Pub.Note Phys.Rev. C 92, 044903 (2015) A.Matta, D.Beaumel, H.Otsu, V.Lapoux, N.K.Timofeyuk, N.Aoi, M.Assie, H.Baba, S.Boissinot, R.J.Chen, F.Delaunay, N.de Sereville, S.Franchoo, P.Gangnant, J.Gibelin, F.Hammache, Ch.Houarner, N.Imai, N.Kobayashi, T.Kubo, Y.Kondo, Y.Kawada, L.H.Khiem, M.Kurata-Nishimura, E.A.Kuzmin, J.Lee, J.F.Libin, T.Motobayashi, T.Nakamura, L.Nalpas, E.Yu.Nikolskii, A.Obertelli, E.C.Pollacco, E.Rindel, Ph.Rosier, F.Saillant, T.Sako, H.Sakurai, A.M.Sanchez-Benitez, J-A.Scarpaci, I.Stefan, D.Suzuki, K.Takahashi, M.Takechi, S.Takeuchi, H.Wang, R.Wolski, K.Yoneda New findings on structure and production of 10He from 11Li with the (d, 3He) reaction NUCLEAR REACTIONS 2H(11Li, 3He), (9Li, 3He), E=50 MeV/nucleon, [secondary 9,11Li beams from 9Be(18O, X), E=100 MeV/nucleon primary reaction]; measured 3He spectra, σ(θ) using four MUST2 Si telescopes at RIBF-RIKEN. 8,10He; deduced missing mass spectra, levels, resonances, J, π, widths, spectroscopic factors, 8He+n+n and 6He+4n decay modes of unbound states of 10He. 10He, 11Li; deduced importance of core excitations in the ground state. DWBA analysis, shell-model calculations, and comparison with previous experimental data.
doi: 10.1103/PhysRevC.92.041302
2014CR02 Phys.Rev. C 89, 041303 (2014) H.L.Crawford, P.Fallon, A.O.Macchiavelli, R.M.Clark, B.A.Brown, J.A.Tostevin, D.Bazin, N.Aoi, P.Doornenbal, M.Matsushita, H.Scheit, D.Steppenbeck, S.Takeuchi, H.Baba, C.M.Campbell, M.Cromaz, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, I.Y.Lee, J.Lee, K.Li, S.Michimasa, T.Motobayashi, T.Nakamura, S.Ota, S.Paschalis, M.Petri, T.Sako, H.Sakurai, S.Shimoura, M.Takechi, Y.Togano, H.Wang, K.Yoneda Shell and shape evolution at N = 28: The 40Mg ground state NUCLEAR REACTIONS C(42Si, 40Mg), [42Si secondary beam from 9Be(48Ca, X), E=345 MeV/nucleon], E=238 MeV/nucleon; measured reaction products, inclusive σ for the production of 40Mg through two-proton knockout using BigRIPS and ZDS spectrometers at RIBF-RIKEN facility. 40Mg; deduced σ for ground state; calculated levels, J, π, σ, probabilities of the prolate contributions in 42Si and 40Mg ground-state wave functions using SDPF-MU and SDPFU-Si shell-models with eikonal reaction theory.
doi: 10.1103/PhysRevC.89.041303
2014DO05 Prog.Theor.Exp.Phys. 2014, 053D01 (2014) P.Doornenbal, H.Scheit, S.Takeuchi, Y.Utsuno, N.Aoi, K.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, J.Lee, S.Michimasa, T.Motobayashi, T.Otsuka, H.Sakurai, M.Takechi, Y.Togano, K.Yoneda Rotational level structure of sodium isotopes inside the "island of inversion" NUCLEAR REACTIONS H, C(36Mg, X)33Na/34Na/35Na, E=236 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E2), B(M1). Shell model calculations, comparison with systematics and available data.
doi: 10.1093/ptep/ptu057
2014KO14 Phys.Rev.Lett. 112, 242501 (2014) N.Kobayashi, T.Nakamura, Y.Kondo, J.A.Tostevin, Y.Utsuno, N.Aoi, H.Baba, R.Barthelemy, M.A.Famiano, N.Fukuda, N.Inabe, M.Ishihara, R.Kanungo, S.Kim, T.Kubo, G.S.Lee, H.S.Lee, M.Matsushita, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Otsuka, T.Sako, H.Sakurai, Y.Satou, T.Sumikama, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, K.Yoneda Observation of a p-Wave One-Neutron Halo Configuration in 37Mg NUCLEAR REACTIONS C, Pb(37Mg, 36Mg'), E=240-244 MeV/nucleon; measured reaction products, Eγ, Iγ. 36,37Mg; deduced 1-n removal σ, spectroscopic factors, neutron separation energy, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.112.242501
2014NA10 Phys.Rev.Lett. 112, 142501 (2014) T.Nakamura, N.Kobayashi, Y.Kondo, Y.Satou, J.A.Tostevin, Y.Utsuno, N.Aoi, H.Baba, N.Fukuda, J.Gibelin, N.Inabe, M.Ishihara, D.Kameda, T.Kubo, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Otsuka, H.Sakurai, T.Sumikama, H.Takeda, E.Takeshita, M.Takechi, S.Takeuchi, Y.Togano, K.Yoneda Deformation-Driven p-Wave Halos at the Drip Line: 31Ne NUCLEAR REACTIONS C, Pb(31Ne, n)30Ne, E=230, 234 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial and inclusive n-removal σ, parallel momentum distributions, neutron halo. Comparison with eikonal calculations.
doi: 10.1103/PhysRevLett.112.142501
2014TS04 Phys.Lett. B 739, 19 (2014) K.Tshoo, Y.Satou, C.A.Bertulani, H.Bhang, S.Choi, T.Nakamura, Y.Kondo, S.Deguchi, Y.Kawada, Y.Nakayama, K.N.Tanaka, N.Tanaka, Y.Togano, N.Kobayashi, N.Aoi, M.Ishihara, T.Motobayashi, H.Otsu, H.Sakurai, S.Takeuchi, K.Yoneda, F.Delaunay, J.Gibelin, F.M.Marques, N.A.Orr, T.Honda, T.Kobayashi, T.Sumikama, Y.Miyashita, K.Yoshinaga, M.Matsushita, S.Shimoura, D.Sohler, J.W.Hwang, T.Zheng, Z.H.Li, Z.X.Cao Neutron occupancy of the 0d5/2 orbital and the N=16 shell closure in 24O NUCLEAR REACTIONS 1H(24O, n), E=62 MeV/nucleon; measured reaction products, En, In. 23O; deduced σ(E), energy levels, J, π, spectroscopic factors. Comparison with experimental data, USDB shell-model calculations.
doi: 10.1016/j.physletb.2014.10.033
2013DO22 Phys.Rev.Lett. 111, 212502 (2013) P.Doornenbal, H.Scheit, S.Takeuchi, N.Aoi, K.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, H.Crawford, C.R.Hoffman, R.Hughes, E.Ideguchi, N.Kobayashi, Y. Kondo, J.Lee, S.Michimasa, T.Motobayashi, H.Sakurai, M.Takechi, Y.Togano, R.Winkler, K.Yoneda In-Beam γ-Ray Spectroscopy of 34, 36, 38Mg: Merging the N=20 and N=28 Shell Quenching NUCLEAR REACTIONS Be(48Ca, X)37Al/39Al/40Si, E=345 MeV/nucleon; C(40Si, 38Mg), E=226 MeV/nucleon; C(39Al, 38Mg), E=219 MeV/nucleon; measured reaction products, Eγ, Iγ. 34,36,38Mg; deduced level energies, J, π, E(4+)/E(2+) ratios. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.111.212502
2012KA36 Phys.Rev. C 86, 054319 (2012) D.Kameda, T.Kubo, T.Ohnishi, K.Kusaka, A.Yoshida, K.Yoshida, M.Ohtake, N.Fukuda, H.Takeda, K.Tanaka, N.Inabe, Y.Yanagisawa, Y.Gono, H.Watanabe, H.Otsu, H.Baba, T.Ichihara, Y.Yamaguchi, M.Takechi, S.Nishimura, H.Ueno, A.Yoshimi, H.Sakurai, T.Motobayashi, T.Nakao, Y.Mizoi, M.Matsushita, K.Ieki, N.Kobayashi, K.Tanaka, Y.Kawada, N.Tanaka, S.Deguchi, Y.Satou, Y.Kondo, T.Nakamura, K.Yoshinaga, C.Ishii, H.Yoshii, Y.Miyashita, N.Uematsu, Y.Shiraki, T.Sumikama, J.Chiba, E.Ideguchi, A.Saito, T.Yamaguchi, I.Hachiuma, T.Suzuki, T.Moriguchi, A.Ozawa, T.Ohtsubo, M.A.Famiano, H.Geissel, A.S.Nettleton, O.B.Tarasov, D.Bazin, B.M.Sherrill, S.L.Manikonda, J.A.Nolen Observation of new microsecond isomers among fission products from in-flight fission of 345 MeV/nucleon 238U NUCLEAR REACTIONS 9Be(238U, F)43S/50K/54Sc/56Sc/59Ti/60V/64Mn/67Fe/76Ni/75Cu/78Zn/82Ga/90As/92Se/93Se/ 92Br/94Br/95Br/96Br/95Kr/96Rb/97Rb/98Rb/97Sr/100Sr/101Y/106Nb/108Nb/109Nb/108Zr/109Mo/112Tc/113Tc/117Ru/119Ru/120Rh/122Rh/121Pd/124Pd/124Ag/125Ag/126Ag/125Cd/127Cd, 128Cd/130Cd/129In/130In/131In/130Sn/131Sn/132Sn/134Sn/136Sb, E=345 MeV/nucleon; measured fission fragment spectra, time of flight, energy loss, magnetic rigidity, Eγ, Iγ, γγ-coin, (fragment)γ-correlations, delayed γ spectra, isomer half-lives by γ(t) using BigRIPS separator and ZeroDegree spectrometer at RIBF, RIKEN accelerator complex. RADIOACTIVITY 43S, 50K, 54,56Sc, 59Ti, 60V, 64Mn, 67Fe, 76Ni, 75Cu, 78Zn, 82Ga, 90As, 92,93Se, 92,94,95,96Br, 95Kr, 96,97,98Rb, 97,100Sr, 101Y, 106,108,109Nb, 108Zr, 109Mo, 112,113Tc, 117,119Ru, 120,122Rh, 121,124Pd, 124,125,126Ag, 125,127,128,130Cd, 129,130,131In, 130,131,132,134Sn, 136Sb(IT)[from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, (fragment)γ-correlations, delayed γ spectra, isomer half-lives by γ(t) using BigRIPS separator and ZeroDegree spectrometer at RIBF, RIKEN accelerator complex; deduced levels, J, π, shape isomers, multipolarity, configuration. Comparison with previous studies.
doi: 10.1103/PhysRevC.86.054319
2012KO38 Phys.Rev. C 86, 054604 (2012) N.Kobayashi, T.Nakamura, J.A.Tostevin, Y.Kondo, N.Aoi, H.Baba, S.Deguchi, J.Gibelin, M.Ishihara, Y.Kawada, T.Kubo, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, H.Sakurai, Y.Satou, E.C.Simpson, T.Sumikama, H.Takeda, M.Takechi, S.Takeuchi, K.N.Tanaka, N.Tanaka, Y.Togano, K.Yoneda One- and two-neutron removal reactions from the most neutron-rich carbon isotopes NUCLEAR REACTIONS C(19C, 18C), (20C, 19C), (20C, 18C), (22C, 21C), (22C, 20C), [19,20,22C secondary beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction], E=240 MeV/nucleon; measured particle spectra, time of flight, energy loss, magnetic rigidity, parallel momentum distributions, one- and two-neutron removal inclusive cross sections using BigRIPS and zero-degree spectrometer (ZDS) at RIBF, RIKEN facility. 18,19,20,21C; calculated levels, J, π, L-transfers, spectroscopic factors, σ using shell-model. Eikonal-model calculations combined with shell-model structure information. 22C; deduced two neutron halo nucleus with a dominant νs1/22 ground-state configuration.
doi: 10.1103/PhysRevC.86.054604
2012TA20 Phys.Rev.Lett. 109, 182501 (2012) S.Takeuchi, M.Matsushita, N.Aoi, P.Doornenbal, K.Li, T.Motobayashi, H.Scheit, D.Steppenbeck, H.Wang, H.Baba, D.Bazin, L.Caceres, H.Crawford, P.Fallon, R.Gernhauser, J.Gibelin, S.Go, S.Grevy, C.Hinke, C.R.Hoffman, R.Hughes, E.Ideguchi, D.Jenkins, N.Kobayashi, Y.Kondo, R.Krucken, T.Le Bleis, J.Lee, G.Lee, A.Matta, S.Michimasa, T.Nakamura, S.Ota, M.Petri, T.Sako, H.Sakurai, S.Shimoura, K.Steiger, K.Takahashi, M.Takechi, Y.Togano, R.Winkler, K.Yoneda Well Developed Deformation in 42Si NUCLEAR REACTIONS C(44S, 42Si), (40S, 38Si), E=210 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ coin. 38,40,42Si; deduced energy levels, J, π, rapid deformation development of Si isotopes. Comparison with available data.
doi: 10.1103/PhysRevLett.109.182501
2012TO06 Phys.Rev.Lett. 108, 222501 (2012) Y.Togano, Y.Yamada, N.Iwasa, K.Yamada, T.Motobayashi, N.Aoi, H.Baba, S.Bishop, X.Cai, P.Doornenbal, D.Fang, T.Furukawa, K.Ieki, T.Kawabata, S.Kanno, N.Kobayashi, Y.Kondo, T.Kuboki, N.Kume, K.Kurita, M.Kurokawa, Y.G.Ma, Y.Matsuo, H.Murakami, M.Matsushita, T.Nakamura, K.Okada, S.Ota, Y.Satou, S.Shimoura, R.Shioda, K.N.Tanaka, S.Takeuchi, W.Tian, H.Wang, J.Wang, K.Yoneda Hindered Proton Collectivity in 2816S12: Possible Magic Number at Z=16 NUCLEAR REACTIONS Pb(28S, 28S'), (28Mg, 28Mg') E=53 MeV/nucleon; measured reaction products, Eγ, Iγ. 28S, 28Mg; deduced level energy, σ(θ), B(E2), deformation parameters. Comparison with available data, 36Ar secondary beams.
doi: 10.1103/PhysRevLett.108.222501
2012TS03 Phys.Rev.Lett. 102, 022501 (2012) K.Tshoo, Y.Satou, H.Bhang, S.Choi, T.Nakamura, Y.Kondo, S.Deguchi, Y.Kawada, N.Kobayashi, Y.Nakayama, K.N.Tanaka, N.Tanaka, N.Aoi, M.Ishihara, T.Motobayashi, H.Otsu, H.Sakurai, S.Takeuchi, Y.Togano, K.Yoneda, Z.H.Li, F.Delaunay, J.Gibelin, F.M.Marques, N.A.Orr, T.Honda, M.Matsushita, T.Kobayashi, Y.Miyashita, T.Sumikama, K.Yoshinaga, S.Shimoura, D.Sohler, T.Zheng, Z.X.Cao N=16 Spherical Shell Closure in 24O NUCLEAR REACTIONS 1H(24O, np)23O, E=62 MeV/nucleon; measured reaction products, En, In. 24O; deduced energy, J, π of the first excited state, σ, quadrupole deformation parameter. Comparison with nuclear shell model, experimental data.
doi: 10.1103/PhysRevLett.109.022501
2011NI01 Phys.Rev.Lett. 106, 052502 (2011) S.Nishimura, Z.Li, H.Watanabe, K.Yoshinaga, T.Sumikama, T.Tachibana, K.Yamaguchi, M.Kurata-Nishimura, G.Lorusso, Y.Miyashita, A.Odahara, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, T.Nakano, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, H.J.Ong, S.Ota, Zs.Podolyak, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi β-Decay Half-Lives of Very Neutron-Rich Kr to Tc Isotopes on the Boundary of the r-Process Path: An Indication of Fast r-Matter Flow RADIOACTIVITY 97,98,99,100Kr(β-), 97,98,99,100,101,102Rb(β-), 101,102,103,104,105Sr, 103,104,105,106,107,108Y(β-), 108,109,110Zr(β-), 111,112Nb(β-), 112,113,114,115Mo(β-), 116,117Tc(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Ee, Ie; deduced T1/2. Comparison with FRDM+QRPA, KTUY+GT2 model calculations, astrophysical r-process path.
doi: 10.1103/PhysRevLett.106.052502
2011SA57 J.Korean Phys.Soc. 59, 1467s (2011) Y.Satou, K.Tshoo, H.C.Bhang, S.H.Choi, T.Nakamura, Y.Kondo, Y.Nakayama, N.Kobayashi, K.N.Tanaka, S.Deguchi, Y.Kawada, N.Tanaka, T.Sugimoto, T.Motobayashi, H.Sakurai, H.Otsu, N.Aoi, Y.Yanagisawa, S.Takeuchi, N.Fukuda, K.Yoneda, Y.Togano, H.J.Ong, S.Shimoura, T.Kobayashi, Y.Matsuda, M.Matsushita, T.Honda, T.Sumikama, Y.Miyashita, K.Yoshinaga, N.A.Orr, F.M.Marques, J.Gibelin, F.Delaunay, D.Sohler, T.Zheng, Z.H.Li, Z.X.Cao, M.Ishihara Invariant Mass Spectroscopy for the Neutron Rich Nuclei NUCLEAR REACTIONS 1H(14Be, 14Be'), (14Be, 14B), (17C, 17C'), (17C, 17N), (19C, 19C'), (19C, 19N), E=70 MeV/nucleon; measured reaction products; deduced σ(θ); calculated σ(θ) using DWBA.
doi: 10.3938/jkps.59.1467
2011SU11 Phys.Rev.Lett. 106, 202501 (2011) T.Sumikama, K.Yoshinaga, H.Watanabe, S.Nishimura, Y.Miyashita, K.Yamaguchi, K.Sugimoto, J.Chiba, Z.Li, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, S.Takano, A.Takashima, K.Tajiri, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Structural Evolution in the Neutron-Rich Nuclei 106Zr and 108Zr RADIOACTIVITY 106,108Zr, 104,105,106Y(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured time correlations, Eγ, Iγ; deduced first 2+ and 4+ states energies, J, π, ground state deformation in 106,108Zr, T1/2 for a new isomer in 108Zr and 106Y. Comparison with 1/E(2+) systematics for Kr, Sr, Zr, Mo, Ru, Pd, Cd, Sn isotopes.
doi: 10.1103/PhysRevLett.106.202501
2011TO15 J.Phys.:Conf.Ser. 312, 042025 (2011) Y.Togano, T.Motobayashi, N.Aoi, H.Baba, S.Bishop, X.Cai, P.Doornenbal, D.Fang, T.Furukawa, K.Ieki, N.Iwasa, T.Kawabata, S.Kanno, N.Kobayashi, Y.Kondo, T.Kuboki, N.Kume, K.Kurita, M.Kurokawa, Y.G.Ma, Y.Matsuo, H.Murakami, M.Matsushita, T.Nakamura, K.Okada, S.Ota, Y.Satou, S.Shimoura, R.Shioda, K.N.Tanaka, S.Takeuchi, W.Tian, H.Wang, J.Wang, K.Yamada, Y.Yamada, K.Yoneda Experimental Investigation of the Stellar Reaction 30S(p, γ)31Cl via Coulomb Dissociation NUCLEAR REACTIONS 208Pb(31Cl, p30S), E=58 MeV/nucleon; measured Coulomb excitation dissociation E(products), I(θ, products), Eγ, Iγ, (Cl)γ-coin; deduced Doppler-corrected γ spectrum, 31Cl dissociation spectrum.
doi: 10.1088/1742-6596/312/4/042025
2011TS08 J.Korean Phys.Soc. 59, 1529s (2011) K.Tshoo, Y.Satou, T.Nakamura, N.Aoi, H.C.Bhang, S.Choi, S.Deguchi, F.Delaunay, J.Gibelin, T.Honda, M.Ishihara, Y.Kawada, Y.Kondo, T.Kobayashi, N.Kobayashi, F.M.Marques, M.Matsushita, Y.Miyashita, T.Motobayashi, Y.Nakayama, N.A.Orr, H.Otsu, H.Sakurai, S.Shimoura, D.Sohler, T.Sumikama, S.Takeuchi, K.N.Tanaka, N.Tanaka, Y.Togano, K.Yoneda, K.Yoshinaga, T.Zheng, Z.H.Li, Z.X.Cao Measurement of Unbound Excited States of 24O NUCLEAR REACTIONS 1H(24O, 24O'), E=63 MeV/nucleon; measured En, In, oxygen fragments, (fragment)n-coin. 24O deduced decay energy spectrum, low-lying levels, J, π, resonance state at 750 keV.
doi: 10.3938/jkps.59.1529
2011TS10 J.Phys.:Conf.Ser. 312, 092059 (2011) K.Tshoo, Y.Satou, T.Nakamura, N.Aoi, H.C.Bhang, S.Choi, S.Deguchi, F.Delaunay, J.Gibelin, T.Honda, M.Ishihara, Y.Kawada, Y.Kondo, T.Kobayashi, N.Kobayashi, F.M.Marques, M.Matsushita, Y.Miyashita, T.Motobayashi, Y.Nakayama, N.A.Orr, H.Otsu, H.Sakurai, S.Shimoura, D.Sohler, T.Suniikama, S.Takeuchi, K.N.Tanaka, N.Tanaka, Y.Togano, K.Yoneda, K.Yoshinaga, T.Zheng, Z.H.Li, Z.X.Cao The first 2+ excited state of 24O NUCLEAR REACTIONS 1H(24O, 24O'), (24O, X), E=63 MeV/nucleon; measured En, In(θ), reaction fragments, (fragment)n-coin. 24O deduced first unbound excited state energy, neutron decay spectrum. Compared with published shell model calculations.
doi: 10.1088/1742-6596/312/9/092059
2011WA03 Phys.Lett. B 696, 186 (2011) H.Watanabe, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Yamaguchi, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, M.Kurata-Nishimura, A.Odahara, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, Y.Shi, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, F.R.Xu, H.Yamaguchi Low-lying level structure of the neutron-rich nucleus 109Nb: A possible oblate-shape isomer NUCLEAR REACTIONS Be(238U, X)109Nb/109Zr, E=345 MeV/nucleon; measured fission fragments, Eγ, Iγ, β-γ-coin.; deduced level scheme, J, π, T1/2 for isomeric state in 109Nb, B(E1), B(M1), B(E2), B(M2), low-lying oblate-deformed states. Nilsson diagrams, calculation of potential energy surfaces.
doi: 10.1016/j.physletb.2010.12.028
2011WA26 Phys.Lett. B 704, 270 (2011) H.Watanabe, K.Yamaguchi, A.Odahara, T.Sumikama, S.Nishimura, K.Yoshinaga, Z.Li, Y.Miyashita, K.Sato, L.Prochniak, H.Baba, J.S.Berryman, N.Blasi, A.Bracco, F.Camera, J.Chiba, P.Doornenbal, S.Go, T.Hashimoto, S.Hayakawa, C.Hinke, N.Hinohara, E.Ideguchi, T.Isobe, Y.Ito, D.G.Jenkins, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, S.Kubono, G.Lorusso, T.Nakano, T.Nakatsukasa, M.Kurata-Nishimura, H.J.Ong, S.Ota, Zs.Podolyak, H.Sakurai, H.Scheit, K.Steiger, D.Steppenbeck, K.Sugimoto, K.Tajiri, S.Takano, A.Takashima, T.Teranishi, Y.Wakabayashi, P.M.Walker, O.Wieland, H.Yamaguchi Development of axial asymmetry in the neutron-rich nucleus 110Mo RADIOACTIVITY 110Nb(β-) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, X-rays. 110Mo; deduced energy levels, J, π, quasi-γ-band state, B(e2) ratio. Comparison with general Bohr Hamiltonian method calculations, systematics of low-lying levels of even-even Mo nuclei. NUCLEAR STRUCTURE 104,106,108,110Mo; calculated moments of inertia, potential energy surface, the nuclear landscape. General Bohr Hamiltonian method calculations.
doi: 10.1016/j.physletb.2011.09.050
2010DO05 Phys.Rev. C 81, 041305 (2010) P.Doornenbal, H.Scheit, N.Kobayashi, N.Aoi, S.Takeuchi, K.Li, E.Takeshita, Y.Togano, H.Wang, S.Deguchi, Y.Kawada, Y.Kondo, T.Motobayashi, T.Nakamura, Y.Satou, K.N.Tanaka, H.Sakurai Exploring the "island of inversion" by in-beam γ-ray spectroscopy of the neutron-rich sodium isotopes 31, 32, 33Na NUCLEAR REACTIONS C(32Na, 32Na'), (33Na, 33Na'), (32Na, 31Na), (34Na, 33Na), E AP 240 MeV/nucleon; measured Eγ, Iγ, γγ-coin using DALI2 array. 31Na, 32Na, 33Na; deduced levels, J, π, configurations and relevance to island of inversion nuclei. Comparison with shell-model calculations and level systematics of 21,23,25,27,29,31,33Na nuclei.
doi: 10.1103/PhysRevC.81.041305
2010OH02 J.Phys.Soc.Jpn. 79, 073201 (2010) T.Ohnishi, T.Kubo, K.Kusaka, A.Yoshida, K.Yoshida, M.Ohtake, N.Fukuda, H.Takeda, D.Kameda, K.Tanaka, N.Inabe, Y.Yanagisawa, Y.Gono, H.Watanabe, H.Otsu, H.Baba, T.Ichihara, Y.Yamaguchi, M.Takechi, S.Nishimura, H.Ueno, A.Yoshimi, H.Sakurai, T.Motobayashi, T.Nakao, Y.Mizoi, M.Matsushita, K.Ieki, N.Kobayashi, K.Tanaka, Y.Kawada, N.Tanaka, S.Deguchi, Y.Satou, Y.Kondo, T.Nakamura, K.Yoshinaga, C.Ishii, H.Yoshii, Y.Miyashita, N.Uematsu, Y.Shiraki, T.Sumikama, J.Chiba, E.Ideguchi, A.Saito, T.Yamaguchi, I.Hachiuma, T.Suzuki, T.Moriguchi, A.Ozawa, T.Ohtsubo, M.A.Famiano, H.Geissel, A.S.Nettleton, O.B.Tarasov, D.P.Bazin, B.M.Sherrill, S.L.Manikonda, J.A.Nolen Identification of 45 New Neutron-Rich Isotopes Produced by In-Flight Fission of a 238U Beam at 345 MeV/nucleon NUCLEAR REACTIONS Be, Pb(238U, F), E=345 MeV/nucleon; measured yields of fission fragments. Z=20-56, A=52-152; measured yields. 71Mn, 73,74Fe, 76Co, 79Ni, 81,82Cu, 84,85Zn, 87Ga, 90Ge, 95Se, 98Br, 101Kr, 103Rb, 106,107Sr, 108,109Y, 111,112Zr, 114,115Nb, 115,116,117Mo, 119,120Tc, 121,122,123,124Ru, 123,124,125,126Rh, 127,128Pd, 133Cd, 138Sn, 140Sb, 143Te, 145I, 148Xe, 152Ba; measured yields and cross sections, identified new isotopes using RI beam factory at RIKEN, ΔE-TOF-Bρ method.
doi: 10.1143/JPSJ.79.073201
2009DO10 Phys.Rev.Lett. 103, 032501 (2009) P.Doornenbal, H.Scheit, N.Aoi, S.Takeuchi, K.Li, E.Takeshita, H.Wang, H.Baba, S.Deguchi, N.Fukuda, H.Geissel, R.Gernhauser, J.Gibelin, I.Hachiuma, Y.Hara, C.Hinke, N.Inabe, K.Itahashi, S.Itoh, D.Kameda, S.Kanno, Y.Kawada, N.Kobayashi, Y.Kondo, R.Krucken, T.Kubo, T.Kuboki, K.Kusaka, M.Lantz, S.Michimasa, T.Motobayashi, T.Nakamura, T.Nakao, K.Namihira, S.Nishimura, T.Ohnishi, M.Ohtake, N.A.Orr, H.Otsu, K.Ozeki, Y.Satou, S.Shimoura, T.Sumikama, M.Takechi, H.Takeda, K.N.Tanaka, K.Tanaka, Y.Togano, M.Winkler, Y.Yanagisawa, K.Yoneda, A.Yoshida, K.Yoshida, H.Sakurai Spectroscopy of 32Ne and the "Island of Inversion" NUCLEAR REACTIONS C(32Ne, 32Ne'), E=226 MeV/nucleon; 32Ne; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation; deduced level energy, J, π. Secondary beams from 48Ca fragmentation.
doi: 10.1103/PhysRevLett.103.032501
2009NA39 Phys.Rev.Lett. 103, 262501 (2009) T.Nakamura, N.Kobayashi, Y.Kondo, Y.Satou, N.Aoi, H.Baba, S.Deguchi, N.Fukuda, J.Gibelin, N.Inabe, M.Ishihara, D.Kameda, Y.Kawada, T.Kubo, K.Kusaka, A.Mengoni, T.Motobayashi, T.Ohnishi, M.Ohtake, N.A.Orr, H.Otsu, T.Otsuka, A.Saito, H.Sakurai, S.Shimoura, T.Sumikama, H.Takeda, E.Takeshita, M.Takechi, S.Takeuchi, K.Tanaka, K.N.Tanaka, N.Tanaka, Y.Togano, Y.Utsuno, K.Yoneda, A.Yoshida, K.Yoshida Halo Structure of the Island of Inversion Nucleus 31Ne NUCLEAR REACTIONS Pb, C(31Ne, 30Ne), (19C, 18C) E=230-243 MeV/nucleon; 31Ne, 19C; measured reaction fragments; deduced inclusive one-neutron removal σ, soft E1 excitations for 31Ne, B(E1). Secondary beams from 48Ca fragmentation.
doi: 10.1103/PhysRevLett.103.262501
1995OS05 Phys.Rev. C52, 3492 (1995); Erratum Phys.Rev. C55, 1604 (1997) M.Oshima, T.Morikawa, Y.Hatsukawa, S.Ichikawa, N.Shinohara, M.Matsuo, H.Kusakari, N.Kobayashi, M.Sugawara, T.Inamura Two-Phonon γ-Vibrational State in 168Er NUCLEAR REACTIONS 168Er(74Ge, 74Ge'), E=295 MeV; measured Iγ, Eγ, pγ(θ) following Coulomb excitation. 168Er levels deduced B(E2), configuration.
doi: 10.1103/PhysRevC.52.3492
1993OS05 Nucl.Phys. A557, 635c (1993) M.Oshima, T.Morikawa, H.Kusakari, N.Kobayashi, M.Sugawara, Y.H.Zhang, A.Ferragut, S.Ichikawa, N.Shinohara, Y.Nagame, M.Shibata, Y.Gono, T.Inamura Double-γ Vibrational States in 168Er and 192Os NUCLEAR REACTIONS 168Er(74Ge, 74Ge'), E=295 MeV; 192Os(58Ni, 58Ni'), E=240 MeV; measured γ(particle)-coin following Coulomb excitation. 168Er, 192Os deduced levels, J, π, B(λ), ratios.
doi: 10.1016/0375-9474(93)90575-I
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