NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.Go Found 55 matches. 2023CR03 Nucl.Instrum.Methods Phys.Res. A1055, 168525 (2023) B.P.Crider, C.J.Prokop, S.N.Liddick, H.M.Albers, M.Alshudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu New method for level-lifetime measurements with thick scintillators NUCLEAR REACTIONS 9Be(76Ge, X)68Ni/68Zn/69Ni/70Ni, E=140 MeV/nucleon; measured reaction products, Eγ, Iγ, Eβ, Iβ, βγ-coin.; deduced γ-ray energies, level T1/2. Comparison with available data. The National Superconducting Cyclotron Laboratory (NSCL), the coupled cyclotron facility.
doi: 10.1016/j.nima.2023.168525
2023MI08 Prog.Theor.Exp.Phys. 2023, 053H01 (2023) Ru.Mizuno, M.Niikura, T.Ikeda, T.Matsuzaki, S.Go, T.Y.Saito, S.Michimasa, H.Sakurai Response of germanium detectors for high-energy γ-rays by 27Al(p, γ)28Si at Ep = 992 keV NUCLEAR REACTIONS 27Al(p, γ), E=992 keV; measured reaction products, Eγ, Iγ; deduced γ-ray spectra, the absolute photo peak detector efficiencies using the energy reference from NNDC. The RIKEN tandem accelerator.
doi: 10.1093/ptep/ptad055
2023WO01 Phys.Rev. C 107, 034303 (2023) M.Wolinska-Cichocka, B.C.Rasco, K.P.Rykaczewski, N.T.Brewer, A.Fijalkowska, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, S.Go, B.Heffron, J.Johnson, T.T.King, J.T.Matta, K.Miernik, M.Madurga, E.A.McCutchan, D.Miller, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, S.Taylor, A.A.Sonzogni, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Complete β-decay patterns of 142Cs, 142Ba, and 142La determined using total absorption spectroscopy RADIOACTIVITY 142La, 142Ba, 142Cs(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ, γβ-coin, total absorption spectra; deduced T1/2, average gamma energy per decay, β-feeding intensities, decay patterns, σ for the detection of reactor antineutrinos. 142Cs(β-n); deduced β-delayed neutron branching ratio. Comparison with other experimental values and ENSDF evaluation. Modular Total Absorption Spectrometer (MTAS) array of 19 NaI(Tl) coupled with auxiliary Si-strip detectors at the mass separator and Tandem accelerator at Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.107.034303
2023YO04 Phys.Rev. C 108, 064307 (2023) R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa-Silkowska, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu β-delayed neutron emissions from N>50 gallium isotopes
doi: 10.1103/PhysRevC.108.064307
2022KI23 Astrophys.J. 936, 107 (2022) G.G.Kiss, A.Vitez-Sveiczer, Y.Saito, A.Tarifeno-Saldivia, M.Pallas, J.L.Tain, I.Dillmann, J.Agramunt, A.Algora, C.Domingo-Pardo, A.Estrade, C.Appleton, J.M.Allmond, P.Aguilera, H.Baba, N.T.Brewer, C.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, N.Fukuda, Z.Ge, S.Go, C.J.Griffin, R.K.Grzywacz, O.Hall, A.Horvath, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, T.T.King, A.Korgul, S.Kovacs, R.Krucken, S.Kubono, M.Labiche, J.Liu, J.Liang, M.Madurga, K.Miernik, F.Molina, A.I.Morales, M.R.Mumpower, E.Nacher, A.Navarro, N.Nepal, S.Nishimura, M.Piersa-Silkowska, V.Phong, B.C.Rasco, B.Rubio, K.P.Rykaczewski, J.Romero-Barrientos, H.Sakurai, L.Sexton, Y.Shimizu, M.Singh, T.Sprouse, T.Sumikama, R.Surman, H.Suzuki, T.N.Szegedi, H.Takeda, A.Tolosa, K.Wang, M.Wolinska-Cichocka, P.Woods, R.Yokoyama, Z.Xu Measuring the β-decay Properties of Neutron-rich Exotic Pm, Sm, Eu, and Gd Isotopes to Constrain the Nucleosynthesis Yields in the Rare-earth Region NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, TOF, Eβ, Iβ. 159,160,161,162,163,164,165,166Pm, 161,162,163,164,165,166,167,168Sm, 165,166,167,168,169,170Eu, 167,168,169,170,171,172Gd; deduced new isotopes T1/2 and β-delayed neutron emission probabilities, relative r-process abundance pattern for the neutron-star merger scenario. RIKEN Nishina Center, the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.
doi: 10.3847/1538-4357/ac80fc
2022PH01 Phys.Rev.Lett. 129, 172701 (2022) V.H.Phong, S.Nishimura, G.Lorusso, T.Davinson, A.Estrade, O.Hall, T.Kawano, J.Liu, F.Montes, N.Nishimura, R.Grzywacz, K.P.Rykaczewski, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, M.Piersa-Silkowska, V.F.E.Pucknell, B.C.Rasco, B.Rubio, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado β-Delayed One and Two Neutron Emission Probabilities Southeast of 132Sn and the Odd-Even Systematics in r-Process Nuclide Abundances NUCLEAR REACTIONS 9Be(238U, F)121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/126Ag/127Ag/128Ag/129Ag/130Ag/131Ag/129Cd/130Cd/131Cd/132Cd/133Cd/134Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Sb, E=345 MeV/nucleon; measured fission fragments using BigRIPS and ZeroDegree spectrometers at RIBF-RIKEN facility for separation of fragments by A/Q and Z through measurements of time-of-flight (TOF), magnetic rigidity (Bρ) and energy loss (ΔE); deduced A/Q versus Z particle identification plots. RADIOACTIVITY 129,130,131Ag, 130,131,132,133Cd, 134Cd, 131,132,133,134,135,136In, 134,135,136,137,138,139Sn(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon]; measured implanted ions, neutrons, β, γ, (implants)β-, (implants)β(1n)- and (implants)β(2n)-correlations, T1/2 of decays of ground states using BRIKEN neutron counter with 140 3He-filled proportional counters, AIDA array of DSSSDs for implants and β decays, two Clover HPGe detectors for γ radiation, and two thick plastic scintillators; deduced T1/2, %β-n or Pn, %β-2n or P2n from simultaneous fits of β-, β-1n and β-2n-decay curves. Comparison with previous experimental results, and with theoretical predictions from quasiparticle random-phase approximation (QRPA), based on finite range droplet model (FRDM) and the relativistic Hartree-Bogoliubov (RHB) plus proton-neutron QRPA (pnQRPA).
doi: 10.1103/PhysRevLett.129.172701
2022SH20 Phys.Rev. C 105, 054312 (2022) P.Shuai, B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, M.Cooper, K.C.Goetz, J.W.Johnson, C.U.Jost, T.T.King, J.T.Matta, J.H.Hamilton, A.Laminack, K.Miernik, M.Madurga, D.Miller, C.D.Nesaraja, S.Padgett, S.V.Paulauskas, M.M.Rajabali, T.Ruland, M.Stepaniuk, E.H.Wang, J.A.Winger Determination of β-decay feeding patterns of 88Rb and 88Kr using the Modular Total Absorption Spectrometer at ORNL HRIBF RADIOACTIVITY 88Rb(β-), 88Kr(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ; deduced β-intensities, ground state feedings in β-decay. 88Rb; deduced T1/2. Pandemonium effect free measurements. Comparison to other experimental data. Modular Total Absorption Spectrometer (MTAS) NaI(Tl) detector array at Holifield Radioactive Ion Beam Facility (HRIBF) at the Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.105.054312
2022WU18 Phys.Rev. C 106, 064328 (2022) J.Wu, S.Nishimura, P.-A.Soderstrom, A.Algora, J.J.Liu, V.H.Phong, Y.Q.Wu, F.R.Xu, J.Agramunt, D.S.Ahn, T.A.Berry, C.G.Bruno, J.J.Bundgaard, R.Caballero-Folch, A.C.Dai, T.Davinson, I.Dillmann, A.Estrade, A.Fijalkowska, N.Fukuda, S.Go, R.K.Grzywacz, T.Isobe, S.Kubono, G.Lorusso, K.Matsui, A.I.Morales, N.Nepal, S.E.A.Orrigo, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado, M.Wolinska-Cichocka, R.Yokoyama First observation of isomeric states in 111Zr, 113Nb, and 115Mo NUCLEAR REACTIONS 235U(9Be, X)111mZr/113mNb/115mMo, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, (fragment)γ-coin; deduced isomeric ratios. 111Zr, 113Nb, 115Mo; deduced isomeric states energy, transition energies. 115Mo; deduced levels, relative γ-transition intensities. Large-acceptance BigRIPS and ZeroDegree spectrometers coupled with HPGe clover-type detectors at RIBF. RADIOACTIVITY 111Zr, 113Nb, 115Mo(IT)[from 235U(9Be, X), E=345 MeV/nucleon]; measured Eγ, Iγ; deduced T1/2 for isomeric states decay, reduced transition probabilities for transitions depopulating the isomeric state by assuming different multipolarities.
doi: 10.1103/PhysRevC.106.064328
2021GO09 Phys.Rev. C 103, 034327 (2021) S.Go, E.Ideguchi, R.Yokoyama, N.Aoi, F.Azaiez, K.Furutaka, Y.Hatsukawa, A.Kimura, K.Kisamori, M.Kobayashi, F.Kitatani, M.Koizumi, H.Harada, I.Matea, S.Michimasa, H.Miya, S.Nakamura, M.Niikura, H.Nishibata, N.Shimizu, S.Shimoura, T.Shizuma, M.Sugawara, D.Suzuki, M.Takaki, Y.Toh, Y.Utsuno, D.Verney, A.Yagi High-spin states in 35S NUCLEAR REACTIONS 26Mg(18O, n2α)35S, E=80 MeV; measured Eγ, Iγ, γγ-coin, (particle)γγ-coin, γγ(θ)(ADO) using GEMINI-II array with the BGO Compton suppressors at JAEA tandem accelerator facility, and ORGAM array with BGO anti-Compton suppressors at ALTO-Tandem facility. 35S; deduced high-spin levels, J, π, multipolarities; calculated levels, J, π, B(M1), B(E2) using large-scale shell-model calculations with SDPF-MSD4 interaction, and compared with experimental data.
doi: 10.1103/PhysRevC.103.034327
2021HA19 Phys.Lett. B 816, 136266 (2021) O.Hall, T.Davinson, A.Estrade, J.Liu, G.Lorusso, F.Montes, S.Nishimura, V.H.Phong, P.J.Woods, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, R.Grzywacz, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, M.R.Mumpower, N.Nepal, R.D.Page, M.Piersa, V.F.E.Pucknell, B.C.Rasco, B.Rubio, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado, M.Wolinska-Cichocka, R.Yokoyama β-delayed neutron emission of r-process nuclei at the N = 82 shell closure RADIOACTIVITY 115,116Tc, 116,117,118,119,120,121Ru, 118,119,120,121,122,123,124Rh, 121,122,123,124,125,126,127,128Pd, 124,125,126,127,128,129Ag, 127,128,129,130Cd(β-n) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, En, In; deduced β-delayed neutron emission probabilities, T1/2. RIKEN using the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.
doi: 10.1016/j.physletb.2021.136266
2021OR01 Phys.Rev. C 103, 014324 (2021) S.E.A.Orrigo, B.Rubio, W.Gelletly, P.Aguilera, A.Algora, A.I.Morales, J.Agramunt, D.S.Ahn, P.Ascher, B.Blank, C.Borcea, A.Boso, R.B.Cakirli, J.Chiba, G.de Angelis, G.de France, F.Diel, P.Doornenbal, Y.Fujita, N.Fukuda, E.Ganioglu, M.Gerbaux, J.Giovinazzo, S.Go, T.Goigoux, S.Grevy, V.Guadilla, N.Inabe, G.G.Kiss, T.Kubo, S.Kubono, T.Kurtukian-Nieto, D.Lubos, C.Magron, F.Molina, A.Montaner-Piza, D.Napoli, D.Nishimura, S.Nishimura, H.Oikawa, V.H.Phong, H.Sakurai, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, Y.Takei, M.Tanaka, J.Wu, S.Yagi β decay of the very neutron-deficient 60Ge and 62Ge nuclei RADIOACTIVITY 59Zn, 60Ga, 60,62Ge(EC), (β+); 62Ge(β+p)[60,62Ge activities from 9Be(78Kr, X), E=345 MeV/nucleon at RIBF-RIKEN]; measured Eγ, Iγ, Ep, Ip, β+γ-, β+pγ- and γγ-coin, γ(implants)- and p(implants)-correlations, half-lives of decays of 60Ga, 60,62Ge using the WAS3ABi and EURICA arrays. 60Ge; deduced β+-delayed proton branching ratio. 60,62Ga, 59,60Zn, 59Cu; deduced levels, J, π, β feedings, Fermi and B(F) and Gamow-Teller B(GT) transition strengths, mass excesses of 60,62Ge, and 60Ga by analysis of IMME for A=60 nuclei. Comparison with previous experimental data. NUCLEAR REACTIONS 9Be(78Kr, X), E=345 MeV/nucleon; measured reaction products, Z versus A/Q identification plot for nuclei of Z=28-36 and A/Q=1.85-1.95, with fragments separated using the BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility, with main emphasis on the production of 60,62Ge.
doi: 10.1103/PhysRevC.103.014324
2021YO08 Phys.Rev. C 104, L021303 (2021) R.Yokoyama, E.Ideguchi, G.S.Simpson, M.Tanaka, Y.Sun, C.-J.Lv, Y.-X.Liu, L.-J.Wang, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, F.Browne, R.Daido, Y.Fang, N.Fukuda, A.Gottardo, G.Gey, S.Go, S.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, I.Kojouharov, T.Komatsubara, T.Kubo, N.Kurz, I.Kuti, Z.Li, M.Matsushita, S.Michimasa, C.B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, Z.Patel, S.Rice, E.Sahin, H.Sakurai, H.Schaffner, L.Sinclair, H.Suzuki, H.Takeda, J.Taprogge, Zs.Vajta, H.Watanabe, A.Yagi Three-quasiparticle isomers in odd-even 159, 161Pm: Calling for modified spin-orbit interaction for the neutron-rich region RADIOACTIVITY 159,161Pm(IT)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fission fragments using the BigRIPS in-flight separator and implantation of fragments in WAS3ABi setup at RIBF-RIKEN facility]; measured Eγ, Iγ, γγ-coin, half-lives of the isomers by γ(t) using the EURICA array of 12 EUROBALL clusters. 159,161Pm; deduced high-spin levels, J, π, bands, 2-quasiparticle Nilsson configurations for the isomeric states, and 3-quasiparticle configurations from theory, existence of the deformed N=98 subshell gap in odd-mass nuclei. Comparison with projected shell model (PSM) calculations. Discussed modification of strength of spin-orbit interactions in standard Nilsson parameters for neutron-rich rare-earth nuclei around A=165.
doi: 10.1103/PhysRevC.104.L021303
2020CI04 Phys.Rev. C 101, 034305 (2020) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, T.Roginski, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao, H.Schatz, P.Sarriguren First identification of 58Zn β-delayed proton emission RADIOACTIVITY 57,58Zn(β+), (β+p)[from 9Be(78Kr, X), followed by separation of fragments using A1900 separator]; measured reaction products, Ep, Ip, β-delayed proton branching ratio, half-life of 57Zn decay using the Warsaw Optical Time Projection Chamber (OTPC) with energy loss and time-of-flight method for particle identification at the NSCL-MSU facility. 58Cu; deduced levels, J, π, β+p branching ratios, B(GT) for 1+ states. Comparison with experimental B(GT) values from 58Ni(3He, t)58Cu reaction, and with QRPA calculations.
doi: 10.1103/PhysRevC.101.034305
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
2020GO10 Phys.Rev. C 102, 044331 (2020) S.Go, R.Grzywacz, C.Mazzocchi, S.N.Liddick, M.Alshudifat, J.C.Batchelder, T.Baumann, A.A.Ciemny, T.N.Ginter, C.J.Gross, K.Kolos, A.Korgul, S.V.Paulauskas, C.J.Prokop, M.M.Rajabali, K.P.Rykaczewski, S.Taylor, Y.Xiao Mapping of fragmented νf5/2 → πf7/2 transitions in the 73Co → 73Ni decay RADIOACTIVITY 73,75Co(β-), (β-n)[from 9Be(82Se, X), E=140 MeV/nucleon at NSCL-MSU, followed by separation of reaction products of interest using A1900 fragment separator, and implanted into Ge double-sided strip detector (GeDSSD)]; measured Eγ, Iγ, βγ-, γγ- and βγγ-coin, half-lives of the decays of 73Co and 75Co using eight clover Ge detectors. 73,75Ni; deduced levels, J, π, β feedings. logft, B(GT) values, %β-n for 73Co decay. Comparison with shell-model calculations. Experimental and theoretical systematics of delayed-neutron emission probabilities (Pn) for the decays of 69,71,73,75,77Co. NUCLEAR STRUCTURE 69,71,73,75,77Ni; calculated levels, J, π using fpgpn interaction with 40Ca core, and jj44pna interaction with 56Ni core. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.044331
2019DA02 Phys.Rev. C 99, 021302 (2019) P.J.Davies, J.Park, H.Grawe, R.Wadsworth, R.Gernhauser, R.Krucken, F.Nowacki, D.S.Ahn, F.Ameil, H.Baba, T.Back, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, M.Dewald, P.Doornenbal, T.Faestermann, Y.Fang, G.de France, N.Fukuda, A.Gengelbach, J.Gerl, J.Giovinazzo, S.Go, N.Goel, M.Gorska, E.Gregor, H.Hotaka, S.Ilieva, N.Inabe, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, M.Lewitowicz, G.Lorusso, D.Lubos, L.Maier, E.Merchan, K.Moschner, D.Murai, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, I.Nishizuka, Z.Patel, N.Pietralla, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.F.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, J.Taprogge, P.Thole, S.Valder, Z.Wang, N.Warr, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Toward the limit of nuclear binding on the N=Z line: Spectroscopy of 96Cd NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured delayed γ-spectrum, Eγ, Iγ, γγ-coin, half-life of an isomeric state using BigRIPS separator, silicon active stopper for particle identification, and EURICA Ge detector array for γ detection at RIBF-RIKEN. 96Cd; deduced levels, isomer, J, π, configuration, medium-spin negative-parity spin trap based on the coupling of isoscalar T=0 and isovector T=1 neutron-proton pairs. Comparison with shell model calculations using GF, LSSM, and r3g model spaces.
doi: 10.1103/PhysRevC.99.021302
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
2019HA26 Phys.Rev. C 100, 024302 (2019) G.Hafner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, R.Lozeva, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanbe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Properties of gamma-decaying isomers in the 100Sn region populated in fragmentation of a 124Xe beam NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/88mZr/90Nb/90mNb/90Mo/90mMo/91Nb/91mNb/92Nb/92mNb/92Mo/92mMo/92Tc/92mTc/92Ru/92mRu/92Rh/92mRh/93Tc/93mTc/93Ru/93mRu/94Ru/94mRu/94Rh/94mRh/94Pd/94mPd/95Ag/95mAg/96Pd/96mPd/96Ag/96mAg/96Cd/96mCd/98Ag/98mAg/98Cd/98mCd, E=345 MeV/nucleon; measured yields of secondary ions by A/Q vs Z, Eγ, Iγ, (ion)γ-coin, isomeric ratios using BigRIPS and ZeroDegree spectrometers, active stopper SIMBA, and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with previous experimental results, and with abrasion-ablation model combined with sharp cutoff model. RADIOACTIVITY 88mZr, 90mNb, 90m,92mMo, 92m,93mTc, 92m,93m,94mRu, 92mRh, 94m,96mPd, 96m,98mAg, 98mCd(IT); measured Eγ, Iγ, γγ- and (ion)γ-coin, half-lives of isomers (0.1-104 μs) by γ(t). 88Zr, 90Nb, 90,92Mo, 92,93Tc, 92,93,94Ru, 92Rh, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, B(E1), B(E2), B(E3), B(E4). Comparison with shell model calculations using NUSHELLX code and SLGT0PN interaction.
doi: 10.1103/PhysRevC.100.024302
2019HA40 Acta Phys.Pol. B50, 431 (2019) G.Haefner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanabe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Properties of γ-decaying Isomers in the 100Sn Region Revisited NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced T1/2 of isomeric states and isomeric ratios. BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with abrasion-ablation model combined with sharp cutoff model. RADIOACTIVITY 90Mo, 92Rh, 96Ag(IT) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ, γγ-coin; deduced levels, J, π, T1/2.
doi: 10.5506/aphyspolb.50.431
2019PH02 Phys.Rev. C 100, 011302 (2019) V.H.Phong, G.Lorusso, T.Davinson, A.Estrade, O.Hall, J.Liu, K.Matsui, F.Montes, S.Nishimura, A.Boso, P.H.Regan, R.Shearman, Z.Y.Xu, J.Agramunt, J.M.Allmond, D.S.Ahn, A.Algora, H.Baba, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, M.Wolinska-Cichocka, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Gargano, S.Go, C.J.Griffin, R.K.Grzywacz, L.Harkness-Brennan, T.Isobe, A.Jungclaus, D.Kahl, L.H.Khiem, G.Kiss, A.Korgul, S.Kubono, K.Miernik, A.I.Morales, N.Nepal, M.Piersa, Zs.Podolyak, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stacener, T.Sumikama, H.Suzuki, H.Takeda, J.L.Tain, A.Tarifeno-Saldivia, A.Tolosa-Delgado, V.Vaquero, P.J.Woods, R.Yokoyama, C.Yuan Observation of a 13449In85 Proton-neutron coupling "southeast" of 13250Sn82 NUCLEAR REACTIONS 9Be(238U, F)120Rh/121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/125Ag/126Ag/127Ag/128Ag/129Ag/130Ag/128Cd/129Cd/130Cd/131Cd/132Cd/133Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Te/142Te, E=345 MeV/nucleon; measured fission fragment yields, A/Q plot, Eγ, Iγ, (fragment)γ-coin, half-lives of isomers in 128Cd and 134In by (ion)γ(t) using BigRIPS, ZeroDegree spectrometer, and AIDA array for fragment separation and identification, and HPGe detectors for γ detection at RIBF-RIKEN. 128Cd, 130Ag, 132,134In; measured (ion)γ-coin spectra; deduced isomers in 128Cd and 134In, configurations, no evidence for isomers in 130Ag and 132In. 134In; compared Weisskopf estimated half-lives for E1, M1, E2 and M2 multipolarities for the isomeric transition in the case of bare nuclei and neutral atoms with the measured half-life, best agreement found for E2 multipolarity. 130Ag, 132,134In; calculated levels, J, π using shell model, and compared with available experimental data.
doi: 10.1103/PhysRevC.100.011302
2019RU07 Proc.XLII Symposium on Nuclear Physics 2019 (Cocoyoc2019), 7-10 January 2019, Cocoyoc, Mexico, p.012018 (2019), J.Phys.:Conf. Ser. 1308 (2019) B.Rubio, P.Aguilera, F.Molina, J.Agramunt, A.Algora, V.Guadilla, A.Montaner-Piza, A.I.Morales, S.E.A.Orrigo, W.Gelletly, B.Blank, P.Asher, M.Gerbaux, J.Giovinazzo, S.Grevy, T.Kurtukian, C.Magron, J.Chiba, D.Nishimura, H.Oikawa, Y.Takei, S.Yang, D.S.Ahn, P.Doornenbal, N.Fukuda, N.Inabe, G.Kiss, T.Kubo, S.Kubono, S.Nishimura, Y.Shimizu, C.Sidong, P.-A.Soderstrom, T.Sumikama, H.Suzuki, H.Takeda, P.Vi, J.Wu, Y.Fujita, M.Tanaka, F.Diel, D.Lubos, G.de Angelis, D.Napoli, C.Borcea, A.Boso, R.B.Cakirli, E.Ganioglu, G.de France, S.Go Beta decay of the Tz=-2 nucleus 64Se and its descendants RADIOACTIVITY 64Se, 64As(β+), (EC), (β+p)[from 9Be(78Kr, X), E=345 MeV, followed by separation of fragments using BigRIPS separator and implantation in double-sided Si-strip detectors (DSSSDs) at RIBF-RIKEN facility]; 63Ge(β+), (EC)[from 74Se β+p decay]; measured reaction products, particle identification plot, Eγ, Iγ, (implants)γ-coin, E(p), I(p) from β+-delayed proton decays, T1/2 of decays of 64Se, 64As, 63Ge. 64As, 63,64Ge, 63Ga; deduced levels, J, π, 0+ IAS of 64As, mirror states in 64As and 64Ga, and in 63Ge and 63Ga.
doi: 10.1088/1742-6596/1308/1/012018
2019XI06 Phys.Rev. C 100, 034315 (2019) Y.Xiao, S.Go, R.Grzywacz, R.Orlandi, A.N.Andreyev, M.Asai, M.A.Bentley, G.de Angelis, C.J.Gross, P.Hausladen, K.Hirose, S.Hofmann, H.Ikezoe, D.G.Jenkins, B.Kindler, R.Leguillon, B.Lommel, H.Makii, C.Mazzocchi, K.Nishio, P.Parkhurst, S.V.Paulauskas, C.M.Petrache, K.P.Rykaczewski, T.K.Sato, J.Smallcombe, A.Toyoshima, K.Tsukada, K.Vaigneur, R.Wadsworth Search for α decay of 104Te with a novel recoil-decay scintillation detector RADIOACTIVITY 108,109Xe, 104,105Te(α)[from 54Fe(58Ni, X), E=250 MeV from the tandem accelerator of the Japan Atomic Energy Agency (JAEA), followed by separation of evaporation residues using Recoil Mass Separator (RMS)]; measured Eα, Iα, αα-correlations using an inorganic scintillator YAP:Ce for implanted nuclei, and a multiwire proportional chamber (MWPC) for α particles; deduced αα-correlations for the 109Xe to 105Te to 101Sn α-decay chain, and no conclusive trace observed for the 108Xe to 104Te to 100Sn α-decay chain, half-life of 108Xe decay, upper limit of 4 ns for the half-life of 104Te; estimated cross section for the production of 108Xe, an order of magnitude lower than the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code. 109I(p), 108,109Te(α); measured proton and α spectra, half-life of 109I decay. Comparison with data for 108Xe to 104Te to 100Sn α-decay chain reported by 2018Au04.
doi: 10.1103/PhysRevC.100.034315
2019YO03 Phys.Rev. C 100, 031302(R) (2019) R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu Strong one-neutron emission from two-neutron unbound states in β decays of the r-process nuclei 86, 87Ga RADIOACTIVITY 84,85,86,87Ga(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation and identification of fragments using the BigRIPS in-flight separator at RIBF-RIKEN facility]; measured secondary ions implanted into active stoppers made of double-sided silicon-strip detectors (DSSSDs), neutrons by BRIKEN array of 3He counters, WAS3ABi for β and ion detection, and γ rays by two clover-type HPGe detectors, (ions)βn-coin, half-lives of decays of 84,85,86,87Ga; deduced decay curves, %β-n (P1n) and %β-2n (P2n). Comparison with shell-model and QRPA calculations. Relevance to r-process modeling.
doi: 10.1103/PhysRevC.100.031302
2018FU08 J.Phys.Soc.Jpn. 87, 014202 (2018) N.Fukuda, T.Kubo, D.Kameda, N.Inabe, H.Suzuki, Y.Shimizu, H.Takeda, K.Kusaka, Y.Yanagisawa, M.Ohtake, K.Tanaka, K.Yoshida, H.Sato, H.Baba, M.Kurokawa, T.Ohnishi, N.Iwasa, A.Chiba, T.Yamada, E.Ideguchi, S.Go, R.Yokoyama, T.Fujii, H.Nishibata, K.Ieki, D.Murai, S.Momota, D.Nishimura, Y.Sato, J.Hwang, S.Kim, O.B.Tarasov, D.J.Morrissey, G.Simpson Identification of New Neutron-Rich Isotopes in the Rare-Earth Region Produced by 345 MeV/nucleon 238U NUCLEAR REACTIONS 9Be(238U, F)153Ba/154Ba/154La/155La/156La/156Ce/157Ce/158Ce/156Pr/157Pr/158Pr/159Pr/160Pr/161Pr/162Nd/163Nd/164Pm/165Pm/166Sm/167Sm/168Sm/169Eu/171Gd/172Gd/173Tb/174Tb/175Dy/176Dy/177Ho/178Ho/179Er/180Er, E=345 MeV/nucleon; measured reaction products, A/Q spectra, and production cross sections for 29 new neutron-rich isotopes using BigRIPS spectrometer at RIBF-RIKEN facility.
doi: 10.7566/JPSJ.87.014202
2018TA20 Acta Phys.Pol. B49, 417 (2018) J.L.Tain, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, I.Dillmann, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.Griffin, R.Grzywacz, J.Ha, O.Hall, L.Harkness-Brennan, T.Isobe, D.Kahl, M.Karny, G.G.Kiss, M.Kogimtzis, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Lee, J.Liu, G.Lorusso, K.Matsui, K.Miernik, F.Montes, B.Moon, A.I.Morales, N.Nepal, S.Nishimura, R.D.Page, Z.Podolyak, V.F.E.Pucknell, B.C.Rasco, P.H.Regan, A.Riego, B.Rubio, K.P.Rykaczewski, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, P.A.Soderstrom, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, M.Takechi, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, V.H.Phong, P.Woods The BRIKEN Project: Extensive Measurements of β-delayed Neutron Emitters for the Astrophysical r Process
doi: 10.5506/aphyspolb.49.417
2018VA08 Phys.Lett. B 782, 99 (2018) Zs.Vajta, D.Sohler, Y.Shiga, K.Yoneda, K.Sieja, D.Steppenbeck, Zs.Dombradi, N.Aoi, P.Doornenbal, J.Lee, H.Liu, M.Matsushita, S.Takeuchi, H.Wang, H.Baba, P.Bednarczyk, Zs.Fulop, S.Go, T.Hashimoto, E.Ideguchi, K.Ieki, K.Kobayashi, Y.Kondo, R.Minakata, T.Motobayashi, D.Nishimura, H.Otsu, H.Sakurai, Y.Sun, A.Tamaii, R.Tanaka, Z.Tian, T.Yamamoto, X.Yang, Z.Yang, Y.Ye, R.Yokoyama, J.Zenihiro Proton single particle energies next to 78Ni: Spectroscopy of 77Cu via single proton knock-out reaction NUCLEAR REACTIONS 9Be(78Zn, p)77Cu, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, level scheme. Comparison with shell model calculations.
doi: 10.1016/j.physletb.2018.05.023
2018YO04 Prog.Theor.Exp.Phys. 2018, 041D02 (2018) R.Yokoyama, E.Ideguchi, G.S.Simpson, Mn.Tanaka, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, F.Browne, R.Daido, Y.Fang, N.Fukuda, A.Gottardo, G.Gey, S.Go, N.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, I.Kojouharov, T.Komatsubara, T.Kubo, N.Kurz, I.Kuti, Z.Li, M.Matsushita, S.Michimasa, C.B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, Z.Patel, S.Rice, E.Sahin, H.Sakurai, H.Schaffner, L.Sinclair, H.Suzuki, H.Takeda, J.Taprogge, Zs.Vajta, H.Watanabe, A.Yagi, T.Inakura Beta-gamma spectroscopy of the neutron-rich 150Ba RADIOACTIVITY 150Cs(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ, β-γ-coin.; deduced γ-ray energies, 2+ state. Comparison with theoretical calculations.
doi: 10.1093/ptep/pty037
2017DA07 Phys.Lett. B 767, 474 (2017) P.J.Davies, H.Grawe, K.Moschner, A.Blazhev, R.Wadsworth, P.Boutachkov, F.Ameil, A.Yagi, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhaeuser, S.Go, M.Gorska, E.Gregor, T.Isobe, D.G.Jenkins, H.Hotaka, J.Jolie, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, L.Maier, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, F.Nowacki, N.Pietralla, H.Schaffner, P.-A.Soderstrom, H.S.Jung, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, N.Warr, H.Watanabe, V.Werner, Z.Y.Xu, K.Yoshinaga, Y.Zhu The role of core excitations in the structure and decay of the 16+ spin-gap isomer in 96Cd RADIOACTIVITY 96Cd(EC), (ECp), 95Cd(EC) [from 9Be(124Xe, X)96Cd/95Cd, E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ, Ep, Ip; deduced first evidence for β-delayed proton emission, βp branching ratios, precise T1/2 for the ground and isomeric states. Comparison with shell model calculations employing the Gross-Frenkel (GF) effective interaction.
doi: 10.1016/j.physletb.2017.02.013
2017PA25 Phys.Rev. C 96, 034305 (2017) Z.Patel, P.M.Walker, Zs.Podolyak, P.H.Regan, T.A.Berry, P.-A.Soderstrom, H.Watanabe, E.Ideguchi, G.S.Simpson, S.Nishimura, Q.Wu, F.R.Xu, F.Browne, P.Doornenbal, G.Lorusso, S.Rice, L.Sinclair, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, R.Daido, Zs.Dombradi, Y.Fang, N.Fukuda, G.Gey, S.Go, A.Gottardo, N.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, T.Komatsubara, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, M.Matsushita, S.Michimasa, C.-B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, Zs.Vajta, A.Yagi, R.Yokoyama Isomer-delayed γ-ray spectroscopy of A = 159-164 midshell nuclei and the variation of K-forbidden E1 transition hindrance factors NUCLEAR REACTIONS 9Be(238U, X)159Sm/161Sm/162Sm/163Sm/163Eu/164Eu/165Eu/164Gd, E=345 MeV/nucleon; measured reaction products, delayed Eγ, Iγ, half-lives of isomers using BigRIPS and ZeroDegree spectrometers, and EURICA array at RIBF-RIKEN facility. 159,161,162Sm, 163Eu, 164Gd; deduced levels, J, π, configurations, K-forbidden E1 hindrance factors. Comparison with Nilsson+BCS calculations. 163Sm, 164,165Eu; deduced micro-sec isomers.
doi: 10.1103/PhysRevC.96.034305
2017ST22 Phys.Rev. C 96, 064310 (2017) D.Steppenbeck, S.Takeuchi, N.Aoi, P.Doornenbal, M.Matsushita, H.Wang, H.Baba, S.Go, J.D.Holt, J.Lee, K.Matsui, S.Michimasa, T.Motobayashi, D.Nishimura, T.Otsuka, H.Sakurai, Y.Shiga, P.-A.Soderstrom, S.R.Stroberg, T.Sumikama, R.Taniuchi, J.A.Tostevin, Y.Utsuno, J.J.Valiente-Dobon, K.Yoneda Structure of 55Sc and development of the N=34 subshell closure NUCLEAR REACTIONS 9Be(56Ti, 55Sc), (55Sc, 55Sc'), E=200 MeV/nucleon, ; [secondary 56Ti and 55Sc beams from primary 70Zn beam and using BigRIPS for fragment identification at RIBF-RIKEN facility]; measured Eγ, Iγ, γγ-coin using DALI2 array of scintillation detectors for γ radiation, and ZeroDegree spectrometer for reaction products. 55Sc; deduced levels. Comparison with large-scale shell-model calculations in sdpf model space, and with ab initio shell-model calculations from the in-medium similarity renormalization group. NUCLEAR STRUCTURE 55Sc; calculated levels, J, π, σ, spectroscopic factors for one-proton removal reaction; discussed configurations. Large-scale shell-model with SDPF-MUr effective interaction, and ab initio many-body method with the valence-space formulation of the in-medium similarity renormalization group (VS-IM-SRG). Comparison with experimental data, and proton-removal reaction treated with the eikonal model.
doi: 10.1103/PhysRevC.96.064310
2017SU26 Phys.Rev. C 96, 034604 (2017) H.Suzuki, T.Kubo, N.Fukuda, N.Inabe, D.Kameda, H.Takeda, K.Yoshida, K.Kusaka, Y.Yanagisawa, M.Ohtake, H.Sato, Y.Shimizu, H.Baba, M.Kurokawa, K.Tanaka, O.B.Tarasov, D.Bazin, D.J.Morrissey, B.M.Sherrill, K.Ieki, D.Murai, N.Iwasa, A.Chiba, Y.Ohkoda, E.Ideguchi, S.Go, R.Yokoyama, T.Fujii, D.Nishimura, H.Nishibata, S.Momota, M.Lewitowicz, G.De France, I.Celikovic, K.Steiger Discovery of new isotopes 81, 82Mo and 85, 86Ru and a determination of the particle instability of 103Sb NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured reaction products for Z=28-53, A/Q=1.925-2.4 fragments, production yields and cross sections of A=70-90, Z=34-44 isotopes using the BigRIPS separator at RIBF-RIKEN facility. 81,82Mo, 85,86Ru; measured production σ for new nuclides, and compared with theoretical σ from EPAX3.1a and EPAX2.15 codes. 76Y, 78Zr; confirmed previous identification of these nuclides. 75Br, 76Kr, 77,79Rb, 78,80Sr, 79,81Y, 79,80,82Zr, 81,83Nb, 82,83,84Mo, 85Tc, 86,87Ru, 99In, 101Sn, 103Sb, 105Te; measured production yields. 81Nb, 85Tc, 103Sb; measured production yields, and the upper limits for half-lives; deduced particle-unbound character. See also 2013Su23 for preliminary and partial results in the present paper.
doi: 10.1103/PhysRevC.96.034604
2017YO01 Phys.Rev. C 95, 034313 (2017) R.Yokoyama, S.Go, D.Kameda, T.Kubo, N.Inabe, N.Fukuda, H.Takeda, H.Suzuki, K.Yoshida, K.Kusaka, K.Tanaka, Y.Yanagisawa, M.Ohtake, H.Sato, Y.Shimizu, H.Baba, M.Kurokawa, D.Nishimura, T.Ohnishi, N.Iwasa, A.Chiba, T.Yamada, E.Ideguchi, T.Fujii, H.Nishibata, K.Ieki, D.Murai, S.Momota, Y.Sato, J.W.Hwang, S.Kim, O.B.Tarasov, D.J.Morrissey, B.M.Sherrill, G.Simpson, C.R.Praharaj New K isomers in the neutron-rich N=100 isotones 162Sm, 163Eu, and 164Gd NUCLEAR REACTIONS 9Be(238U, F)162Sm/163Eu/164Gd, E=345 MeV/nucleon; measured reaction products through measurements of magnetic rigidity, time of flight (TOF), and energy loss in BigRIPS spectrometer at RIBF-RIKEN facility, Eγ, Iγ, delayed γ spectra, half-lives of μs isomers by γ(t). 162Sm, 163Eu, 164Gd; deduced levels, J, π, bands, reduced hindrance factors for E1 transitions from the isomers, configurations. Systematics of level energies in N=100 isotones of 162Sm, 164Gd, 166Dy, 168Er and 170Yb. Comparisons with deformed Hartree-Fock calculations.
doi: 10.1103/PhysRevC.95.034313
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
2016CI01 Eur.Phys.J. A 52, 89 (2016) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, K.Miernik, M.Pfutzner, M.Pomorski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.N.Liddick, S.V.Paulauskas, J.Pereira, K.P.Rykaczewski, C.Sumithrarachchi, Y.Xiao First measurement of 60Ge β-decay RADIOACTIVITY 60Ge(β+)[from 78Kr+9Be fragmentation at 150 MeV/nucleon]; measured reaction products using OTPC (Optical Time Projection Chamber) plus GEM (Gas Electron Multiplier) for each βp decay event; deduced T1/2. Compared with Moeller measurement and with calculations using three different mass formulae.
doi: 10.1140/epja/i2016-16089-x
2016CR05 Phys.Lett. B 763, 108 (2016) B.P.Crider, C.J.Prokop, S.N.Liddick, M.Al-Shudifat, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, R.Grzywacz, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu Shape coexistence from lifetime and branching-ratio measurements in 68, 70Ni RADIOACTIVITY 70Co, 68Fe, 68Co(β-) [from 9Be(76Ge, X)70Co/68Fe]; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, T1/2, branching ratios, B(E2).
doi: 10.1016/j.physletb.2016.10.020
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
2016ID02 Phys.Rev. C 94, 064322 (2016) E.Ideguchi, G.S.Simpson, R.Yokoyama, Mn.Tanaka, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, F.Browne, R.Daido, Y.Fang, N.Fukuda, A.Gottardo, G.Gey, S.Go, N.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, I.Kojouharov, T.Komatsubara, T.Kubo, N.Kurz, I.Kuti, Z.Li, M.Matsushita, S.Michimasa, C.-B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, Z.Patel, S.Rice, E.Sahin, H.Sakurai, H.Schaffner, L.Sinclair, H.Suzuki, H.Takeda, J.Taprogge, Zs.Vajta, H.Watanabe, A.Yagi μs isomers of 158, 160Nd NUCLEAR REACTIONS 9Be(238U, F), E=345 MeV/nucleon; measured fragments by ΔE-ToF-Bρ method using BigRIPS separator and ZeroDegree spectrometer (ZDS), Eγ, Iγ, (ion)γ-coin, delayed spectroscopy, half-lives of 2-qp isomers by (ion)γ(t) using EURICA array at RIBF-RIKEN facility. 158,160Nd; deduced levels, J, π, multipolarities, B(E1), hindered E1 transitions, configurations. Comparison with blocked-BCS (BBCS), projected shell-model (PSM) and deformed Hartree-Fock (HF) calculations.
doi: 10.1103/PhysRevC.94.064322
2016KI01 Phys.Rev.Lett. 116, 052501 (2016) K.Kisamori, S.Shimoura, H.Miya, S.Michimasa, S.Ota, M.Assie, H.Baba, T.Baba, D.Beaumel, M.Dozono, T.Fujii, N.Fukuda, S.Go, F.Hammache, E.Ideguchi, N.Inabe, M.Itoh, D.Kameda, S.Kawase, T.Kawabata, M.Kobayashi, Y.Kondo, T.Kubo, Y.Kubota, M.Kurata-Nishimura, C.S.Lee, Y.Maeda, H.Matsubara, K.Miki, T.Nishi, S.Noji, S.Sakaguchi, H.Sakai, Y.Sasamoto, M.Sasano, H.Sato, Y.Shimizu, A.Stolz, H.Suzuki, M.Takaki, H.Takeda, S.Takeuchi, A.Tamii, L.Tang, H.Tokieda, M.Tsumura, T.Uesaka, K.Yako, Y.Yanagisawa, R.Yokoyama, K.Yoshida Candidate Resonant Tetraneutron State Populated by the 4He(8He, 8Be) Reaction NUCLEAR REACTIONS 4He(8He, 8Be), E=186 MeV/nucleon; measured missing-mass spectrum; deduced the tetraneutron system energy of the state with uncertainties, Q-value.
doi: 10.1103/PhysRevLett.116.052501
2016PA01 Phys.Lett. B 753, 182 (2016) Z.Patel, Zs.Podolyak, P.M.Walker, P.H.Regan, P.-A.Soderstrom, H.Watanabe, E.Ideguchi, G.S.Simpson, S.Nishimura, F.Browne, P.Doornenbal, G.Lorusso, S.Rice, L.Sinclair, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, R.Daido, Zs.Dombradi, Y.Fang, N.Fukuda, G.Gey, S.Go, A.Gottardo, N.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, T.Komatsubara, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, H.L.Liu, M.Matsushita, S.Michimasa, C.-B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, Zs.Vajta, F.R.Xu, A.Yagi, R.Yokoyama Decay spectroscopy of 160Sm: The lightest four-quasiparticle K isomer RADIOACTIVITY 160Sm(IT) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, γ-γ-coinc.; deduced energy levels, J, π, isomeric states T1/2. Comparison with available data.
doi: 10.1016/j.physletb.2015.12.026
2016RA25 Phys.Rev.Lett. 117, 092501 (2016) B.C.Rasco, M.Wolinska-Cichocka, A.Fijalkowska, K.P.Rykaczewski, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, B.Heffron, T.King, J.T.Matta, K.Miernik, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Decays of the Three Top Contributors to the Reactor ν(bar)e High-Energy Spectrum, 92Rb, 96gsY, and 142Cs, Studied with Total Absorption Spectroscopy RADIOACTIVITY 92Rb, 96Y, 142Cs(β-), (β-n) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ; deduced β-feeding intensity, impact on a reactor anti-neutrino spectrum. Comparison with available data.
doi: 10.1103/PhysRevLett.117.092501
2016SH07 Phys.Rev. C 93, 024320 (2016) Y.Shiga, K.Yoneda, D.Steppenbeck, N.Aoi, P.Doornenbal, J.Lee, H.Liu, M.Matsushita, S.Takeuchi, H.Wang, H.Baba, P.Bednarczyk, Zs.Dombradi, Zs.Fulop, S.Go, T.Hashimoto, M.Honma, E.Ideguchi, K.Ieki, K.Kobayashi, Y.Kondo, R.Minakata, T.Motobayashi, D.Nishimura, T.Otsuka, H.Otsu, H.Sakurai, N.Shimizu, D.Sohler, Y.Sun, A.Tamii, R.Tanaka, Z.Tian, Y.Tsunoda, Zs.Vajta, T.Yamamoto, X.Yang, Z.Yang, Y.Ye, R.Yokoyama, J.Zenihiro Investigating nuclear shell structure in the vicinity of 78Ni: Low-lying excited states in the neutron-rich isotopes 80, 82Zn NUCLEAR REACTIONS 9Be(80Zn, 80Zn'), (81Ga, 80Zn), (80Ga, 78Zn), (83Ge, 82Ge), (83As, 82Ge), E=250 MeV/nucleon, [secondary 80Zn, 80,81Ga, 82,83Ge, 83As and other beams from 9Be(238U, X), E=345 MeV/nucleon primary reaction]; measured yields of reaction products, Eγ, Iγ, Doppler corrected γ rays, γγ-coin, level half-lives by line-shape analysis using BigRIPS separator, ZeroDegree spectrometer for particle identification and detection, and DALI2 array of NaI(Tl) detectors for γ rays at RIBF-RIKEN facility. 76,78,80,82Zn, 82Ge; deduced levels, J, π, B(E2), configurations. Comparison with previous experimental results, and with calculations using Monte Carlo shell-model (MCSM) and shell-model with JUN45 interaction. Systematics of energies of first 2+ and 4+ states and E(4+/2+) ratios in 74,76,78,80,82Zn, 82Ge, 84Se, 86Kr.
doi: 10.1103/PhysRevC.93.024320
2015CI06 Phys.Rev. C 92, 014622 (2015) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, F.Zarzynski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao First observation of 59Ge NUCLEAR REACTIONS 9Be(78Kr, X)59Ge/60Ge/61Ge/62Ge, E=150 MeV/nucleon; measured production cross sections using A1900 separator and Optical Time Projection Chamber (OTPC) at NSCL-MSU facility; deduced new 59Ge isotope. Comparison with EPAX3 theoretical calculations. Relevance to 2p radioactivity.
doi: 10.1103/PhysRevC.92.014622
2015PR10 Phys.Rev. C 92, 061302 (2015) C.J.Prokop, B.P.Crider, S.N.Liddick, A.D.Ayangeakaa, M.P.Carpenter, J.J.Carroll, J.Chen, C.J.Chiara, H.M.David, A.C.Dombos, S.Go, J.Harker, R.V.F.Janssens, N.Larson, T.Lauritsen, R.Lewis, S.J.Quinn, F.Recchia, D.Seweryniak, A.Spyrou, S.Suchyta, W.B.Walters, S.Zhu New low-energy 0+ state and shape coexistence in 70Ni RADIOACTIVITY 70,70mCo(β-)[from 9Be(76Ge, X), E=130 MeV/nucleon using A1900 fragment separator at NSCL-MSU]; measured Eγ, Iγ, βγγ-, γγ-coin, level half-life by βγ(t) using SeGA array and silicon PIN detectors. 70Ni; deduced levels, J, π, energy and half-life of excited (0+) state, configuration. Comparison with Monte Carlo shell-model calculations with A3DA interaction. 68Co, 69Ni, 70Zn; observed γ rays from decay of contaminants.
doi: 10.1103/PhysRevC.92.061302
2015ST10 Phys.Rev.Lett. 114, 252501 (2015) D.Steppenbeck, S.Takeuchi, N.Aoi, P.Doornenbal, M.Matsushita, H.Wang, Y.Utsuno, H.Baba, S.Go, J.Lee, K.Matsui, S.Michimasa, T.Motobayashi, D.Nishimura, T.Otsuka, H.Sakurai, Y.Shiga, N.Shimizu, P.-A.Soderstrom, T.Sumikama, R.Taniuchi, J.J.Valiente-Dobon, K.Yoneda Low-Lying Structure of 50Ar and the N=32 Subshell Closure NUCLEAR REACTIONS 9Be(54Ca, X), (55Sc, X), (56Ti, X)50Ar, E=220 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level energy, J, π. Comparison with large-scale shell-model calculations performed in the sdpf model space using the SDPF-MU effective interaction.
doi: 10.1103/PhysRevLett.114.252501
2014PA55 Phys.Rev.Lett. 113, 262502 (2014) Z.Patel, P.-A.Soderstrom, Zs.Podolyak, P.H.Regan, P.M.Walker, H.Watanabe, E.Ideguchi, G.S.Simpson, H.L.Liu, S.Nishimura, Q.Wu, F.R.Xu, F.Browne, P.Doornenbal, G.Lorusso, S.Rice, L.Sinclair, T.Sumikama, J.Wu, Z.Y.Xu, N.Aoi, H.Baba, F.L.Bello Garrote, G.Benzoni, R.Daido, Y.Fang, N.Fukuda, G.Gey, S.Go, A.Gottardo, N.Inabe, T.Isobe, D.Kameda, K.Kobayashi, M.Kobayashi, T.Komatsubara, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, M.Matsushita, S.Michimasa, C.-B.Moon, H.Nishibata, I.Nishizuka, A.Odahara, E.Sahin, H.Sakurai, H.Schaffner, H.Suzuki, H.Takeda, M.Tanaka, J.taprogge, Zs.Vajta, A.Yagi, R.Yokoyama Isomer Decay Spectroscopy of 164Sm and 166Gd: Midshell Collectivity Around N=100 NUCLEAR REACTIONS 9Be(238U, X)166Gd/164Sm, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced level energies, intensities, J, π, isomeric state T1/2. Total energy surface calculations.
doi: 10.1103/PhysRevLett.113.262502
2013SO20 Nucl.Instrum.Methods Phys.Res. B317, 649 (2013) P.-A.Soderstrom, S.Nishimura, P.Doornenbal, G.Lorusso, T.Sumikama, H.Watanabe, Z.Y.Xu, H.Baba, F.Browne, S.Go, G.Gey, T.Isobe, H.-S.Jung, G.D.Kim, Y.-K.Kim, I.Kojouharov, N.Kurz, Y.K.Kwon, Z.Li, K.Moschner, T.Nakao, H.Nishibata, M.Nishimura, A.Odahara, H.Sakurai, H.Schaffner, T.Shimoda, J.Taprogge, Zs.Vajta, V.Werner, J.Wu, A.Yagi, K.Yoshinaga Installation and commissioning of EURICA - Euroball-RIKEN Cluster Array RADIOACTIVITY 16mN(IT); measured Eγ, Iγ; deduced T1/2 of the 0-isomer at 120.4 keV in 16N by γ(t) using BigRIPS separator. ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility.
doi: 10.1016/j.nimb.2013.03.018
2013ST15 J.Phys.:Conf.Ser. 445, 012012 (2013) D.Steppenbeck, S.Takeuchi, N.Aoi, P.Doornenbal, J.Lee, M.Matsushita, H.Wang, H.Baba, N.Fukuda, S.Go, M.Honma, K.Matsui, S.Michimasa, T.Motobayashi, D.Nishimura, T.Otsuka, H.Sakurai, Y.Shiga, P.-A.Soderstrom, T.Sumikama, H.Suzuki, R.Taniuchi, Y.Utsuno, J.J.Valiente-Dobon, K.Yoneda Investigating the strength of the N = 34 subshell closure in 54Ca NUCLEAR REACTIONS 9Be(55Sc, X), (56Ti, X), E=345 MeV/nucleon; measured in-beam Iγ, Eγ, (fragment)γ-coin. 53,54Ca deduced γ transitions, E(2+), E(3-). Compared with shell-model predictions and with data on other Ca isotopes.
doi: 10.1088/1742-6596/445/1/012012
2013ST20 Nature(London) 502, 207 (2013) D.Steppenbeck, S.Takeuchi, N.Aoi, P.Doornenbal, M.Matsushita, H.Wang, H.Baba, N.Fukuda, S.Go, M.Honma, J.Lee, K.Matsui, S.Michimasa, T.Motobayashi, D.Nishimura, T.Otsuka, H.Sakurai, Y.Shiga, P.-A.Soderstrom, T.Sumikama, H.Suzuki, R.Taniuchi, Y.Utsuno, J.J.Valiente-Dobon, K.Yoneda Evidence for a new nuclear 'magic number' from the level structure of 54Ca NUCLEAR REACTIONS Be(55Sc, p), (55Sc, np), (56Ti, 2p), (56Ti, n2p), E =345 MeV/nucleon; measured reaction products, Eγ, Iγ. 53,54Ca; deduced level energies, J, π. Comparison with shell model calculations using the modified GXPF1B Hamiltonian.
doi: 10.1038/nature12522
2013SU23 Nucl.Instrum.Methods Phys.Res. B317, 756 (2013) H.Suzuki, T.Kubo, N.Fukuda, N.Inabe, D.Kameda, H.Takeda, K.Yoshida, K.Kusaka, Y.Yanagisawa, M.Ohtake, H.Sato, Y.Shimizu, H.Baba, M.Kurokawa, T.Ohnishi, K.Tanaka, O.B.Tarasov, D.Bazin, D.J.Morrissey, B.M.Sherrill, K.Ieki, D.Murai, N.Iwasa, A.Chiba, Y.Ohkoda, E.Ideguchi, S.Go, R.Yokoyama, T.Fujii, D.Nishimura, H.Nishibata, S.Momota, M.Lewitowicz, G.De France, I.Celikovic, K.Steiger Production cross section measurements of radioactive isotopes by BigRIPS separator at RIKEN RI Beam Factory
doi: 10.1016/j.nimb.2013.08.049
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
2011BA37 Phys.Rev. C 84, 041306 (2011) T.Back, C.Qi, F.Ghazi Moradi, B.Cederwall, A.Johnson, R.Liotta, R.Wyss, H.Al-Azri, D.Bloor, T.Brock, R.Wadsworth, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jacobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, S.Go, E.Ideguchi, D.M.Cullen, M.G.Procter, T.Braunroth, A.Dewald, C.Fransen, M.Hackstein, J.Litzinger, W.Rother Lifetime measurement of the first excited 2+ state in 108Te NUCLEAR REACTIONS 54Fe(58Ni, 2n2p), E=245 MeV; measured Eγ, Iγ, recoil-distance Doppler shift. 108Te; deduced levels, J, π, half-life of first 2+ state, B(E2). Recoil decay tagging (RDT) technique in combination with distance Doppler shift using the Cologne differential plunger and JUROGAM II array. Systematics of B(E2) values for even-A Te nuclei from N=52-80. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.84.041306
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
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
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
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