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NSR database version of May 24, 2024.

Search: Author = S.L.Rice

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2023BR09      Eur.Phys.J. A 59, 199 (2023)

F.Browne, A.M.Bruce, T.Sumikama, I.Nishizuka, S.Nishimura, P.Doornenbal, J.G.Li, G.Lorusso, P.-A.Soderstrom, P.M.Walker, H.Watanabe, F.R.Xu, R.Daido, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, A.Yagi, H.Baba, N.Chiga, R.Carroll, F.Didierjean, Y.Fang, N.Fukuda, G.Gey, E.Ideguchi, N.Inabe, T.Isobe, D.Kameda, I.Kojouharov, N.Kurz, T.Kubo, S.Lalkovski, Z.Li, R.Lozeva, N.Nishibata, A.Odahara, Zs.Podolyak, P.H.Regan, O.J.Roberts, H.Sakurai, H.Schaffner, G.S.Simpson, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, V.Werner, O.Wieland

Interpretation of metastable states in the N > 70 Zr region

RADIOACTIVITY 111Zr, 112,113Nb, 115Mo, 108,109Nb, 113Tc, 117,119Ru, 120,122Rh(IT) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced γ-ray energies, T1/2, decay schemes. Comparison with calculations. The Radioactive Isotope Beam Factory, operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.

doi: 10.1140/epja/s10050-023-01103-7
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2023MO01      Phys.Rev. C 107, 014311 (2023)

B.Moon, C.-B.Moon, A.Odahara, R.Lozeva, S.Nishimura, C.Yuan, F.Browne, P.Doornenbal, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, H.Watanabe, J.Wu, Z.Y.Xu, A.Yagi, D.S.Ahn, H.Baba, F.L.Bello Garrote, R.Daido, J.M.Daugas, F.Didierjean, Y.Fang, N.Fukuda, B.Hong, E.Ideguchi, N.Inabe, T.Ishigaki, T.Isobe, H.S.Jung, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kubo, Y.K.Kwon, C.S.Lee, P.Lee, S.Morimoto, D.Murai, M.Niikura, H.Nishibata, I.Nishizuka, H.Sakurai, Y.Shimizu, H.Suzuki, H.Takeda, K.Tshoo, R.Yokoyama

Gamow-Teller decay of 142Te to 142I

RADIOACTIVITY 142Te(β-)[from 9Be(238U, F), E=345 MeV/nucleon]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin; deduced T1/2, log ft, branchings. 142I; deduced levels J, π, configurations; calculated single-quasiparticle energies of proton and neutron, excitation energies, occupancies of neutron and proton orbitals. Deformed shell model calculations. Systematics of 1+ states of odd-odd I, Cs, and La isotopes. Wide-range Active Silicon Strip Stopper Array for β and ion detection (WAS3ABi) coupled with EUROBALL-RIKEN Cluster Array (EURICA) which consisted of 12 cluster detectors at RIKEN.

doi: 10.1103/PhysRevC.107.014311
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2023PE06      Phys.Rev. C 107, 044301 (2023)

L.G.Pedersen, E.Sahin, A.Gorgen, F.L.Bello Garrote, Y.Tsunoda, T.Otsuka, M.Niikura, S.Nishimura, Z.Xu, H.Baba, G.Benzoni, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, G.de Angelis, M.-C.Delattre, Zs.Dombradi, P.Doornenbal, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, V.Modamio, S.Momiyama, A.I.Morales, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Z.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

First spectroscopic study of odd-odd 78Cu

RADIOACTIVITY 78Ni(β-)[from 9Be(238U, X), E=345 MeV/nucleon]; measured Eγ, Iγ, βγ-coin, γγ-coin; deduced β-feeding, γ-transition intensities. 78Cu; deduced levels J, π, T1/2 of isomer state. Comparison with Monte Carlo shell model (MCSM) calculations. Wide-range active silicon-strip stopper array for beta and ion detection (WAS3ABi) with EURICA HPGe cluster det ector array at RIBF (RIKEN).

NUCLEAR STRUCTURE 78Cu; calculated levels, J, π, occupation numbers of proton and neutron orbitals, excitation energies of the negative-parity multiplets, configurations. Monte Carlo shell model calculations performed using A3DA-m interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.107.044301
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2022MO11      Phys.Rev. C 105, 034334 (2022)

B.Moon, A.Gargano, H.Naidja, C.-B.Moon, A.Odahara, R.Lozeva, S.Nishimura, C.Yuan, F.Browne, P.Doornenbal, G.Lorusso, Z.Patel, S.Rice, M.Si, L.Sinclair, P.-A.Soderstrom, T.Sumikama, H.Watanabe, J.Wu, Z.Y.Xu, A.Yagi, D.S.Ahn, H.Baba, F.L.Bello Garrote, R.Daido, J.M.Daugas, F.Didierjean, Y.Fang, N.Fukuda, B.Hong, E.Ideguchi, N.Inabe, T.Ishigaki, T.Isobe, H.S.Jung, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kubo, Y.K.Kwon, C.S.Lee, P.Lee, S.Morimoto, D.Murai, M.Niikura, H.Nishibata, I.Nishizuka, H.Sakurai, Y.Shimizu, H.Suzuki, H.Takeda, K.Tshoo, R.Yokoyama

First observation of the π0h11/2 (X) ν0h9/2 partner orbital configuration in the odd-odd 138I nucleus

RADIOACTIVITY 138Te(β-)[from 9Be(238U, X), E=345 MeV/nucleon];measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin; deduced β-branching ratios, logft, B(GT). 138I; deduced levels, J, π, configurations, T1/2 of 68 keV transition (not yet exact placement in the level scheme). Comparison to otherexperimental data and large-scale shell-model calculations with N3LOP and Napoli effective interactions. Wide-range Active Silicon Strip Stopper Array for β and ion detection (WAS3ABi) system combined with EUROBALL-RIKEN Cluster Array (EURICA) at RIBF.

doi: 10.1103/PhysRevC.105.034334
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2022YA13      Phys.Rev. C 105, 044325 (2022)

A.Yagi, A.Odahara, H.Nishibata, R.Lozeva, C.-B.Moon, S.Nishimura, K.Yoshida, N.Yoshinaga, C.Watanabe, K.Higashiyama, T.Shimoda, R.Daido, Y.Fang, P.S.Lee, B.Moon, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, T.Sumikama, H.Watanabe, T.Isobe, H.Baba, H.Sakurai, F.Browne, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, Y.Shimizu, D.Murai, F.L.Bello Garrote, J.-M.Daugas, F.Didierjean, E.Ideguchi, S.Iimura, T.Ishigaki, H.S.Jung, T.Komatsubara, Y.K.Kwon, C.S.Lee, S.Morimoto, M.Niikura, I.Nishizuka, K.Tshoo

Various nuclear structures in 140Xe studied by β decay of ground and isomeric states in 140I

RADIOACTIVITY 140,140mI, 140Te(β-)[from 9Be(238U, X), E=345 MeV/nucleon];measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin; deduced β-branching ratios, β-intensities. 140Te; deduced T1/2. 140I; deduced levels, J, π, T1/2 of ground and two newly found β-decaying isomeric states. 140Xe; deduced levels, J, π, band structures. Systematics of excitation energies of octupole collective states and positive-parity states in N = 86 isotones. Comparison to large-scale shell model and deformed Skyrme-HFB+QRPA (SkM*) calculations. Wide-range Active Silicon Strip Stopper Array for β and ion detection (WAS3ABi) system combined with EUROBALL-RIKEN Cluster Array (EURICA) at RIBF.

doi: 10.1103/PhysRevC.105.044325
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2021AL18      Phys.Lett. B 819, 136438 (2021)

A.Algora, E.Ganioglu, P.Sarriguren, V.Guadilla, L.M.Fraile, E.Nacher, B.Rubio, J.L.Tain, J.Agramunt, W.Gelletly, J.A.Briz, R.B.Cakirli, M.Fallot, D.Jordan, Z.Halasz, I.Kuti, A.Montaner, A.Onillon, S.E.A.Orrigo, A.Perez Cerdan, S.Rice, V.Vedia, E.Valencia

Total absorption gamma-ray spectroscopy study of the β-decay of 186Hg

RADIOACTIVITY 186Hg(EC) [from Pb(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ, X-rays; deduced γ-ray energies, J, π, Gamow-Teller strength distribution. Comparison with QRPA calculations.

doi: 10.1016/j.physletb.2021.136438
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2021MO10      Phys.Rev. C 103, 034320 (2021)

B.Moon, A.Jungclaus, H.Naidja, A.Gargano, R.Lozeva, C.-B.Moon, A.Odahara, G.S.Simpson, S.Nishimura, F.Browne, P.Doornenbal, G.Gey, J.Keatings, G.Lorusso, Z.Patel, S.Rice, M.Si, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Taprogge, H.Watanabe, J.Wu, Z.Y.Xu, A.Yagi, D.S.Ahn, H.Baba, F.L.Bello Garrote, S.Bonig, R.Daido, J.M.Daugas, F.Didierjean, F.Drouet, Y.Fang, N.Fukuda, R.Gernhauser, B.Hong, E.Ideguchi, S.Ilieva, N.Inabe, T.Ishigaki, T.Isobe, H.S.Jung, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kroll, T.Kubo, N.Kurz, Y.K.Kwon, C.S.Lee, P.Lee, Z.Li, A.Montaner-Piza, S.Morimoto, K.Moschner, D.Mucher, D.Murai, M.Niikura, H.Nishibata, I.Nishizuka, R.Orlandi, H.Sakurai, H.Schaffner, Y.Shimizu, K.Steiger, H.Suzuki, H.Takeda, K.Tshoo, Zs.Vajta, A.Wendt, R.Yokoyama, K.Yoshinaga

Nuclear structure of Te isotopes beyond neutron magic number N = 82

RADIOACTIVITY 137,138Sb(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fragments using BigRIPS and Zero-Degree spectrometer at RIBF-RIKEN facility]; measured yields of 137Sb 138Sb, Eγ, Iγ, γγ-coin, half-lives of decays of ground states of 137Sb and 138Sb using WAS3ABi detection system and EURICA array for γ rays. 135,136,137,138Te; deduced levels, J, π, β-, β-n and β-2n feedings, logft values. Systematics of energies of excited states in the Z=52-64(even) and N=85 isotones. Comparison with large-scale shell-model calculations.

NUCLEAR STRUCTURE 137,138Te; calculated levels, J, π, one-neutron spectroscopic factors for 137Te, B(E2), spectroscopic quadrupole moments and g factors for levels in 138Te using large-scale shell-model, with Napoli and N3LOP interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.034320
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2021SU01      Phys.Rev. C 103, 014614 (2021)

T.Sumikama, N.Fukuda, N.Inabe, D.Kameda, T.Kubo, Y.Shimizu, H.Suzuki, H.Takeda, K.Yoshida, H.Baba, F.Browne, A.M.Bruce, R.Carroll, N.Chiga, R.Daido, F.Didierjean, P.Doornenbal, Y.Fang, G.Gey, E.Ideguchi, T.Isobe, S.Lalkovski, Z.Li, G.Lorusso, R.Lozeva, H.Nishibata, S.Nishimura, I.Nishizuka, A.Odahara, Z.Patel, Zs.Podolyak, P.H.Regan, S.Rice, O.J.Roberts, H.Sakurai, G.S.Simpson, L.Sinclair, P.-A.Soderstrom, M.Tanaka, J.Taprogge, H.Watanabe, V.Werner, O.Wieland, J.Wu, Z.Y.Xu, A.Yagi

Observation of new neutron-rich isotopes in the vicinity of 110Zr

NUCLEAR REACTIONS 9Be(238U, F)98Br/99Br/101Br/99Kr/100Kr/101Kr/102Kr/100Rb/101Rb/102Rb/103Rb/104Rb/105Rb/106Rb/101Sr/102Sr/103Sr/104Sr/105Sr/106Sr/107Sr/108Sr/103Y/104Y/105Y/106Y/107Y/108Y/109Y/110Y/111Y/105Zr/106Zr/107Zr/108Zr/109Zr/110Zr/111Zr/112Zr/113Zr/114Zr/108Nb/109Nb/110Nb/111Nb/112Nb/113Nb/114Nb/115Nb/116Nb/117Nb/111Mo/112Mo/113Mo/114Mo/115Mo/116Mo/117Mo/118Mo/119Mo/114Tc/115Tc/116Tc/117Tc/118Tc/119Tc/120Tc/121Tc/117Ru/118Ru/119Ru/120Ru/121Ru/122Ru/120Rh/121Rh/122Rh/123Rh, E=345 MeV/nucleon; measured reaction products and production yields and σ, with particle-identifications through energy loss, time of flight, and magnetic rigidities using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility. Comparison with theoretical calculations using LISE++ code. 101Br, 102Kr, 105Rb, 106Rb, 108Sr, 110,111Y, 114Zr, 117Nb; identified new neutron-rich. 99,100Br; no evidence found for production.

doi: 10.1103/PhysRevC.103.014614
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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
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2020BE24      Phys.Rev. C 102, 034314 (2020)

F.L.Bello Garrote, E.Sahin, Y.Tsunoda, T.Otsuka, A.Gorgen, M.Niikura, S.Nishimura, G.de Angelis, G.Benzoni, A.I.Morales, V.Modamio, Z.Y.Xu, H.Baba, F.Browne, A.M.Bruce, S.Ceruti, F.C.L.Crespi, R.Daido, M.-C.Delattre, P.Doornenbal, Zs.Dombradi, Y.Fang, S.Franchoo, G.Gey, A.Gottardo, K.Hadynska-Klek, T.Isobe, P.R.John, H.S.Jung, I.Kojouharov, T.Kubo, N.Kurz, I.Kuti, Z.Li, G.Lorusso, I.Matea, K.Matsui, D.Mengoni, T.Miyazaki, S.Momiyama, P.Morfouace, D.R.Napoli, F.Naqvi, H.Nishibata, A.Odahara, R.Orlandi, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, P.-A.Soderstrom, D.Sohler, I.G.Stefan, T.Sumikama, D.Suzuki, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, H.Watanabe, V.Werner, J.Wu, A.Yagi, M.Yalcinkaya, R.Yokoyama, K.Yoshinaga

β-decay of 75Ni and the systematics of the low-lying level structure of neutron-rich odd-A Cu isotopes

RADIOACTIVITY 75Ni(β-), (β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by mass separation and identification of fragments of interest using the BigRIPS separator and ZeroDegree spectrometer, and implanted in WAS3ABi stopper at RIBF-RIKEN facility]; measured Eβ, Eγ, Iγ, γγ-coin, (implants)β-correlations, (implants)βγ-coin using the EURICA array for γ detection, half-life and %β-n or Pn for the decay of 75Ni. 75Cu; deduced levels, J, π, Iβ, logft values. Comparison with Monte Carlo shell model (MCSM) calculations. 74Cu, 75,76,77,78Zn, 76,80,81Ga, 80,81Ge(β-); observed γ rays in spectral Fig. 1.

NUCLEAR STRUCTURE 75Cu; calculated levels, J, π. 75,77Cu; calculated occupation numbers of proton and neutron orbits, potential energy surfaces for different spin states. 69,71,73,75,77,79Cu; systematics of energies of the first 1/2- states and corresponding B(E2) values, energies and decay sequences of particle-core coupling states, intruder states. Monte Carlo shell model calculations were performed using the A3DA interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.102.034314
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2020GO06      Phys.Rev. C 102, 014323 (2020)

A.Gottardo, G.de Angelis, P.Doornenbal, L.Coraggio, A.Gargano, N.Itaco, K.Kaneko, P.Van Isacker, T.Furumoto, G.Benzoni, J.Lee, H.Liu, M.Matsushita, D.Mengoni, V.Modamio-Hoybjor, S.Momiyama, T.Motobayashi, D.R.Napoli, M.Niikura, E.Sahin, Y.Shiga, H.Sakurai, R.Taniuchi, S.Takeuchi, H.Wang, J.J.Valiente-Dobon, R.Avigo, H.Baba, N.Blasi, F.L.Bello Garrote, F.Browne, F.C.L.Crespi, S.Ceruti, R.Daido, M.-C.Delattre, D.Fang, Zs.Dombradi, T.Isobe, I.Kuti, G.Lorusso, K.Matsui, B.Melon, T.Miyazaki, S.Nishimura, R.Orlandi, Z.Patel, S.Rice, L.Sinclair, P.A.Soderstrom, D.Sohler, T.Sumikama, J.Taprogge, Zs.Vajta, H.Watanabe, O.Wieland, J.Wu, Z.Y.Xu, M.Yalcinkaya, R.Yokoyama

Transition strengths in the neutron-rich 73, 74, 75Ni isotopes

NUCLEAR REACTIONS Pb(73Ni, 73Ni'), (74Ni, 74Ni'), (75Ni, 75Ni'), E=215 MeV/nucleon, [secondary cocktail beam from 9Be(238U, F), E=345 MeV/nucleon, and separated by A/Q using the BigRIPS fragment separator at RIBF-RIKEN facility]; measured reaction products identified by the ZeroDegree spectrometer, Eγ, Iγ, (scattered Ni nuclei)γ-coin using the WAS3Abi-EURICA setup with the DALI2 NaI(Tl) array for γ detection. 73,74,75Ni; deduced levels, J, π, B(E2) from Coulomb excitation cross sections. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevC.102.014323
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2020HA14      Phys.Rev. C 101, 044311 (2020)

J.Ha, T.Sumikama, F.Browne, N.Hinohara, A.M.Bruce, S.Choi, I.Nishizuka, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, H.Watanabe, R.Daido, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, A.Yagi, H.Baba, N.Chiga, R.Carroll, F.Didierjean, Y.Fang, N.Fukuda, G.Gey, E.Ideguchi, N.Inabe, T.Isobe, D.Kameda, I.Kojouharov, N.Kurz, T.Kubo, S.Lalkovski, Z.Li, R.Lozeva, H.Nishibata, A.Odahara, Zs.Podolyak, P.H.Regan, O.J.Roberts, H.Sakurai, H.Schaffner, G.S.Simpson, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, V.Werner, O.Wieland

Shape evolution of neutron-rich 106, 108, 110Mo isotopes in the triaxial degree of freedom

RADIOACTIVITY 106,108,110Nb, 106,108,110Zr(β-); 108,110Nb(β-n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation of ions using BigRIPS fragment separator and transported through the ZeroDegree spectrometer at RIBF-RIKEN facility]; measured Eγ, Iγ, β-, β-γγ-coin, and half-lives of decays of 106Nb, 108Nb, 110Nb and 110Zr from β-delayed γ-decay curves, half-lives of the first 2+ states in 106Mo, 108Mo and 110Mo using WAS3ABi system for ion and β- detection, EURICA array for γ detection, and fast-timing array for level half-lives. 106,108,110Mo; deduced levels, J, π, bands, configurations, β feedings, logft, B(E2) ratios, quadrupole deformation, kinematic moment of inertia for the ground bands, staggering pattern. 108,110Nb; deduced %β-n or Pn from the β-delayed γ rays emitted from the daughter nuclei, two β-decaying states or an isomer in 110Nb. 106,108,110Nb; deduced J, π; discussed Nilsson configurations. Comparison with theoretical calculations. Systematics of E(4+)/E(first 2+) ratios in N(even)=56-72, Zr, Mo, Ru and Pd isotopes, and level energy staggering pattern relative to the first 2+ states in N=64, 66, 68 Mo, Ru, and Pd isotopes.

NUCLEAR STRUCTURE 106,108,110Mo; calculated levels, J, π, potential-energy surface (PES) contours and the collective-wave functions for low-lying positive-parity states. Comparison with beyond-meanfield calculations using the constrained Hartree-Fock-Bogoliubov and local quasiparticle-random-phase approximation with SLy5+T interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.044311
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2020PA25      Phys.Rev. C 102, 014304 (2020)

J.Park, R.Krucken, A.Blazhev, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

Spectroscopy of 99Cd and 101In from β decays of 99In and 101Sn

RADIOACTIVITY 99In(EC), (β+), 101Sn(EC), (β+), (β+p)[from 9Be(124Xe, X), E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and the ZeroDegree spectrometer at RIBF-RIKEN facility]; measured β-correlated γ spectra, Eγ, Iγ, γγ-coin using the WAS3ABi detector and the EURICA array; generated hypothetical βγ-coin and βγγ-coin matrices. 99Cd, 101In; deduced levels, J, π. 101Sn(β+p); analyzed intensity distributions of β-delayed proton emission branches as a function of the excitation energy; calculated partial half-lives of electromagnetic decay and proton emission. Comparison of level structure with phenomenological shell model using SR88MHJM interaction, and β+p decay with semi-empirical proton emission theory by Delion, Liotta, and Wyss 2006.

doi: 10.1103/PhysRevC.102.014304
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2020WU04      Phys.Rev. C 101, 042801 (2020)

J.Wu, S.Nishimura, P.Moller, M.R.Mumpower, R.Lozeva, C.B.Moon, A.Odahara, H.Baba, F.Browne, R.Daido, P.Doornenbal, Y.F.Fang, M.Haroon, T.Isobe, H.S.Jung, G.Lorusso, B.Moon, Z.Patel, S.Rice, H.Sakurai, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, T.Sumikama, H.Watanabe, Z.Y.Xu, A.Yagi, R.Yokoyama, D.S.Ahn, F.L.Bello Garrote, J.M.Daugas, F.Didierjean, N.Fukuda, N.Inabe, T.Ishigaki, D.Kameda, I.Kojouharov, T.Komatsubara, T.Kubo, N.Kurz, K.Y.Kwon, S.Morimoto, D.Murai, H.Nishibata, H.Schaffner, T.M.Sprouse, H.Suzuki, H.Takeda, M.Tanaka, K.Tshoo, Y.Wakabayashi

β-decay half-lives of 55 neutron-rich isotopes beyond the N = 82 shell gap

RADIOACTIVITY 134,135,136,137,138,139Sn, 134,135,136,137,138,139,140,141,142Sb, 137,138,139,140,141,142,143,144Te, 140,141,142,143,144,145,146I, 142,143,144,145,146,147,148Xe, 145,146,147,148,149,150,151Cs, 148,149,150,151,152,153Ba, 151,152,153,154,155La(β-)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation of fragments using BigRIPS separator at RIBF-RIKEN]; measured β and γ radiations, half-lives by (implant)β and (implant)βγ correlations using the Wide range Active Silicon-Strip Stop per Array for Beta and ion (WAS3ABi) detection system and Euroball RIKEN Cluster Array (EURICA) of 84 Ge cluster detectors. Comparison with previously available experimental half-lives, and with theoretical calculations using FRDM+QRPA, KTUY+GT2, RHB+pn-RQRPA, and DF+CQRPA models. 141Te(β-); calculated half-life and Gamow-Teller strengths using FRDM+QRPA(2019) model, and compared with experimental data. Discussed and calculated effects of new half-life data on r-process abundance.

doi: 10.1103/PhysRevC.101.042801
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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
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2019ES03      Phys.Rev.Lett. 123, 022502 (2019)

M.Estienne, M.Fallot, A.Algora, J.Briz-Monago, V.M.Bui, S.Cormon, W.Gelletly, L.Giot, V.Guadilla, D.Jordan, L.Le Meur, A.Porta, S.Rice, B.Rubio, J.L.Tain, E.Valencia, A.-A.Zakari-Issoufou

Updated Summation Model: An Improved Agreement with the Daya Bay Antineutrino Fluxes

NUCLEAR REACTIONS 1H(ν-bar, e+), E ∼ 2 MeV; analyzed available data for 235,238U, 239,241Pu anitineutrino spectra; deduced a new summation method model of the reactor antineutrino energy spectrum without any renormalization, better agreement with the Huber-Mueller model in the 2-5 MeV range.

doi: 10.1103/PhysRevLett.123.022502
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2019LU08      Phys.Rev.Lett. 122, 222502 (2019)

D.Lubos, J.Park, T.Faestermann, R.Gernhauser, R.Krucken, M.Lewitowicz, S.Nishimura, H.Sakurai, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, Y.K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, N.Warr, H.Watanabe, J.Wu, Z.Xu

Improved Value for the Gamow-Teller Strength of the 100Sn Beta Decay

RADIOACTIVITY 100Sn(β+) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced Gamow-Teller Strength, Q-value, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.122.222502
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2019PA16      Phys.Rev. C 99, 034313 (2019)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

New and comprehensive β- and βp-decay spectroscopy results in the vicinity of 100Sn

RADIOACTIVITY 87,88,88mTc, 88,89,91,91mRu, 90,90m,91,91m,92,92mRh, 92,93,94,95,95mPd, 94,94m,95,96,96mAg, 96,96m,97,97m,98,99Cd, 98,98m,99,100,101In, 101Sn(β+), (β+p)[from 9Be(124Xe, X), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ- and βγ-coin, β+p spectra, half-lives of ground states and isomers from β decay βγ-coin, and βp decay curves, Q(β+), and %b+p branching ratios using the WAS3ABi double-sided silicon strip detector array for β+ detection and the Euroball-RIKEN Cluster Array for γ detection at RIKEN Nishina Center. 88Mo, 88,89,91Tc, 90,91,92Ru, 92,93,94Rh, 95,96Pd, 96,97Ag, 98Cd; deduced levels, J , π, multipolarities, β feedings and logft. Comparison with Serduke-Lawson-Gloeckner empirical shell model in proton and neutron p1/2 and g9/2 model space below 100Sn core.

NUCLEAR REACTIONS 9Be(124Xe, X)87Ru/88Ru/89Ru/90Ru/91Ru/92Ru/93Ru/90Rh/91Rh/92Rh/93Rh/94Rh/95Rh/91Pd/92Pd/93Pd/94Pd/95Pd/96Pd/97Pd/93Ag/94Ag/95Ag/96Ag/97Ag/98Ag/95Cd/96Cd/97Cd/98Cd/99Cd/97In/98In/99In/100In/99Sn/100Sn/101Sn, E=345 MeV/nucleon; measured yields, particle identification plot using BigRIPS and the ZeroDegree spectrometers, Bρ-TOF-ΔE technique with position-sensitive parallel-plate avalanche counters, plastic scintillators and gas-filled ionization chamber at RIBF-RIKEN facility.

doi: 10.1103/PhysRevC.99.034313
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2019RA04      Phys.Rev.Lett. 122, 052502 (2019)

A.Ratkiewicz, J.A.Cizewski, J.E.Escher, G.Potel, J.T.Burke, R.J.Casperson, M.McCleskey, R.A.E.Austin, S.Burcher, R.O.Hughes, B.Manning, S.D.Pain, W.A.Peters, S.Rice, T.J.Ross, N.D.Scielzo, C.Shand, K.Smith

Towards Neutron Capture on Exotic Nuclei: Demonstrating (d, pγ) as a Surrogate Reaction for (n, γ)

NUCLEAR REACTIONS 95Mo(d, p), E=12.4 MeV; measured reaction products, Eγ, Iγ; deduced σ. Comparison with theoretical calculations.

doi: 10.1103/PhysRevLett.122.052502
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2019SI33      Phys.Rev. C 100, 044311 (2019)

L.Sinclair, R.Wadsworth, J.Dobaczewski, A.Pastore, G.Lorusso, H.Suzuki, D.S.Ahn, H.Baba, F.Browne, P.J.Davies, P.Doornenbal, A.Estrade, Y.Fang, N.Fukuda, J.Henderson, T.Isobe, D.G.Jenkins, S.Kubono, Z.Li, D.Lubos, S.Nishimura, I.Nishizuka, Z.Patel, S.Rice, H.Sakurai, Y.Shimizu, P.Schury, H.Takeda, P.-A.Soderstrom, T.Sumikama, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu

Half-lives of 73Sr and 76Y and the consequences for the proton dripline

NUCLEAR REACTIONS 9Be(124Xe, X)67As/68As/69As/70As/68Se/69Se/70Se/71Se/72Se/70Br/71Br/72Br/73Br/71Kr/72Kr/73Kr/74Kr/73Sr/74Sr/75Sr/74Rb/75Rb/76Y, E=345 MeV/nucleon; measured reaction products, yields, particle identification spectra A/Q versus Z using, β and γ radiation using BigRIPS and the Zerodegree spectrometer (ZDS) for the identification of ions by Z and A/Q through the ΔE-Bρ-TOF method, and β-counting system WAS3ABi with the γ-ray detection array EURICA at RIBF-RIKEN facility. 70Br, 71Kr, 73,74Sr, 75Sr, 74,75Rb, 76Y; measured half-lives of the decays of the ground states, and compared with available literature values; deduced proton drip line. 73Sr, 76Y; identified new isotopes. 72Rb, 76Y; calculated neutron and proton single-particle levels and deformation energies as functions of deformation β calculated using Skyrme functional UNEDF0; discussed prominent proton decay mode for 72Rb in contrast to mainly β+ decay for 76Y, configurations.

doi: 10.1103/PhysRevC.100.044311
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2018MO33      Phys.Lett. B 781, 706 (2018)

A.I.Morales, G.Benzoni, H.Watanabe, G.de Angelis, S.Nishimura, L.Coraggio, A.Gargano, N.Itaco, T.Otsuka, Y.Tsunoda, P.Van Isacker, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.J.Valiente-Dobon, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, A.M.Bruce, F.Camera, S.Ceruti, F.C.L.Crespi, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, S.Lalkovski, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, Zs.Podolyak, P.H.Regan, H.Sakurai, E.Sahin, D.Sohler, H.Schaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, O.Wieland, M.Yalcinkaya

Is seniority a partial dynamic symmetry in the first νg9/2 shell?

RADIOACTIVITY 72,74Co(β-) [from 9Be(238U, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ; deduced γ-ray energies, levels, isomeric states, seniority scheme, B(E2), the disappearance of the seniority isomerism. Comparison with available data. The MCSM calculations. The first in-flight β-delayed fast-timing study. The RIBF facility in RIKEN within the EURICA collaboration.

doi: 10.1016/j.physletb.2018.04.049
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2018PA20      Phys.Rev. C 97, 051301R (2018)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

β decays of the heaviest N=Z-1 nuclei and proton instability of 97In

RADIOACTIVITY 91Pd, 95Cd, 97In, 97mIn, 99Sn(β+p) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured decay products, Iβ, Eβ, Ip, Ep, Iγ, Eγ; deduced T1/2, Q-values, β-delayed proton emission branching ratios, log ft, isomeric ratio. Comparison shell model calculations, available experimental and mass evaluated data.

doi: 10.1103/PhysRevC.97.051301
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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
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2017BR12      Phys.Rev. C 96, 024309 (2017)

F.Browne, A.M.Bruce, T.Sumikama, I.Nishizuka, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, H.Watanabe, R.Daido, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, A.Yagi, H.Baba, N.Chiga, R.Carroll, F.Didierjean, Y.Fang, N.Fukuda, G.Gey, E.Ideguchi, N.Inabe, T.Isobe, D.Kameda, I.Kojouharov, N.Kurz, T.Kubo, S.Lalkovski, Z.Li, R.Lozeva, N.Nishibata, A.Odahara, Zs.Podolyak, P.H.Regan, O.J.Roberts, H.Sakurai, H.Schaffner, G.S.Simpson, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, V.Werner, O.Wieland

K selection in the decay of the (ν5/2[532] (X) 3/2 [411]) 4- isomeric state in 102Zr

RADIOACTIVITY 102Y(β-)[from 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, energy-time matrices in coincidence with position-correlated β decays and 102Y ions, isomer half-life by βγγ(t) fast-timing method using BigRIPS spectrometer for ion separation, WAS3ABi system for ion and β detection and EURICA array for γ detection at RIBF-RIKEN facility. 102Zr; deduced levels, J, π, K for the isomer, B(E1), B(M1), Weisskopf hindrance factors, configuration for the isomer. Comparison with Weisskopf hindrance factors for the transitions from the decay of 4- isomer in 100Sr.

doi: 10.1103/PhysRevC.96.024309
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2017CA12      Phys.Rev. C 95, 064322 (2017)

R.Caballero-Folch, C.Domingo-Pardo, J.Agramunt, A.Algora, F.Ameil, Y.Ayyad, J.Benlliure, M.Bowry, F.Calvino, D.Cano-Ott, G.Cortes, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.R.Garcia, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Yu.A.Litvinov, L.Maier, J.Marganiec, M.Marta, T.Martinez, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, Ch.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, J.L.Tain, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.J.Woods, A.Yeremin

β-decay half-lives and β-delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb, and Bi, beyond N=126

RADIOACTIVITY 204,205,206Au, 208,209,210,211Hg, 211,212,213,214,215,216Tl, 215,216,217,218Pb, 218,219,220Bi(β-)[from 9Be(238U, X), E=1 GeV/nucleon using FRS at GSI]; 210,211Hg, 211,212,213,214,215,216Tl(β-n); measured Eβ, Iβ, E(n), I(n), β-decay half-lives, beta-delayed neutron emission probabilities using BELEN array of 30 3He neutron counters. Comparison with previous experimental values, and with several theoretical calculations.

NUCLEAR REACTIONS 9Be(238U, X)200Pt/201Pt/202Pt/203Pt/204Pt/205Pt/203Au/204Au/205Au/206Au/207Au/208Au/209Au/206Hg/207Hg/208Hg/209Hg/210Hg/211Hg/212Hg/213Hg/209Tl/210Tl/211Tl/212Tl/213Tl/214Tl/215Tl/216Tl/212Pb/213Pb/214Pb/215Pb/216Pb/217Pb/218Pb/219Pb/215Bi/216Bi/217Bi/218Bi/219Bi/220Bi/221Bi/222Bi, 220Po/221Po/222Po/223Po/224Po/225Po/226Po/227Po/223At/223At/224At/225At/226At/227At/228At/229At/230At/226Rn/227Rn/228Rn/229Rn/230Rn/231Rn/230Fr/231Fr/232Fr, E=1 GeV/nucleon; measured reaction products, particle identification (A/Z) plots, number of implants using FRS separator and segmented silicon detectors (SIMBA) at UNILAC-GSI facility.

doi: 10.1103/PhysRevC.95.064322
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2017MO02      Phys.Lett. B 765, 328 (2017)

A.I.Morales, G.Benzoni, H.Watanabe, Y.Tsunoda, T.Otsuka, S.Nishimura, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, H.Sakurai, E.Sahin, D.Sohler, H.Schaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, O.Wieland, M.Yalcinkaya

Type II shell evolution in A = 70 isobars from the N ≥ 40 island of inversion

RADIOACTIVITY 70Fe, 70Co(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, β-feeding, log ft, B(GT). Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2016.12.025
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2017MO12      Phys.Rev. C 95, 044322 (2017)

B.Moon, C.-B.Moon, P.-A.Soderstrom, A.Odahara, R.Lozeva, B.Hong, F.Browne, H.S.Jung, P.Lee, C.S.Lee, A.Yagi, C.Yuan, S.Nishimura, P.Doornenbal, G.Lorusso, T.Sumikama, H.Watanabe, I.Kojouharov, T.Isobe, H.Baba, H.Sakurai, R.Daido, Y.Fang, H.Nishibata, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, Y.Shimizu, D.Murai, F.L.Bello Garrote, J.M.Daugas, F.Didierjean, E.Ideguchi, T.Ishigaki, S.Morimoto, M.Niikura, I.Nishizuka, T.Komatsubara, Y.K.Kwon, K.Tshoo

Nuclear structure and β-decay schemes for Te nuclides beyond N=82

RADIOACTIVITY 140Sb(β-), (β-n), (β-2n)[From 9Be(238U, F), E=345 MeV/nucleon]; measured Eγ, Iγ, half-life of 140Sb decay, βγ-, γγ-coin at RIBF-RIKEN facility. 138,139,140Te; deduced levels, J, π, β feedings, delayed one- and two-neutron decay probabilities (Pn and P2n), logft. Systematics of E(4+)/E(2+) values for nuclei with Z=50-70 with N=76-88. Discussed reduction of neutron-pairing energy.

doi: 10.1103/PhysRevC.95.044322
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2017MO19      Phys.Rev. C 96, 014325 (2017)

B.Moon, C.-B.Moon, A.Odahara, R.Lozeva, P.-A.Soderstrom, F.Browne, C.Yuan, A.Yagi, B.Hong, H.S.Jung, P.Lee, C.S.Lee, S.Nishimura, P.Doornenbal, G.Lorusso, T.Sumikama, H.Watanabe, I.Kojouharov, T.Isobe, H.Baba, H.Sakurai, R.Daido, Y.Fang, H.Nishibata, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, Y.Shimizu, D.Murai, F.L.Bello Garrote, J.M.Daugas, F.Didierjean, E.Ideguchi, T.Ishigaki, S.Morimoto, M.Niikura, I.Nishizuka, T.Komatsubara, Y.K.Kwon, K.Tshoo

β-decay scheme of 140Te to 140I: Suppression of Gamow-Teller transitions between the neutron h9/2 and proton h11/2 partner orbitals

RADIOACTIVITY 140Te(β-), (β-n)[from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS separator at RIBF-RIKEN]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of 140Te decay using EUROBALL-RIKEN Cluster Array (EURICA) for γ rays and WAS3ABi array for β and ion detection. 140I; deduced levels, J, π, logft, multipolarities, configurations. Comparison with shell model and Nilsson model calculations. Systematic of Gamow-Teller strengths of 1+ states in 136,140,142I, 142,146Cs, 142,144,146,148La, 146Pr. 139I; observed γ rays.

doi: 10.1103/PhysRevC.96.014325
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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
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2017PA35      Phys.Rev. C 96, 044311 (2017); Pub.Note Phys.Rev. C 96, 049901 (2017); Erratum Phys.Rev. C 97, 019901 (2018); Erratum Phys.Rev. C 103, 0499011 (2021)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

Properties of γ-decaying isomers and isomeric ratios in the 100Sn region

NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/90Nb/90Mo/90Rh/91Nb/92Mo/92Rh/92Tc/92Ru/93Ru/94Ru/94Pd/94Ag/95Pd/95Ag/96Pd/96Ag/97Cd/98Cd/98In/98Ag/100Sn, E=345 MeV/nucleon; measured reaction products, half-lives of micro-second isomers and isomeric ratios using 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 88mZr, 90mNb, 90m,92mMo, 92mRh, 92mTc, 92m,93mRu, 94m,96mPd, 96m,98mAg, 98mCd(IT)[from 9Be(124Xe, X), E=345 MeV/nucleon]; measured Eγ, Iγ, branching ratios, γγ-coin, isomer half-lives by γ(t), isomeric ratios using BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. 88Zr, 90Nb, 90,92Mo, 92Rh, 92Tc, 92,93Ru, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, multipolarities, B(E1), B(E2), B(M2), B(E3), B(E4). Comparison with previous experimental results, and with shell model calculations using NUSHELLX code and SLGM interaction. 100Sn; search for a core-excited isomer in 100Sn decaying by E2 proved negative; calculated upper limit for half-life and lower limit for Eγ of an hypothetical isomer in 100Sn decaying by E2.

doi: 10.1103/PhysRevC.96.044311
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2017RI08      Phys.Rev. C 96, 014320 (2017)

S.Rice, A.Algora, J.L.Tain, E.Valencia, J.Agramunt, B.Rubio, W.Gelletly, P.H.Regan, A.-A.Zakari-Issoufou, M.Fallot, A.Porta, J.Rissanen, T.Eronen, J.Aysto, L.Batist, M.Bowry, V.M.Bui, R.Caballero-Folch, D.Cano-Ott, V.-V.Elomaa, E.Estevez, G.F.Farrelly, A.R.Garcia, B.Gomez-Hornillos, V.Gorlychev, J.Hakala, M.D.Jordan, A.Jokinen, V.S.Kolhinen, F.G.Kondev, T.Martinez, P.Mason, E.Mendoza, I.Moore, H.Penttila, Zs.Podolyak, M.Reponen, V.Sonnenschein, A.A.Sonzogni, P.Sarriguren

Total absorption spectroscopy study of the β decay of 86Br and 91Rb

RADIOACTIVITY 86Br, 91Rb(β-)[from U(p, F), E not given, radioactive beams purified by JYFLTRAP Penning trap at Jyvaskyla]; measured Eγ, Iγ, βγ-coin, total absorption gamma spectrum (TAGS) using Valencia-Surrey Total Absorption Spectrometer Rocinante at the IGISOL facility of the University of Jyvaskyla; deduced mean average energy for β particles and γ rays, β spectra, B(GT) strengths, impact of the investigated decays in the prediction of decay heat and antineutrino spectrum from nuclear reactors. Comparison with previous experimental data, with the evaluated high-resolution decay data in the ENSDF database at NNDC-BNL, and with quasiparticle random-phase approximation calculations.

doi: 10.1103/PhysRevC.96.014320
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2017SU31      Phys.Rev.Lett. 119, 192503 (2017)

H.Suzuki, L.Sinclair, P.-A.Soderstrom, G.Lorusso, P.Davies, L.S.Ferreira, E.Maglione, R.Wadsworth, J.Wu, Z.Y.Xu, S.Nishimura, P.Doornenbal, D.S.Ahn, F.Browne, N.Fukuda, N.Inabe, T.Kubo, D.Lubos, Z.Patel, S.Rice, Y.Shimizu, H.Takeda, H.Baba, A.Estrade, Y.Fang, J.Henderson, T.Isobe, D.Jenkins, S.Kubono, Z.Li, I.Nishizuka, H.Sakurai, P.Schury, T.Sumikama, H.Watanabe, V.Werner

Discovery of 72Rb: A Nuclear Sandbank Beyond the Proton Drip Line

NUCLEAR REACTIONS 9Be(124Xe, X)72Rb/73Rb/77Zr, E=345 MeV/nucleon; measured reaction products; deduced T1/2. Comparison with shell model calculations using the GXPF1A interaction.

doi: 10.1103/PhysRevLett.119.192503
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2017VA04      Phys.Rev. C 95, 024320 (2017)

E.Valencia, J.L.Tain, A.Algora, J.Agramunt, E.Estevez, M.D.Jordan, B.Rubio, S.Rice, P.Regan, W.Gelletly, Z.Podolyak, M.Bowry, P.Mason, G.F.Farrelly, A.Zakari-Issoufou, M.Fallot, A.Porta, V.M.Bui, J.Rissanen, T.Eronen, I.Moore, H.Penttila, J.Aysto, V.-V.Elomaa, J.Hakala, A.Jokinen, V.S.Kolhinen, M.Reponen, V.Sonnenschein, D.Cano-Ott, A.R.Garcia, T.Martinez, E.Mendoza, R.Caballero-Folch, B.Gomez-Hornillos, V.Gorlychev, F.G.Kondev, A.A.Sonzogni, L.Batist

Total absorption γ-ray spectroscopy of the β- delayed neutron emitters 87Br, 88Br, and 94Rb

RADIOACTIVITY 87,88Br, 94Rb(β-)[from U(p, F), E=25 MeV]; measured β-gated Eγ, Iγ, total absorption γ spectra (TAGS) using Rocinante TAS, IGISOL mass separator and JYFLTRAP Penning Trap at the University of Jyvaskyla cyclotron facility. 87Kr, 88Kr, 94Sr; deduced Iβ, β feedings, average γ- and β-decay energies, gamma-to-neutron branching ratio, reactor decay heat impact, reactor antineutrino spectrum impact. Comparison with previous data, and with Hauser-Feshbach calculations. Tables of the β-intensity distributions deduced in this work are supplied in supplementary file.

doi: 10.1103/PhysRevC.95.024320
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2017WU04      Phys.Rev.Lett. 118, 072701 (2017)

J.Wu, S.Nishimura, G.Lorusso, P.Moller, E.Ideguchi, P.-H.Regan, G.S.Simpson, P.-A.Soderstrom, P.M.Walker, H.Watanabe, Z.Y.Xu, H.Baba, F.Browne, R.Daido, P.Doornenbal, Y.F.Fang, G.Gey, T.Isobe, P.S.Lee, J.J.Liu, Z.Li, Z.Korkulu, Z.Patel, V.Phong, S.Rice, H.Sakurai, L.Sinclair, T.Sumikama, M.Tanaka, A.Yagi, Y.L.Ye, R.Yokoyama, G.X.Zhang, T.Alharbi, N.Aoi, F.L.Bello Garrote, G.Benzoni, A.M.Bruce, R.J.Carroll, K.Y.Chae, Z.Dombradi, A.Estrade, A.Gottardo, C.J.Griffin, H.Kanaoka, I.Kojouharov, F.G.Kondev, S.Kubono, N.Kurz, I.Kuti, S.Lalkovski, G.J.Lane, E.J.Lee, T.Lokotko, G.Lotay, C.-B.Moon, H.Nishibata, I.Nishizuka, C.R.Nita, A.Odahara, Zs.Podolyak, O.J.Roberts, H.Schaffner, C.Shand, J.Taprogge, S.Terashima, Z.Vajta, S.Yoshida

94 β-Decay Half-Lives of Neutron-Rich 55Cs to 67Ho: Experimental Feedback and Evaluation of the r-Process Rare-Earth Peak Formation

RADIOACTIVITY 144,145,146,147,148,149,150,151Cs, 146,147,148,149,150,151,152,153,154Ba, 148,149,150,151,152,153,154,155,156La, 150,151,152,153,154,155,156,157,158Ce, 153,154,155,156,157,158,159,160Pr, 156,157,158,159,160,161,162Nd, 159,160,161,162,163Pm, 160,161,162,163,164,165,166Sm, 161,162,163,164,165,166,167,168Eu, 165,166,167,168,169,170Gd, 166,167,168,169,170,171,172Tb, 169,170,171,172,172m,173Dy, 172,173,174,175Ho, 174mEr(β-)[from Be(238U, X), E=345 MeV/nucleon]; measured and analyzed reaction products using BigRIPS separator and ZeroDegree Spectrometer (ZDS), γ rays, half-lives by (implant)β correlations using WAS3ABi and EURICA detection systems at RIBF-RIKEN facility; deduced Gamow-Teller strength functions, r-process abundance pattern in the solar system. Comparison with previous experimental half-lives, and with three theoretical calculations using FRDM+QRPA, KTUY+GT2, and RHB+pn-RQRPA models. Numerical values of half-lives listed in supplementary file.

doi: 10.1103/PhysRevLett.118.072701
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2016CA25      Phys.Rev.Lett. 117, 012501 (2016)

R.Caballero-Folch, C.Domingo-Pardo, J.Agramunt, A.Algora, F.Ameil, A.Arcones, Y.Ayyad, J.Benlliure, I.N.Borzov, M.Bowry, F.Calvino, D.Cano-Ott, G.Cortes, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.R.Garcia, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Yu.A.Litvinov, L.Maier, J.Marganiec, T.Marketin, M.Marta, T.Martinez, G.Martinez-Pinedo, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, Ch.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, J.L.Tain, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.Woods, A.Yeremin

First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N = 126

RADIOACTIVITY 204,205,206Au, 208,209,210,211Hg, 211,212,213Tl, 214,215,216Tl, 215,216,217,218Pb, 218,219,220Bi(β-n) [from Be(238U, X), E=1 GeV/nucleon]; measured decay products, Eβ, Iβ, En, In, β-n coinc.; deduced T1/2, neutron branching ratios. Comparison with available data, theoretical calculations.

doi: 10.1103/PhysRevLett.117.012501
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2016CE02      Phys.Rev.Lett. 116, 162501 (2016)

I.Celikovic, M.Lewitowicz, R.Gernhauser, R.Krucken, S.Nishimura, H.Sakurai, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, Y.-K.Kim, Y.K.Kwon, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, D.Lubos, K.Moschner, D.Murai, I.Nishizuka, J.Park, Z.Patel, M.Rajabali, S.Rice, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Xu

New Isotopes and Proton Emitters-Crossing the Drip Line in the Vicinity of 100Sn

NUCLEAR REACTIONS Be(124Xe, X)99Sn/100Sn/96In/97In/98In/94Cd/95Cd/92Ag/93Ag/90Pd, E=345 MeV/nucleon; measured reaction products, TOF; deduced production σ.

RADIOACTIVITY 93Ag, 89Rh(p); measured decay products, TOF; deduced T1/2.

doi: 10.1103/PhysRevLett.116.162501
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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
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2016LO01      Phys.Rev. C 93, 014316 (2016)

R.Lozeva, H.Naidja, F.Nowacki, J.Dudek, A.Odahara, C.-B.Moon, S.Nishimura, P.Doornenbal, J.-M.Daugas, P.-A.Soderstrom, T.Sumikama, G.Lorusso, J.Wu, Z.Y.Xu, H.Baba, F.Browne, R.Daido, Y.Fang, T.Isobe, I.Kojouharov, N.Kurz, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, H.Watanabe, A.Yagi, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, D.Murai, F.L.Bello Garrote, F.Didierjean, E.Ideguchi, T.Ishigaki, H.S.Jung, T.Komatsubara, Y.K.Kwon, P.Lee, C.S.Lee, S.Morimoto, M.Niikura, H.Nishibata, I.Nishizuka

New isomer found in 14051Sb89: sphericity and shell evolution between N=82 and N=90

NUCLEAR REACTIONS 9Be(238U, F)140Sb, E=345 MeV/nucleon]; measured Enullg, Inullg, delayed γγ-coin, isomer half-life using EURICA 4π array, BigRIPS and ZeroDegree spectrometers at RIBF-RIKEN. 140Sb; deduced levels, J, π, multipolarity, configuration, B(M1), B(E2). 136,140Sb; compared isomeric populations. Comparison with shell model and mean Field calculations with Woods-Saxon potential. Systematics of (6-) and (7-) states; deduced evidence for evolution of πg7/2 and πd5/2 orbitals in 134,136,140Sb, and for νf7/2 orbital evolution up to N=89. Possible spin traps.

doi: 10.1103/PhysRevC.93.014316
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2016MO07      Phys.Rev. C 93, 034328 (2016)

A.I.Morales, G.Benzoni, H.Watanabe, S.Nishimura, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, A.Yagi, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kojouharov, N.Kurz, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoyborg, S.Momiyama, D.R.Napoli, M.Niikura, R.Orlandi, H.Sakurai, E.Sahin, D.Sohler, H.Shaffner, R.Taniuchi, J.Taprogge, Zs.Vajta, J.J.Valiente-Dobon, O.Wieland, M.Yalcinkaya

Low-lying excitations in 72Ni

RADIOACTIVITY 72Co(β-), (β-n), (β-2n), 73Co(β-n)[from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS separator and ZeroDegree spectrometer at RIBF-RIKEN facility]; measured Eγ, Iγ, βγγ-coin, (72Co implants)β-correlations, half-lives of low-spin and high-spin activities of 72Co using WAS3ABi setup and EURICA array, level half-lives by fast-timing γγ(t) method. 72Ni; levels, J, π, β feedings, logft values, configurations. 70,71Ni; observed γ rays from β-delayed-neutron decay of 72Co. Comparison with previous experimental results, and with simple shell-model calculations including only neutron excitations across the fpg shells.

doi: 10.1103/PhysRevC.93.034328
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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
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2015BE32      Phys.Lett. B 751, 107 (2015)

G.Benzoni, A.I.Morales, H.Watanabe, S.Nishimura, L.Coraggio, N.Itaco, A.Gargano, F.Browne, R.Daido, P.Doornenbal, Y.Fang, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, T.Sumikama, J.Wu, Z.Y.Xu, R.Yokoyama, H.Baba, R.Avigo, F.L.Bello Garrote, N.Blasi, A.Bracco, F.Camera, S.Ceruti, F.C.L.Crespi, G.de Angelis, M.-C.Delattre, Zs.Dombradi, A.Gottardo, T.Isobe, I.Kuti, K.Matsui, B.Melon, D.Mengoni, T.Miyazaki, V.Modamio-Hoybjor

Decay properties of 68, 69, 70Mn: Probing collectivity up to N = 44 in Fe isotopic chain

RADIOACTIVITY 68,69,70Mn(β-), (β-n) [from Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced γ-ray energies, T1/2, β-delayed neutron emission probabilities. Comparison with FRDM + QRPA and KTUY + GT2 calculations.

doi: 10.1016/j.physletb.2015.10.025
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2015BR03      Acta Phys.Pol. B46, 721 (2015)

F.Browne, A.M.Bruce, T.Sumikama, I.Nishizuka, S.Nishimura, P.Doornenbal, G.Lorusso, Z.Patel, S.Rice, L.Sinclair, P.-A.Soderstrom, H.Watanabe, J.Wu, Z.Y.Xu, H.Baba, N.Chiga, R.Carroll, R.Daido, F.Didierjean, Y.Fang, G.Gey, E.Ideguchi, N.Inabe, T.Isobe, D.Kameda, I.Kojouharov, N.Kurz, T.Kubo, S.Lalkovski, Z.Li, R.Lozeva, N.Naoki, H.Nishibata, A.Odahara, Zs.Podolyak, P.H.Regan, O.J.Roberts, H.Sakurai, H.Schaffner, G.S.Simpson, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, V.Werner, O.Wieland, A.Yagi

Gamma-ray Spectroscopy in the Vicinity of 108Zr

RADIOACTIVITY 104,106Y, 106,108Nb(β-) [from Be(238U, X), E=345 MeV/nucleon; measured decay products, Eγ, Iγ; deduced T1/2, B(E2), γ-ray energies.

doi: 10.5506/APhysPolB.46.721
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2015BR13      Phys.Lett. B 750, 448 (2015)

F.Browne, A.M.Bruce, T.Sumikama, I.Nishizuka, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, H.Watanabe, R.Daido, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, A.Yagi, H.Baba, N.Chiga, R.Carroll, F.Didierjean, Y.Fang, N.Fukuda, G.Gey, E.Ideguchi, N.Inabe, T.Isobe, D.Kameda, I.Kojouharov, N.Kurz, T.Kubo, S.Lalkovski, Z.Li, R.Lozeva, H.Nishibata, A.Odahara, Zs.Podolyak, P.H.Regan, O.J.Roberts, H.Sakurai, H.Schaffner, G.S.Simpson, H.Suzuki, H.Takeda, M.Tanaka, J.Taprogge, V.Werner, O.Wieland

Lifetime measurements of the first 2+ states in 104, 106Zr: Evolution of ground-state deformations

RADIOACTIVITY 106,104Y(β-) [from 9Be(238U, X), E=345 MeV/nucleon;]; measured decay products, Eγ, Iγ; deduced lifetimes, B(E2), deformation parameters. The first fast-timing measurements from nuclides produced via the in-flight fission mechanism, comparison with shell model calculations.

doi: 10.1016/j.physletb.2015.09.043
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2015LE14      Phys.Rev. C 92, 044320 (2015)

P.Lee, C.-B.Moon, C.S.Lee, A.Odahara, R.Lozeva, A.Yagi, S.Nishimura, P.Doornenbal, G.Lorusso, P.-A.Soderstrom, T.Sumikama, H.Watanabe, T.Isobe, H.Baba, H.Sakurai, F.Browne, R.Daido, Y.Fang, H.Nishibata, Z.Patel, S.Rice, L.Sinclair, J.Wu, Z.Y.Xu, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, D.Murai, F.L.Bello Garrote, J.M.Daugas, F.Didierjean, E.Ideguchi, T.Ishigaki, H.S.Jung, T.Komatsubara, Y.K.Kwon, S.Morimoto, M.Niikura, I.Nishizuka, K.Tshoo

β-delayed γ-ray spectroscopy of non-yrast states in 138Te near the neutron drip line

RADIOACTIVITY 138Sb(β-), 139Sb(β-n)[from 9Be(238U, F), E=345 MeV/nucleon using BigRIPS separator at RIBF-RIKEN]; measured Eγ, Iγ, γγ-coin using EURICA array. 138Te; deduced levels, J, π, β feedings, logft. 138Sb; measured half-life of the ground state; deduced Jπ of the ground state from β feedings. Comparison of level structure with shell-model calculations. Systematics of energies of first 2+, 4+ and 6+ states in N=54-86 Te isotopes.

doi: 10.1103/PhysRevC.92.044320
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2015LO08      Phys.Rev. C 92, 024304 (2015); Pub.Note Phys.Rev. C 92, 029901 (2015)

R.Lozeva, A.Odahara, C.-B.Moon, S.Nishimura, P.Doornenbal, H.Naidja, F.Nowacki, P.-A.Soderstrom, T.Sumikama, G.Lorusso, J.Wu, Z.Y.Xu, H.Baba, F.Browne, R.Daido, J.-M.Daugas, F.Didierjean, Y.Fang, T.Isobe, I.Kojouharov, N.Kurz, Z.Patel, S.Rice, H.Sakurai, H.Schaffner, L.Sinclair, H.Watanabe, A.Yagi, R.Yokoyama, T.Kubo, N.Inabe, H.Suzuki, N.Fukuda, D.Kameda, H.Takeda, D.S.Ahn, D.Murai, F.L.Bello Garrote, E.Ideguchi, T.Ishigaki, H.S.Jung, T.Komatsubara, Y.K.Kwon, S.Morimoto, M.Niikura, H.Nishibata, I.Nishizuka, T.Shimoda, K.Tshoo

New decay scheme of the 13651Sb85 6- isomer

NUCLEAR REACTIONS 9Be(238U, F), E=345 MeV/nucleon; measured Eγ, Iγ, delayed γ, γγ-coin, isomer half-life by γ(t) at RIBF-RIKEN facility. 136Sb; deduced levels, 6- isomer, isomeric ratio, J, π, multipolarity, B(E2), configuration. Comparison with previous results, and with shell-model predictions.

doi: 10.1103/PhysRevC.92.024304
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2015TA17      Phys.Rev.Lett. 115, 062502 (2015)

J.L.Tain, E.Valencia, A.Algora, J.Agramunt, B.Rubio, S.Rice, W.Gelletly, P.Regan, A.-A.Zakari-Issoufou, M.Fallot, A.Porta, J.Rissanen, T.Eronen, J.Aysto, L.Batist, M.Bowry, V.M.Bui, R.Caballero-Folch, D.Cano-Ott, V.-V.Elomaa, E.Estevez, G.F.Farrelly, A.R.Garcia, B.Gomez-Hornillos, V.Gorlychev, J.Hakala, M.D.Jordan, A.Jokinen, V.S.Kolhinen, F.G.Kondev, T.Martinez, E.Mendoza, I.Moore, H.Penttila, Zs.Podolyak, M.Reponen, V.Sonnenschein, A.A.Sonzogni

Enhanced γ-Ray Emission from Neutron Unbound States Populated in β Decay

RADIOACTIVITY 87,88Br, 94Rb(β-), (β-n); measured decay products, Eβ, Iβ, En, In, Eγ, Iγ; deduced γ-ray branching ratio. Comparison with Hauser-Feshbach statistical calculations.

doi: 10.1103/PhysRevLett.115.062502
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2014AL15      Nucl.Data Sheets 120, 12 (2014)

A.Algora, E.Valencia, J.L.Tain, M.D.Jordan, J.Agramunt, B.Rubio, E.Estevez, F.Molina, A.Montaner, V.Guadilla, M.Fallot, A.Porta, A.-A.Zakari-Issoufou, V.M.Bui, S.Rice, Zs.Podolyak, P.H.Regan, W.Gelletly, M.Bowry, P.Mason, G.F.Farrelly, J.Rissanen, T.Eronen, I.Moore, H.Penttila, J.Aysto, V.Eloma, J.Hakala, A.Jokinen, V.Kolkinen, M.Reponen, V.Sonnenschein, D.Cano-Ott, T.Martinez, E.Mendoza, A.R.Garcia, M.B.Gomez Hornillos, V.Gorlychev, R.Caballero-Folch, F.G.Kondev, A.A.Sonzogni

Total Absorption Study of Beta Decays Relevant for Nuclear Applications and Nuclear Structure

RADIOACTIVITY 87,88Br(β-), (β-n); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced β-decay feeding distributions, decay heat impact. Comparison with ENDF/B-VII.1 library.

doi: 10.1016/j.nds.2014.06.129
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2014CA23      Nucl.Data Sheets 120, 81 (2014)

R.Caballero-Folch, C.Domingo-Pardo, G.Cortes, J.L.Tain, J.Agramunt, A.Algora, F.Ameil, Y.Ayyad, J.Benlliure, M.Bowry, F.Calvino, D.Cano-Ott, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.Garcia-Rios, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Y.Litvinov, L.Maier, J.Marganiec, M.Marta, T.Martinez, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, C.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.J.Woods, A.Yeremin

β-decay and β-delayed Neutron Emission Measurements at GSI-FRS Beyond N=126, for r-process Nucleosynthesis

RADIOACTIVITY 208,209,210,211Hg, 211,212,213,214,215Tl, 214,215,216,217,218Pb(β-), (β-n); measured decay products, Eβ, Iβ, En, In.; deduced preliminary T1/2.

doi: 10.1016/j.nds.2014.07.012
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2014KU10      Phys.Rev. C 89, 064305 (2014)

G.J.Kumbartzki, N.Benczer-Koller, S.Burcher, A.Ratkiewicz, S.L.Rice, Y.Y.Sharon, L.Zamick, K.-H.Speidel, D.A.Torres, K.Sieja, M.McCleskey, A.Cudd, M.Henry, A.Saastamoinen, M.Slater, A.Spiridon, S.Yu.Torilov, V.I.Zherebchevsky, G.Gurdal, S.J.Q.Robinson, S.D.Pain, J.T.Burke

Transition from collectivity to single-particle degrees of freedom from magnetic moment measurements on 8238Sr44 and 9038Sr52

NUCLEAR MOMENTS 82,90Sr, 78,86Kr; measured precession angles, g factors of first 2+ and 4+ states, second 2+ state in 78Kr by transient-field technique in Coulomb excitation and α-pickup reaction at K500-TAMU cyclotron facility. Comparison with shell-model calculations and previous experimental results. Systematics of g factors of first 2+ states in even-even nuclei with Z=30-48, N=30-70. Discussed proton subshell closures at Z=38 and Z=40.

NUCLEAR REACTIONS 12C(78Kr, 8Be), (78Kr, 78Kr'), E=249.6 MeV; 12C(86Kr, 8Be), (86Kr, 86Kr'), E=258.0, 266.6, 275.2 MeV; measured Eγ, Iγ, Eα, Iα, particle spectra, αγ-, (particle)γ-coin, angular correlations, precession angles, particle yields at Texas A-M cyclotron facility. 78,86Kr, 82,90Sr; deduced levels, g factors. Comparison with shell-model calculations and previous experimental results.

doi: 10.1103/PhysRevC.89.064305
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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
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2013AL03      Phys.Rev. C 87, 014323 (2013)

T.Alharbi, P.H.Regan, P.J.R.Mason, N.Marginean, Zs.Podolyak, A.M.Bruce, E.C.Simpson, A.Algora, N.Alazemi, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Marginean, A.Negret, M.Nakhostin, C.R.Nita, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic transition rates in the N=80 nucleus 58138Ce

NUCLEAR REACTIONS 130Te(12C, 4n), E=56 MeV; measured Eγ, Iγ, γγ-coin level half-lives by γγ(t) at NIPNE accelerator facility. 138Ce; deduced high-spin levels, J, π, B(E1), B(E2), B(M1), branching ratio. Comparison with shell model calculations. B(E2) systematics for even-even Ce and Ba isotopes.

doi: 10.1103/PhysRevC.87.014323
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2013MA66      Phys.Rev. C 88, 044301 (2013); see 2013MA74

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

NUCLEAR REACTIONS 186W(7Li, pα), E=35 MeV; measured Eγ, γγ-coin, T1/2 of first 2+ state by γγ(t) at IFIN-HH, Bucharest facility. 188W; deduced level, B(E2) for first 2+ state, enhanced γ softness in 188W. Systematics of energies of low-lying 0+, 2+ and 4+ states and B(E2) values for first 2+ states in even-even Hf, W, Os and Pt nuclei with N=102-120.

NUCLEAR STRUCTURE 184,186,188,190,192,194W; calculated Woods-Saxon potential energy surface (PES) contours in (β, γ) plane; deduced prolate to oblate shape transition.

doi: 10.1103/PhysRevC.88.044301
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2013MA74      Phys.Rev. C 88, 044301 (2013); see 2013MA66

P.J.R.Mason, Zs.Podolyak, N.Marginean, P.H.Regan, P.D.Stevenson, V.Werner, T.Alexander, A.Algora, T.Alharbi, M.Bowry, R.Britton, A.M.Bruce, D.Bucurescu, M.Bunce, G.Cata-Danil, I.Cata-Danil, N.Cooper, D.Deleanu, D.Delion, D.Filipescu, W.Gelletly, D.Ghita, I.Gheorghe, T.Glodariu, G.Ilie, D.Ivanova, S.Kisyov, S.Lalkovski, R.Lica, S.N.Liddick, R.Marginean, C.Mihai, K.Mulholland, C.R.Nita, A.Negret, S.Pascu, S.Rice, O.J.Roberts, T.Sava, J.F.Smith, P.-A.Soderstrom, L.Stroe, G.Suliman, R.Suvaila, S.Toma, C.Townsley, E.Wilson, R.T.Wood, M.Zhekova, C.Zhou

Half-life of the yrast 2+ state in 188W: Evolution of deformation and collectivity in neutron-rich tungsten isotopes

doi: 10.1103/PhysRevC.88.044301
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2013RI08      Phys.Rev. C 88, 044334 (2013)

S.L.Rice, Y.Y.Sharon, N.Benczer-Koller, G.J.Kumbartzki, L.Zamick

Systematics of low-lying state transition probabilities and excitation energies in the region 30≤Z≤38 and 30≤N≤50

NUCLEAR STRUCTURE 60,62,64,66,68,70,72,74,76,78,80Zn; 64,66,68,70,72,74,76,78,80,82Ge; 66,68,70,72,74,76,78,80,82,84Se; 72,74,76,78,80,82,84,86Kr; 76,78,80,82,84,86,88Sr; analyzed level energies of first two 2+ and first 4+ states, B(E2), E(4+)/E(2+) as function of neutron number and parameter P=NpNn/(Np+Nn). Competition between single-particle and collective modes of nuclear excitation.

doi: 10.1103/PhysRevC.88.044334
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2012AL25      J.Phys.:Conf.Ser. 381, 012057 (2012)

T.Alharbi, P.J.R.Mason, P.H.Regan, N.Marginean, Zs.Podolyak, A.Algora, N.Alazemi, A.M.Bruce, R.Britton, M.R.Bunce, D.Bucurescu, N.Cooper, D.Deleanu, D.Filipescu, W.Gelletly, D.Ghita, T.Glodariu, G.Ilie, S.Kisyov, J.Lintott, S.Lalkovski, S.Liddick, C.Mihai, K.Mulholland, R.Maginean, A.Negret, M.Nakhostin, O.J.Roberts, S.Rice, J.F.Smith, L.Stroe, T.Sava, C.Townsley, E.Wilson, V.Werner, M.Zhekova, N.V.Zamfir

Electromagnetic Transition Rate Measurements in the N=80 Isotone, 138Ce

NUCLEAR REACTIONS 130Te(12C, 4n)138Ce, E=56 MeV; measured Eγ, Iγ(t), γγ-coin using hyperpure HPGe and LaBr3(Ce); deduced levels, J, π, γ transitions, B(E1), B(E2), B(M1), branching ratios, T1/2 using centroid-shift method and fitting exponential decay.

doi: 10.1088/1742-6596/381/1/012057
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2012PR14      J.Phys.:Conf.Ser. 381, 012062 (2012)

M.G.Procter, D M.Cullen, P.Ruotsalainen, T.Braunroth, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, K.Hauschild, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Lopez-Martens, M.Leino, J.Litzinger, P.J.R.Mason, P.Nieminen, P.Peura, P.Rahkila, M.W.Reed, S.Rice, S.Rinta-Antilla, W.Rother, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, M.J.Taylor, J.Uusitalo, A.Vitturi, L.Fortunato, Y.Shi, F.R.Xu

X(5) critical-point symmetries in 138Gd

NUCLEAR REACTIONS 106Cd(36Ar, 2n2p), E=190 MeV; measured Eγ, Iγ(θ), γγ-coin using JUROGAM II; deduced T1/2, B(E2), deformation, symmetries using RDDS (Recoil-Distance Doppler-shift) with DDCM (Differential Decay Curve Method); calculated potential energy surface, deformation, transition probabilities using IBM-1. Experimental lifetimes compared with those by Bishop.

doi: 10.1088/1742-6596/381/1/012062
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2012RI09      J.Phys.:Conf.Ser. 381, 012056 (2012)

S.Rice, E.Valencia, A.Algora, J.L.Tain, P.H.Regan, Z.Podolyak, J.Agramunt, W.Gelletly, A.L.Nichols

Decay Heat Measurements Using Total Absorption Gamma-ray Spectroscopy

doi: 10.1088/1742-6596/381/1/012056
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2011PR10      Phys.Rev. C 84, 024314 (2011)

M.G.Procter, D.M.Cullen, P.Ruotsalainen, T.Braunroth, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, K.Hauschild, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Lopez-Martens, M.Leino, J.Litzinger, P.J.R.Mason, P.Nieminen, P.Peura, P.Rahkila, M.W.Reed, S.Rice, S.Rinta-Antilla, W.Rother, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, M.J.Taylor, J.Uusitalo, A.Vitturi, Y.Shi, F.R.Xu

Lifetime measurements in the transitional nucleus 138Gd

NUCLEAR REACTIONS 106Cd(36Ar, 2n2p), E=190 MeV; measured Eγ, Iγ, γγ-coin, half-lives by recoil-distance Doppler-shift method using Cologne plunger and JUROGAM II array at JYFL facility. 138Gd; deduced levels, half-lives, B(E2). 138Gd; calculated potential energy surface (PES). Comparison with X(5) critical-point and Interacting Boson Model (IBM-1) calculations.

doi: 10.1103/PhysRevC.84.024314
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