NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = H.Iwasaki Found 180 matches. Showing 1 to 100. [Next]2024HE01 Phys.Rev. C 109, 014327 (2024) J.Heery, J.Henderson, C.R.Hoffman, A.M.Hill, T.Beck, C.Cousins, P.Farris, A.Gade, S.A.Gillespie, J.D.Holt, B.Hu, H.Iwasaki, S.Kisyov, A.N.Kuchera, B.Longfellow, C.Muller-Gatermann, A.Poves, E.Rubino, R.Russell, R.Salinas, A.Sanchez, D.Weisshaar, C.Y.Wu, J.Wu Suppressed electric quadrupole collectivity in 32Si
doi: 10.1103/PhysRevC.109.014327
2023HO06 Phys.Rev. C 107, 064311 (2023) C.R.Hoffman, R.S.Lubna, E.Rubino, S.L.Tabor, K.Auranen, P.C.Bender, C.M.Campbell, M.P.Carpenter, J.Chen, M.Gott, J.P.Greene, D.E.M.Hoff, T.Huang, H.Iwasaki, F.G.Kondev, T.Lauritsen, B.Longfellow, C.Santamaria, D.Seweryniak, T.L.Tang, G.L.Wilson, J.Wu, S.Zhu Experimental study of the 38S excited level scheme NUCLEAR REACTIONS 18O(22Ne, 2p)38S, E=48.5 MeV; measured recoils, Eγ, Iγ γγ-coin, γγ(θ) (recoils)γ-coin. 38S; deduced levels, J, π, δ, ratio of the angular yields, configurations, occupancy numbers. Machine-learning techniques used in the analysis of the data. Comparison to shell-model calculations with FSU interaction. Systematics of yrast states properties for 36Si, 38S, 40Ar, 42Ca. GRETINA array consisting of 12 HPGe modules coupled with Fragment Mass Analyzer (FMA) at Argonne Tandem Linear Accelerator System (ATLAS) facility (ANL).
doi: 10.1103/PhysRevC.107.064311
2023RE02 Phys.Lett. B 838, 137704 (2023) A.Revel, J.Wu, H.Iwasaki, J.Ash, D.Bazin, B.A.Brown, J.Chen, R.Elder, P.Farris, A.Gade, M.Grinder, N.Kobayashi, J.Li, B.Longfellow, T.Mijatovic, J.Pereira, A.Poves, A.Sanchez, N.Shimizu, M.Spieker, Y.Utsuno, D.Weisshaar Large collectivity in 29Ne at the boundary of the island of inversion NUCLEAR REACTIONS 181Ta, 9Be(29Ne, 29Ne'), E=101 MeV/nucleon; measured reaction products, Eγ, Iγ. 29Ne; deduced γ-ray energies, partial level scheme, B(E2). Comparison with shell-model calculations using FSU, SDPF-M, SDPF-U-MIX and EEdf1 interactions. The GRETINA array, the TRIPLEX device, the S800 Spectrograph facilitates at the National Superconducting Cyclotron Laboratory (NSCL) at Michigan State University.
doi: 10.1016/j.physletb.2023.137704
2023RU06 Phys.Rev. C 108, 064311 (2023) R.Russell, J.Heery, J.Henderson, C.R.Hoffman, T.Beck, C.Cousins, P.Farris, A.Gade, S.A.Gillespie, A.Hill, H.Iwasaki, S.Kisyov, A.N.Kuchera, B.Longfellow, C.Muller-Gatermann, K.Nomura, E.Rubino, R.Salinas, A.Sanchez, D.Weisshaar, C.Y.Wu, J.Wu Coulomb excitation of 96Mo
doi: 10.1103/PhysRevC.108.064311
2022SC13 Phys.Rev. C 106, 054323 (2022) J.Schmitt, G.B.King, R.G.T.Zegers, Y.Ayyad, D.Bazin, B.A.Brown, A.Carls, J.Chen, A.Davis, M.DeNudt, J.Droste, B.Gao, C.Hultquist, H.Iwasaki, S.Noji, S.Pastore, J.Pereira, M.Piarulli, H.Sakai, A.Stolz, R.Titus, R.B.Wiringa, J.C.Zamora Probing spin-isospin excitations in proton-rich nuclei via the 11C(p, n)11N reaction NUCLEAR REACTIONS 1H(11C, n), E=95 MeV/nucleon; measured reaction products, time-of-flight, En, In, (particle)n-coin, angular distribution; deduced σ(θ), σ(θ, E), cumulative Gamow-Teller transition strengths, B(GT) values to the 1/2- state at 0.73 MeV and the 3/2- state at 2.86 MeV in 11N. Multipole decomposition analysis. Comparison to shell-model calculations with wbp interaction and to experimental data on the 11B(n, p), (d, 2He), (t, 3He) reactions. Ursinus liquid hydrogen target coupled to Low Energy Neutron Detector Array (LENDA) and S800 spectrograph. 11C beam produced from Be(16O, X) reaction and purified with A1900 fragment separator at Coupled Cyclotron Facility (CCF) at the NSCL.
doi: 10.1103/PhysRevC.106.054323
2022UT02 Phys.Rev. C 106, 024327 (2022) S.Uthayakumaar, M.A.Bentley, E.C.Simpson, T.Haylett, R.Yajzey, S.M.Lenzi, W.Satula, D.Bazin, J.Belarge, P.C.Bender, P.J.Davies, B.Elman, A.Gade, H.Iwasaki, D.Kahl, N.Kobayashi, B.Longfellow, S.J.Lonsdale, E.Lunderberg, L.Morris, D.R.Napoli, T.G.Parry, X.Pereira-Lopez, F.Recchia, J.A.Tostevin, R.Wadsworth, D.Weisshaar Spectroscopy of the T = 3 over 2 A = 47 and A = 45 mirror nuclei via one- and two-nucleon knockout reactions NUCLEAR REACTIONS 9Be(48Mn, 47Mn), E=84 MeV/nucleon; 9Be(48V, 47Ti), E=89 MeV/nucleon; 9Be(47Cr, 45Cr), E=81 MeV/nucleon; 9Be(47V, 45Sc), E=85 MeV/nucleon, [48Mn, 48V, 47Cr, 47V secondary beams from 9Be(58Ni, X), E=160 MeV/nucleon, followed by separation of fragments using A1900 separator and S800 spectrograph at NSCL-MSU facility]; measured reaction products, outgoing particle identification plot, Eγ, Iγ, exclusive cross sections, (particle)γ-coin, γγ-coin for mirrored nuclei produced via one- and two-nucleon knockout reactions. 47Mn, 47Ti, 45Sc, 45Cr; deduced levels, J, π, mirror-energy differences (MED) for T=3/2 mirror nuclei. Comparison with reaction model, shell-model and DFT-NCII theoretical calculations. Discussed large asymmetry in the inclusive cross sections between the A=47 mirror pair in terms of binding-energy effects.
doi: 10.1103/PhysRevC.106.024327
2021AS06 Phys.Rev. C 103, L051302 (2021) J.Ash, H.Iwasaki, T.Mijatovic, T.Budner, R.Elder, B.Elman, M.Friedman, A.Gade, M.Grinder, J.Henderson, B.Longfellow, A.Revel, D.Rhodes, M.Spieker, Y.Utsuno, D.Weisshaar, C.Y.Wu Cross-shell excitations in 46Ca studied with fusion reactions induced by a reaccelerated rare isotope beam NUCLEAR REACTIONS 7Li(45K, 2nα)46Ca, E=4.66 MeV/nucleon, [secondary 45K beam from 9Be(48Ca, X) primary reaction, followed by separation of fragments using A1900 fragment separator at NSCL-MSU]; measured charged-particle recoils, Eγ, Iγ, (particle)γγ-coin using JANUS array of SeGA array of sixteen 32-fold segmented HPGe detectors, and an annular double-sided silicon detector. 46Ca; deduced levels, J, π, rotational-like band built on the excited 0+ state, configurations. Comparison with shell-model calculations in the sd-pf-sdg orbital space.
doi: 10.1103/PhysRevC.103.L051302
2021EL06 Phys.Rev. C 104, 024307 (2021) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, D.Weisshaar Lifetime measurements probing collectivity in the ground-state band of 32Mg NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 30Mg), E=60 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 meV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at the NSCL-Coupled Cyclotron Facility]; measured reaction products by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (32Mg)γ-coin, half-lives of the first 2+ and 4+ levels in 32Mg and first 2+ in 30Mg using GRETINA array for γ detection and TRIPLEX plunger device. 30,32Mg; deduced levels, J, π, B(E2). Comparison with shell-model calculations using SDPF-M, SDPF-U-MIX, AMPGCM, EKK, USDA and CHFB+LQRPA interactions, and with previous experimental B(E2) results. Systematics of measured B(E2) for first 2+ state in even-even Z=12 isotopes from N=16 to N=24, and those of theoretical B(E2) from N=16 to N=28.
doi: 10.1103/PhysRevC.104.024307
2021GA15 Phys.Rev.Lett. 126, 152701 (2021) B.Gao, S.Giraud, K.A.Li, A.Sieverding, R.G.T.Zegers, X.Tang, J.Ash, Y.Ayyad-Limonge, D.Bazin, S.Biswas, B.A.Brown, J.Chen, M.DeNudt, P.Farris, J.M.Gabler, A.Gade, T.Ginter, M.Grinder, A.Heger, C.Hultquist, A.M.Hill, H.Iwasaki, E.Kwan, J.Li, B.Longfellow, C.Maher, F.Ndayisabye, S.Noji, J.Pereira, C.Qi, J.Rebenstock, A.Revel, D.Rhodes, A.Sanchez, J.Schmitt, C.Sumithrarachchi, B.H.Sun, D.Weisshaar New 59Fe Stellar Decay Rate with Implications for the 60Fe Radioactivity in Massive Stars NUCLEAR REACTIONS 59Co(t, 3He)59Fe, E=115 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ(θ), B(GT), β-decay rates. Comparison with stellar evolution calculations.
doi: 10.1103/PhysRevLett.126.152701
2021MA55 Phys.Rev. C 104, 024608 (2021) J.Manfredi, J.Lee, A.M.Rogers, M.B.Tsang, W.G.Lynch, C.Anderson, J.Barney, K.W.Brown, B.Brophy, G.Cerizza, Z.Chajecki, G.Chen, J.Elson, J.Estee, H.Iwasaki, C.Langer, Z.Li, C.Loelius, C.Y.Niu, C.Pruitt, H.Setiawan, R.Showalter, K.Smith, L.G.Sobotka, S.Sweany, S.Tangwancharoen, J.R.Winkelbauer, Z.Xiao, Z.Xu Quenching of single-particle strengths in direct reactions NUCLEAR REACTIONS 1H(46Ar, d)45Ar, (34Ar, d)33Ar, E=70 MeV/nucleon; measured heavy reaction residues, outgoing E(d), I(d), (reaction residues)δ-coin, differential σ(θ) using High Resolution Array (HiRA) for deuterons and S800 spectrograph for residue products at NSCL-MSU facility, CH2 target; deduced spectroscopic factors and reduction factors for the final states, asymmetry dependence of reduction factors. Comparison with results of previous measurements, and theoretical calculations using large-basis shell model (LBSM). Relevance to single-nucleon knockout reactions.
doi: 10.1103/PhysRevC.104.024608
2021RH01 Phys.Rev. C 103, L051301 (2021) D.Rhodes, B.A.Brown, J.Henderson, A.Gade, J.Ash, P.C.Bender, R.Elder, B.Elman, M.Grinder, M.Hjorth-Jensen, H.Iwasaki, B.Longfellow, T.Mijatovic, M.Spieker, D.Weisshaar, C.Y.Wu Exploring the role of high-j configurations in collective observables through the Coulomb excitation of 106Cd NUCLEAR REACTIONS 208Pb(106Cd, 106Cd'), E=4.03, 4.36 MeV/nucleon; 48Ti(106Cd, 106Cd'), E=3 MeV/nucleon; measured scattered 106Cd and recoil 208Pb, Eγ, Iγ, (particle)γ-coin, angular distributions, γ-ray yields using the JANUS array of two annular Si detectors and SeGA array of sixteen 32-fold segmented HPGe detectors at NSCL-MSU Re-accelerator facility. 106Cd; deduced levels, J, π, E2, M1 and E3 transition matrix elements, B(E2), level half-lives, spectroscopic quadrupole moments, ground-state rotational invariants and quadrupole moments, analysis using GOSIA and GOSIA2 least-squares fitting codes. Comparison with results of previous measurements and with shell-model calculations.
doi: 10.1103/PhysRevC.103.L051301
2021YA33 Phys.Lett. B 823, 136757 (2021) R.Yajzey, M.A.Bentley, E.C.Simpson, T.Haylett, S.Uthayakumaar, D.Bazin, J.Belarge, P.C.Bender, P.J.Davies, B.Elman, A.Gade, H.Iwasaki, D.Kahl, N.Kobayashi, S.M.Lenzi, B.Longfellow, S.J.Lonsdale, E.Lunderberg, L.Morris, D.R.Napoli, X.Pereira-Lopez, F.Recchia, J.A.Tostevin, R.Wadsworth, D.Weisshaar Spectroscopy of the T=2 mirror nuclei 48Fe/48Ti using mirrored knockout reactions NUCLEAR REACTIONS 9Be(58Ni, X)48Fe/48Ti, E=160 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, σ for sta tes directly populated in this work through one-nucleon knockout, mirror energy differences (MED). Comparison with calculations. The Gamma-Ray Energy Tracking In-beam Nuclear Array GRETINA.
doi: 10.1016/j.physletb.2021.136757
2020HE25 Phys.Lett. B 809, 135678 (2020) S.Heil, M.Petri, K.Vobig, D.Bazin, J.Belarge, P.Bender, B.A.Brown, R.Elder, B.Elman, A.Gade, T.Haylett, J.D.Holt, T.Huther, A.Hufnagel, H.Iwasaki, N.Kobayashi, C.Loelius, B.Longfellow, E.Lunderberg, M.Mathy, J.Menendez, S.Paschalis, R.Roth, A.Schwenk, J.Simonis, I.Syndikus, D.Weisshaar, K.Whitmore Electromagnetic properties of 21O for benchmarking nuclear Hamiltonians NUCLEAR REACTIONS 9Be(24F, 21O), E=95 MeV/nucleon; measured reaction products, Eγ, Iγ. 21O; deduced γ-ray energies, J, π, level T1/2, B(E2). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2020.135678
2020JO06 Phys.Rev. C 102, 024321 (2020) S.Jongile, A.Lemasson, O.Sorlin, M.Wiedeking, P.Papka, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, A.Mutschler, F.Nowacki, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Structure of 33Si and the magicity of the N=20 gap at Z=14 NUCLEAR REACTIONS 9Be(34Si, 33Si), E=98.5 MeV/nucleon, [34Si secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation of fragments using the A1900 fragment separator at the NSCL-MSU facility]; measured reaction residues using the S800 spectrograph, Eγ, Iγ, (33Si)γ-coin using the GRETINA array for γ detection, momentum distributions. 33Si; deduced levels, J, π, L-transfers in one-nucleon knockout reactions, population fractions, partial cross sections of final states, spectroscopic factors. Comparison with shell-model calculations with SDPF-U-MIX interaction, and with previous experimental results.
doi: 10.1103/PhysRevC.102.024321
2020LL01 Phys.Rev.Lett. 124, 152501 (2020) R.D.O.Llewellyn, M.A.Bentley, R.Wadsworth, H.Iwasaki, J.Dobaczewski, G.de Angelis, J.Ash, D.Bazin, P.C.Bender, B.Cederwall, B.P.Crider, M.Doncel, R.Elder, B.Elman, A.Gade, M.Grinder, T.Haylett, D.G.Jenkins, I.Y.Lee, B.Longfellow, E.Lunderberg, T.Mijatovic, S.A.Milne, D.Muir, A.Pastore, D.Rhodes, D.Weisshaar Establishing the Maximum Collectivity in Highly Deformed N=Z Nuclei NUCLEAR REACTIONS 9Be(81Zr, n), (79Sr, n), (80Y, 2n), (80Y, 3np), E ∼ 77 MeV/nucleon; measured reaction products, Eγ, Iγ. 80Zr, 78Y, 76,78Sr; deduced level energies, J, π, level lifetimes, B(E2).
doi: 10.1103/PhysRevLett.124.152501
2020LL02 Phys.Lett. B 811, 135873 (2020) R.D.O.Llewellyn, M.A.Bentley, R.Wadsworth, J.Dobaczewski, W.Satula, H.Iwasaki, G.de Angelis, J.Ash, D.Bazin, P.C.Bender, B.Cederwall, B.P.Crider, M.Doncel, R.Elder, B.Elman, A.Gade, M.Grinder, T.Haylett, D.G.Jenkins, I.Y.Lee, B.Longfellow, E.Lunderberg, T.Mijatovic, S.A.Milne, D.Rhodes, D.Weisshaar Spectroscopy of proton-rich 79Zr: Mirror energy differences in the highly-deformed fpg shell. NUCLEAR REACTIONS 9Be(81Zr, 2n), (80Y, n), E<140 MeV/nucleon; measured reaction products, Eγ, Iγ. 79Zr, 79Y; deduced γ-ray energies and relative intensities, J, π, level schemes, mirror energy differences as a function of spin. Comparison with Hartree-Fock calculations.
doi: 10.1016/j.physletb.2020.135873
2019EL09 Phys.Rev. C 100, 041301 (2019) R.Elder, H.Iwasaki, J.Ash, D.Bazin, P.C.Bender, T.Braunroth, B.A.Brown, C.M.Campbell, H.L.Crawford, B.Elman, A.Gade, M.Grinder, N.Kobayashi, B.Longfellow, A.O.Macchiavelli, T.Mijatovic, J.Pereira, A.Revel, D.Rhodes, J.A.Tostevin, D.Weisshaar Intruder dominance in the 0+2 state of 32Mg studied with a novel technique for in-flight decays NUCLEAR REACTIONS 9Be(34Si, 32Mg), (34Si, 31Mg), E=86 MeV/nucleon, [secondary 34Si beam from 9Be(48Ca, X), E=140 MeV/nucleon and separated using A1900 fragment separator at NSCL-MSU]; measured reaction products identified by time-of-flight and energy-loss measurements using the S800 spectrograph, Eγ, Iγ, (particle)γ-coin, level half-life for the first excited 0+ state using GRETINA array. 32Mg; deduced levels, excited 0+ level, B(E2) for excited 0+ to the first 2+ state. Comparison with B(E2) values for the first 2+ and excited 0+ states in 30,32Mg and 34Si. New method to study isomeric states decaying in-flight. Discussed collective behavior of the first excited 0+ state in 32Mg. 31Mg; deduced levels, isomer half-life.
doi: 10.1103/PhysRevC.100.041301
2019HE07 Phys.Rev. C 99, 054313 (2019) J.Henderson, C.Y.Wu, J.Ash, B.A.Brown, P.C.Bender, R.Elder, B.Elman, A.Gade, M.Grinder, H.Iwasaki, B.Longfellow, T.Mijatovic, D.Rhodes, M.Spieker, D.Weisshaar Triaxiality in selenium-76 NUCLEAR REACTIONS 208Pb(76Se, 76Se'), E=3.55, 4.07 MeV/nucleon; measured scattered beam- and target-like nuclei, Eγ, Iγ, (particle)γ-coin using the JANUS silicon detector array for Coulomb excitation and SeGA array for γ detection at the NSCL-MSU facility. 76Se; deduced levels, Coulomb excitation yields, reduced E2 and M1 matrix elements, B(E2), B(M1), spectroscopic quadrupole moments. GOSIA least-squares fit analysis. Systematics of <Q2> and <δ> experimental and theoretical values for 74,76,78,80,82Se. Comparison with previous experimental data, and with shell model calculations using jj44b and JUN45 interactions.
doi: 10.1103/PhysRevC.99.054313
2018HE14 Phys.Rev.Lett. 121, 082502 (2018) J.Henderson, C.Y.Wu, J.Ash, P.C.Bender, B.Elman, A.Gade, M.Grinder, H.Iwasaki, E.Kwan, B.Longfellow, T.Mijatovic, D.Rhodes, M.Spieker, D.Weisshaar Localizing the Shape Transition in Neutron-Deficient Selenium NUCLEAR REACTIONS 208Pb(72Se, 72Se'), E=4 MeV/nucleon; measured reaction products, Eγ, Iγ. 72Se; deduced spectroscopic quadrupole moments, lack of low-spin shape change in neutron-deficient selenium.
doi: 10.1103/PhysRevLett.121.082502
2018LO20 Phys.Rev.Lett. 121, 262501 (2018) C.Loelius, N.Kobayashi, H.Iwasaki, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, R.Elder, B.Elman, A.Gade, M.Grinder, S.Heil, A.Hufnagel, B.Longfellow, E.Lunderberg, M.Mathy, T.Otsuka, M.Petri, I.Syndikus, N.Tsunoda, D.Weisshaar, K.Whitmore Enhanced Electric Dipole Strength for the Weakly Bound States in 27Ne NUCLEAR REACTIONS 9Be(29Na, 27Ne), E=90.5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E1). Comparison with he shell-model calculations with the WBP-M and EEdf1 interactions.
doi: 10.1103/PhysRevLett.121.262501
2018MI07 Phys.Rev.Lett. 121, 012501 (2018) T.Mijatovic, N.Kobayashi, H.Iwasaki, D.Bazin, J.Belarge, P.C.Bender, B.A.Brown, A.Dewald, R.Elder, B.Elman, A.Gade, M.Grinder, T.Haylett, S.Heil, C.Loelius, B.Longfellow, E.Lunderberg, M.Mathy, K.Whitmore, D.Weisshaar Lifetime Measurements and Triple Coexisting Band Structure in 43S NUCLEAR REACTIONS Be(44Cl, p)43S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ. 42S; deduced γ-ray energies, J, π, B(E2), B(M1), band structure. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.121.012501
2018MO12 Phys.Lett. B 780, 227 (2018) C.Morse, E.A.McCutchan, H.Iwasaki, C.J.Lister, V.M.Bader, D.Bazin, S.Beceiro Novo, P.Chowdhury, A.Gade, T.D.Johnson, C.Loelius, E.Lunderberg, E.Merchan, V.S.Prasher, F.Recchia, A.A.Sonzogni, D.Weisshaar, K.Whitmore Enhanced collectivity in 12Be NUCLEAR REACTIONS Ta, Nb(12Be, 12Be'), E ∼ 55 MeV/nucleon; measured reaction products, Eγ, Iγ. 12Be; deduced level lifetime, B(E2) values. Comparison with available data.
doi: 10.1016/j.physletb.2018.03.004
2018MO30 Phys.Lett. B 787, 198 (2018) C.Morse, H.Iwasaki, A.Lemasson, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 2+1 state in 74Rb and isospin properties of quadrupole transition strengths at N=Z NUCLEAR REACTIONS 9Be(74Kr, 74Rb), E=93 MeV/nucleon; measured reaction products, Eγ, Iγ. 74Rb; deduced γ-ray energies, J, π, level lifetimes, B(E2). Recoil Distance Doppler Shift (RDDS) technique.
doi: 10.1016/j.physletb.2018.10.064
2017MU05 Nat.Phys. 13, 152 (2017) A.Mutschler, A.Lemasson, O.Sorlin, D.Bazin, C.Borcea, R.Borcea, Z.Dombradi, J.-P.Ebran, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, D.Sohler, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer A proton density bubble in the doubly magic 34Si nucleus NUCLEAR REACTIONS 9Be(34Si, p)33Al, E<140 MeV/nucleon; measured reaction products, Eγ, Iγ. 34Si; deduced γ-ray energies, parallel momentum distributions of the strongest populated states, neutron and proton density distributions. Comparison with available data.
doi: 10.1038/nphys3916
2017PA02 Phys.Rev.Lett. 118, 052501 (2017) J.J.Parker, IV, I.Wiedenhover, P.D.Cottle, J.Baker, D.McPherson, M.A.Riley, D.Santiago-Gonzalez, A.Volya, V.M.Bader, T.Baugher, D.Bazin, A.Gade, T.Ginter, H.Iwasaki, C.Loelius, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, K.Whitmore, D.Weisshaar, A.Lemasson, H.L.Crawford, A.O.Macchiavelli, K.Wimmer Isomeric Character of the Lowest Observed 4+ State in 44S NUCLEAR REACTIONS Be(46Ar, 2p)44S, E=99 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, level T1/2, B(E2). Plunger apparatus at GRETINA.
doi: 10.1103/PhysRevLett.118.052501
2017RI06 Phys.Rev. C 96, 011303 (2017) A.L.Richard, H.L.Crawford, P.Fallon, A.O.Macchiavelli, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, M.D.Jones, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, J.Rissanen, M.Salathe, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Strongly coupled rotational band in 33Mg NUCLEAR REACTIONS 9Be(46Ar, 33Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, (33Mg)γ-, γγ-coin using S800 spectrograph for particle identification and GRETINA array for γ detection. 33Mg; deduced low-energy yrast levels, J, π, rotational band, ground-state magnetic moment, and intrinsic quadrupole moment. Comparison with strong-coupling limit of a rotational model.
doi: 10.1103/PhysRevC.96.011303
2016CR01 Phys.Rev. C 93, 031303 (2016) H.L.Crawford, P.Fallon, A.O.Macchiavelli, A.Poves, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, A.L.Richard, J.Rissanen, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Rotational band structure in 32Mg NUCLEAR REACTIONS 9Be(46Ar, 32Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, (32Mg)γ-, γγ-coin using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 32Mg; deduced levels, J, π, rotational band in a nuclide in "island of inversion", configuration. Comparison with large-scale shell model calculations using ANTOINE code with the SDPF-U-MIX effective two-body interaction.
doi: 10.1103/PhysRevC.93.031303
2016GR15 Phys.Rev. C 94, 044327 (2016) T.Grahn, S.Stolze, D.T.Joss, R.D.Page, B.Saygi, D.O'Donnell, M.Akmali, K.Andgren, L.Bianco, D.M.Cullen, A.Dewald, P.T.Greenlees, K.Heyde, H.Iwasaki, U.Jakobsson, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.Lumley, P.J.R.Mason, O.Moller, K.Nomura, M.Nyman, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.J.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, P.D.Stevenson, J.Uusitalo, H.V.Watkins, J.L.Wood Excited states and reduced transition probabilities in 168Os NUCLEAR REACTIONS 92Mo(78Kr, 2p), E=335, 345, 348 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, level half-lives by recoil-distance method using a plunger device, RITU separator, GREAT spectrometer, JUROGAM array at Jyvaskyla accelerator facility. 168Os; deduced high-spin levels, J, π, bands, B(E2), B(E1), transition quadrupole and dipole moments. Comparisons with interacting boson model (IBM-2) calculations based on the SkM* energy-density functional. Systematics of ground bands, and excited positive-parity level energies up to 8+ in 168,170,172,174,176,178,180,182,184Os.
doi: 10.1103/PhysRevC.94.044327
2016KO15 Phys.Rev.Lett. 116, 122502 (2016) K.Kolos, D.Miller, R.Grzywacz, H.Iwasaki, M.Al-Shudifat, D.Bazin, C.R.Bingham, T.Braunroth, G.Cerizza, A.Gade, A.Lemasson, S.N.Liddick, M.Madurga, C.Morse, M.Portillo, M.M.Rajabali, F.Recchia, L.L.Riedinger, P.Voss, W.B.Walters, D.Weisshaar, K.Whitmore, K.Wimmer, J.A.Tostevin Direct Lifetime Measurements of the Excited States in 72Ni NUCLEAR REACTIONS 9Be(73Cu, p)72Ni, E=102MeV/nucleon; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, lifetimes, B(E2) values. Comparison with nuclear shell model calculations.
doi: 10.1103/PhysRevLett.116.122502
2016LO10 Phys.Rev. C 94, 024340 (2016) C.Loelius, H.Iwasaki, B.A.Brown, M.Honma, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, T.Braunroth, C.M.Campbell, A.Dewald, A.Gade, N.Kobayashi, C.Langer, I.Y.Lee, A.Lemasson, E.Lunderberg, C.Morse, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Lifetime measurement of the 4+1 state of 58Ni with the recoil distance method NUCLEAR REACTIONS 9Be(74Kr, 58Ni), E=93 MeV/nucleon, [secondary 74Kr beam from 9Be(78Kr, X), E=150 MeV/nucleon]; measured reaction products, Eγ, Iγ, (58Ni ions)γ-coin, half-life of the first 4+ state in 58Ni by recoil distance Doppler shift method using Triple Plunger for Exotic Beams (TRIPLEX) coupled with GRETINA array and the S800 spectrograph at NSCL-MSU facility. 58Ni; deduced level, B(E2) for the first 4+ state. Comparison with GXPF1A shell-model calculations, and with previous measurements.
doi: 10.1103/PhysRevC.94.024340
2016MI05 Phys.Rev. C 93, 024318 (2016) S.A.Milne, M.A.Bentley, E.C.Simpson, P.Dodsworth, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler Mirrored one-nucleon knockout reactions to the TZ = ±3/2 A=53 mirror nuclei NUCLEAR REACTIONS 9Be(54Ni, 53Ni), (54Fe, 53Mn), E=87 MeV/nucleon, [secondary 54Ni and 54Fe beams from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction]; measured Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler line-shape analysis, relative cross sections for one-neutron and one-proton knockout reactions using A1900 fragment separator, S800 spectrograph and SeGA array at NSCL-MSU. 53Ni, 53Mn; deduced levels, J, π, B(M1), B(E2), mirror-energy differences (MED) between isobaric analog states. Comparison with shell-model calculations by including a set of isovector isospin-nonconserving matrix elements.
doi: 10.1103/PhysRevC.93.024318
2016MI17 Phys.Rev.Lett. 117, 082502 (2016) S.A.Milne, M.A.Bentley, E.C.Simpson, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, P.J.Davies, C.Aa.Diget, A.Gade, T.W.Henry, H.Iwasaki, A.Lemasson, S.M.Lenzi, S.McDaniel, D.R.Napoli, A.J.Nichols, A.Ratkiewicz, L.Scruton, S.R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler Isospin Symmetry at High Spin Studied via Nucleon Knockout from Isomeric States NUCLEAR REACTIONS 9Be(53Co, n)52Co, E=77 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, relative σ, high-spin isomeric states.
doi: 10.1103/PhysRevLett.117.082502
2016MU03 Phys.Rev. C 93, 034333 (2016) A.Mutschler, O.Sorlin, A.Lemasson, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Spectroscopy of 35P using the one-proton knockout reaction NUCLEAR REACTIONS 9Be(36S, 35P), (36S, 36P), E=88 MeV/nucleon, [secondary 36S beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, γγ-coin, parallel momentum distributions using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 35P; deduced levels, J, π, L-transfers, spectroscopic factors. 36P; measured Eγ, parallel momentum distribution; deduced level population. 36S; deduced proton occupancies.
doi: 10.1103/PhysRevC.93.034333
2016SU05 Phys.Rev. C 93, 024316 (2016) D.Suzuki, H.Iwasaki, D.Beaumel, M.Assie, H.Baba, Y.Blumenfeld, F.de Oliveira Santos, N.de Sereville, A.Drouart, S.Franchoo, J.Gibelin, A.Gillibert, S.Giron, S.Grevy, J.Guillot, M.Hackstein, F.Hammache, N.Keeley, V.Lapoux, F.Marechal, A.Matta, S.Michimasa, L.Nalpas, F.Naqvi, H.Okamura, H.Otsu, J.Pancin, D.Y.Pang, L.Perrot, C.M.Petrache, E.Pollacco, A.Ramus, W.Rother, P.Roussel-Chomaz, H.Sakurai, J.-A.Scarpaci, O.Sorlin, P.C.Srivastava, I.Stefan, C.Stodel, Y.Tanimura, S.Terashima Second 0+ state of unbound 12O: Scaling of mirror asymmetry NUCLEAR REACTIONS 1H(14O, t), E=51 MeV/nucleon, [14O secondary beam from 9Be(16O, X), E=90 MeV/nucleon primary reaction]; measured E(t), I(t), σ(θ), TKE versus θ(lab) using LISE spectrometer and MUST2 telescopes at GANIL. Missing-mass spectroscopy. 12O; deduced levels, J, π, L-transfers, two-proton decay width. Comparison of the second 0+ state of 12O to the mirror state in 12Be and theoretical predictions. Systematics of 0+ states in mirror nuclei pairs of 6Be-6He, 8C-8He, 10C-10Be, 12O-12Be, 14O-14C, 16Ne-16C, 18Ne-18O, 20Mg-20O, 22Mg-22Ne, 24Si-24Ne, 26Si-26Mg, 28S-28Mg, 30S-30Si, 32Ar-32Si, 34Ar-34S, 36Ca-36S, 38Ca-38Ar, 40Ti-40Ar, 42Ti-42Ca, 46Cr-46Ti, 48Ni-48Ca, 50Fe-50Cr, 54Zn-54Cr, 54Ni-54Fe and 58Zn-58Ni. Discussed importance of scaling of mirror asymmetry in the context of ab initio calculations near the drip lines.
doi: 10.1103/PhysRevC.93.024316
2015BR10 Phys.Rev. C 92, 034306 (2015) T.Braunroth, A.Dewald, H.Iwasaki, S.M.Lenzi, M.Albers, V.M.Bader, T.Baugher, T.Baumann, D.Bazin, J.S.Berryman, C.Fransen, A.Gade, T.Ginter, A.Gottardo, M.Hackstein, J.Jolie, A.Lemasson, J.Litzinger, S.Lunardi, T.Marchi, V.Modamio, C.Morse, D.R.Napoli, A.Nichols, F.Recchia, S.R.Stroberg, R.Wadsworth, D.Weisshaar, K.Whitmore, K.Wimmer Reduced transition strengths of low-lying yrast states in chromium isotopes in the vicinity of N=40 NUCLEAR REACTIONS 9Be(59Mn, 58Cr), E=92.1 MeV/nucleon; 9Be(61Mn, 60Cr), E=91.9 MeV/nucleon; 9Be(63Mn, 62Cr), E=98 MeV/nucleon, [secondary 59,61,63Mn beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured Eγ, Iγ, beam-like recoil particle spectra and yields, (particle)γ-coin, level half-lives by recoil-distance Doppler-shift (RDDS) method using S800 spectrograph and SeGA array. 58,60,62Cr; deduced levels, J, π, B(E2), intrinsic quadrupole moments Q0 and deformation parameter β2. Comparison with calculations using shell-model with LNPS interactions, realistic shell-model, and IBM-2. Systematics of energies and B(E2) for first 2+ states in N=22-52, Ti, Cr, Fe, Ni, Se and Kr nuclei. Systematics of ratios of energies and B(E2) values for first 2+, 4+ and 6+ states in 52,54,56,58,60,62Cr, and E(5) limit.
doi: 10.1103/PhysRevC.92.034306
2015CH12 Phys.Rev. C 91, 024610 (2015) R.J.Charity, J.M.Elson, J.Manfredi, R.Shane, L.G.Sobotka, Z.Chajecki, D.Coupland, H.Iwasaki, M.Kilburn, Jenny Lee, W.G.Lynch, A.Sanetullaev, M.B.Tsang, J.Winkelbauer, M.Youngs, S.T.Marley, D.V.Shetty, A.H.Wuosmaa Spin alignment of excited projectiles due to target spin-flip interactions NUCLEAR REACTIONS 9Be(6Li, X), E=36.6 MeV/nucleon; 9Be(7Be, X), E=65.2 MeV/nucleon, [6Li, 7Be secondary beams from 9Be(16O, X), E=150 MeV/nucleon primary reaction]; measured particle spectra, angular distributions of reaction products using HiRA array of ΔE-E telescopes at NSCL-MSU facility; deduced sequential breakup of projectiles, spin alignments, and molecular structure of 9Be.
doi: 10.1103/PhysRevC.91.024610
2015HE22 Phys.Rev. C 92, 024315 (2015) T.W.Henry, M.A.Bentley, R.M.Clark, P.J.Davies, V.M.Bader, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, A.M.Bruce, C.M.Campbell, H.L.Crawford, M.Cromaz, P.Fallon, A.Gade, J.Henderson, H.Iwasaki, D.G.Jenkins, I.Y.Lee, A.Lemasson, S.M.Lenzi, A.O.Macchiavelli, D.R.Napoli, A.J.Nichols, S.Paschalis, M.Petri, F.Recchia, J.Rissanen, E.C.Simpson, S.R.Stroberg, R.Wadsworth, D.Weisshaar, A.Wiens, C.Walz Triplet energy differences and the low lying structure of 62Ga NUCLEAR REACTIONS 9Be(64Ga, 62Ga), (65Ge, 62Ga), E not given, [secondary 64Ga and 65Ge beams extracted using A1900 separator from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, 62Ga particle spectra, (62Ga)γ-, γγ-coin using Gamma-Ray Energy Tracking In-Beam Nuclear Array (GRETINA) for γ rays and S800 spectrograph and cathode readout drift chambers for particles at NSCL-MSU facility. 62Ga; deduced levels populated by 2n and 1p2n knockout reactions, J, π, isospin using triplet energy differences (TED) as guide. Comparison with shell-model predictions of low lying T=0 and T=1 states using ANTOINE and LNPS interactions. Cross section calculations for the knockout process. COMPILATION A=22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 74; reviewed systematics of triplet energy differences (TED) for the known T=1, 2+ states.
doi: 10.1103/PhysRevC.92.024315
2015LE17 Phys.Rev. C 92, 054309 (2015) A.Lepailleur, K.Wimmer, A.Mutschler, O.Sorlin, J.C.Thomas, V.Bader, C.Bancroft, D.Barofsky, B.Bastin, T.Baugher, D.Bazin, V.Bildstein, C.Borcea, R.Borcea, B.A.Brown, L.Caceres, A.Gade, L.Gaudefroy, S.Grevy, G.F.Grinyer, H.Iwasaki, E.Khan, T.Kroll, C.Langer, A.Lemasson, O.Llidoo, J.Lloyd, E.Lunderberg, F.Negoita, F.de Oliveira Santos, G.Perdikakis, F.Recchia, T.Redpath, T.Roger, F.Rotaru, S.Saenz, M.-G.Saint-Laurent, D.Smalley, D.Sohler, M.Stanoiu, S.R.Stroberg, M.Vandebrouck, D.Weisshaar, A.Westerberg Spectroscopy of 28Na: Shell evolution toward the drip line NUCLEAR REACTIONS 9Be(36S, X)22N/24O, 26F/27Ne/28Ne/29Na/30Na, E=77.6 MeV/nucleon; measured production yields using LISE spectrometer at GANIL. 9Be(31Mg, 28Na), (32Mg, 28Na), E=95 MeV/nucleon, [secondary 31,32Mg beams from 9Be(48Ca, X), E=140 MeV/nucleon using A1900 separator at NSCL-MSU; measured Eγ, Iγ, (28Na)γ-, γγ-coin, level half-life using S800 spectrograph for 28Na and GRETINA array for γ detection. 28Na; deduced levels, J, π, multipolarity. Comparison with shell-model calculations using WBA-M and USDA interactions. Systematics of binding energies for 26F, 28Na, 30Al. 25O, 26F, 27Ne; calculated levels, J, π using shell-model with WBA-M interaction. RADIOACTIVITY 28Ne(β-)[from 9Be(36S, X), E=77.6 MeV/nucleon at GANIL]; measured Eγ, Iγ, Eβ, βγ-coin, half-life of 28Ne activity using EXOGAM array for γ detection. 28Na; deduced levels, J, π, β feedings, logft. Comparison with shell model using the USDA interaction. 27,28Al, 27,28Mg, 28Si; observed γ rays from β decay of contaminants.
doi: 10.1103/PhysRevC.92.054309
2015NI01 Phys.Rev. C 91, 014319 (2015) A.J.Nichols, R.Wadsworth, M.A.Bentley, P.J.Davies, J.Henderson, D.G.Jenkins, I.Paterson, H.Iwasaki, A.Lemasson, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, A.Gade, C.Morse, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer, G.de Angelis, A.Dewald, T.Braunroth, C.Fransen, M.Hackstein, D.Miller Spectroscopy and lifetime measurements in 66Ge, 69Se, and 65Ga using fragmentation reactions NUCLEAR REACTIONS 9Be(70Se, 66Ge), (70Se, 69Se), (70Se, 65Ga), (69As, 65Ga), E not given, [secondary 70Se and 69As beams from 9Be(78Kr, X), E=150 MeV/nucleon fragmentation reaction]; measured Eγ, Iγ, level half-lives by γ line-shape method at NSCL-MSU Coupled Cyclotron facility. 65Ga, 66Ge, 69Se; deduced levels, J, π, B(M1), B(E2). Comparison with shell-model calculations using GXPF1A interaction in the fp model space.
doi: 10.1103/PhysRevC.91.014319
2015SM03 Phys.Rev. C 92, 064314 (2015) D.Smalley, H.Iwasaki, P.Navratil, R.Roth, J.Langhammer, V.M.Bader, D.Bazin, J.S.Berryman, C.M.Campbell, J.Dohet-Eraly, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, J.Parker, S.Quaglioni, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer Lifetime measurements of 17C excited states and three-body and continuum effects NUCLEAR REACTIONS 9Be(18C, 17C), E=74.2 MeV/nucleon, [secondary 18C beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured one-neutron knockout reaction products, Eγ, Iγ, (particle)γ-coin using GRETINA array for γ rays, and S800 spectrograph for particles, level half-lives using RDM method and a plunger device. 17C; deduced levels, J, π, B(M1). Comparison with importance-truncated no-core shell model (IT-NCSM), and importance-truncated no-core shell model with continuum (IT-NCSMC) calculations.
doi: 10.1103/PhysRevC.92.064314
2015WH02 Phys.Rev. C 91, 041303 (2015) K.Whitmore, D.Smalley, H.Iwasaki, T.Suzuki, V.M.Bader, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, P.Fallon, A.Gade, C.Langer, A.Lemasson, C.Loelius, A.O.Macchiavelli, C.Morse, T.Otsuka, J.Parker, F.Recchia, S.R.Stroberg, D.Weisshaar, K.Wimmer Magnetic response of the halo nucleus 19C studied via lifetime measurement NUCLEAR REACTIONS 9Be, Ta(20N, 19C), E=74 MeV/nucleon, [secondary 20N beam from 9Be(22Ne, X), E=120 MeV/nucleon primary reaction]; measured reaction products using A1900 separator, Eγ, Iγ, (particle)γ-, γγ-coin, half-life of the first excited state from line-shape and recoil-distance methods using GRETINA array at NSCL-MSU facility. 19C; deduced levels, J, π, B(M1), configuration. One-neutron halo nucleus populated in one-proton knockout reaction. Comparison with shell-model calculations using several different interactions.
doi: 10.1103/PhysRevC.91.041303
2014IW01 Phys.Rev.Lett. 112, 142502 (2014) H.Iwasaki, A.Lemasson, C.Morse, A.Dewald, T.Braunroth, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, A.Gade, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, F.Recchia, D.Smalley, S.R.Stroberg, R.Wadsworth, C.Walz, D.Weisshaar, A.Westerberg, K.Whitmore, K.Wimmer Evolution of Collectivity in 72Kr: Evidence for Rapid Shape Transition NUCLEAR REACTIONS 9Be(74Kr, 74Kr'), (74Kr, 72Kr'), E<150 MeV/nucleon; measured reaction products, Eγ, Iγ. 72,74Kr; deduced energy levels, B(E2) values. Comparison with theoretical calculations, available data.
doi: 10.1103/PhysRevLett.112.142502
2014MO26 Phys.Rev. C 90, 034310 (2014) C.Morse, H.Iwasaki, A.Lemasson, T.Baugher, D.Bazin, J.S.Berryman, A.Dewald, C.Fransen, A.Gade, S.McDaniel, A.J.Nichols, A.Ratkiewicz, S.R.Stroberg, P.Voss, R.Wadsworth, D.Weisshaar, K.Wimmer, R.Winkler Lifetime measurements of the yrast 8+ and 9+ states in 70As NUCLEAR REACTIONS 9Be(78Rb, 70As), E=101.6 MeV/nucleon, [secondary 78Rb beam from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Doppler corrected Eγ, Iγ, γγ-, (70As)γ-coin, level half-lives by line-shape analysis using A1900 fragment separator, S-800 spectrometer, and SeGA array at NSCL-MSU facility. 70As; deduced levels, J, π, B(E1), B(M1), configuration. Comparison of B(M1) values for 66Ga, 70As, 74Br, 78Rb and 82Y with predictions of particle-vibration coupling model.
doi: 10.1103/PhysRevC.90.034310
2014NI09 Phys.Lett. B 733, 52 (2014) A.J.Nichols, R.Wadsworth, H.Iwasaki, K.Kaneko, A.Lemasson, G.de Angelis, V.M.Bader, T.Baugher, D.Bazin, M.A.Bentley, J.S.Berryman, T.Braunroth, P.J.Davies, A.Dewald, C.Fransen, A.Gade, M.Hackstein, J.Henderson, D.G.Jenkins, D.Miller, C.Morse, I.Paterson, E.C.Simpson, S.R.Stroberg, D.Weisshaar, K.Whitmore, K.Wimmer Collectivity in A ∼ 70 nuclei studied via lifetime measurements in 70Br and 68, 70Se NUCLEAR REACTIONS 9Be(71Br, 70Br'), (70Se, 68Se'), (70Se, 70Se'), E < 150 MeV/nucleon; measured reaction products, Eγ, Iγ. 70Br, 68,70Se; deduced energy levels, J, π, B(Eλ). Comparison with shell model calculations using GXPF1 nuclear interaction, available data.
doi: 10.1016/j.physletb.2014.04.016
2014VO05 Phys.Rev. C 90, 014301 (2014) P.Voss, T.Baumann, D.Bazin, A.Dewald, H.Iwasaki, D.Miller, A.Ratkiewicz, A.Spyrou, K.Starosta, M.Thoennessen, C.Vaman, J.A.Tostevin 19Mg two-proton decay lifetime RADIOACTIVITY 19Mg(2p)[from 9Be(20Mg, X), E=170 MeV/nucleon]; measured energy-loss spectra in coincidence with incoming 20Mg on the target and outgoing 17Ne, two-proton decay half-life as a function of 17Ne production mechanism. Experiments carried out at NSCL-MSU facility. Comparison with previous experimental results. NUCLEAR REACTIONS 9Be(20Mg, X)10C/14O/16O/17Ne/18Ne/20Na/19Mg/20Mg/21Mg/, E=170 MeV/nucleon; measured reaction products, yields using A1900 separator and S800 magnetic spectrograph at NSCL-MSU facility.
doi: 10.1103/PhysRevC.90.014301
2013AL14 Phys.Rev. C 88, 034301 (2013) T.Al Kalanee, J.Gibelin, P.Roussel-Chomaz, N.Keeley, D.Beaumel, Y.Blumenfeld, B.Fernandez-Dominguez, C.Force, L.Gaudefroy, A.Gillibert, J.Guillot, H.Iwasaki, S.Krupko, V.Lapoux, W.Mittig, X.Mougeot, L.Nalpas, E.Pollacco, K.Rusek, T.Roger, H.Savajols, N.de Sereville, S.Sidorchuk, D.Suzuki, I.Strojek, N.A.Orr Structure of unbound neutron-rich 9He studied using single-neutron transfer NUCLEAR REACTIONS 2H(8He, p), E=15 MeV/nucleon, [secondary 8He beam from C(13C, X), E=75 MeV/nucleon primary reaction]; 2H(16O, p), E=15 MeV/nucleon; measured proton spectra, kinetic energies and angles of recoiling protons, σ(θ) using MUST2 telescopes of Si-CsI detectors at GANIL facility. 9He, 17O; deduced levels from experimental missing mass spectra, J, π, widths, l-transfers, configurations, spectroscopic factors, parity inversion in 9He. DWBA and CCBA analyses of σ(θ) data. Reviewed previous measurements of level structure of 9He using different reactions. 16O(d, p) reaction in inverse kinematics used as a test case.
doi: 10.1103/PhysRevC.88.034301
2013DA08 Phys.Rev.Lett. 111, 072501 (2013) P.J.Davies, M.A.Bentley, T.W.Henry, E.C.Simpson, A.Gade, S.M.Lenzi, T.Baugher, D.Bazin, J.S.Berryman, A.M.Bruce, C.Aa.Diget, H.Iwasaki, A.Lemasson, S.McDaniel, D.R.Napoli, A.Ratkiewicz, L.Scruton, A.Shore, R.Stroberg, J.A.Tostevin, D.Weisshaar, K.Wimmer, R.Winkler Mirror Energy Differences at Large Isospin Studied through Direct Two-Nucleon Knockout NUCLEAR REACTIONS 9Be(54Ni, 2n), (53Co, 2n), E=87 MeV/nucleon; measured reaction products, Eγ, Iγ. 52Ni, 51Co; deduced level energies, J, π, isobaric analogue states; calculated relative σ for nonyrast and yrast states. Comparison with experimental data.
doi: 10.1103/PhysRevLett.111.072501
2013SU20 Phys.Rev. C 88, 024326 (2013) H.Suzuki, N.Aoi, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.J.Ong, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Collectivity of neutron-rich Ti isotopes NUCLEAR REACTIONS 1H(58Ti, 58Ti'), [secondary 58Ti beam from Be(70Zn, X), E=63 MeV/nucleon primary reaction], E=42.0 MeV/nucleon; measured particle spectra, time-of-flight, Eγ, Iγ, (particle)γ-, γγ-coin, angle-integrated σ using RIPS separator and DALI2 array of NaI(Tl) detectors at RIBF, RIKEN facility. 58Ti; deduced levels, J, π, deformation length of first 2+ state, collectivity. Systematics of energies and deformation lengths of first 2+ states in A=44-62 Ti, Fe and Cr isotopes, comparison with shell-model calculations.
doi: 10.1103/PhysRevC.88.024326
2012DI20 J.Phys.:Conf.Ser. 381, 012119 (2012) C.A.Diget, T.Baugher, D.Bazin, M.A.Bentley, J S.Berryman, J.R.Brown, K.A.Chipps, P.J.Davies, B.R.Fulton, A.Gade, H.Iwasaki, A.M.Laird, A.Lemasson, S.McDaniel, A.Ratkiewicz, L.Scruton, A.Shore, S.R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler Electron capture in core-collapse supernovae investigated through configuration mixing in neutron-rich nuclei
doi: 10.1088/1742-6596/381/1/012119
2012EG03 Phys.Rev.Lett. 109, 202502 (2012) I.A.Egorova, R.J.Charity, L.V.Grigorenko, Z.Chajecki, D.Coupland, J.M.Elson, T.K.Ghosh, M.E.Howard, H.Iwasaki, M.Kilburn, Jenny Lee, W.G.Lynch, J.Manfredi, S.T.Marley, A.Sanetullaev, R.Shane, D.V.Shetty, L.G.Sobotka, M.B.Tsang, J.Winkelbauer, A.H.Wuosmaa, M.Youngs, M.V.Zhukov Democratic Decay of 6Be Exposed by Correlations NUCLEAR REACTIONS Be(7Be, X)6Be, E=70 MeV/nucleon; measured reaction products, Eα, Iα, Ep, Ip; deduced three-body energy-angular correlations, three-body democratic decay. Comparison with a three-cluster-model calculations.
doi: 10.1103/PhysRevLett.109.202502
2012LE05 Phys.Rev. C 85, 041303 (2012) A.Lemasson, H.Iwasaki, C.Morse, D.Bazin, T.Baugher, J.S.Berryman, A.Dewald, C.Fransen, A.Gade, S.McDaniel, A.Nichols, A.Ratkiewicz, S.Stroberg, P.Voss, R.Wadsworth, D.Weisshaar, K.Wimmer, R.Winkler Observation of mutually enhanced collectivity in self-conjugate 7638SR38 NUCLEAR REACTIONS 9Be(76Rb, 76Sr), E=104.5 MeV/nucleon; 9Be (78Rb, 78Sr), E=101.6 MeV/nucleon; measured time-of-flight and energy loss for outgoing particles, Eγ, Iγ, γγ-coin using SeGA array at NSCL, MSU facility, half-lives of first 2+ states by line-shape method. 76,78Rb secondary beams from 9Be(78Kr, X), E=140 MeV/nucleon primary beam. 76,78Sr; deduced levels, J, π, yrast bands, B(E2), deformation parameter. Systematics of energies and B(E2) values for first 2+ states in Z=30-40 and N=34-46 even-even nuclei. Comparison of B(E2) values with predictions from the CHFB+5DCH calculations.
doi: 10.1103/PhysRevC.85.041303
2012ME05 Phys.Rev.Lett. 108, 122501 (2012) R.Meharchand, R.G.T.Zegers, B.A.Brown, Sam M.Austin, T.Baugher, D.Bazin, J.Deaven, A.Gade, G.F.Grinyer, C.J.Guess, M.E.Howard, H.Iwasaki, S.McDaniel, K.Meierbachtol, G.Perdikakis, J.Pereira, A.M.Prinke, A.Ratkiewicz, A.Signoracci, S.Stroberg, L.Valdez, P.Voss, K.A.Walsh, D.Weisshaar, and R.Winkler Probing Configuration Mixing in 12Be with Gamow-Teller Transition Strengths NUCLEAR REACTIONS Li(12B, 7Be)12Be, E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), B(GT) transition strength, level energies, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.108.122501
2012MO29 Phys.Lett. B 718, 441 (2012) X.Mougeot, V.Lapoux, W.Mittig, N.Alamanos, F.Auger, B.Avez, D.Beaumel, Y.Blumenfeld, R.Dayras, A.Drouart, C.Force, L.Gaudefroy, A.Gillibert, J.Guillot, H.Iwasaki, T.Al Kalanee, N.Keeley, L.Nalpas, E.C.Pollacco, T.Roger, P.Roussel-Chomaz, D.Suzuki, K.W.Kemper, T.J.Mertzimekis, A.Pakou, K.Rusek, J.-A.Scarpaci, C.Simenel, I.Strojek, R.Wolski New excited states in the halo nucleus 6He NUCLEAR REACTIONS 1H(8He, t)6He, E=15.4 MeV/nucleon; measured reaction products, Et, It; deduced σ(θ), energy levels, J, π, resonances. Comparison with available data.
doi: 10.1016/j.physletb.2012.10.054
2012NA23 Phys.Rev. C 86, 041301 (2012) B.S.Nara Singh, T.S.Brock, R.Wadsworth, H.Grawe, P.Boutachkov, N.Braun, A.Blazhev, Z.Liu, M.Gorska, S.Pietri, D.Rudolph, C.Domingo-Pardo, S.J.Steer, A.Atac, L.Bettermann, L.Caceres, T.Engert, T.Faestermann, F.Farinon, F.Finke, K.Geibel, J.Gerl, R.Gernhauser, N.Goel, A.Gottardo, J.Grebosz, C.Hinke, R.Hoischen, G.Ilie, H.Iwasaki, J.Jolie, A.Kaskas, I.Kojouharov, R.Krucken, N.Kurz, E.Merchan, C.Nociforo, J.Nyberg, M.Pfutzner, A.Prochazka, Zs.Podolyak, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, H.Schaffner, P.-A.Soderstrom, N.Warr, H.Weick, H.-J.Wollersheim, P.J.Woods, F.Nowacki Influence of the np interaction on the β decay of 94Pd RADIOACTIVITY 94Pd(EC), (β+)[from 9Be(124Xe, X), E=850 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, (94Pd)γ-correlations using FRS and RISING at GSI and EUROBALL cluster Ge detectors. 94Rh; deduced levels, J, π, Iβ, B(GT). Comparison with shell-model calculations. 90Zr, 92,94Mo, 93,95Rh, 94,95,96Ru, 95Tc; observed γ rays. Discussed 2906-keV γ ray in context of 2p decay of 21+ isomer in 94Ag. NUCLEAR STRUCTURE 94Rh; calculated levels, J, π using Shell-model with three different interactions.
doi: 10.1103/PhysRevC.86.041301
2012VO05 Phys.Rev. C 86, 011303 (2012) P.Voss, T.Baugher, D.Bazin, R.M.Clark, H.L.Crawford, A.Dewald, P.Fallon, A.Gade, G.F.Grinyer, H.Iwasaki, A.O.Macchiavelli, S.McDaniel, D.Miller, M.Petri, A.Ratkiewicz, W.Rother, K.Starosta, K.A.Walsh, D.Weisshaar, C.Forssen, R.Roth, P.Navratil Excited-state transition-rate measurements in 18C NUCLEAR REACTIONS 9Be(19Ne, p)18C, [19Ne secondary beam from 9Be(22Ne, X), E=120 MeV/nucleon primary beam], E=72 MeV/nucleon; measured time-of-flight, energy loss, Eγ, Iγ, (18C)γ-coin using SeGA array, level half-lives by RDM method using the Koln/NSCL plunger device. 18C; deduced levels, J, π, B(E2) of first two 2+ states. 14,18C; comparison of experimental values of level energies, B(E2), B(M1) and quadrupole moment of first two 2+ states with calculations using large-scale ab initio no-core shell model calculations. Inclusion of three-body forces to explain low-lying states in A=18 system.
doi: 10.1103/PhysRevC.86.011303
2012WA40 J.Phys.:Conf.Ser. 381, 012074 (2012) R.Wadsworth, B.S.Nara Singh, Z.Liu, H.Grawe, T.S.Brock, P.Boutachkov, N.Braun, A.Blazhev, M.Gorska, S.Pietri, D.Rudolph, C.Domingo-Pardo, S.J.Steer, A.Atac, L.Bettermann, L.Caceres, K.Eppinger, T.Engert, T.Faestermann, F.Farinon, F.Finke, K.Geibel, J.Gerl, R.Gernhauser, N.Goel, A.Gottardo, J.Grebosz, C.Hinke, R.Hoischen, G.Ilie, H.Iwasaki, J.Jolie, A.Kaskas, I.Kojouharov, R.Krucken, N.Kurz, E.Merchan, C.Nociforo, J.Nyberg, M.Pfutzner, A.Prochazka, Zs.Podolyak, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, H.Schaffner, P.-A.Soderstrom, N.Warr, H.Weick, H.-J.Wollersheim, P.J.Woods, F.Nowacki, K.Sieja Spin-gap isomer in 96Cd NUCLEAR REACTIONS 9Be(124Xe, 96Cd), E=850 MeV/nucleon; measured reaction products, Eγ, Iγ using RISING gamma array, βγ-coin; calculated levels, J, π using shell model with GF and SLGT0 interactions. RADIOACTIVITY 96Cd(β+); measured Eγ, Iγ, βγ-coin from GT decay of the 16+ state to 96Ag 15+ isomer; calculated energy of the lowest 1+ and 2+ states in Ag using shell model with GF and SLGT0 interactions; deduced B(GT), importance of T=0 neutron-proton interaction.
doi: 10.1088/1742-6596/381/1/012074
2011BO23 Phys.Rev. C 84, 044311 (2011) P.Boutachkov, M.Gorska, H.Grawe, A.Blazhev, N.Braun, T.S.Brock, Z.Liu, B.S.Nara Singh, R.Wadsworth, S.Pietri, C.Domingo-Pardo, I.Kojouharov, L.Caceres, T.Engert, F.Farinon, J.Gerl, N.Goel, J.Grbosz, R.Hoischen, N.Kurz, C.Nociforo, A.Prochazka, H.Schaffner, S.J.Steer, H.Weick, H.-J.Wollersheim, T.Faestermann, Zs.Podolyak, D.Rudolph, A.Atac, L.Bettermann, K.Eppinger, F.Finke, K.Geibel, A.Gottardo, C.Hinke, G.Ilie, H.Iwasaki, J.Jolie, R.Krucken, E.Merchan, J.Nyberg, M.Pfutzner, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, P.-A.Soderstrom, N.Warr, P.J.Woods, F.Nowacki, K.Sieja High-spin isomers in 96Ag: Excitations across the Z=38 and Z=50, N=50 closed shells NUCLEAR REACTIONS 9Be(124Xe, X), E=850 MeV/nucleon; measured Eγ, Iγ, γγ-coin, isomer half-life, isomeric ratios. 96Ag; deduced levels, J, π, reduced transition probabilities for E2, M2, E3 and E4. RISING project. Comparison with large-scale Shell Model calculations. 96Ag; calculated levels, J, π with large scale shell-model space.
doi: 10.1103/PhysRevC.84.044311
2011BO32 J.Phys.:Conf.Ser. 312, 092019 (2011) P.Boutachkov, N.Braun, T.Brock, B.S.Nara Singh, A.Blazhev, Z.Liu, R.Wadsworth, M.Gorska, H.Grawe, S.Pietri, C.Domingo-Pardo, T.Faestermann, F.Farinon, J.Grebosz, I.Kojuharov, N.Kurz, C.Nociforo, Zs.Podolyak, A.Prochazka, S.Steer, L.Caceres, T.Engert, J.Gerl, N.Goel, R.Hoischen, H.Schaffner, H.Weick, H.-J.Wollersheim, L.Bettermann, F.Finke, K.Geibel, G.Ilie, H.Iwasaki, J.Jolie, J.Nyberg, P.Reiter, C.Scholl, P.-A.Soderstrom, N.Warr, K.Eppinger, A.Gottardo, C.Hinke, R.Krucken, M.Pfutzner, P.Regan, S.Rinta-Antila, D.Rudolph, P.Woods, A.Atac, E.Merchan Isomer and β-decay spectroscopy of Tz=1 isotopes below the N=Z=50 shell gap NUCLEAR REACTIONS 9Be(124Xe, X), E=850 MeV/nucleon; measured Eγ, Iγ, γγ-coin, fragment charge, mass using FRS, DSSSD. 94Pd, 96Ag, 98Cd deduced levels, J, π, γ transitions, isomeric transition; calculated levels, J, π, γ transitions, isomeric transition.
doi: 10.1088/1742-6596/312/9/092019
2011CH32 Phys.Rev. C 84, 014320 (2011) R.J.Charity, J.M.Elson, J.Manfredi, R.Shane, L.G.Sobotka, B.A.Brown, Z.Chajecki, D.Coupland, H.Iwasaki, M.Kilburn, J.Lee, W.G.Lynch, A.Sanetullaev, M.B.Tsang, J.Winkelbauer, M.Youngs, S.T.Marley, D.V.Shetty, A.H.Wuosmaa, T.K.Ghosh, M.E.Howard Investigations of three-, four-, and five-particle decay channels of levels in light nuclei created using a 9C beam NUCLEAR REACTIONS 9Be(9C, X), E=70 MeV/nucleon, [secondary 9C beam from 9Be(16O, X), E=150 MeV/nucleon primary beam]; measured particle spectra using HiRA array, angular correlations between the particles in particle-decay channels. 8Be, 7,8,9B, 8,10C; deduced levels, width, J, π, isospin, branching ratios, excitation spectra of outgoing particles from many-particle decays of ground and excited states.
doi: 10.1103/PhysRevC.84.014320
2011CH53 Phys.Rev. C 84, 051308 (2011) R.J.Charity, J.M.Elson, J.Manfredi, R.Shane, L.G.Sobotka, Z.Chajecki, D.Coupland, H.Iwasaki, M.Kilburn, J.Lee, W.G.Lynch, A.Sanetullaev, M.B.Tsang, J.Winkelbauer, M.Youngs, S.T.Marley, D.V.Shetty, A.H.Wuosmaa, T.K.Ghosh, M.E.Howard Isobaric multiplet mass equation for A=7 and 8 ATOMIC MASSES 7,8He, 7,8Li, 7,8Be, 7,8B, 8C; analyzed deviations from isobaric multiplet mass equation (IMME) for A=7, T=3/2 quartet and A=8, T=2 quintet; deduced coefficients from quadric, cubic, and quartic fits.
doi: 10.1103/PhysRevC.84.051308
2011FR17 J.Phys.:Conf.Ser. 312, 092025 (2011) C.Fransen, W.Rother, H.Iwasaki, A.Dewald, T.Baugher, D.Bazin, B.A.Brown, H.L.Crawford, A.Gade, T.N.Ginter, T.Glasmacher, G.F.Grinyer, M.Hackstein, G.Ilie, J.Jolie, S.M.Lenzi, S.McDaniel, D.Miller, P.Petkov, T.Pissulla, A.Ratkiewicz, K.Starosta, C.A.Ur, P.Voss, K.A.Walsh, D.Weisshaar, K.O.Zell Collectivity of Exotic Heavy Fe Isotopes NUCLEAR REACTIONS 197Au(62Fe, X), E=97.8 MeV/nucleon;197Au(64Fe, X), E=95.0 MeV/nucleon;197Au(66Fe, X), E=88.3 MeV/nucleon; measured Doppler shifted Coulomb excitation Eγ, Iγ(θ=30, 1400, t); deduced B(E2), E(2+1). Compared with other data for near-by nuclei.
doi: 10.1088/1742-6596/312/9/092025
2011IC06 J.Phys.:Conf.Ser. 312, 092031 (2011) Y.Ichikawa, T.K.Onishi, D.Suzuki, H.Iwasaki, T.Kubo, V.Naik, A.Chakrabarti, N.Aoi, B.A.Brown, N.Fukuda, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai Proton-rich nuclear structure and mirror asymmetry investigated by β-decay spectroscopy of 24Si RADIOACTIVITY 24Si(β+), (EC)[from projectile fragment separator]; measured β-delayed Eγ, Iγ(t). 24Si deduced decay scheme, levels, J, π, branching ratios, Gamow-Teller transition strength B(GT), log ft.
doi: 10.1088/1742-6596/312/9/092031
2011NA34 Phys.Rev.Lett. 107, 172502 (2011) B.S.Nara Singh, Z.Liu, R.Wadsworth, H.Grawe, T.S.Brock, P.Boutachkov, N.Braun, A.Blazhev, M.Gorska, S.Pietri, D.Rudolph, C.Domingo-Pardo, S.J.Steer, A.Atac, L.Bettermann, L.Caceres, K.Eppinger, T.Engert, T.Faestermann, F.Farinon, F.Finke, K.Geibel, J.Gerl, R.Gernhauser, N.Goel, A.Gottardo, J.Grebosz, C.Hinke, R.Hoischen, G.Ilie, H.Iwasaki, J.Jolie, A.Kaskas, I.Kojouharov, R.Krucken, N.Kurz, E.Merchan, C.Nociforo, J.Nyberg, M.Pfutzner, A.Prochazka, Zs.Podolyak, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, H.Schaffner, P.-A.Soderstrom, N.Warr, H.Weick, H.-J.Wollersheim, P.J.Woods, F.Nowacki, K.Sieja 16+ Spin-Gap Isomer in 96Cd RADIOACTIVITY 96Cd(EC) [from 9Be(124Xe, X)96Cd, E=850 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced high-spin isomer T1/2, Gamow-Teller resonance states. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.107.172502
2011RO02 Phys.Rev.Lett. 106, 022502 (2011) W.Rother, A.Dewald, H.Iwasaki, S.M.Lenzi, K.Starosta, D.Bazin, T.Baugher, B.A.Brown, H.L.Crawford, C.Fransen, A.Gade, T.N.Ginter, T.Glasmacher, G.F.Grinyer, M.Hackstein, G.Ilie, J.Jolie, S.McDaniel, D.Miller, P.Petkov, Th.Pissulla, A.Ratkiewicz, C.A.Ur, P.Voss, K.A.Walsh, D.Weisshaar, K.-O.Zell Enhanced Quadrupole Collectivity at N=40: The Case of Neutron-Rich Fe Isotopes NUCLEAR REACTIONS 197Au(62Fe, 62Fe'), (64Fe, 64Fe'), (66Fe, 66Fe'), E=97.8, 95, 88.3 MeV/nucleon; measured Eγ, Iγ. 62,64,66Fe; deduced lifetimes, B(E2), deformation parameters. Comparison with shell model calculations, experimental data. Secondary beams from 76Ge fragmentation. COMPILATION Cr, Fe, Ni, Zn, Ge, Se, Kr; Compiled nuclear structure data, B(E2) values and energy of the first excited states for N=24-56.
doi: 10.1103/PhysRevLett.106.022502
2011RO53 Nucl.Instrum.Methods Phys.Res. A654, 196 (2011) W.Rother, A.Dewald, G.Pascovici, C.Fransen, G.Friessner, M.Hackstein, G.Ilie, H.Iwasaki, J.Jolie, B.Melon, P.Petkov, M.Pfeiffer, Th.Pissulla, K.-O.Zell, U.Jakobsson, R.Julin, P.Jones, S.Ketelhut, P.Nieminen, P.Peura, P.Rahkila, J.Uusitalo, C.Scholey, S.Harissopulos, A.Lagoyannis, T.Konstantinopoulos, T.Grahn, D.Balabanski A new recoil distance technique using low energy coulomb excitation in inverse kinematics NUCLEAR REACTIONS Fe(128Xe, 128Xe'), E=3-10 MeV/nucleon; measured Eγ, Iγ, γγ-coin. 128Xe; deduced lifetimes, B(E2). Recoil Distance Doppler Shift technique, comparison with previous values.
doi: 10.1016/j.nima.2011.05.075
2011SA39 Phys.Rev. C 84, 024604 (2011) S.Sakaguchi, Y.Iseri, T.Uesaka, M.Tanifuji, K.Amos, N.Aoi, Y.Hashimoto, E.Hiyama, M.Ichikawa, Y.Ichikawa, S.Ishikawa, K.Itoh, M.Itoh, H.Iwasaki, S.Karataglidis, T.Kawabata, T.Kawahara, H.Kuboki, Y.Maeda, R.Matsuo, T.Nakao, H.Okamura, H.Sakai, Y.Sasamoto, M.Sasano, Y.Satou, K.Sekiguchi, M.Shinohara, K.Suda, D.Suzuki, Y.Takahashi, A.Tamii, T.Wakui, K.Yako, M.Yamaguchi, Y.Yamamoto Analyzing power in elastic scattering of 6He from a polarized proton target at 71 MeV/nucleon NUCLEAR REACTIONS 1H(6He, 6He), [6He secondary beam from 9Be(12C, X), E=92 MeV/nucleon primary reaction], E=71 MeV/nucleon; measured 6He and proton spectra, (6He)(p)(q, φ), p(θ), vector analyzing powers, polarized target, σ(θ); deduced optical model parameters. Comparison with semimicroscopic analysis with an α+n+n cluster folding model.
doi: 10.1103/PhysRevC.84.024604
2011SA68 J.Phys.:Conf.Ser. 312, 082037 (2011) S.Sakaguchi, T.Uesaka, T.Kawabata, T.Wakui, N.Aoi, Y.Hashimoto, Y.Ichikawa, K.Itoh, M.Itoh, H.Iwasaki, T.Kawahara, Y.Kondo, H.Kuboki, Y.Maeda, T.Nakamura, T.Nakao, Y.Nakayama, H.Okamura, H.Sakai, Y.Sasamoto, M.Sasano, Y.Satou, K.Sekiguchi, T.Shimamura, Y.Shimizu, M.Shinohara, K.Suda, D.Suzuki, Y.Takahashi, A.Tamii, K.Yako, M.Yamaguchi Elastic Scattering of Neutron-Rich Helium Isotopes from Polarized Protons at 71 MeV/A NUCLEAR REACTIONS 1H(6He, 6He), (8He, 8He), E=71 MeV/nucleon; measured polarized target Ep, Ip using SWDCs drift chambers and CsI(Tl), E(He), I(He), (He)p-coin; calculated σ(θ), analyzing power using optical model; deduced σ(θ), analyzing power, optical model parameters. Compared with published data with α and with 6Li.
doi: 10.1088/1742-6596/312/4/082037
2011TO08 Phys.Rev. C 84, 035808 (2011) Y.Togano, T.Gomi, T.Motobayashi, Y.Ando, N.Aoi, H.Baba, K.Demichi, Z.Elekes, N.Fukuda, Zs.Fulop, U.Futakami, H.Hasegawa, Y.Higurashi, K.Ieki, N.Imai, M.Ishihara, K.Ishikawa, N.Iwasa, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, S.Kubono, M.Kunibu, K.Kurita, Y.U.Matsuyama, S.Michimasa, T.Minemura, M.Miura, H.Murakami, T.Nakamura, M.Notani, S.Ota, A.Saito, H.Sakurai, M.Serata, S.Shimoura, T.Sugimoto, E.Takeshita, S.Takeuchi, K.Ue, K.Yamada, Y.Yanagisawa, K.Yoneda, A.Yoshida Resonance states in 27P using Coulomb dissociation and their effect on the stellar reaction 26Si(p, γ) 27P NUCLEAR REACTIONS 208Pb(27P, p26Si), E=54.2 MeV/nucleon, [secondary 27P beam from 9Be(36Ar, X), E=115 MeV primary reaction]; measured particle spectra, (26Si)p-coin, cross section, Coulomb dissociation. 27P; deduced levels, resonances, J, π, multipolarity, E2 resonance strengths. Comparison with shell model calculations, and with level structure of 27Mg. 26Si(p, γ)27P; deduced reaction rates of astrophysical interest.
doi: 10.1103/PhysRevC.84.035808
2010AO01 Phys.Lett. B 692, 302 (2010) N.Aoi, S.Kanno, S.Takeuchi, H.Suzuki, D.Bazin, M.D.Bowen, C.M.Campbell, J.M.Cook, D.-C.Dinca, A.Gade, T.Glasmacher, H.Iwasaki, T.Kubo, K.Kurita, T.Motobayashi, W.F.Mueller, T.Nakamura, H.Sakurai, M.Takashina, J.R.Terry, K.Yoneda, H.Zwahlen Enhanced collectivity in 74Ni NUCLEAR REACTIONS 1H(74Ni, 74Ni'), E=81 MeV/nucleon; measured Eγ, Iγ; 74Ni; deduced J, π, level energy, σ, deformation length and parameter.
doi: 10.1016/j.physletb.2010.07.052
2010BL13 J.Phys.:Conf.Ser. 205, 012035 (2010) A.Blazhev, N.Braun, H.Grawe, P.Boutachkov, B.S.Nara Singh, T.Brock, Zh.Liu, R.Wadsworth, M.Gorska, J.Jolie, F.Nowacki, S.Pietri, C.Domingo-Pardo, I.Kojouharov, L.Caceres, T.Engert, F.Farinon, J.Gerl, N.Goel, J.Grebosz, R.Hoischen, N.Kurz, C.Nociforo, A.Prochazka, H.Schaffner, S.Steer, H.Weick, H.-J.Wollersheim, A.Atac, L.Bettermann, K.Eppinger, T.Faestermann, F.Finke, K.Geibel, C.Hinke, A.Gottardo, G.Ilie, H.Iwasaki, R.Krucken, E.Merchan, J.Nyberg, M.Pfutzner, Zs.Podolyak, P.Regan, P.Reiter, S.Rinta-Antila, D.Rudolph, C.Scholl, P.A.Soderstrom, N.Warr, P.Woods High-energy excited states in 98Cd NUCLEAR REACTIONS 12C(98Cd, X), E not given [Cd from 9Be(124Xe, X), E=850 MeV/nucleon]; measured E(particle), I(particle), Eγ, Iγ(t), γγ-coin; deduced levels, J, π, bands, T1/2; calculated levels, J, π, configurations using LSSM (large-scale shell model) code NuShell(a)MSU and with OXBASH code.
doi: 10.1088/1742-6596/205/1/012035
2010CH42 Phys.Rev. C 82, 041304 (2010) R.J.Charity, J.M.Elson, J.Manfredi, R.Shane, L.G.Sobotka, Z.Chajecki, D.Coupland, H.Iwasaki, M.Kilburn, J.Lee, W.G.Lynch, A.Sanetullaev, M.B.Tsang, J.Winkelbauer, M.Youngs, S.T.Marley, D.V.Shetty, A.H.Wuosmaa, T.K.Ghosh, M.E.Howard 2p-2p decay of 8C and isospin-allowed 2p decay of the isobaric-analog state in 8B NUCLEAR REACTIONS 9Be(9C, 8B), [9C beam from 9Be(16O, X) fragmentation], E=70 MeV/nucleon; measured Ep, Ip, 6Li-p-p correlated events from an excited state (IAS of 8C g.s.) in 8B by analyzing complete kinematics of 2p+6Li decay products; deduced 2p decay (isospin-allowed 2p decay between isobaric analog states). 9Be(9C, 8C), [9C beam from 9Be(16O, X) fragmentation], E=70 MeV/nucleon; measured Ep, Ip, 6Be-p-p and α-p-p-p-p correlated events from 8C g.s. by analyzing complete kinematics of 2p+6Be and α+2p+2p events. RADIOACTIVITY 8C(2p); measured Ep, Ip, Eα, Iα, α-p-p-p-p coin, α-p-p coin from the decay of 8C g.s.
doi: 10.1103/PhysRevC.82.041304
2010MA15 Phys.Lett. B 683, 17 (2010) P.J.R.Mason, D.M.Cullen, C.Scholey, A.Dewald, O.Moller, H.Iwasaki, T.Pissulla, W.Rother, J.A.Dare, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, B.Niclasen, M.Nyman, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, J.Sorri, J.Saren, J.Uusitalo, F.R.Xu Isomer-tagged differential-plunger measurements in proton-unbound 144Ho NUCLEAR REACTIONS 92Mo(54Fe, np), E=226 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin, half-life, prompt and delayed γ rays using JUROGAM array. 144Ho; deduced energy levels, J, π, isomer, configurations. Recoil-isomer tagging method.
doi: 10.1016/j.physletb.2009.11.042
2010PR04 Phys.Rev. C 81, 054320 (2010) M.G.Procter, D.M.Cullen, C.Scholey, B.Niclasen, P.J.R.Mason, S.V.Rigby, J.A.Dare, A.Dewald, P.T.Greenlees, H.Iwasaki, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, O.Moller, M.Nyman, P.Peura, T.Pissulla, A.Puurunen, P.Rahkila, W.Rother, P.Ruotsalainen, J.Saren, J.Sorri, J.Uusitalo Lifetime measurements and shape coexistence in 144Dy NUCLEAR REACTIONS 92Mo(54Fe, 2p)144Dy, E=226 MeV; measured Eγ, Iγ, γγ-coin, DCO, half-lives by RDDS using JUROGAM array. 144Dy; deduced levels, J, π, multipolarity, bands, B(M1), B(E2), B(M1)/B(E2), Q(t), β2, configurations, magnetic-dipole shears bands. Comparison with systematics of bands in 142Gd, 143Tb, 145,146Dy and with cranked shell-model (CSM) calculations.
doi: 10.1103/PhysRevC.81.054320
2010UE01 Phys.Rev. C 82, 021602 (2010) T.Uesaka, S.Sakaguchi, Y.Iseri, K.Amos, N.Aoi, Y.Hashimoto, E.Hiyama, M.Ichikawa, Y.Ichikawa, S.Ishikawa, K.Itoh, M.Itoh, H.Iwasaki, S.Karataglidis, T.Kawabata, T.Kawahara, H.Kuboki, Y.Maeda, R.Matsuo, T.Nakao, H.Okamura, H.Sakai, Y.Sasamoto, M.Sasano, Y.Satou, K.Sekiguchi, M.Shinohara, K.Suda, D.Suzuki, Y.Takahashi, M.Tanifuji, A.Tamii, T.Wakui, K.Yako, Y.Yamamoto, M.Yamaguchi Analyzing power for proton elastic scattering from the neutron-rich 6He nucleus NUCLEAR REACTIONS 1H(6He, 6He), E=71 MeV/nucleon; measured σ(θ), vector analyzing power, polarized proton solid target. Comparison with t-matrix and g-matrix microscopic folding calculations. Discussed α-core distribution in 6He.
doi: 10.1103/PhysRevC.82.021602
2009AO01 Phys.Rev.Lett. 102, 012502 (2009) N.Aoi, E.Takeshita, H.Suzuki, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Development of Large Deformation in 62Cr NUCLEAR REACTIONS 1H(60Cr, 60Cr'), E=42 MeV/nucleon; 1H(62Cr, 62Cr'), E=39 MeV/nucleon; measured Eγ, Iγ, γγ, (particle)γ-coin. 60Cr; deduced deformation length. 62Cr; deduced levels, J, π, deformation length.
doi: 10.1103/PhysRevLett.102.012502
2009AS07 Eur.Phys.J. A 42, 441 (2009) M.Assie, J.A.Scarpaci, D.Lacroix, J.C.Angelique, D.Bazin, D.Beaumel, Y.Blumenfeld, W.N.Catford, M.Chabot, A.Chatterjee, M.Fallot, H.Iwasaki, F.Marechal, D.Mengoni, C.Monrozeau, J.Nyberg, C.Petrache, F.Skaza, T.Tuna Neutron correlations in 6He viewed through nuclear break-up NUCLEAR REACTIONS 208Pb(6He, X), E=20 MeV/nucleon; measured En, In, Ep, Ed, Et, Eα, αn-, nn-coin; deduced σ(θ), angular correlations. SPIRAL radioactive beam facility at GANIL. Comparison with GEANT4 simulation.
doi: 10.1140/epja/i2009-10787-4
2009HE12 Phys.Rev. C 80, 015801 (2009) J.J.He, S.Kubono, T.Teranishi, J.Hu, M.Notani, H.Baba, S.Nishimura, J.Y.Moon, M.Nishimura, H.Iwasaki, Y.Yanagisawa, N.Hokoiwa, M.Kibe, J.H.Lee, S.Kato, Y.Gono, C.S.Lee Investigation of excited states in 22Mg via resonant elastic scattering of 21Na+p and its astrophysical implications NUCLEAR REACTIONS p(21Na, p)22Mg, E=4.0 MeV/nucleon; measured Ep, σ(θ).22Mg; deduced levels, J, π, resonances, widths and resonance parameters. R-matrix analysis of σ(θ) data with SAMMY-M6-BETA code. 18Ne(α, p)21Na, E not given; deduced astrophysical resonance reaction rates.22Mg, 22Ne; comparison of level systematics of mirror nuclei.
doi: 10.1103/PhysRevC.80.015801
2009IC05 Phys.Rev. C 80, 044302 (2009) Y.Ichikawa, T.K.Onishi, D.Suzuki, H.Iwasaki, T.Kubo, V.Naik, A.Chakrabarti, N.Aoi, B.A.Brown, N.Fukuda, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai β decay of the proton-rich nucleus 24Si and its mirror asymmetry RADIOACTIVITY 24Si(β+), (β+p), 23Al(β+)[from 9Be(28Si, X), E=100 MeV/nucleon]; measured Eγ, Iγ, Ep, Ip, βγ-, γγ-coin, half-lives. 24Al, 23Mg; deduced levels, J, π, β+ and delayed-proton emission probabilities, logft, and B(GT) strengths. 20,21Na, 22,23Mg, 24Al(β+); measured Eγ. Comparison with shell-model calculation. Comparison of B(GT) strengths from 24Si and 24Ne decays. RIKEN-RIPS facility.
doi: 10.1103/PhysRevC.80.044302
2009IC06 Eur.Phys.J. A 42, 375 (2009) Y.Ichikawa, T.Kubo, N.Aoi, V.Banerjee, A.Chakrabarti, N.Fukuda, H.Iwasaki, S.Kubono, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, T.Okumura, H.J.Ong, T.K.Onishi, D.Suzuki, H.Suzuki, M.K.Suzuki, T.Teranishi, K.N.Yamada, H.Yamaguchi, H.Sakurai Beta-decay study of Tz = -2 proton-rich nucleus 24Si RADIOACTIVITY 24Si(β+), (β+p) [from 9Be, Ni(28Si, X), E=100 MeV/nucleon]; measured Eγ, Iγ, Ep, Ip, βγ-, γγ-coin, T1/2 at RIKEN RIPS facility. 24Al, 23Mg; deduced levels, J, π, branching ratios, emission probabilities.
doi: 10.1140/epja/i2008-10761-8
2009IM01 Phys.Lett. B 673, 179 (2009) N.Imai, N.Aoi, H.J.Ong, H.Sakurai, K.Demichi, H.Kawasaki, H.Baba, Zs.Dombradi, Z.Elekes, N.Fukuda, Zs.Fulop, A.Gelberg, T.Gomi, H.Hasegawa, K.Ishikawa, M.Ishihara, H.Iwasaki, E.Kaneko, S.Kanno, T.Kishida, Y.Kondo, T.Kubo, K.Kurita, S.Michimasa, T.Minemura, M.Miura, T.Motobayashi, T.Nakamura, M.Notani, T.K.Ohnishi, A.Saito, S.Shimoura, T.Sugimoto, M.K.Suzuki, E.Takeshita, S.Takeuchi, M.Tamaki, H.Watanabe, K.Yoneda First lifetime measurement of 2+1 state in 12Be NUCLEAR REACTIONS 197Au(12Be, 12Be'), E=42.9 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 12Be deduced levels, T1/2, B(E2), deformation length. Doppler shift attenuation method.
doi: 10.1016/j.physletb.2009.02.039
2009IW03 Phys.Rev.Lett. 102, 202502 (2009) H.Iwasaki, A.Dewald, C.Fransen, A.Gelberg, M.Hackstein, J.Jolie, P.Petkov, T.Pissulla, W.Rother, K.O.Zell Low-Lying Neutron Intruder State in 13B and the Fading of the N = 8 Shell Closure NUCLEAR REACTIONS 7Li(7Li, p), E=5.4 MeV; Measured Iγ, Doppler-shifted Eγ;Deduced level energy, J, π, B(M1). Doppler-shift attenuation method (DSAM).
doi: 10.1103/PhysRevLett.102.202502
2009NA07 Phys.Rev. C 79, 035805 (2009) T.Nakamura, N.Fukuda, N.Aoi, N.Imai, M.Ishihara, H.Iwasaki, T.Kobayashi, T.Kubo, A.Mengoni, T.Motobayashi, M.Notani, H.Otsu, H.Sakurai, S.Shimoura, T.Teranishi, Y.X.Watanabe, K.Yoneda Neutron capture cross section of 14C of astrophysical interest studied by Coulomb breakup of 15C NUCLEAR REACTIONS 15C(Pb, X)14C, E=68 MeV/nucleon; measured breakup σ as a function of energy; deduced B(E1) as a function of excitation. 14C(n, γ), E=0-2.8 MeV; deduced σ using principle of detailed balance and direct radiative capture model. Coulomb breakup process. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.035805
2009NI17 Eur.Phys.J. A 42, 471 (2009) M.Niikura, E.Ideguchi, N.Aoi, H.Baba, T.Fukuchi, Y.Ichikawa, H.Iwasaki, T.Kubo, M.Kurokawa, M.Liu, S.Michimasa, T.Ohnishi, T.K.Onishi, S.Ota, S.Shimoura, H.Suzuki, D.Suzuki, Y.Wakabayashi, K.Yoshida, Y.Zheng Yrast spectroscopy in 49-51Ti via fusion-evaporation reaction induced by a radioactive beam NUCLEAR REACTIONS 9Be(46Ar, xn)49Ti/50Ti/51Ti, E=2-8 MeV/nucleon; measured Eγ, Iγ, γγ-coin in-beam using GRAPE HPGe detector array with Doppler shift correction. 49Ti, 50Ti, 51Ti; deduced high-spin yrast levels, J, π, configurations. Comparison with shell model ANTOINE. Secondary radioactive beam.
doi: 10.1140/epja/i2009-10857-7
2009OD02 Phys.Rev. C 79, 064309 (2009) D.O'Donnell, T.Grahn, D.T.Joss, J.Simpson, C.Scholey, K.Andgren, L.Bianco, B.Cederwall, D.M.Cullen, A.Dewald, E.Ganioglu, M.B.Gomez Hornillos, P.T.Greenlees, B.Hadinia, H.Iwasaki, U.Jakobsson, J.Jolie, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, N.M.Lumley, P.J.R.Mason, O.Moller, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, M.Petri, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Sorri, J.Thomson, J.Uusitalo, H.V.Watkins Spectroscopy of the neutron-deficient nucleus 167Os91 NUCLEAR REACTIONS 92Mo(78Kr, n2p), E=335, 357, 365 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), and half-lives by recoil-distance method. 167Os; deduced levels, J, π, bands, and multipolarity. 168Os; deduced levels. Recoil-decay tagging technique. A=161-173, odd-A Yb, Hf, W and Os; systematics of experimental aligned momentum as a function of rotational frequency. Z=64-78, N=91; systematics of yrast states. Comparison with cranked shell-model calculations. RADIOACTIVITY 162,163,164W, 167,168Os, 168,169Ir, 168,169,170Pt(α); measured Eα, Iα.
doi: 10.1103/PhysRevC.79.064309
2009ON02 Eur.Phys.J. A 42, 393 (2009) H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa Observation/confirmation of hindered E2 strength in 18C/16C NUCLEAR REACTIONS 9Be(16C, 16C'), (18C, 18C'), E=72.79 MeV/nucleon; 16,18C; measured measured Eγ, Iγ, γγ-coin, half-lives using the upgraded recoil shadow method; deduced mean lifetime, B(E2), hinderance of transition strength, proton-shell closure. 22Ne secondary beams.
doi: 10.1140/epja/i2009-10804-8
2009SU14 Phys.Rev.Lett. 103, 152503 (2009) D.Suzuki, H.Iwasaki, D.Beaumel, L.Nalpas, E.Pollacco, M.Assie, H.Baba, Y.Blumenfeld, N.De Sereville, A.Drouart, S.Franchoo, A.Gillibert, J.Guillot, F.Hammache, N.Keeley, V.Lapoux, F.Marechal, S.Michimasa, X.Mougeot, I.Mukha, H.Okamura, H.Otsu, A.Ramus, P.Roussel-Chomaz, H.Sakurai, J.-A.Scarpaci, O.Sorlin, I.Stefan, M.Takechi Breakdown of the Z=8 Shell Closure in Unbound 12O and its Mirror Symmetry NUCLEAR REACTIONS 14O(p, t), E=51 MeV/nucleon; measured Et, It; deduced an excited state, σ, breakdown of Z=8 shell closure. Comparison with distorted-wave calculations.
doi: 10.1103/PhysRevLett.103.152503
2009TA08 Phys.Rev. C 79, 054319 (2009) S.Takeuchi, N.Aoi, T.Motobayashi, S.Ota, E.Takeshita, H.Suzuki, H.Baba, T.Fukui, Y.Hashimoto, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, T.Minemura, T.Nakabayashi, T.Nakamura, T.Okumura, T.K.Onishi, H.Sakurai, S.Shimoura, R.Sugou, D.Suzuki, M.K.Suzuki, M.Takashina, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Low-lying states in 32Mg studied by proton inelastic scattering NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=46.5 MeV/nucleon; measured Eγ, Iγ, scattered particle spectra, σ, σ(θ). 32Mg; deduced levels, J, π, deformation lengths, rms radii.Coupled-channel analysis of angular distribution cross sections. 24,26,28,30,32,34Mg; level systematics.
doi: 10.1103/PhysRevC.79.054319
2009TA31 Int.J.Mod.Phys. E18, 2025 (2009) S.Takeuchi, N.Aoi, H.Baba, T.Kubo, T.Motobayashi, K.Tanaka, K.Yamada, T.Fukui, S.Ota, Y.Hashimoto, Y.Kondo, T.Nakabayashi, T.Nakamura, T.Okumura, K.Ieki, S.Kanno, K.Kurita, R.Sugou, E.Takeshita, Y.Togano, N.Imai, T.Minemura, H.Iwasaki, T.K.Onishi, H.Sakurai, D.Suzuki, H.Suzuki, M.K.Suzuki, S.Shimoura, M.Tamaki Study of low-lying states in 32Mg NUCLEAR REACTIONS 1H(32Mg, 32Mg'), E=45.5 MeV/nucleon; measured Eγ, Iγ, γ-γ-coin.; 32Mg deduced level energies, decay and level scheme, J, π, σ(θ), β2. Secondary beam from 40Ar fragmentation.
doi: 10.1142/S0218301309014226
2009WA09 Acta Phys.Pol. B40, 611 (2009) R.Wadsworth, B.S.Nara Singh, A.N.Steer, D.G.Jenkins, M.A.Bentley, T.Brock, P.Davies, R.Glover, N.S.Pattabiraman, C.Scholey, T.Grahn, P.T.Greenlees, P.Jones, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Perua, J.Pakarinen, P.Rahkila, P.Ruotsalainen, J.Sorri, J.Uusitalo, C.J.Lister, P.A.Butler, M.Dimmock, D.T.Joss, J.Thomson, S.Rinta-Antila, B.Cederwall, B.Hadinia, M.Sandzelius, A.Atac, L.Betterman, A.Blazhev, N.Braun, F.Finke, K.Geibel, G.Ilie, H.Iwasaki, J.Jolie, P.Reiter, C.Scholl, N.Warr, P.Boutachkov, L.Caceres, C.Domingo, T.Engert, F.Farinon, J.Gerl, N.Goel, M.Gorska, H.Grawe, N.Kurz, I.Kojuharov, S.Pietri, C.Nociforo, A.Prochazka, H.-J.Wollersheim, K.Eppinger, T.Faestermann, C.Hinke, R.Hoischen, R.Kruecken, A.Gottardo, Z.Liu, P.Woods, J.Grebosz, E.Merchant, J.Nyberg, P.-A.Soderstrom, Z.Podolyak, P.Regan, S.Steer, M.Pfutzner, D.Rudolph The Northwest Frontier: Spectroscopy of N ∼ Z Nuclei Below Mass 100
2008AO01 Nucl.Phys. A805, 400c (2008) N.Aoi, H.Suzuki, E.Takeshita, S.Takeuchi, S.Ota, H.Baba, S.Bishop, T.Fukui, Y.Hashimoto, H.J.Ong, E.Ideguchi, K.Ieki, N.Imai, H.Iwasaki, S.Kanno, Y.Kondo, T.Kubo, K.Kurita, K.Kusaka, T.Minemura, T.Motobayashi, T.Nakabayashi, T.Nakamura, T.Nakao, M.Niikura, T.Okumura, T.K.Ohnishi, H.Sakurai, S.Shimoura, R.Sugo, D.Suzuki, M.K.Suzuki, M.Tamaki, K.Tanaka, Y.Togano, K.Yamada Shape transition observed in neutron-rich pf-shell isotopes studied via proton inelastic scattering NUCLEAR REACTIONS 1H(58Ti, 58Ti'), (60Cr, 60Cr'), (62Cr, 62Cr'), E≈40 MeV/nucleon; measured Eγ, Iγ, γγ-coin. 58Ti, 60,62Cr deduced levels, J, π, deformation lengths. Inverse kinematics.
doi: 10.1016/j.nuclphysa.2008.02.280
2008EL02 J.Phys.(London) G35, 014038 (2008) Z.Elekes, Z.Dombradi, N.Aoi, H.Baba, S.Bishop, K.Demichi, Z.Fulop, J.Gibelin, T.Gomi, H.Hasegawa, Y.Hashimoto, N.Imai, M.Ishihara, N.Iwasa, H.Iwasaki, G.Kalinka, S.Kanno, S.Kawai, T.Kishida, Y.Kondo, A.A.Korsheninnikov, T.Kubo, K.Kurita, M.Kurokawa, N.Matsui, Y.Matsuyama, S.Michimasa, T.Minemura, T.Motobayashi, T.Nakamura, T.Nakao, E.Y.Nikolskii, M.Notani, T.K.Ohnishi, T.Okumura, H.J.Ong, S.Ota, A.Ozawa, A.Perera, A.Saito, H.K.Sakai, H.Sakurai, Y.Satou, S.Shimoura, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, K.Yamada, Y.Yanagisawa, K.Yoneda The study of shell closures in light neutron-rich nuclei NUCLEAR REACTIONS 1H(28Ne, 27Ne), E≈51.3 MeV/nucleon; 22O(d, p)23O, E=34 MeV/nucleon; measured Eγ, Iγ, cross sections. 27Ne, 23O; deduced levels, J, π, Spectroscopic factors. Compared results to model calculations.
doi: 10.1088/0954-3899/35/1/014038
2008HE04 Eur.Phys.J. A 36, 1 (2008) J.J.He, S.Kubono, T.Teranishi, M.Notani, H.Baba, S.Nishimura, J.Y.Moon, M.Nishimura, S.Michimasa, H.Iwasaki, Y.Yanagisawa, N.Hokoiwa, M.Kibe, J.H.Lee, S.Kato, Y.Gono, C.S.Lee A study of the proton resonant property in 22Mg by elastic scattering of 21Na + p and its astrophysical implication in the 18Ne(α, p)21Na reaction rate NUCLEAR REACTIONS 1H(21Na, 21Na), E=4 MeV/nucleon; measured σ(E). 22Mg deduced levels, J, π.
doi: 10.1140/epja/i2007-10554-7
2008IW03 Phys.Rev. C 78, 021304 (2008) H.Iwasaki, S.Michimasa, M.Niikura, M.Tamaki, N.Aoi, H.Sakurai, S.Shimoura, S.Takeuchi, S.Ota, M.Honma, T.K.Onishi, E.Takeshita, H.J.Ong, H.Baba, Z.Elekes, T.Fukuchi, Y.Ichikawa, M.Ishihara, N.Iwasa, S.Kanno, R.Kanungo, S.Kawai, T.Kubo, K.Kurita, T.Motobayashi, A.Saito, Y.Satou, H.Suzuki, M.K.Suzuki, Y.Togano, Y.Yanagisawa Persistence of the N=50 shell closure in the neutron-rich isotope 80Ge NUCLEAR REACTIONS Pb(76Ge, 76Ge'), (80Ge, 80Ge'), E=37 MeV/nucleon; measured Eγ, Iγ, σ. 76,80Ge; deduced levels, J, π, B(E2). Comparison with large scale shell model calculations.
doi: 10.1103/PhysRevC.78.021304
2008IW04 Phys.Rev. C 78, 024306 (2008); Publishers's Note Phys.Rev. C 78, 029902 (2008) N.Iwasa, T.Motobayashi, S.Bishop, Z.Elekes, J.Gibelin, M.Hosoi, K.Ieki, K.Ishikawa, H.Iwasaki, S.Kawai, S.Kubono, K.Kurita, M.Kurokawa, N.Matsui, T.Minemura, H.Morikawa, T.Nakamura, M.Niikura, M.Notani, S.Ota, A.Saito, H.Sakurai, S.Shimoura, K.Sugawara, T.Sugimoto, H.Suzuki, T.Suzuki, I.Tanihata, E.Takeshita, T.Teranishi, Y.Togano, K.Yamada, K.Yamaguchi, Y.Yanagisawa Large proton contribution to the 2+ excitation in 20Mg studied by intermediate energy inelastic scattering NUCLEAR REACTIONS C, Pb(20Mg, 20Mg'), E=28 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, angular distributions. 20Mg; deduced B(E2).
doi: 10.1103/PhysRevC.78.024306
2008ON02 Phys.Rev. C 78, 014308 (2008) H.J.Ong, N.Imai, D.Suzuki, H.Iwasaki, H.Sakurai, T.K.Onishi, M.K.Suzuki, S.Ota, S.Takeuchi, T.Nakao, Y.Togano, Y.Kondo, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, Y.Yanagisawa Lifetime measurements of first excited states in 16, 18C NUCLEAR REACTIONS 9Be(16C, 16C'), E=40 MeV/nucleon;9Be(18C, 18C'), (18C, 11Be), (18C, 16N), E=79 MeV/nucleon; measured Eγ, Iγ, γγ-coin, half-lives using recoil shadow method. 11Be, 16N, 16,18C; deduced levels, J, π, B(E2). 14C, 16,18,20,22O, 34Si, 38,40,46,48Ca; comparison of B(E2) values.
doi: 10.1103/PhysRevC.78.014308
2008OT05 Phys.Lett. B 666, 311 (2008) S.Ota, S.Shimoura, H.Iwasaki, M.Kurokawa, S.Michimasa, N.Aoi, H.Baba, K.Demichi, Z.Elekes, T.Fukuchi, T.Gomi, S.Kanno, S.Kubono, K.Kurita, H.Hasegawa, E.Ideguchi, N.Iwasa, Y.U.Matsuyama, K.L.Yurkewicz, T.Minemura, T.Motobayashi, T.Murakami, M.Notani, A.Odahara, A.Saito, H.Sakurai, E.Takeshita, S.Takeuchi, M.Tamaki, T.Teranishi, Y.Yanagisawa, K.Yamada, M.Ishihara Low-lying proton intruder state in 13B NUCLEAR REACTIONS 4He(12Be, 13B), E=50 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, σ(θ). 13B; deduced levels, J, π.
doi: 10.1016/j.physletb.2008.07.081
2008SU12 Phys.Lett. B 666, 222 (2008) D.Suzuki, H.Iwasaki, H.J.Ong, N.Imai, H.Sakurai, T.Nakao, N.Aoi, H.Baba, S.Bishop, Y.Ichikawa, M.Ishihara, Y.Kondo, T.Kubo, K.Kurita, T.Motobayashi, T.Nakamura, T.Okumura, T.K.Onishi, S.Ota, M.K.Suzuki, S.Takeuchi, Y.Togano, Y.Yanagisawa Lifetime measurements of excited states in 17C: Possible interplay between collectivity and halo effects NUCLEAR REACTIONS 9Be(18C, n17C), E not given; measured Eγ, Iγ, lifetimes of low lying states using recoil shadow method. 17C; deduced B(M1).
doi: 10.1016/j.physletb.2008.07.055
2007BA61 Nucl.Phys. A788, 188c (2007) H.Baba, S.Shimoura, T.Minemura, Y.U.Matsuyama, A.Saito, H.Ryuto, N.Aoi, T.Gomi, Y.Higurashi, K.Ieki, N.Imai, N.Iwasa, H.Iwasaki, S.Kanno, S.Kubono, M.Kunibu, S.Michimasa, T.Motobayashi, T.Nakamura, H.Sakurai, M.Serata, E.Takeshita, S.Takeuchi, T.Teranishi, K.Ue, K.Yamada, Y.Yanagisawa Isoscalar compressional strengths in 14O NUCLEAR REACTIONS 4He(14O, α10C), (14O, 2p12C), (14O, p13N), E=60 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, excitation energy spectra, σ(θ). 14O deduced monopole and dipole strength distributions. Comparison with DWBA calculations.
doi: 10.1016/j.nuclphysa.2007.01.081
2007EL02 Phys.Rev.Lett. 98, 102502 (2007) Z.Elekes, Zs.Dombradi, N.Aoi, S.Bishop, Zs.Fulop, J.Gibelin, T.Gomi, Y.Hashimoto, N.Imai, N.Iwasa, H.Iwasaki, G.Kalinka, Y.Kondo, A.A.Korsheninnikov, K.Kurita, M.Kurokawa, N.Matsui, T.Motobayashi, T.Nakamura, T.Nakao, E.Yu.Nikolskii, T.K.Ohnishi, T.Okumura, S.Ota, A.Perera, A.Saito, H.Sakurai, Y.Satou, D.Sohler, T.Sumikama, D.Suzuki, M.Suzuki, H.Takeda, S.Takeuchi, Y.Togano, Y.Yanagisawa Spectroscopic Study of Neutron Shell Closures via Nucleon Transfer in the Near-Dripline Nucleus 23O NUCLEAR REACTIONS 2H(22O, 23O), E=34 MeV/nucleon; measured excitation energy spectrum. 23O deduced resonance energies, neutron shell features.
doi: 10.1103/PhysRevLett.98.102502
2007EL10 Eur.Phys.J. Special Topics 150, 99 (2007) Z.Elekes, Zs.Dombradi, A.Saito, N.Aoi, H.Baba, K.Demichi, Zs.Fulop, J.Gibelin, T.Gomi, H.Hasegawa, N.Imai, M.Ishihara, H.Iwasaki, S.Kanno, S.Kawai, T.Kishida, T.Kubo, K.Kurita, Y.Matsuyama, S.Michimasa, T.Minemura, T.Motobayashi, M.Notani, T.K.Ohnishi, H.J.Ong, S.Ota, A.Ozawa, H.K.Sakai, H.Sakurai, S.Shimoura, E.Takeshita, S.Takeuchi, M.Tamaki, Y.Togano, K.Yamada, Y.Yanagisawa, K.Yoneda Study of N = 20 shell gap with 1H(28Ne, 27, 28Ne) reactions NUCLEAR REACTIONS 1H(28Ne, 28Ne'), (28Ne, 27Ne), E=51.3 MeV/nucleon; measured Eγ, Iγ, γγ-coin. 27,28Ne; deduced level energies.
doi: 10.1140/epjst/e2007-00277-5
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