NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = J.Tostevin Found 244 matches. Showing 1 to 100. [Next]2024JU01 Phys.Lett. B 851, 138561 (2024) A.Jungclaus, P.Doornenbal, J.Acosta, V.Vaquero, F.Browne, M.L.Cortes, A.Gargano, T.Koiwai, H.Naidja, R.Taniuchi, J.A.Tostevin, K.Wimmer, A.Algora, H.Baba, A.Fernandez, N.Lalovic, E.Nacher, B.Rubio, H.Sakurai Position of the single-particle 3/2- state in 135Sn and the N=90 subshell closure NUCLEAR REACTIONS 9Be(136Sn, n)135Sn, E=200 MeV/nucleon; 9Be(137Sb, np)135Sn, E=202 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, level T1/2 limit, B(E2), the evolution of the neutron shell structure beyond N=82. Comparison with he predictions of shell-model calculations performed using microscopic interactions derived from the CD-Bonn and N3LO NN potentials. The Radioactive Isotope Beam Factory (RIBF) operated by the RIKEN Nishina Center for Accelerator-Based Science and the Center for Nuclear Study of the University of Tokyo.
doi: 10.1016/j.physletb.2024.138561
2023BE26 Phys.Rev. C 108, L061301 (2023) T.Beck, A.Gade, B.A.Brown, J.A.Tostevin, D.Weisshaar, D.Bazin, K.W.Brown, R.J.Charity, P.J.Farris, S.A.Gillespie, A.M.Hill, J.Li, B.Longfellow, W.Reviol, D.Rhodes Probing proton cross-shell excitations through the two-neutron removal from 38Ca
doi: 10.1103/PhysRevC.108.L061301
2023WA18 Phys.Lett. B 843, 138038 (2023) H.Wang, M.Yasuda, Y.Kondo, T.Nakamura, J.A.Tostevin, K.Ogata, T.Otsuka, A.Poves, N.Shimizu, K.Yoshida, N.L.Achouri, H.Al Falou, L.Atar, T.Aumann, H.Baba, K.Boretzky, C.Caesar, D.Calvet, H.Chae, N.Chiga, A.Corsi, H.L.Crawford, F.Delaunay, A.Delbart, Q.Deshayes, Zs.Dombradi, C.Douma, Z.Elekes, P.Fallon, I.Gasparic, J.-M.Gheller, J.Gibelin, A.Gillibert, M.N.Harakeh, A.Hirayama, C.R.Hoffman, M.Holl, A.Horvat, A.Horvath, J.W.Hwang, T.Isobe, J.Kahlbow, N.Kalantar-Nayestanaki, S.Kawase, S.Kim, K.Kisamori, T.Kobayashi, D.Korper, S.Koyama, I.Kuti, V.Lapoux, S.Lindberg, F.M.Marques, S.Masuoka, J.Mayer, K.Miki, T.Murakami, M.A.Najafi, K.Nakano, N.Nakatsuka, T.Nilsson, A.Obertelli, N.A.Orr, H.Otsu, T.Ozaki, V.Panin, S.Paschalis, A.Revel, D.Rossi, A.T.Saito, T.Saito, M.Sasano, H.Sato, Y.Satou, H.Scheit, F.Schindler, P.Schrock, M.Shikata, Y.Shimizu, H.Simon, D.Sohler, O.Sorlin, L.Stuhl, S.Takeuchi, M.Tanaka, M.Thoennessen, H.Tornqvist, Y.Togano, T.Tomai, J.Tscheuschner, J.Tsubota, T.Uesaka, Z.Yang, K.Yoneda Intruder configurations in 29Ne at the transition into the island of inversion: Detailed structure study of 28Ne NUCLEAR REACTIONS 1H(29Ne, np)28Ne, E=240 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, partial level scheme, J, π, one-neutron removal σ, parallel momentum distributions. Comparison with available data. The MINOS target was surrounded by the DALI2 array, the Radioactive Isotope Beam Factory (RIBF), operated by the RIKEN Nishina Center and the Center for Nuclear Study, University of Tokyo.
doi: 10.1016/j.physletb.2023.138038
2022CR04 Phys.Rev. C 106, L061303 (2022) H.L.Crawford, M.D.Jones, A.O.Macchiavelli, P.Fallon, D.Bazin, P.C.Bender, B.A.Brown, C.M.Campbell, R.M.Clark, M.Cromaz, B.Elman, A.Gade, J.D.Holt, R.V.F.Janssens, I.Y.Lee, B.Longfellow, S.Paschalis, M.Petri, A.L.Richard, M.Salathe, J.A.Tostevin, D.Weisshaar Core of 25F studied by the 25F(-p) proton-removal reaction NUCLEAR REACTIONS 9Be(25F, 24O), E=77 MeV/nucleon; measured reaction products; deduced longitudinal momentum distribution, proton removal σ, spectroscopic factor. Results are interpreted within the framework of the Particle-Vibration Coupling (PVC) model, of a d5/2 proton coupled to a quadrupole phonon of an effective 24O core. Comparison to shell model predictions. Reaction products analyzed by spectrometer S800 (NSCL). Secondary 25F beam from 48Ca fragmentation on Be target at accelerated through the Coupled Cyclotron Facility.
doi: 10.1103/PhysRevC.106.L061303
2022GA31 Phys.Rev.Lett. 129, 242501 (2022) A.Gade, B.A.Brown, D.Weisshaar, D.Bazin, K.W.Brown, R.J.Charity, P.Farris, A.M.Hill, J.Li, B.Longfellow, D.Rhodes, W.Reviol, J.A.Tostevin Dissipative Reactions with Intermediate-Energy Beams: A Novel Approach to Populate Complex-Structure States in Rare Isotopes NUCLEAR REACTIONS 9Be(38Ca, 38Ca'), E=60.9 MeV/nucleon; measured reaction products, Eγ, Iγ. 38Ca; deduced γ-ray energies and relative intensities, partial level scheme, multiparticle-multihole excited states, negative-parity, complex-structure final states. Comparison with shell model calculations. The Coupled Cyclotron Facility at NSCL, GRETINA array.
doi: 10.1103/PhysRevLett.129.242501
2022GA32 Phys.Rev. C 106, 064303 (2022) A.Gade, D.Weisshaar, B.A.Brown, D.Bazin, K.W.Brown, R.J.Charity, P.Farris, A.M.Hill, J.Li, B.Longfellow, D.Rhodes, W.Reviol, J.A.Tostevin Exploiting dissipative reactions to perform in-beam γ-ray spectroscopy of the neutron-deficient isotopes 38, 39Ca NUCLEAR REACTIONS 9Be(38Ca, 38Ca), (38Ca, 39Ca), E=60.9 MeV/nucleon; measured reaction products Eγ, Iγ, γγ-coin, (particle)γ-coin. 38,39Ca; deduced levels, J, π, high-spin states. Comparison to shell-model calculations using the FSU spsdf p interaction and experimental results for 39K mirror nuclei. High resolution γ-ray tracking array GRETINA coupled with S800 spectroraph. Beam from fragmentation of 40Ca 140 MeV/nucleon primary beam on 9Be target in the A1900 separator at Coupled Cyclotron Facility (NSCL).
doi: 10.1103/PhysRevC.106.064303
2022KI08 Phys.Rev. C 105, 034318 (2022) N.Kitamura, K.Wimmer, T.Miyagi, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg In-beam γ-ray spectroscopy of 32Mg via direct reactions NUCLEAR REACTIONS 9Be(33Mg, n), E=99.6 MeV/nucleon; 9Be(34Si, 2p), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced inclusive and exclusive σ, momentum distribution, spectroscopic factors. 32Mg; deduced, levels, J, π, configurations, structure of ground-state rotational band. Comparison to shell-model calculations using SDPF-M, SDPF-U-MIX, EEdf1 and IMSRG interactions. Systematics of low-spin levels for N=20 isotones (32Mg, 34Si, 36S, 38Ar, 40Ca). GRETINA at NSCL-MSU.
doi: 10.1103/PhysRevC.105.034318
2022KU08 Phys.Rev. C 105, 034314 (2022) A.N.Kuchera, D.Bazin, T.Phan, J.A.Tostevin, M.Babo, T.Baumann, P.C.Bender, M.Bowry, J.Bradt, J.Brown, P.A.DeYoung, B.Elman, J.E.Finck, A.Gade, G.F.Grinyer, M.D.Jones, B.Longfellow, E.Lunderberg, T.H.Redpath, W.F.Rogers, K.Stiefel, M.Thoennessen, D.Votaw, D.Weisshaar, K.Whitmore, R.B.Wiringa Mirror nucleon removal reactions in p-shell nuclei NUCLEAR REACTIONS 9Be(7Li, 6He), (7Li, 6Li), (9Li, 8Li), (10Be, 9Li) E=80 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial σ to the individual final states of the daughter nuclei. Comparison to fully microscopic variational Monte Carlo (VMC) model calculations. Systematics of partial σ for nucleon removal reactions in mirror pairs. CAESAR array of 170 CsI(Te) scintillators. Secondaries beam produced in 9Be(16O, X), E=150 MeV/nucleon reaction and delivered to the target via A1900 fragment separator (NSCL-MSU).
doi: 10.1103/PhysRevC.105.034314
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
2021CH47 Phys.Rev. C 104, 034313 (2021) D.Chrisman, A.N.Kuchera, T.Baumann, A.Blake, B.A.Brown, J.Brown, C.Cochran, P.A.DeYoung, J.E.Finck, N.Frank, P.Gueye, H.Karrick, H.Liu, J.McDonaugh, T.Mix, B.Monteagudo, T.H.Redpath, W.F.Rogers, R.Seaton-Todd, A.Spyrou, K.Stiefel, M.Thoennessen, J.A.Tostevin, D.Votaw Neutron-unbound states in 31Ne NUCLEAR REACTIONS 9Be(33Mg, X)31Ne, E=89 MeV/nucleon; measured reaction fragments and neutrons detected by the MoNa-LISA-Sweeper array at NSCL-MSU cyclotron facility; reconstructed decay energy for 30Ne+n from invariant mass spectroscopy. 31Ne; deduced levels, neutron-unbound states from the two-body decay-energy spectrum. Comparison with shell-model calculations using FSU interaction within the NUSHELLX code, combined with two-proton knockout cross-section calculations using the eikonal reaction theory. Relevance to 31Ne being a prime example of a halo nucleus in the island of inversion.
doi: 10.1103/PhysRevC.104.034313
2021GA02 Phys.Rev. C 103, 014314 (2021) A.Gade, R.V.F.Janssens, D.Bazin, P.Farris, A.M.Hill, S.M.Lenzi, J.Li, D.Little, B.Longfellow, F.Nowacki, A.Poves, D.Rhodes, J.A.Tostevin, D.Weisshaar In-beam γ-ray spectroscopy of 62, 64Cr NUCLEAR REACTIONS 9Be(65Mn, 62Cr), (65Mn, 64Cr), (66Fe, 62Cr), (66Fe, 64Cr), (68Co, 62Cr), (68Co, 64Cr), E=90-95 MeV/nucleon, [secondary beams of 65Mn, 66Fe, 68Co from 9Be(82Se, X), E=140 MeV/nucleon primary reaction followed by separation of fragments using A1900 separator at NSCL-MSU Coupled Cyclotron Facility]; measured projectile-like reaction residues, Eγ, Iγ, (particle)γ-, and γγ-coin using GRETINA array for γ detection, and S800 ionization chamber with two plastic timing scintillators for detection of 62Cr and 64Cr particles analyzed through time-of-flight and energy loss. 62,64Cr; deduced levels, J, π. Comparison with shell-model calculations using LNPS interaction. NUCLEAR STRUCTURE 62,64Cr; calculated levels, J, π, B(E2) using shell-model calculations with Lenzi-Nowacki-Poves-Sieja (LNPS) interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.014314
2021KI09 Phys.Lett. B 822, 136682 (2021) N.Kitamura, K.Wimmer, A.Poves, N.Shimizu, J.A.Tostevin, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, F.Nowacki, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, Y.Utsuno, D.Weisshaar, A.Westerberg Coexisting normal and intruder configurations in 32Mg NUCLEAR REACTIONS 9Be(33Mg, 32Mg), E=99.6 MeV/nucleon; 9Be(34Si, 32Mg), E=94.8 MeV/nucleon; measured reaction products, Eγ, Iγ. 32Mg; deduced γ-ray energies, J, π, level scheme, momentum distributions, one-neutron and two-proton knockout σ. Comparison with calculations, available data.
doi: 10.1016/j.physletb.2021.136682
2021OT02 Phys.Rev. C 104, 055806 (2021) S.Ota, G.Christian, W.N.Catford, G.Lotay, M.Pignatari, U.Battino, E.A.Bennett, S.Dede, D.T.Doherty, S.Hallam, F.Herwig, J.Hooker, C.Hunt, H.Jayatissa, A.Matta, M.Moukaddam, E.Rao, G.V.Rogachev, A.Saastamoinen, D.Scriven, J.A.Tostevin, S.Upadhyayula, R.Wilkinson (6Li, d) and (6Li, t) reactions on 22Ne and implications for s-process nucleosynthesis NUCLEAR REACTIONS 6Li(22Ne, d)26Mg, 6Li(22Na, t)25Mg, E=154 MeV; 2H(22Ne, p)23Ne, E not given; measured reaction products, E(d), I(d), E(p), I(p), Eγ, Iγ, 26Mg and 25Mg recoils, (26Mg)γ-coin, (25Mg)γ-coin, (particle)(particle)-coin, σ(θ) using TIARA Si detector array of two sets of Si detectors, 'Hyball' and 'Barrel', MDM high-resolution and broad range magnetic spectrometer, and array of four HPGe detectors at the K150 cyclotron of Texas A and M University. 23Ne, 25Mg, 26Mg; deduced levels, J, π, resonances, resonances in the Gamow window of 22Ne(α, n)25Mg reaction, spectroscopic factors, α-spectroscopic factors for 26Mg, resonance strengths, impact of 22Ne+α resonances on s-process nucleosynthesis; comparison of σ(θ) data with DWBA calculations using FRESCO code. Comparison with previous experimental results. 22Ne(α, n), (α, γ); calculated s-process overproduction factors in stars 3 and 5 times the mass of the sun for A=60-210 isotopes.
doi: 10.1103/PhysRevC.104.055806
2021TO06 Phys.Rev. C 103, 054610 (2021) Updated systematics of intermediate-energy single-nucleon removal cross sections NUCLEAR REACTIONS 9Be, 12C(9Li, 8Li), (10Be, 9Be), (10C, 9C), (11C, 10C), (12C, 11C), (15C, 14C), (19C, 18C), (20C, 19C), (16O, 15O), (24O, 23O), (29Ne, 28Ne), (22Mg, 21Mg), (24Si, 23Si), (34Si, 33Si), (36Si, 35Si), (38Si, 37Si), (40Si, 39Si), (28S, 27S), (44S, 43S), (32Ar, 31Ar), (34Ar, 33Ar), (46Ar, 45Ar), (36Ca, 35Ca), (57Ni, 56Ni), (10Be, 9Li), (8B, 7Be), (9C, 8B), (12C, 11B), (16C, 15B), (14O, 13N), (16O, 15N), (25F, 24O), (30Ne, 29F), (33Na, 32Ne), (28Mg, 27Na), (24Si, 23Al), (36Si, 35Al), (38Si, 37Al), (40Si, 39Al), (43P, 42Si), (28S, 27P), (36S, 35P), (36Ca, 35K), (71Co, 70Fe), E=100-1600 MeV/nucleon; 7Li, 12C, 16O, 30Si, 31P, 40,48Ca, 51V, 90Zr, 208Pb(e, e'p), E=100-1600 MeV/nucleon; compiled experimental data; analyzed one-neutron removal, one-proton removal and one-proton knockout cross sections and compared to theoretical calculations based on eikonal-model treatment of the reaction dynamics and shell-model description of the projectile initial state, and the bound final state spectra of the reaction residues; computed single-particle removal strengths from their wave-function overlaps.
doi: 10.1103/PhysRevC.103.054610
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
2020CH41 Phys.Rev. C 102, 044614 (2020) R.J.Charity, L.G.Sobotka, J.A.Tostevin Single-nucleon knockout cross sections for reactions producing resonance states at or beyond the drip line NUCLEAR REACTIONS 9Be(9C, 8B)p, (9C, 8C)n, E≈66.8 MeV/nucleon; 9Be(13O, 12N)p, (13O, 12O)n, E=65.4 MeV/nucleon; 9Be(17Ne, 16Ne)n, E=58.2 MeV/nucleon; analyzed experiments performed at NSCL-MSU using HiRA array of 14 Si-CsI(Tl) E-ΔE telescopes, and reported in 2010Ch42, 2011Ch32 and 2014Br15 publications for 9C beam, in 2019We11 for 13O beam, and in 2014Br19, 2018Ch25 and 2019Ch16 for 17Ne beam; deduced single-nucleon knockout cross sections and spectroscopic factors with emphasis on the production of resonance states in the residual nuclei, identified by their invariant mass, and resonances with two-, three-, and five-body exit channels. Comparison with eikonal-model predictions using spectroscopic factors from shell-model or variational Monte Carlo method. 9Be(13O, 12O)n, E=28.2 MeV/nucleon; analyzed experimental data from Texas A and M University Cyclotron facility, and reported in 2012Ja11 publication, for dependence of knockout cross sections on incident beam energy. 8B, 12N, 16Ne; deduced levels, resonances, J, π, isospin, widths, decay modes of resonances.
doi: 10.1103/PhysRevC.102.044614
2020GA23 Phys.Lett. B 808, 135637 (2020) A.Gade, D.Weisshaar, B.A.Brown, J.A.Tostevin, D.Bazin, K.Brown, R.J.Charity, P.J.Farris, A.M.Hill, J.Li, B.Longfellow, W.Reviol, D.Rhodes In-beam γ-ray spectroscopy at the proton dripline: 40Sc NUCLEAR REACTIONS 9Be(38Ca, X)40Sc, E=60.9 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π. Comparison with available data.
doi: 10.1016/j.physletb.2020.135637
2020JO06 Phys.Rev. C 102, 024321 (2020) S.Jongile, A.Lemasson, O.Sorlin, M.Wiedeking, P.Papka, D.Bazin, C.Borcea, R.Borcea, A.Gade, H.Iwasaki, E.Khan, A.Lepailleur, A.Mutschler, F.Nowacki, F.Recchia, T.Roger, F.Rotaru, M.Stanoiu, S.R.Stroberg, J.A.Tostevin, M.Vandebrouck, D.Weisshaar, K.Wimmer Structure of 33Si and the magicity of the N=20 gap at Z=14 NUCLEAR REACTIONS 9Be(34Si, 33Si), E=98.5 MeV/nucleon, [34Si secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation of fragments using the A1900 fragment separator at the NSCL-MSU facility]; measured reaction residues using the S800 spectrograph, Eγ, Iγ, (33Si)γ-coin using the GRETINA array for γ detection, momentum distributions. 33Si; deduced levels, J, π, L-transfers in one-nucleon knockout reactions, population fractions, partial cross sections of final states, spectroscopic factors. Comparison with shell-model calculations with SDPF-U-MIX interaction, and with previous experimental results.
doi: 10.1103/PhysRevC.102.024321
2020KI19 Phys.Rev. C 102, 054318 (2020) N.Kitamura, K.Wimmer, N.Shimizu, V.M.Bader, C.Bancroft, D.Barofsky, T.Baugher, D.Bazin, J.S.Berryman, V.Bildstein, A.Gade, N.Imai, T.Kroll, C.Langer, J.Lloyd, E.Lunderberg, G.Perdikakis, F.Recchia, T.Redpath, S.Saenz, D.Smalley, S.R.Stroberg, J.A.Tostevin, N.Tsunoda, Y.Utsuno, D.Weisshaar, A.Westerberg Structure of 30Mg explored via in-beam γ-ray spectroscopy NUCLEAR REACTIONS 9Be(31Mg, 30Mg), E=97.9 MeV; 9Be(32Mg, 30Mg), E=99.1 MeV; 9Be(34Si, 30Mg), E=94.8 MeV; 9Be(35P, 30Mg), E=102.3 MeV, [secondary beams from 9Be(48Ca, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator for beam purification at NSCL-MSU facility]; measured reaction products using S800 spectrometer, Eγ, Iγ, γγ-coin, Doppler-corrected add-back γ-ray spectra using the Gamma-Ray Energy Tracking In-beam Nuclear Array (GRETINA) of seven modules, each module housing four HPGe crystals. 30Mg; deduced levels, J, π, population σ of levels, spectroscopic factors, parallel momentum distributions; calculated T-plots in (Q0, Q2) plane. Comparison with shell-model calculations using the SDPF-M and EEdf1 interactions for all states. Systematics of low-energy levels in 30Mg, 32Si, 34S, 36Ar, 38Ca. Relevance to "island of inversion".
doi: 10.1103/PhysRevC.102.054318
2020LO05 Phys.Rev. C 101, 031303 (2020) B.Longfellow, A.Gade, J.A.Tostevin, E.C.Simpson, B.A.Brown, A.Magilligan, D.Bazin, P.C.Bender, M.Bowry, B.Elman, E.Lunderberg, D.Rhodes, M.Spieker, D.Weisshaar, S.J.Williams Two-neutron knockout as a probe of the composition of states in 22Mg, 23Al, and 24Si NUCLEAR REACTIONS 9Be(24Mg, 22Mg), E=95 MeV/nucleon; 9Be(25Al, 23Al), E=102 MeV/nucleon; 9Be(26Si, 24Si), E=109 MeV/nucleon, [secondary beams of 24Mg, 25Al and 26Si from 9Be(36Ar, X), E=150 MeV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, parallel momentum distributions using S800 spectrograph for particles and 192-element caesium-iodide scintillator array CAESAR for γ detection. 22Mg, 23Al, 24Si; deduced levels, J, π. Comparison with eikonal reaction theory and shell model calculations. Relevance to 23Al(p, γ)24Si astrophysical reaction rates.
doi: 10.1103/PhysRevC.101.031303
2020MO32 Phys.Rev. C 102, 034325 (2020) S.Momiyama, K.Wimmer, D.Bazin, J.Belarge, P.Bender, B.Elman, A.Gade, K.W.Kemper, N.Kitamura, B.Longfellow, E.Lunderberg, M.Niikura, S.Ota, P.Schrock, J.A.Tostevin, D.Weisshaar Shell structure of 43S and collapse of the N=28 shell closure NUCLEAR REACTIONS 9Be(44S, 43S), E=93.7 MeV/nucleon, [44S secondary beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, followed by separation and identification of 44S ions by A1900 separator and S800 spectrograph at the NSCL-MSU cyclotron facility]; measured reaction products, Eγ, Iγ, Doppler-corrected γ-ray spectrum using GRETINA array, delayed γ rays from the decay of isomeric states using IsoTagger consisting of 32 CsI(Na) detectors, (43S)γ- and γγ-coin, parallel momentum distributions. 43S; deduced levels, J, π, inclusive and exclusive cross sections for bound states, spectroscopic factors. Comparison with shell-model calculations using SDPF-U and SDPF-MU effective interactions. 44S; deduced intruder configuration in the ground state and N=28 shell quenching from the removal of a 2p3/2 neutron.
doi: 10.1103/PhysRevC.102.034325
2020OT01 Phys.Lett. B 802, 135256 (2020) S.Ota, G.Christian, G.Lotay, W.N.Catford, E.A.Bennett, S.Dede, D.T.Doherty, S.Hallam, J.Hooker, C.Hunt, H.Jayatissa, A.Matta, M.Moukaddam, G.V.Rogachev, A.Saastamoinen, J.A.Tostevin, S.Upadhyayula, R.Wilkinson Decay properties of 22Ne + α resonances and their impact on s-process nucleosynthesis NUCLEAR REACTIONS 6Li(22Ne, d)26Mg, E=154 MeV; measured reaction products; deduced resonance parameters, n/γ branching ratio. Comparison with Monte Carlo calculations.
doi: 10.1016/j.physletb.2020.135256
2020VA01 Phys.Rev.Lett. 124, 022501 (2020) V.Vaquero, A.Jungclaus, T.Aumann, J.Tscheuschner, E.V.Litvinova, J.A.Tostevin, H.Baba, D.S.Ahn, R.Avigo, K.Boretzky, A.Bracco, C.Caesar, F.Camera, S.Chen, V.Derya, P.Doornenbal, J.Endres, N.Fukuda, U.Garg, A.Giaz, M.N.Harakeh, M.Heil, A.Horvat, K.Ieki, N.Imai, N.Inabe, N.Kalantar-Nayestanaki, N.Kobayashi, Y.Kondo, S.Koyama, T.Kubo, I.Martel, M.Matsushita, B.Million, T.Motobayashi, T.Nakamura, N.Nakatsuka, M.Nishimura, S.Nishimura, S.Ota, H.Otsu, T.Ozaki, M.Petri, R.Reifarth, J.L.Rodriguez-Sanchez, D.Rossi, A.T.Saito, H.Sakurai, D.Savran, H.Scheit, F.Schindler, P.Schrock, D.Semmler, Y.Shiga, M.Shikata, Y.Shimizu, H.Simon, D.Steppenbeck, H.Suzuki, T.Sumikama, D.Symochko, I.Syndikus, H.Takeda, S.Takeuchi, R.Taniuchi, Y.Togano, J.Tsubota, H.Wang, O.Wieland, K.Yoneda, J.Zenihiro, A.Zilges Fragmentation of Single-Particle Strength around the Doubly Magic Nucleus 132Sn and the Position of the 0f5/2 Proton-Hole State in 131In NUCLEAR REACTIONS 4He(132Sn, n), (132Sn, p), E=203 MeV/nucleon; 9Be(238U, X)132Sn, E=345 MeV/nucleon; measured reaction products, Eγ, Iγ. 131Sn, 131In; deduced γ-ray energies, spectroscopic factors, strong fragmentation of single-hole strength. Comparison with theoretical calculations.
doi: 10.1103/physrevlett.124.022501
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
2019GA01 Phys.Rev. C 99, 011301 (2019) A.Gade, R.V.F.Janssens, J.A.Tostevin, D.Bazin, J.Belarge, P.C.Bender, S.Bottoni, M.P.Carpenter, B.Elman, S.J.Freeman, T.Lauritsen, S.M.Lenzi, B.Longfellow, E.Lunderberg, A.Poves, L.A.Riley, D.K.Sharp, D.Weisshaar, S.Zhu Structure of 70Fe: Single-particle and collective degrees of freedom NUCLEAR REACTIONS 9Be(71Co, 70Fe), E=87 MeV/nucleon, [secondary 71Co beam from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, followed by separation of 71Co ions using A1900 fragment separator]; measured Eγ, Iγ, (70Fe ions)γ- and γγ-coin, residue energy loss and time of flight, σ for one-proton removal, level half-lives by line-shape analysis using GRETINA array for γ detection and the S800 spectrograph for particle identification at the NSCL-MSU facility. 70Fe; deduced levels, J, π, . Comparison with LNPS large-scale shell-model calculations.
doi: 10.1103/PhysRevC.99.011301
2019GA15 Phys.Rev.Lett. 122, 222501 (2019) A.Gade, B.A.Brown, J.A.Tostevin, D.Bazin, P.C.Bender, C.M.Campbell, H.L.Crawford, B.Elman, K.W.Kemper, B.Longfellow, E.Lunderberg, D.Rhodes, D.Weisshaar Is the Structure of 42Si Understood? NUCLEAR REACTIONS 9Be(43P, 42Si), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 42Si; deduced γ-ray energies, partial proton removal σ. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.122.222501
2019MU03 Phys.Rev. C 99, 011302 (2019) I.Murray, M.MacCormick, D.Bazin, P.Doornenbal, N.Aoi, H.Baba, H.Crawford, P.Fallon, K.Li, J.Lee, M.Matsushita, T.Motobayashi, T.Otsuka, H.Sakurai, H.Scheit, D.Steppenbeck, S.Takeuchi, J.A.Tostevin, N.Tsunoda, Y.Utsuno, H.Wang, K.Yoneda Spectroscopy of strongly deformed 32Ne by proton knockout reactions NUCLEAR REACTIONS 9Be(33Na, 32Ne), (34Mg, 32Ne), E=235, 221 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin, time of flight and energy loss, σ for one- and two-proton knockout reactions populating levels in 32Ne using the ZeroDegree spectrometer for particle identification and the DALI2 array for γ detection at the RIKEN-RIBF facility. 32Ne; deduced first 2+ and 4+ levels, configuration, E(first 4+)/E(first 2+) ratio. Systematics of energies of the first 2+ and 4+ levels in 26,28,30,32,34,36Ne, 28,30,32,34,36,38Mg, 30,32,34,36,38,40Si. Systematics of cross sections of two-proton knockout reactions for residues of 26,28,30,32Ne. Comparison of experimental inclusive and exclusive reaction cross sections with shell-model and eikonal reaction dynamical calculations.
doi: 10.1103/PhysRevC.99.011302
2019SP02 Phys.Rev. C 99, 051304 (2019) M.Spieker, A.Gade, D.Weisshaar, B.A.Brown, J.A.Tostevin, B.Longfellow, P.Adrich, D.Bazin, M.A.Bentley, J.R.Brown, C.M.Campbell, C.Aa.Diget, B.Elman, T.Glasmacher, M.Hill, B.Pritychenko, A.Ratkiewicz, D.Rhodes One-proton and one-neutron knockout reactions from N = Z = 28 56Ni to the A = 55 mirror pair 55Co and 55Ni NUCLEAR REACTIONS 9Be(56Ni, 55Co), (56Ni, 55Ni), E=85.9 MeV/nucleon, [secondary 56Ni beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction, followed by separation using A1900 fragment separator]; measured Eγ, Iγ, partial σ, and parallel momentum distributions using SeGA array for γ detection, and S800 magnetic spectrograph for knockout residues at the NSCL-MSU facility. 55Co, 55Ni; deduced levels, J, π, mirror energy differences (MEDs) between 55Co and 55Ni, configurations. Comparison with large scale shell model calculations.
doi: 10.1103/PhysRevC.99.051304
2019SP06 Phys.Rev. C 100, 061303 (2019) M.Spieker, D.Weisshaar, A.Gade, B.A.Brown, P.Adrich, D.Bazin, M.A.Bentley, J.R.Brown, C.M.Campbell, C.Aa.Diget, B.Elman, T.Glasmacher, M.Hill, B.Longfellow, B.Pritychenko, A.Ratkiewicz, D.Rhodes, J.A.Tostevin Experimental identification of the T=1, Jπ=6+ state of 54Co and isospin symmetry in A=54 studied via one-nucleon knockout reactions NUCLEAR REACTIONS 9Be(55Co, 54Co), (55Co, 54Fe), E not given, [secondary 55Co beam from 9Be(58Ni, X), E=160 MeV/nucleon, followed by separation of 55Co using A1900 fragment separator at NSCL-MSU]; measured projectile-like reaction residues, Eγ, Iγ, (particle)γ-coin using the S800 spectrograph for particles and SeGA array for γ rays. 54Co, 54Fe; deduced levels, J, π, cross sections for population of levels. Comparison with large-scale-shell-model (LSSM) calculations; investigated possible isospin-symmetry breaking in the A=54, T=1 triplet through the isobaric mass multiplet equation (IMME).
doi: 10.1103/PhysRevC.100.061303
2019SW04 Phys.Rev. C 100, 034323 (2019) C.Sword, J.Brett, T.Baumann, B.A.Brown, N.Frank, J.Herman, M.D.Jones, H.Karrick, A.N.Kuchera, M.Thoennessen, J.A.Tostevin, M.Tuttle-Timm, P.A.DeYoung Observation of three-neutron sequential emission from 25O* NUCLEAR REACTIONS 2H(27Ne, 2p)25O*, E=101.3 MeV/nucleon, [secondary 27Ne beam mixed with other light nuclei from fragmentation of 140 MeV/nucleon 48Ca primary beam from the Coupled Cyclotron Facility, and separated by A1900 Fragment Separator at NSCL-MSU]; measured E(n), 22O fragments, (22O)n-coin, four-body (22O+3n), three-body (22O+2n), and two-body (22O+1n) ungated and gated decay-energy and hit-multiplicity spectra using the Modular Neutron Array (MoNA) and Large multi-Institutional Scintillator Array (LISA); deduced mass of 25O from the invariant of the sum of the energy-momentum four-vectors of an 22O fragment and the three associated neutrons emitted from the excited states of 25O. 25O; deduced neutron-unbound levels, resonances, decay via three-neutron sequential emission to levels in 24O, 23O and 22O. Comparison with shell-model and eikonal calculations for two-proton removal reaction from 27Ne. NUCLEAR STRUCTURE 23,24,25O; calculated levels using Gamow shell model with the density-matrix renormalization-group (GSM-DMRG) method, and a continuum shell model (CSM). Comparison with experimental data.
doi: 10.1103/PhysRevC.100.034323
2019VA07 Phys.Lett. B 795, 356 (2019) V.Vaquero, A.Jungclaus, J.L.Rodriguez-Sanchez, J.A.Tostevin, P.Doornenbal, K.Wimmer, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, A.Gargano, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya Inclusive cross sections for one- and multi-nucleon removal from Sn, Sb, and Te projectiles beyond the N=82 shell closure NUCLEAR REACTIONS C(136Te, n), (136Te, 2n), (136Te, 3n), (136Te, 4n), (136Te, 5n), (136Te, 6n), (134Sn, p), E=138-145 MeV/nucleon; measured reaction products; deduced σ. Comparison with two different versions of the Liege intranuclear cascade model (INCL).
doi: 10.1016/j.physletb.2019.06.035
2018DI09 Phys.Rev. C 98, 024306 (2018) D.A.Divaratne, C.R.Brune, H.N.Attanayake, T.Baumann, D.Bazin, A.Gade, S.M.Grimes, P.M.King, M.Thoennessen, J.A.Tostevin One- and two-neutron removal cross sections of 24O NUCLEAR REACTIONS 9Be(24O, 23O), (24O, 22O), E=92.3 MeV/nucleon, [secondary 24O beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction, and using A1900 fragment separator at NSCL-MSU]; measured reaction products using S800 magnetic spectrograph, time of flight, parallel momentum distributions, and inclusive σ for one- and two-neutron removals. 22,23O; deduced levels, J, π, spectroscopic factors. 24O; deduced spherical, doubly-magic structure. Comparison with eikonal reaction model plus shell model calculations using USD-B interaction and the sd model space.
doi: 10.1103/PhysRevC.98.024306
2018OR03 Phys.Lett. B 785, 615 (2018) R.Orlandi, S.D.Pain, S.Ahn, A.Jungclaus, K.T.Schmitt, D.W.Bardayan, W.N.Catford, R.Chapman, K.A.Chipps, J.A.Cizewski, C.G.Gross, M.E.Howard, K.L.Jones, R.L.Kozub, B.Manning, M.Matos, K.Nishio, P.D.O'Malley, W.A.Peters, S.T.Pittman, A.Ratkiewicz, C.Shand, J.F.Smith, M.S.Smith, T.Fukui, J.A.Tostevin, Y.Utsuno Neutron-hole states in 131Sn and spin-orbit splitting in neutron-rich nuclei NUCLEAR STRUCTURE 131,132,133Sn; analyzed available data; deduced spectroscopic factors, a significant reduction of the energy splitting of the weakly bound 3p orbits compared to the well-bound 2d orbits; calculated energy splitting using a one-body spin-orbit interaction and a Woods–Saxon potential of standard radius and diffuseness. NUCLEAR REACTIONS 2H(132Sn, t)131Sn, E ∼ 4.4 MeV/nucleon; measured reaction products; deduced σ(θ), orbital angular momentum, energy levels, J, π.
doi: 10.1016/j.physletb.2018.08.005
2017BA05 Phys.Rev. C 95, 024603 (2017) G.W.Bailey, N.K.Timofeyuk, J.A.Tostevin Nonlocal nucleon-nucleus interactions in (d, p) reactions: Role of the deuteron D state NUCLEAR REACTIONS 40Ca(d, p), E=10, 11.8 MeV; 28Si(d, p), E=10 MeV; 26Al(d, p), E=12 MeV; calculated σ(θ) using Chapel Hill 89 phenomenological local optical potential for two NN potential models: the central Hulthen potential with an s-state deuteron, and realistic AV18 potential with s- and d-states of deuteron; deduced spectroscopic factors for 7806-keV state in 26Al+d reaction, role of the deuteron state in (d, p) reactions. Nonlocal adiabatic model wave functions. Relevance to nuclear astrophysics and nuclear spectroscopic studies.
doi: 10.1103/PhysRevC.95.024603
2017CR03 Phys.Rev. C 95, 064317 (2017) H.L.Crawford, A.O.Macchiavelli, P.Fallon, M.Albers, V.M.Bader, D.Bazin, C.M.Campbell, R.M.Clark, M.Cromaz, J.Dilling, A.Gade, A.Gallant, J.D.Holt, R.V.F.Janssens, R.Krucken, C.Langer, T.Lauritsen, I.Y.Lee, J.Menendez, S.Noji, S.Paschalis, F.Recchia, J.Rissanen, A.Schwenk, M.Scott, J.Simonis, S.R.Stroberg, J.A.Tostevin, C.Walz, D.Weisshaar, A.Wiens, K.Wimmer, S.Zhu Unexpected distribution of ν1f7/2 strength in 49Ca NUCLEAR REACTIONS 9Be(48Ca, 47Ca), (50Ca, 49Ca), E not given, [secondary 48,50Ca beams from 9Be(82Se, X), E=140 MeV/nucleon primary reaction, and using A1900 fragment separator at NSCL-MSU]; measured reaction 1n-knockout products using S800 magnetic spectrograph, Eγ, Iγ, γγ-coin, γ(particle) correlated events, using GRETINA array for γ detection, σ(-1n), parallel momentum distributions. 47,49Ca; deduced levels, J, π, l-transfer, γ-ray yields by fitting the data with GEANT4 simulation, spectroscopic factors, configurations, spectroscopic strengths for the 1f7/2 neutron hole states. Comparison with shell-model calculations based on NN+3N force in ν(pf) model space, GXPF1 interaction, and NN+3N including the ν1g9/2 orbital.
doi: 10.1103/PhysRevC.95.064317
2017LI07 Phys.Lett. B 767, 58 (2017) H.N.Liu, J.Lee, P.Doornenbal, H.Scheit, S.Takeuchi, N.Aoi, K.A.Li, M.Matsushita, D.Steppenbeck, H.Wang, H.Baba, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, S.Michimasa, T.Motobayashi, A.Poves, H.Sakurai, M.Takechi, Y.Togano, J.A.Tostevin, Y.Utsuno Intruder configurations in the ground state of 30Ne NUCLEAR REACTIONS 12C(30Ne, 29Ne'), E=228 MeV/nucleon; measured reaction products, Eγ, Iγ. 29,30Ne; deduced σ and and spectroscopic factors, J, π. Comparison with SDPF-U-MIX shell model calculations.
doi: 10.1016/j.physletb.2017.01.052
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
2017SH42 Phys.Lett. B 773, 492 (2017) C.M.Shand, Zs.Podolyak, M.Gorska, P.Doornenbal, A.Obertelli, F.Nowacki, T.Otsuka, K.Sieja, J.A.Tostevin, Y.Tsunoda, G.Authelet, H.Baba, D.Calvet, A.Chateau, S.Chen, A.Corsi, A.Delbart, J.M.Gheller, A.Giganon, A.Gillibert, T.Isobe, V.Lapoux, M.Matsushita, S.Momiyama, T.Motobayashi, M.Niikura, H.Otsu, N.Paul, C.Peron, A.Peyaud, E.C.Pollacco, J.-Y.Rousse, H.Sakurai, C.Santamaria, M.Sasano, Y.Shiga, D.Steppenbeck, S.Takeuchi, R.Taniuchi, T.Uesaka, H.Wang, K.Yoneda, T.Ando, T.Arici, A.Blazhev, F.Browne, A.M.Bruce, R.J.Carroll, L.X.Chung, M.L.Cortes, M.Dewald, B.Ding, Zs.Dombradi, F.Flavigny, S.Franchoo, F.Giacoppo, A.Gottardo, K.Hadynska-Klek, A.Jungclaus, Z.Korkulu, S.Koyama, Y.Kubota, J.Lee, M.Lettmann, B.D.Linh, J.Liu, Z.Liu, C.Lizarazo, C.Louchart, R.Lozeva, K.Matsui, T.Miyazaki, K.Moschner, M.Nagamine, N.Nakatsuka, S.Nishimura, C.R.Nita, C.R.Nobs, L.Olivier, S.Ota, R.Orlandi, Z.Patel, P.H.Regan, M.Rudigier, E.Sahin, T.Saito, P.-A.Soderstrom, I.Stefan, T.Sumikama, D.Suzuki, Zs.Vajta, V.Vaquero, V.Werner, K.Wimmer, J.Wu, Z.Y.Xu Shell evolution beyond Z = 28 and N = 50: Spectroscopy of 81, 82, 83, 84Zn NUCLEAR REACTIONS H(82Ga, 2p)81Zn, (83Ga, 2p)82Zn, (84Ga, X)82Zn, (86Ga, X)83Zn, (85Ga, X)84Zn, E ∼ 270 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π; Comparison with Ni78-II, A3DA-m and PFSDG-U calculations.
doi: 10.1016/j.physletb.2017.09.001
2017ST22 Phys.Rev. C 96, 064310 (2017) D.Steppenbeck, S.Takeuchi, N.Aoi, P.Doornenbal, M.Matsushita, H.Wang, H.Baba, S.Go, J.D.Holt, J.Lee, K.Matsui, S.Michimasa, T.Motobayashi, D.Nishimura, T.Otsuka, H.Sakurai, Y.Shiga, P.-A.Soderstrom, S.R.Stroberg, T.Sumikama, R.Taniuchi, J.A.Tostevin, Y.Utsuno, J.J.Valiente-Dobon, K.Yoneda Structure of 55Sc and development of the N=34 subshell closure NUCLEAR REACTIONS 9Be(56Ti, 55Sc), (55Sc, 55Sc'), E=200 MeV/nucleon, ; [secondary 56Ti and 55Sc beams from primary 70Zn beam and using BigRIPS for fragment identification at RIBF-RIKEN facility]; measured Eγ, Iγ, γγ-coin using DALI2 array of scintillation detectors for γ radiation, and ZeroDegree spectrometer for reaction products. 55Sc; deduced levels. Comparison with large-scale shell-model calculations in sdpf model space, and with ab initio shell-model calculations from the in-medium similarity renormalization group. NUCLEAR STRUCTURE 55Sc; calculated levels, J, π, σ, spectroscopic factors for one-proton removal reaction; discussed configurations. Large-scale shell-model with SDPF-MUr effective interaction, and ab initio many-body method with the valence-space formulation of the in-medium similarity renormalization group (VS-IM-SRG). Comparison with experimental data, and proton-removal reaction treated with the eikonal model.
doi: 10.1103/PhysRevC.96.064310
2017VA09 Phys.Rev.Lett. 118, 202502 (2017) V.Vaquero, A.Jungclaus, P.Doornenbal, K.Wimmer, A.Gargano, J.A.Tostevin, S.Chen, E.Nacher, E.Sahin, Y.Shiga, D.Steppenbeck, R.Taniuchi, Z.Y.Xu, T.Ando, H.Baba, F.L.Bello Garrote, S.Franchoo, K.Hadynska-Klek, A.Kusoglu, J.Liu, T.Lokotko, S.Momiyama, T.Motobayashi, S.Nagamine, N.Nakatsuka, M.Niikura, R.Orlandi, T.Saito, H.Sakurai, P.A.Soderstrom, G.M.Tveten, Zs.Vajta, M.Yalcinkaya Gamma Decay of Unbound Neutron-Hole States in 133Sn NUCLEAR REACTIONS C(134Sn, X)133Sn, E=165 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced neutron removal σ, energy levels, J, π.
doi: 10.1103/PhysRevLett.118.202502
2016BA52 Phys.Rev.Lett. 117, 162502 (2016) G.W.Bailey, N.K.Timofeyuk, J.A.Tostevin Sensitivity of (d, p) Reactions to High n-p Momenta and the Consequences for Nuclear Spectroscopy Studies NUCLEAR REACTIONS 26Al(d, p), E=12 MeV; calculated σ(θ). Comparison with available data.
doi: 10.1103/PhysRevLett.117.162502
2016CE01 Phys.Rev. C 93, 021601 (2016) G.Cerizza, A.Ayres, K.L.Jones, R.Grzywacz, A.Bey, C.Bingham, L.Cartegni, D.Miller, S.Padgett, T.Baugher, D.Bazin, J.S.Berryman, A.Gade, S.McDaniel, A.Ratkiewicz, A.Shore, S.R.Stroberg, D.Weisshaar, K.Wimmer, R.Winkler, S.D.Pain, K.Y.Chae, J.A.Cizewski, M.E.Howard, J.A.Tostevin Structure of 107Sn studied through single-neutron knockout reactions NUCLEAR REACTIONS 9Be(108Sn, 107Sn), (106Sn, 105Sn), E=80 MeV/nucleon, [secondary 106,108Sn beams from 9Be(124Xe, X), E=140 MeV/nucleon primary reaction using A1900 separator at NSCL-MSU]; measured yields of reaction products, Eγ, Iγ, (107Sn)γ-coin, momentum distributions, cross sections using CAESAR array of 192 CsI(Na) crystals for γ rays and particle identification by TOF, ΔE-E measured in the S800 focal-plane ion chamber. 107Sn; deduced levels, J, π. Comparison of experimental momentum distribution with eikonal model reaction calculations for neutron removal. Shell-model calculations of cross sections and spectroscopic factors. 105Sn; see 2015Jo03 (reference 20 in present paper) for experimental results.
doi: 10.1103/PhysRevC.93.021601
2016GA07 Phys.Rev. C 93, 031601 (2016) A.Gade, J.A.Tostevin, V.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, D.J.Hartley, E.Lunderberg, F.Recchia, S.R.Stroberg, Y.Utsuno, D.Weisshaar, K.Wimmer One-neutron pickup into 49Ca: Bound neutron g9/2 spectroscopic strength at N=29 NUCLEAR REACTIONS 12C(48Ca, 49Ca), E=140 MeV/nucleon; measured Eγ, Iγ, (49Ca)γ-coin, γ(θ), neutron-pickup single-particle cross sections using A1900 fragment separator and GRETINA array at NSCL-MSU. Heavy-ion-induced neutron-pickup reaction. DWBA analysis. 49Ca; deduced levels, J, π, multipolarity, spectroscopic factors. Comparison with full sd+pf+sdg valence-space shell-model calculations.
doi: 10.1103/PhysRevC.93.031601
2016GA14 Phys.Rev. C 93, 054315 (2016) A.Gade, J.A.Tostevin, V.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.Aa.Diget, T.Glasmacher, D.J.Hartley, E.Lunderberg, S.R.Stroberg, F.Recchia, A.Ratkiewicz, D.Weisshaar, K.Wimmer Single-particle structure at N=29: The structure of 47Ar and first spectroscopy of 45S NUCLEAR REACTIONS 9Be(48K, 47Ar), E=87.5 MeV/nucleon; 12C(46Ar, 47Ar), E=67 MeV/nucleon; 9Be(46Cl, 45S), [secondary 48K, 46Ar and 46Cl beams from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction using A1900 fragment separator at NSCL-MSU]; measured particle identification spectra, Eγ, Iγ, γγ-coin using S800 spectrograph and SeGA array of 32-fold segmented HPGe detectors. 45S, 47Ar; deduced levels, J, π, σ. Detailed calculations for cross sections and spectroscopic factors using Eikonal dynamics for proton-removal, DWBA for neutron pickup, and SDPF-U and SDPF-MU shell-model interactions.
doi: 10.1103/PhysRevC.93.054315
2016KO05 Phys.Rev. C 93, 014613 (2016) N.Kobayashi, T.Nakamura, Y.Kondo, J.A.Tostevin, N.Aoi, H.Baba, R.Barthelemy, M.A.Famiano, N.Fukuda, N.Inabe, M.Ishihara, R.Kanungo, S.Kim, T.Kubo, G.S.Lee, H.S.Lee, M.Matsushita, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Sako, H.Sakurai, Y.Satou, T.Sumikama, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, K.Yoneda One-neutron removal from 29Ne : Defining the lower limits of the island of inversion NUCLEAR REACTIONS Pb(29Ne, 28Ne), E=244 MeV/nucleon; C(29Ne, 28Ne), E=240 MeV/nucleon, [secondary 29Ne produced in 9Be(48Ca, X), E=345 MeV/nucleon]; measured Eγ, Iγ, (28Ne)γ-coin, inclusive longitudinal momentum distribution, one-neutron removal cross sections for ground and excited states of 28Ne using BigRIPS separator and ZeroDegree spectrometer (ZDS) for particle detection and analysis, and DALI2 NaI array for γ detection at RIBF-RIKEN. 28Ne; deduced levels, J, π, Coulomb dissociation cross sections. 29Ne; deduced Jπ of ground state from longitudinal momentum distribution for 28Ne. Comparison with large-scale shell model calculations using the SDPF-M effective interaction. Systematics of low-lying states of 27,29,31Ne.
doi: 10.1103/PhysRevC.93.014613
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
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
2016RE20 Phys.Rev. C 94, 054324 (2016) F.Recchia, D.Weisshaar, A.Gade, J.A.Tostevin, R.V.F.Janssens, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.Chen, C.J.Chiara, H.L.Crawford, C.R.Hoffman, F.G.Kondev, A.Korichi, C.Langer, T.Lauritsen, S.N.Liddick, E.Lunderberg, S.Noji, C.Prokop, S.R.Stroberg, S.Suchyta, K.Wimmer, S.Zhu Neutron single-particle strengths at N=40, 42: Neutron knockout from 68, 70Ni ground and isomeric states NUCLEAR REACTIONS 9Be(68Ni, 67Ni), E=85 MeV/nucleon; 9Be(70Ni, 69Ni), E=74 MeV/nucleon, [secondary 68,70Ni beams from 9Be(82Se, X), E=140 MeV/nucleon, followed by separation of fragments using A1900 separator at NSCL-MSU]; measured particle spectra, Eγ, Iγ, one-neutron knockout σ for levels in the final nuclei, (67Ni or 69Ni)γ-coin, parallel momentum distributions, delayed γ from isomers using GRETINA array for γ detection and S800 spectrograph for particle analysis. 67,69Ni; measured levels, J, π, l-transfers. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.94.054324
2016TO10 Phys.Lett. B 761, 412 (2016) Y.Togano, T.Nakamura, Y.Kondo, J.A.Tostevin, A.T.Saito, J.Gibelin, N.A.Orr, N.L.Achouri, T.Aumann, H.Baba, F.Delaunay, P.Doornenbal, N.Fukuda, J.W.Hwang, N.Inabe, T.Isobe, D.Kameda, D.Kanno, S.Kim, N.Kobayashi, T.Kobayashi, T.Kubo, S.Leblond, J.Lee, F.M.Marques, R.Minakata, T.Motobayashi, D.Murai, T.Murakami, K.Muto, T.Nakashima, N.Nakatsuka, A.Navin, S.Nishi, S.Ogoshi, H.Otsu, H.Sato, Y.Satou, Y.Shimizu, H.Suzuki, K.Takahashi, H.Takeda, S.Takeuchi, R.Tanaka, A.G.Tuff, M.Vandebrouck, K.Yoneda Interaction cross section study of the two-neutron halo nucleus 22C NUCLEAR REACTIONS C(19C, X), E=307 MeV/nucleon; C(20C, X), E=280 MeV/nucleon; C(22C, X), E=235 MeV/nucleon; measured reaction products, Eγ, Iγ. 19,20,22C; deduced σ, rms matter radii. A four-body Glauber reaction model.
doi: 10.1016/j.physletb.2016.08.062
2015JO03 Acta Phys.Pol. B46, 537 (2015) K.L.Jones, S.Ahn, J.M.Allmond, A.Ayres, D.W.Bardayan, T.Baugher, D.Bazin, J.S.Berryman, A.Bey, C.Bingham, L.Cartegni, G.Cerizza, K.Y.Chae, J.A.Cizewski, A.Gade, A.Galindo-Uribarri, R.F.Garcia Ruiz, R.Grzywacz, M.E.Howard, R.L.Kozub, J.F.Liang, B.Manning, M.MatoS, S.McDaniel, D.Miller, C.D.Nesaraja, P.D.O'Malley, S.Padgett, E.Padilla-Rodal, S.D.Pain, S.T.Pittman, D.C.Radford, A.Ratkiewicz, K.T.Schmitt, A.Shore, M.S.Smith, D.W.Stracener, S.R.Stroberg, J.Tostevin, R.L.Varner, D.Weisshaar, K.Wimmer, R.Winkler Recent Direct Reaction Experimental Studies with Radioactive Tin Beams
doi: 10.5506/APhysPolB.46.537
2015MA44 Phys.Rev.Lett. 115, 062701 (2015) V.Margerin, G.Lotay, P.J.Woods, M.Aliotta, G.Christian, B.Davids, T.Davinson, D.T.Doherty, J.Fallis, D.Howell, O.S.Kirsebom, D.J.Mountford, A.Rojas, C.Ruiz, J.A.Tostevin Inverse Kinematic Study of the 26gAl(d, p)27Al Reaction and Implications for Destruction of 26Al in Wolf-Rayet and Asymptotic Giant Branch Stars NUCLEAR REACTIONS 2H(26Al, p), E<500 MeV; measured reaction products; deduced energy levels, J, π. spectroscopic factor, astrophysical reaction rates. Comparison with available data.
doi: 10.1103/PhysRevLett.115.062701
2015ST06 Phys.Rev. C 91, 041302 (2015) S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, T.Otsuka, F.Recchia, C.Walz, D.Weisshaar, S.Williams Neutron single-particle strength in silicon isotopes: Constraining the driving forces of shell evolution NUCLEAR REACTIONS 9Be(36Si, 35Si), E=100 MeV/nucleon; 9Be(38Si, 37Si), E=95 MeV/nucleon; 9Be(40Si, 39Si), E=85 MeV/nucleon, [secondary 36,38,40Si beams from fragmentation of 48Ca]; measured Eγ, Iγ, γγ-coin using GRETINA array at NSCL-MSU facility; deduced momentum distributions and partial cross sections of the residual nuclei following one-neutron knockout reactions. 35,37,39Si; deduced levels, intruder states, J, π, half-life of a level in 39Si. Comparison with shell-model calculations with SDPF-U and SDPF-MU interactions.
doi: 10.1103/PhysRevC.91.041302
2014BE14 Nucl.Data Sheets 118, 295 (2014) Calculations of Compound Nucleus Spin-parity Distributions Populated via the (p, t) Reaction in Support of Surrogate Reaction Measurements NUCLEAR STRUCTURE 90Zr; calculated levels, J, π, level density, level width. Level density compared with data from (p, t) reaction. NUCLEAR REACTIONS 92Zr(p, t), E=28.5 MeV. 90Zr calculated levels, J, π, level density, level width for surrogate reactions using DWBA transfer code TWOFNR. Level density compared with data.
doi: 10.1016/j.nds.2014.04.062
2014CR02 Phys.Rev. C 89, 041303 (2014) H.L.Crawford, P.Fallon, A.O.Macchiavelli, R.M.Clark, B.A.Brown, J.A.Tostevin, D.Bazin, N.Aoi, P.Doornenbal, M.Matsushita, H.Scheit, D.Steppenbeck, S.Takeuchi, H.Baba, C.M.Campbell, M.Cromaz, E.Ideguchi, N.Kobayashi, Y.Kondo, G.Lee, I.Y.Lee, J.Lee, K.Li, S.Michimasa, T.Motobayashi, T.Nakamura, S.Ota, S.Paschalis, M.Petri, T.Sako, H.Sakurai, S.Shimoura, M.Takechi, Y.Togano, H.Wang, K.Yoneda Shell and shape evolution at N = 28: The 40Mg ground state NUCLEAR REACTIONS C(42Si, 40Mg), [42Si secondary beam from 9Be(48Ca, X), E=345 MeV/nucleon], E=238 MeV/nucleon; measured reaction products, inclusive σ for the production of 40Mg through two-proton knockout using BigRIPS and ZDS spectrometers at RIBF-RIKEN facility. 40Mg; deduced σ for ground state; calculated levels, J, π, σ, probabilities of the prolate contributions in 42Si and 40Mg ground-state wave functions using SDPF-MU and SDPFU-Si shell-models with eikonal reaction theory.
doi: 10.1103/PhysRevC.89.041303
2014GA07 Phys.Rev.Lett. 112, 112503 (2014) A.Gade, R.V.F.Janssens, D.Weisshaar, B.A.Brown, E.Lunderberg, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, M.P.Carpenter, C.J.Chiara, H.L.Crawford, M.Cromaz, U.Garg, C.R.Hoffman, F.G.Kondev, C.Langer, T.Lauritsen, I.Y.Lee, S.M.Lenzi, J.T.Matta, F.Nowacki, F.Recchia, K.Sieja, S.R.Stroberg, J.A.Tostevin, S.J.Williams, K.Wimmer, S.Zhu Nuclear Structure Towards N=40 60Ca: In-Beam γ-Ray Spectroscopy of 58, 60Ti NUCLEAR REACTIONS Be(61V, X)58Ti/60Ti, E=90 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, partial σ. Comparison with calculations using GXPF1A and LNPS spectroscopic factors, GRETINA at MSU.
doi: 10.1103/PhysRevLett.112.112503
2014KO14 Phys.Rev.Lett. 112, 242501 (2014) N.Kobayashi, T.Nakamura, Y.Kondo, J.A.Tostevin, Y.Utsuno, N.Aoi, H.Baba, R.Barthelemy, M.A.Famiano, N.Fukuda, N.Inabe, M.Ishihara, R.Kanungo, S.Kim, T.Kubo, G.S.Lee, H.S.Lee, M.Matsushita, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Otsuka, T.Sako, H.Sakurai, Y.Satou, T.Sumikama, H.Takeda, S.Takeuchi, R.Tanaka, Y.Togano, K.Yoneda Observation of a p-Wave One-Neutron Halo Configuration in 37Mg NUCLEAR REACTIONS C, Pb(37Mg, 36Mg'), E=240-244 MeV/nucleon; measured reaction products, Eγ, Iγ. 36,37Mg; deduced 1-n removal σ, spectroscopic factors, neutron separation energy, J, π. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.112.242501
2014KU05 Phys.Rev. C 89, 034607 (2014) Intermediate-energy four-body breakup calculations for 22C NUCLEAR REACTIONS 12C(22C, X), E=300 MeV/nucleon; calculated reaction σ, point-nucleon matter rms radii, three-body binding energy, n+20C 2s1/2 virtual state scattering length. Four-body (three-body projectile plus target) reaction model calculations using fast adiabatic approximation with and without eikonal approximation for Borromean 20C+n+n three-body interpretation for 22C. Comparison with Glauber few-body model calculations, and with experimental data.
doi: 10.1103/PhysRevC.89.034607
2014NA10 Phys.Rev.Lett. 112, 142501 (2014) T.Nakamura, N.Kobayashi, Y.Kondo, Y.Satou, J.A.Tostevin, Y.Utsuno, N.Aoi, H.Baba, N.Fukuda, J.Gibelin, N.Inabe, M.Ishihara, D.Kameda, T.Kubo, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, T.Otsuka, H.Sakurai, T.Sumikama, H.Takeda, E.Takeshita, M.Takechi, S.Takeuchi, Y.Togano, K.Yoneda Deformation-Driven p-Wave Halos at the Drip Line: 31Ne NUCLEAR REACTIONS C, Pb(31Ne, n)30Ne, E=230, 234 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial and inclusive n-removal σ, parallel momentum distributions, neutron halo. Comparison with eikonal calculations.
doi: 10.1103/PhysRevLett.112.142501
2014ST18 Phys.Rev. C 90, 034301 (2014) S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, F.Recchia, C.Walz, D.Weisshaar, S.J.Williams Single-particle structure of silicon isotopes approaching 42Si NUCLEAR REACTIONS 9Be(36Si, 35Si), (36Si, 35Al), E=97.7 MeV/nucleon; 9Be(38Si, 37Si), (38Si, 37Al), E=86 MeV/nucleon; 9Be(40Si, 39Si), (40Si, 39Al), E=79 MeV/nucleon, [secondary beams of 36,38,40Si produced in 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Doppler-shifted γ-ray spectra, Eγ, Iγ, γγ-, (residue)γ-coin, (36Si)γ-coin using GRETINA array for γ detection and ionization chamber and plastic scintillators in the focal plane of S800 spectrograph at NSCL-MSU facility. 35,37,39Al, 35,37,39Si; deduced levels, J, π, parallel momentum distributions, l-values. 36,38,40Si; one-neutron and one-proton total and partial knockout σ, single-particle structure, and enhanced collectivity in the region of 42Si. Eikonal model analysis of parallel momentum distributions. Comparison with large-scale shell model calculations. NUCLEAR STRUCTURE 35,37,39Al, 35,37,39Si; calculated levels, J, π using large-scale shell model with SDPF-U and SDPF-MU interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.034301
2014TO14 Phys.Rev. C 90, 057602 (2014) Systematics of intermediate-energy single-nucleon removal cross sections NUCLEAR REACTIONS 9Be, 12C(9Li, 8Li), (10Be, 9Be), (10C, 9C), (12C, 11C), (15C, 14C), (19C, 18C), (20C, 19C), (16O, 15O), (22Mg, 21Mg), (24Si, 23Si), (28Si, 27Si), (36Si, 35Si), (38Si, 37Si), (40Si, 39Si), (32Ar, 31Ar), (34Ar, 33Ar), (46Ar, 45Ar), (36Ca, 35Ca), (57Ni, 56Ni), (8B, 7Be), (9C, 8B), (10Be, 9Li), (12C, 11B), (19C, 18B), (14O, 13N), (16O, 15N), (24Si, 23Al), (28Mg, 27Na), (28S, 27P), (30Si, 29Al), (36Si, 35Al), (38Si, 37Al), (40Si, 39Al), (36Ca, 35K), E not given; 7Li, 12C, 16O, 30Si, 31P, 40,48Ca, 51V, 90Zr, 208Pb(e, e'p), E not given; analyzed one-neutron, one-proton-removal and one-proton knockout cross sections and compared to theoretical calculations based on reaction dynamics and shell-model descriptions. Discussed eikonal dynamical description.
doi: 10.1103/PhysRevC.90.057602
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
2014WI07 Phys.Rev. C 90, 064615 (2014) K.Wimmer, D.Bazin, A.Gade, J.A.Tostevin, T.Baugher, Z.Chajecki, D.Coupland, M.A.Famiano, T.K.Ghosh, G.F.Grinyer, M.E.Howard, M.Kilburn, W.G.Lynch, B.Manning, K.Meierbachtol, P.Quarterman, A.Ratkiewicz, A.Sanetullaev, R.H.Showalter, S.R.Stroberg, M.B.Tsang, D.Weisshaar, J.Winkelbauer, R.Winkler, M.Youngs Elastic breakup cross sections of well-bound nucleons NUCLEAR REACTIONS 9Be(28Mg, 27Na), E=93 MeV/nucleon, [28Mg secondary beam from 9Be(40ar, X), E=140 MeV/nucleon primary reaction]; measured fragment spectra, (light charged particles)fragment-coin using A1900 fragment separator, S800 magnetic spectrograph and high-resolution array HiRA at NSCL-MSU facility; deduced missing-mass spectra of the one-proton removal reaction residues 7Be, 8B and 27Na, and percentage contributions to proton removal cross section from the elastic and inelastic nucleon removal mechanisms. Comparison of experimental breakup fractions with eikonal reaction model predictions, and previous experimental results.
doi: 10.1103/PhysRevC.90.064615
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
2013PA20 Phys.Rev. C 87, 064613 (2013) D.Y.Pang, N.K.Timofeyuk, R.C.Johnson, J.A.Tostevin Rapid convergence of the Weinberg expansion of the deuteron stripping amplitude NUCLEAR REACTIONS 132Sn(d, p), E=30, 100 MeV; calculated σ(θ) using Weinberg distorted wave components. Weinberg states expansion method. Comparison with continuum discretized coupled channels (CDCC) calculations.
doi: 10.1103/PhysRevC.87.064613
2013TO02 Phys.Rev. C 87, 027601 (2013) J.A.Tostevin, B.A.Brown, E.C.Simpson Two-proton removal from 44S and the structure of 42Si NUCLEAR STRUCTURE 42Si; calculated levels, J, π, two-proton removal two nucleon amplitudes (TNA), partial cross section, exclusive and inclusive longitudinal momentum distributions using shell model with SDPF-MU, SDPF-U-SI, SDPF-U interactions. Discussed the results in the context of a recent experimental 2p-removal reaction study.
doi: 10.1103/PhysRevC.87.027601
2012GR13 Phys.Rev. C 86, 024315 (2012) G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, A.Obertelli, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa Systematic study of p-shell nuclei via single-nucleon knockout reactions NUCLEAR REACTIONS 9Be(7Li, p), (9Li, n), (10Be, p), (10Be, n), E=80 MeV/nucleon; 9Be(7Li, n), (10C, n), (10Be, n), E=120 MeV/nucleon; 9Be(9C, p), E=100 MeV/nucleon; C(9Li, n), E=80 MeV/nucleon; C(10C, n), E=120 MeV/nucleon; measured energy loss, time of flight, longitudinal-momentum distribution, nondispersive and dispersive angular plots, inclusive σ in single-nucleon knockout reactions at NSCL facility. Secondary beams of 9Be, 9Li, 10Be, 9,10C from 9Be(16O, X), E=150 MeV primary reaction. Comparison with shell-model calculations with Hartree-Fock structure inputs, and with variational Monte Carlo (VMC) calculations.
doi: 10.1103/PhysRevC.86.024315
2012KO38 Phys.Rev. C 86, 054604 (2012) N.Kobayashi, T.Nakamura, J.A.Tostevin, Y.Kondo, N.Aoi, H.Baba, S.Deguchi, J.Gibelin, M.Ishihara, Y.Kawada, T.Kubo, T.Motobayashi, T.Ohnishi, N.A.Orr, H.Otsu, H.Sakurai, Y.Satou, E.C.Simpson, T.Sumikama, H.Takeda, M.Takechi, S.Takeuchi, K.N.Tanaka, N.Tanaka, Y.Togano, K.Yoneda One- and two-neutron removal reactions from the most neutron-rich carbon isotopes NUCLEAR REACTIONS C(19C, 18C), (20C, 19C), (20C, 18C), (22C, 21C), (22C, 20C), [19,20,22C secondary beams from 9Be(48Ca, X), E=345 MeV/nucleon primary reaction], E=240 MeV/nucleon; measured particle spectra, time of flight, energy loss, magnetic rigidity, parallel momentum distributions, one- and two-neutron removal inclusive cross sections using BigRIPS and zero-degree spectrometer (ZDS) at RIBF, RIKEN facility. 18,19,20,21C; calculated levels, J, π, L-transfers, spectroscopic factors, σ using shell-model. Eikonal-model calculations combined with shell-model structure information. 22C; deduced two neutron halo nucleus with a dominant νs1/22 ground-state configuration.
doi: 10.1103/PhysRevC.86.054604
2012KU37 J.Phys.:Conf.Ser. 381, 012109 (2012) Three-body-model calculations for 22C NUCLEAR REACTIONS 12C(22C, X), E=300 MeV/nucleon; calculated σ using different three-body model wave functions. NUCLEAR STRUCTURE 22C; calculated ground-state wavefunction using three-body model code EFADDY. Discussed four-body model.
doi: 10.1088/1742-6596/381/1/012109
2012MC01 Phys.Rev. C 85, 014610 (2012) S.McDaniel, A.Gade, J.A.Tostevin, T.Baugher, D.Bazin, B.A.Brown, J.M.Cook, T.Glasmacher, G.F.Grinyer, A.Ratkiewicz, D.Weisshaar Intermediate-energy inverse-kinematics one-proton pickup reactions on neutron-deficient fp-shell nuclei NUCLEAR REACTIONS 12C, 9Be(48Cr, 49Mn), [48Cr secondary beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction], E=56.7 MeV/nucleon; 12C, 9Be(50Fe, 51Co), [50Fe secondary beam from 9Be(58Ni, X), E=160 MeV/nucleon primary reaction], E=61.2 MeV/nucleon; measured particle spectra, energy loss, time of flight, Eγ, Iγ, (particle)γ-coin using S-800 spectrometer and SeGA array at NSCL facility; deduced parallel momentum distributions, partial and inclusive cross sections. One-proton transfer reactions. DWBA analysis. 49Mn, 51Co; calculated proton configurations, spectroscopic factors, single-particle cross sections. Shell model calculations in fp shell.
doi: 10.1103/PhysRevC.85.014610
2012PE11 Phys.Rev. C 86, 019802 (2012) W.A.Peters, T.Baumann, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, K.L.Jones, J.-L.Lecouey, B.Luther, G.F.Peaslee, W.F.Rogers, M.Thoennessen, J.A.Tostevin Reply to "Comment on 'Neutron knockout of 12Be populating neutron-unbound states in 11Be'" NUCLEAR STRUCTURE 11Be; reanalyzed decay energy curves, level, J, π, branching ratios for 9Be(12Be, n)11Be experiment in 2011Pe13, and in reply to 2012Fo21 comment.
doi: 10.1103/PhysRevC.86.019802
2012RI08 Phys.Rev. C 86, 047301 (2012) L.A.Riley, P.Adrich, N.Ahsan, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, T.Glasmacher, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, J.A.Tostevin, A.Volya, D.Weisshaar γ-ray spectroscopy of one-proton knockout from 45Cl NUCLEAR REACTIONS 9Be(45Cl, 44S), [45Cl secondary beam from 9Be(48Ca, X), E=145 MeV/nucleon primary reaction], E=99.6 MeV/nucleon; measured Eγ, Iγ, particle spectra, (particle)γ-coin, inclusive parallel momentum distribution, partial one-proton knockout σ using SeGA array at NSCL. 44S; deduced levels, J, π, partial knockout cross sections, branching ratios. Eikonal-model analysis. Comparison with shell model calculations, and with previous experimental studies.
doi: 10.1103/PhysRevC.86.047301
2012SC18 Eur.Phys.J. A 48, 191 (2012) S.Schwertel, P.Maierbeck, R.Krucken, R.Gernhauser, T.Kroll, H.Alvarez-Pol, F.Aksouh, T.Aumann, K.Behr, E.A.Benjamim, J.Benlliure, V.Bildstein, M.Bohmer, K.Boretzky, M.J.G.Borge, A.Brunle, A.Burger, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, J.Enders, K.Eppinger, T.Faestermann, J.Friese, L.Fabbietti, M.Gascon, H.Geissel, J.Gerl, M.Gorska, P.G.Hansen, B.Jonson, R.Kanungo, O.Kiselev, I.Kojouharov, A.Klimkiewicz, T.Kurtukian, N.Kurz, K.Larsson, T.Le Bleis, K.Mahata, L.Maier, T.Nilsson, C.Nociforo, G.Nyman, C.Pascual-Izarra, A.Perea, D.Perez, A.Prochazka, C.Rodriguez-Tajes, D.Rossi, H.Schaffner, G.Schrieder, H.Simon, B.Sitar, M.Stanoiu, K.Summerer, O.Tengblad, H.Weick, S.Winkler, B.A.Brown, T.Otsuka, J.A.Tostevin, W.D.M.Rae One-neutron knockout from 51-55Sc NUCLEAR REACTIONS 9Be(55Sc, 54Sc), (54Sc, 53Sc), (53Sc, 52Sc), (52Sc, 51Sc), (51Sc, 50Sc), E≈420 MeV/nucleon; measured relativistic reaction products, Eγ, Iγ; deduced longitudinal momentum distribution, σ; calculated σ.
doi: 10.1140/epja/i2012-12191-5
2012SH21 Phys.Rev. C 85, 064612 (2012) R.Shane, R.J.Charity, L.G.Sobotka, D.Bazin, B.A.Brown, A.Gade, G.F.Grinyer, S.McDaniel, A.Ratkiewicz, D.Weisshaar, A.Bonaccorso, J.A.Tostevin Proton and neutron knockout from 36Ca NUCLEAR REACTIONS 9Be(36Ca, 35K), (36Ca, 35Ca), [36Ca secondary beam from 9Be(40Ca, X), E=140 MeV/nucleon primary reaction], E=70 MeV/nucleon; measured Eγ, particle spectra, time-of-flight, energy loss, cross sections, longitudinal-momentum distributions. 35K, 35Ca; deduced spectroscopic factors, orbital angular momenta of removed nucleons; calculated S matrices, bound-state wave-functions. Eikonal reaction theory, dispersive optical model (DOM) extrapolations. Shell-model spectroscopic factors from USD, USDA, and USDB interactions. 9Be(36Ca, X)33Ar, [33Ar from decay of unbound states in 35Ca], E=70 MeV/nucleon; measured σ; deduced missing spectroscopic strength.
doi: 10.1103/PhysRevC.85.064612
2012SI19 Phys.Rev. C 86, 054603 (2012) Projectile deformation effects on single-nucleon removal reactions
doi: 10.1103/PhysRevC.86.054603
2012SI20 Phys.Rev. C 86, 054609 (2012) E.C.Simpson, P.Navratil, R.Roth, J.A.Tostevin Microscopic two-nucleon overlaps and knockout reactions from 12C NUCLEAR REACTIONS 12C(12C, 10C), (12C, 10B), (12C, 10Be), E=250, 1050, 2100 MeV/nucleon; calculated inclusive and exclusive cross sections for two-nucleon (2n, np, 2p) knockout reactions, FWHM momentum distribution. No-core shell-model (NCSM) calculations. Comparison with experimental data. NUCLEAR STRUCTURE 10B; calculated levels, J, π, isospin. No-core shell-model (NCSM) calculations with different interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.86.054609
2012TO12 Prog.Theor.Phys.(Kyoto), Suppl. 196, 275 (2012) Direct Reaction Probes of Single-Particle States and Correlations
doi: 10.1143/PTPS.196.275
2012TO15 J.Phys.:Conf.Ser. 381, 012007 (2012) Probing the states of nucleons in exotic nuclei
doi: 10.1088/1742-6596/381/1/012007
2012WI06 Phys.Rev. C 85, 051603 (2012) K.Wimmer, D.Bazin, A.Gade, J.A.Tostevin, T.Baugher, Z.Chajecki, D.Coupland, M.A.Famiano, T.K.Ghosh, G.F.Grinyer, R.Hodges, M.E.Howard, M.Kilburn, W.G.Lynch, B.Manning, K.Meierbachtol, P.Quarterman, A.Ratkiewicz, A.Sanetullaev, S.R.Stroberg, M.B.Tsang, D.Weisshaar, J.Winkelbauer, R.Winkler, M.Youngs Probing elastic and inelastic breakup contributions to intermediate-energy two-proton removal reactions NUCLEAR REACTIONS 9Be(28Mg, 26Ne), [28Mg secondary beam from 9Be(40Ar, X), E=140 MeV/nucleon primary reaction], E=93 MeV/nucleon; measured particle spectra, energy loss, time of flight, (26Ne)(particle)(particle)-coin, relative cross sections, σ(θ), relative and absolute yields using Coupled Cyclotron facility at NSCL; deduced missing mass spectrum for 26Ne and two proton coincidence events. Importance of stripping, diffraction-stripping, and diffraction two-proton removal mechanisms. Comparison with predictions of reaction model based on eikonal dynamics, and sd-shell structure amplitudes.
doi: 10.1103/PhysRevC.85.051603
2012WI10 Phys.Rev.Lett. 109, 202505 (2012) K.Wimmer, D.Bazin, A.Gade, J.A.Tostevin, T.Baugher, Z.Chajecki, D.Coupland, M.A.Famiano, T.K.Ghosh, G.F.Grinyer, R.Hodges, M.E.Howard, M.Kilburn, W.G.Lynch, B.Manning, K.Meierbachtol, P.Quarterman, A.Ratkiewicz, A.Sanetullaev, E.C.Simpson, S.R.Stroberg, M.B.Tsang, D.Weisshaar, J.Winkelbauer, R.Winkler, M.Youngs Correlations in Intermediate Energy Two-Proton Removal Reactions NUCLEAR REACTIONS 9Be(28Mg, X)26Ne, E=93 MeV/nucleon; measured reaction products; deduced σ(E), σ(θ, E), Dalitz plots. Comparison with calculations and available data.
doi: 10.1103/PhysRevLett.109.202505
2011FR13 Phys.Rev. C 84, 037302 (2011) N.Frank, D.Albertson, J.Bailey, T.Baumann, D.Bazin, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, A.Gade, J.Hinnefeld, R.Howes, M.Kasperczyk, B.Luther, W.A.Peters, A.Schiller, A.Smith, M.Thoennessen, J.A.Tostevin Neutron-unbound states in 25, 26F NUCLEAR REACTIONS 9Be(26Ne, 25F), (26Ne, 26F), E=86 MeV/nucleon; measured E(n), I(n) at NSCL. 25,26F; deduced levels, J, π, widths, resonances. 25F; calculated levels, J, π using shell-model.
doi: 10.1103/PhysRevC.84.037302
2011GA18 Phys.Rev. C 83, 054324 (2011) A.Gade, J.A.Tostevin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, T.Glasmacher, G.F.Grinyer, S.McDaniel, K.Meierbachtol, A.Ratkiewicz, S.R.Stroberg, K.A.Walsh, D.Weisshaar, R.Winkler Inverse-kinematics one-neutron pickup with fast rare-isotope beams NUCLEAR REACTIONS 9Be, 12C(22Mg, 23Mg), E=84 MeV/nucleon; measured Eγ, Iγ, particle spectra, γγ-, (particle)γ-coin using SeGA array, momentum distributions, angular distribution. 23Mg; deduced levels, J, π, configuration, cross sections. Single-neutron pickup reactions. CCBA analysis for the reaction mechanism. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.83.054324
2011GR08 Phys.Rev.Lett. 106, 162502 (2011) G.F.Grinyer, D.Bazin, A.Gade, J.A.Tostevin, P.Adrich, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, T.Glasmacher, S.McDaniel, P.Navratil, A.Obertelli, S.Quaglioni, K.Siwek, J.R.Terry, D.Weisshaar, R.B.Wiringa Knockout Reactions from p-Shell Nuclei: Tests of Ab Initio Structure Models NUCLEAR REACTIONS Be(10Be, n)9Be, Be(10C, n)9C, C(10C, n)9C, E=80, 120 MeV/nucleon; measured reaction products. 10Be, 10C; deduced σ, three-body forces. Variational Monte Carlo, no core shell model ab initio calculations.
doi: 10.1103/PhysRevLett.106.162502
2011PE13 Phys.Rev. C 83, 057304 (2011) W.A.Peters, T.Baumann, B.A.Brown, J.Brown, P.A.DeYoung, J.E.Finck, N.Frank, K.L.Jones, J.-L.Lecouey, B.Luther, G.F.Peaslee, W.F.Rogers, A.Schiller, M.Thoennessen, J.A.Tostevin, K.Yoneda Neutron knockout of 12Be populating neutron-unbound states in 11Be NUCLEAR REACTIONS 9Be(12Be, n), E=90 MeV/nucleon, [12Be secondary beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured E(n), I(n) by TOF using MONA array, n(10Be) coin. 11Be; deduced levels, J, π, resonances, σ, spectroscopic factor. 10Be; deduced levels from neutron decay of unbound resonances. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.83.057304
2011SA25 Phys.Rev. C 83, 061305 (2011) D.Santiago-Gonzalez, I.Wiedenhover, V.Abramkina, M.L.Avila, T.Baugher, D.Bazin, B.A.Brown, P.D.Cottle, A.Gade, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Rojas, A.Ratkiewicz, R.Meharchand, E.C.Simpson, J.A.Tostevin, A.Volya, D.Weisshaar Triple configuration coexistence in 44S NUCLEAR REACTIONS 9Be(46Ar, 2p), [46Ar secondary beam produced in Be(48Ca, X), E=140 MeV/nucleon primary reaction], E=99.9 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin using SeGA array, cross sections. 44S; deduced levels, J, π, longitudinal momentum distributions, and configurations. Two-proton knockout reaction. Comparison with shell-model calculations using the SDPF-U interaction.
doi: 10.1103/PhysRevC.83.061305
2011SI01 Phys.Rev. C 83, 014605 (2011) Two-nucleon correlation effects in knockout reactions from 12C NUCLEAR REACTIONS C(12C, p)11B, E=2100 MeV/nucleon; C(12C, n)11C, E=2100 MeV/nucleon; C(12C, 2p)10Be, E=250, 1050, 2100 MeV/nucleon; C(12C, pn)10B, E=250, 1050, 2100 MeV/nucleon; C(12C, 2n)10C, E=250, 1050, 2100 MeV/nucleon; calculated single-nucleon and double-nucleon knockout σ and spectroscopic factors to ground states and γ-decaying excited states, residue momentum distribution widths. Eikonal reaction dynamics in the isospin formalism with the nucleon- and residue-target S matrices calculated in the optical limit of Glauber theory. 10Be, 10B, 10C; discussed levels, J, π. Comparison with experimental data.
doi: 10.1103/PhysRevC.83.014605
2011SP01 Phys.Rev. C 84, 044309 (2011) A.Spyrou, J.K.Smith, T.Baumann, B.A.Brown, J.Brown, G.Christian, P.A.DeYoung, N.Frank, S.Mosby, W.A.Peters, A.Schiller, M.J.Strongman, M.Thoennessen, J.A.Tostevin Search for the 15Be ground state NUCLEAR REACTIONS 9Be(17C, 2p), E=55 MeV/nucleon, [17C secondary beam from 9Be(22Ne, X) primary reaction]; measured energy loss, time of flight, magnetic rigidity, Be fragment spectra and (Be)(n)-coin. 15Be; deduced g.s., J, π, decay mode, unbound energy. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.84.044309
2010FA04 Phys.Rev. C 81, 041302 (2010) P.Fallon, E.Rodriguez-Vieitez, A.O.Macchiavelli, A.Gade, J.A.Tostevin, P.Adrich, D.Bazin, M.Bowen, C.M.Campbell, R.M.Clark, J.M.Cook, M.Cromaz, D.C.Dinca, T.Glasmacher, I.Y.Lee, S.McDaniel, W.F.Mueller, S.G.Prussin, A.Ratkiewicz, K.Siwek, J.R.Terry, D.Weisshaar, M.Wiedeking, K.Yoneda, B.A.Brown, T.Otsuka, Y.Utsuno Two-proton knockout from 32Mg: Intruder amplitudes in 30Ne and implications for the binding of 29, 31F NUCLEAR REACTIONS 9Be(32Mg, 30Ne), E=86.7, 99.7 MeV/nucleon; measured Eγ, Iγ, and σ using SeGA array. 32Mg beam from 9Be(48Ca, X), E=140 MeV/nucleon. 30Ne; deduced levels, J, π, intruder configuration. 29,31F; discussed implications for binding energies. 32Mg; deduced configuration. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevC.81.041302
2010GA14 Phys.Rev. C 81, 064326 (2010) A.Gade, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, T.Glasmacher, G.F.Grinyer, M.Honma, S.McDaniel, R.Meharchand, T.Otsuka, A.Ratkiewicz, J.A.Tostevin, K.A.Walsh, D.Weisshaar Collectivity at N=50: 82Ge and 84Se NUCLEAR REACTIONS 197Au(82Ge, 82Ge'), E=89.4 MeV/nucleon; 197Au(84Se, 84Se'), E=95.4 MeV/nucleon; 9Be(82Ge, 82Ge'), E=87.6 MeV/nucleon; 9Be(84Se, 84Se'), E=92 MeV/nucleon, [82Ge and 84Se secondary beams from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, σ, (particle)γ-coin; 82Ge, 84Se; deduced levels, J, B(E2), T1/2. Intermediate energy Coulomb excitation and inelastic scattering. Comparison with systematics of B(E2) values for first 2+ state in N=50 isotones for Z(even)=30-42 and even-even Ge (A=64-82) and Se (A=68-84) isotopes, and with shell-model calculations. Systematics of first 3- states in even-even Se (A=74-82) and N=50 isotones.
doi: 10.1103/PhysRevC.81.064326
2010MC01 Phys.Rev. C 81, 024301 (2010) S.McDaniel, A.Gade, R.V.F.Janssens, D.Bazin, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, S.J.Freeman, T.Glasmacher, P.G.Hansen, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu Population of positive-parity states in 53Sc through one-proton knockout NUCLEAR REACTIONS 9Be(54Ti, 53Sc), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin using SeGA array, σ, and parallel momentum distributions in one-proton knockout reaction. 53Sc; deduced levels, J, π and configurations. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.81.024301
2010RE05 Phys.Rev. C 81, 067303 (2010) R.R.Reynolds, P.D.Cottle, A.Gade, D.Bazin, C.M.Campbell, J.M.Cook, T.Glasmacher, P.G.Hansen, T.Hoagland, K.W.Kemper, W.F.Mueller, B.T.Roeder, J.R.Terry, J.A.Tostevin 25Si and 29S studied via single neutron knockout reactions NUCLEAR REACTIONS 9Be(26Si, 25Si), E=109 MeV/nucleon; 9Be(30S, 29S), E=103 MeV/nucleon, [secondary beams of 26Si and 30S from primary 9Be(36Ar, X), E=150 MeV/nucleon]; measured Eγ, Iγ, (particle)γ-coin, σ using SeGA array. 25Si, 29S; deduced levels, J, π. Comparisons with previous experimental data, mirror nuclei 25Na and 29Al, and shell model calculations.
doi: 10.1103/PhysRevC.81.067303
2010SI22 Phys.Rev. C 82, 037602 (2010) E.C.Simpson, J.A.Tostevin, Zs.Podolyak, P.H.Regan, S.J.Steer Differential isomeric ratios following two-proton knockout from 208Pb NUCLEAR REACTIONS 9Be(208Pb, 206Hg), E=1 GeV/nucleon; calculated two-proton knockout cross section and isomeric ratios as a function of residue momentum. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.037602
2010SI24 Phys.Rev. C 82, 044616 (2010) Correlations probed in direct two-nucleon removal reactions NUCLEAR REACTIONS 12C(12C, np)10B, E=2100 MeV/nucleon; 9Be(26Si, 2n)24Si, E=109 MeV/nucleon; 9Be(54Ti, 2p)52Ca, E=72 MeV/nucleon; calculated two-nucleon stripping amplitudes and σ for populating low-lying states in 10B, 24Si and 52Ca, residue momentum distributions. Eikonal model for two-nucleon stripping or knockout reactions.
doi: 10.1103/PhysRevC.82.044616
2009BA27 Phys.Rev.Lett. 102, 232501 (2009) D.Bazin, R.J.Charity, R.T.de Souza, M.A.Famiano, A.Gade, V.Henzl, D.Henzlova, S.Hudan, J.Lee, S.Lukyanov, W.G.Lynch, S.McDaniel, M.Mocko, A.Obertelli, A.M.Rogers, L.G.Sobotka, J.R.Terry, J.A.Tostevin, M.B.Tsang, M.S.Wallace Mechanisms in Knockout Reactions
doi: 10.1103/PhysRevLett.102.232501
2009MA16 Phys.Lett. B 675, 22 (2009) P.Maierbeck, R.Gernhauser, R.Krucken, T.Kroll, H.Alvarez-Pol, F.Aksouh, T.Aumann, K.Behr, E.A.Benjamim, J.Benlliure, V.Bildstein, M.Bohmer, K.Boretzky, M.J.G.Borge, A.Brunle, A.Burger, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, J.Enders, K.Eppinger, T.Faestermann, J.Friese, L.Fabbietti, M.Gascon, H.Geissel, J.Gerl, M.Gorska, P.G.Hansen, B.Jonson, R.Kanungo, O.Kiselev, I.Kojouharov, A.Klimkiewicz, T.Kurtukian, N.Kurz, K.Larsson, T.Le Bleis, K.Mahata, L.Maier, T.Nilsson, C.Nociforo, G.Nyman, C.Pascual-Izarra, A.Perea, D.Perez, A.Prochazka, C.Rodriguez-Tajes, D.Rossi, H.Schaffner, G.Schrieder, S.Schwertel, H.Simon, B.Sitar, M.Stanoiu, K.Summerer, O.Tengblad, H.Weick, S.Winkler, B.A.Brown, T.Otsuka, J.Tostevin, W.D.M.Rae Structure of 55Ti from relativistic one-neutron knockout NUCLEAR REACTIONS 9Be(48Ca, n47Ca), (56Ti, n55Ti), E=450 MeV/nucleon; measured σ, Eγ, Iγ, (recoil)γ-coin after Doppler correction, momentum distributions. 47Ca, 55Ti; deduced J, π, levels. Comparison with shell-model calculations. FRS with secondary beam and MINIBALL array.
doi: 10.1016/j.physletb.2009.03.049
2009MI12 Phys.Rev. C 79, 054306 (2009) D.Miller, P.Adrich, B.A.Brown, V.Moeller, A.Ratkiewicz, W.Rother, K.Starosta, J.A.Tostevin, C.Vaman, P.Voss Intermediate energy proton knockout to the "island of inversion" isotope 31Mg NUCLEAR REACTIONS 9Be(32Al, X), E=91 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(θ), σ, parallel momentum distributions. 31Mg; deduced levels, J, π. Comparison with USD and AMD+GCM shell-model calculations and discussed relevance to "island of inversion".
doi: 10.1103/PhysRevC.79.054306
2009RI04 Phys.Rev. C 79, 051303 (2009) L.A.Riley, P.Adrich, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, D.A.Garland, T.Glasmacher, B.A.Hartl, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, D.C.Stoken, J.A.Tostevin, D.Weisshaar Selectivity of the one-neutron knockout reaction on 45Cl and the collapse of the N = 28 shell closure NUCLEAR REACTIONS 9Be(45Cl, 44Cl), E=99.6 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin and parallel momentum distributions. 44Cl; deduced levels, J, π, half-life, cross section. One-neutron knockout reaction. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.79.051303
2009RI11 Phys.Rev. C 80, 037305 (2009) L.A.Riley, P.Adrich, T.R.Baugher, D.Bazin, B.A.Brown, J.M.Cook, P.D.Cottle, C.Aa.Diget, A.Gade, D.A.Garland, T.Glasmacher, K.E.Hosier, K.W.Kemper, A.Ratkiewicz, K.P.Siwek, J.A.Tostevin, D.Weisshaar Rotational and neutron-hole states in 43S via the neutron knockout and fragmentation reactions NUCLEAR REACTIONS 9Be(44S, X), E=92 MeV/nucleon; 9Be(45Cl, X), E=98 MeV/nucleon; measured Eγ, Iγ, γγ-coin and σ using SeGA array. 43S; deduced levels, J, π, rotational band and branching ratios. One-neutron knockout and fragmentation reactions. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.80.037305
2009RO26 Phys.Rev. C 80, 051601 (2009) M.Rodriguez-Gallardo, J.M.Arias, J.Gomez-Camacho, A.M.Moro, I.J.Thompson, J.A.Tostevin Four-body continuum-discretized coupled-channels calculations NUCLEAR REACTIONS 208Pb(6He, X), E=22 MeV; calculated σ(θ), angular distributions , B(E1) and B(E2) distributions using continuum-discretized coupled channels calculations. calculated . Comparison with experimental data.
doi: 10.1103/PhysRevC.80.051601
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