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NSR database version of March 21, 2024.

Search: Author = M.A.Bentley

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2023BE11      Eur.Phys.J. A 59, 172 (2023)

M.A.Bentley, G.Benzoni, K.Wimmer

Agata: in-beam spectroscopy with relativistic beams

doi: 10.1140/epja/s10050-023-01075-8
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2023LA07      Eur.Phys.J. A 59, 158 (2023)

M.Labiche, J.Ljungvall, F.C.L.Crespi, S.Chen, J.Bordes, A.Goasduff, S.Bottoni, E.Gamba, R.M.Perez-Vidal, M.A.Bentley

Simulation of the AGATA spectrometer and coupling with ancillary detectors

doi: 10.1140/epja/s10050-023-01036-1
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2023PE05      Eur.Phys.J. A 59, 44 (2023)

X.Pereira-Lopez, M.A.Bentley, R.Wadsworth, P.Ruotsalainen, S.M.Lenzi, U.Forsberg, K.Auranen, A.Blazhev, B.Cederwall, T.Grahn, P.Greenlees, A.Illana, D.G.Jenkins, R.Julin, H.Jutila, S.Juutinen, X.Liu, R.Llewelyn, M.Luoma, K.Moschner, C.Muller-Gatermann, B.S.Nara Singh, F.Nowacki, J.Ojala, J.Pakarinen, P.Papadakis, P.Rahkila, J.Romero, M.Sandzelius, J.Saren, H.Tann, S.Uthayakumaar, J.Uusitalo, J.G.Vega-Romero, J.M.Vilhena, R.Yajzey, W.Zhang, G.Zimba

In-beam γ-ray spectroscopy of 94Ag

NUCLEAR REACTIONS 40Ca(58Ni, 3np)94Ag, E=157-183 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin, Eβ, Iβ; deduced γ-ray energies and relative intensities, T=0 and T=1 analog state transitions. Comparison with shell model calculations. A recoil-beta-tagging experiment using the MARA recoil separator and JUROGAM3 array at the Accelerator Laboratory of the University of Jyvaskyla.

doi: 10.1140/epja/s10050-023-00950-8
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2023SA44      Phys.Rev. C 108, 044315 (2023)

W.Satula, M.A.Bentley, A.Jalili, S.Uthayakumaar

Sensitivity study of mirror energy differences in positive parity bands of T = 3 over 2 A = 45 nuclei

doi: 10.1103/PhysRevC.108.044315
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2023WI05      Phys.Lett. B 847, 138249 (2023)

K.Wimmer, P.Ruotsalainen, S.M.Lenzi, A.Poves, T.Huyuk, F.Browne, P.Doornenbal, T.Koiwai, T.Arici, K.Auranen, M.A.Bentley, M.L.Cortes, C.Delafosse, T.Eronen, Z.Ge, T.Grahn, P.T.Greenlees, A.Illana, N.Imai, H.Joukainen, R.Julin, A.Jungclaus, H.Jutila, A.Kankainen, N.Kitamura, B.Longfellow, J.Louko, R.Lozeva, M.Luoma, B.Mauss, D.R.Napoli, M.Niikura, J.Ojala, J.Pakarinen, X.Pereira-Lopez, P.Rahkila, F.Recchia, M.Sandzelius, J.Saren, R.Taniuchi, H.Tann, S.Uthayakumaar, J.Uusitalo, V.Vaquero, R.Wadsworth, G.Zimba, R.Yajzey

Isospin symmetry in the T = 1, A=62 triplet

NUCLEAR REACTIONS 12C(62Zn, 62Zn'), (62Ga, 62Ga'), (62Ge, 62Ge'), E ∼ 165 MeV/nucleon; 24Mg(40Ca, 2n)62Ge, E=106 MeV; measured reaction products, Eγ, Iγ. 62Zn, 62Ga, 62Ge; deduced γ-ray energies, J, π, level schemes, mirror energy differences as a function of the spin of the state. Comparison with the shell-model calculations with the K3BGR (GXPF1A) effective interactions. The Radioactive Isotope Beam Facility operated by the RIKEN Nishina Center and CNS, University of Tokyo, and the Accelerator Laboratory of the University of Jyvaskyla (JYFL-ACCLAB).

doi: 10.1016/j.physletb.2023.138249
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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
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2021FE11      Phys.Lett. B 823, 136784 (2021)

A.Fernandez, A.Jungclaus, P.Doornenbal, M.A.Bentley, S.M.Lenzi, D.Rudolph, F.Browne, M.L.Cortes, T.Koiwai, R.Taniuchi, V.Vaquero, K.Wimmer, T.Arici, N.Imai, N.Kitamura, B.Longfellow, R.Lozeva, B.Mauss, D.R.Napoli, M.Niikura, X.Pereira-Lopez, S.Pigliapoco, A.Poves, F.Recchia, P.Ruotsalainen, H.Sakurai, S.Uthayakumaar, R.Wadsworth, R.Yajzey

Mirror energy differences above the 0f7/2 shell: First γ-ray spectroscopy of the Tz=-2 nucleus 56Zn

NUCLEAR REACTIONS 9Be(57Zn, X)56Zn, E=200 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, yrast sequence, mirror energy differences (MED). Comparison with KB3GR shell-model prediction. The Radioactive Isotope Beam Factory at RIKEN.

doi: 10.1016/j.physletb.2021.136784
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2021RU09      Phys.Rev. C 104, 044314 (2021)

D.Rudolph, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, J.Ekman, C.Fahlander, P.Fallon, W.Reviol, D.G.Sarantites, D.Seweryniak

Experimental and shell-model study of excited states in 5526Fe29 and related notes on 5529Cu26

NUCLEAR REACTIONS 28Si(32S, n4p)55Fe, E=125 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, γγ(θ)(DCO) using the Gammasphere array for γ detection, 4π Microball system for charged particle detection, and the Neutron Shell array for neutron detection at ANL-ATLAS and LBNL cyclotron facilities. 55Fe; deduced high-spin levels, J, π, multipolarities, dipole structure, configurations. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 55Fe, 55Cu; calculated high-spin levels, J, π, level half-lives, B(E2), B(M1), γ-branching ratios, configurations, occupation numbers relative to 56Ni. Shell-model calculations with KB3G and GXPF1A interactions, with isospin breaking terms, using ANTOINE code. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.044314
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2699. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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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
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2020RU04      Phys.Rev. C 102, 014316 (2020)

D.Rudolph, I.Ragnarsson, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, J.Ekman, C.Fahlander, P.Fallon, W.Reviol, D.G.Sarantites, D.Seweryniak

Single-particle and collective excitations in the N=28 isotones 54Fe and 53Mn

NUCLEAR REACTIONS 28Si(32S, 3pα)53Mn, (32S, 2pα)54Fe, E=125 MeV; measured Eγ, Iγ, E(n), (particle)γ- and γγ-coin, γγ(θ)(DCO) using the Gammasphere array for γ detection, 4π Microball system for charged particle detection, and the Neutron Shell for neutron detection at ANL-ATLAS and LBNL facilities. 53Mn, 54Fe; deduced high-spin levels, J, π, multipolarities, band structures, alignments and configurations. Comparison with cranked Nilsson-Strutinsky calculations, and with large-scale shell model calculations in the fp shell with GXPF1A and KB3G interactions and isospin breaking terms.

doi: 10.1103/PhysRevC.102.014316
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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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2401. Data from this article have been entered in the XUNDL database. For more information, click here.


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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2460. Data from this article have been entered in the XUNDL database. For more information, click here.


2019TA20      Phys.Lett. B 798, 134894 (2019)

M.P.Taggart, C.Akers, A.M.Laird, U.Hager, C.Ruiz, D.A.Hutcheon, M.A.Bentley, J.R.Brown, L.Buchmann, A.A.Chen, J.Chen, K.A.Chipps, A.Choplin, J.M.D'Auria, B.Davids, C.Davis, C.Aa.Diget, L.Erikson, J.Fallis, S.P.Fox, U.Frischknecht, B.R.Fulton, N.Galinski, U.Greife, R.Hirschi, D.Howell, L.Martin, D.Mountford, A.St.J.Murphy, D.Ottewell, M.Pignatari, S.Reeve, G.Ruprecht, S.Sjue, L.Veloce, M.Williams

A direct measurement of the 17O(α, γ)21Ne reaction in inverse kinematics and its impact on heavy element production

NUCLEAR REACTIONS 4He(17O, γ)21Ne, E=160, 202, 290, 360 keV/nucleon; measured reaction products, Eγ, Iγ; deduced resonance strengths, S-factors, astrophysical reaction rates.

doi: 10.1016/j.physletb.2019.134894
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2420. Data from this article have been entered in the XUNDL database. For more information, click here.


2019XI06      Phys.Rev. C 100, 034315 (2019)

Y.Xiao, S.Go, R.Grzywacz, R.Orlandi, A.N.Andreyev, M.Asai, M.A.Bentley, G.de Angelis, C.J.Gross, P.Hausladen, K.Hirose, S.Hofmann, H.Ikezoe, D.G.Jenkins, B.Kindler, R.Leguillon, B.Lommel, H.Makii, C.Mazzocchi, K.Nishio, P.Parkhurst, S.V.Paulauskas, C.M.Petrache, K.P.Rykaczewski, T.K.Sato, J.Smallcombe, A.Toyoshima, K.Tsukada, K.Vaigneur, R.Wadsworth

Search for α decay of 104Te with a novel recoil-decay scintillation detector

RADIOACTIVITY 108,109Xe, 104,105Te(α)[from 54Fe(58Ni, X), E=250 MeV from the tandem accelerator of the Japan Atomic Energy Agency (JAEA), followed by separation of evaporation residues using Recoil Mass Separator (RMS)]; measured Eα, Iα, αα-correlations using an inorganic scintillator YAP:Ce for implanted nuclei, and a multiwire proportional chamber (MWPC) for α particles; deduced αα-correlations for the 109Xe to 105Te to 101Sn α-decay chain, and no conclusive trace observed for the 108Xe to 104Te to 100Sn α-decay chain, half-life of 108Xe decay, upper limit of 4 ns for the half-life of 104Te; estimated cross section for the production of 108Xe, an order of magnitude lower than the expectation based on earlier cross section measurements and the HIVAP fusion-evaporation code. 109I(p), 108,109Te(α); measured proton and α spectra, half-life of 109I decay. Comparison with data for 108Xe to 104Te to 100Sn α-decay chain reported by 2018Au04.

doi: 10.1103/PhysRevC.100.034315
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2018BO17      Phys.Rev.Lett. 121, 032502 (2018)

A.Boso, S.M.Lenzi, F.Recchia, J.Bonnard, A.P.Zuker, S.Aydin, M.A.Bentley, B.Cederwall, E.Clement, G.de France, A.Di Nitto, A.Dijon, M.Doncel, F.Ghazi Moradi, A.Gadea, A.Gottardo, T.Henry, T.Huyuk, G.Jaworski, P.R.John, K.Juhasz, I.Kuti, B.Melon, D.Mengoni, C.Michelagnoli, V.Modamio, D.R.Napoli, B.M.Nyako, J.Nyberg, M.Palacz, J.Timar, J.J.Valiente-Dobon

Neutron Skin Effects in Mirror Energy Differences: The Case of 23Mg-23Na

NUCLEAR REACTIONS 12C(16O, nα), (16O, pα), E=60-70 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, mirror energy differences, high-spin states. Comparison with available data.

doi: 10.1103/PhysRevLett.121.032502
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2018HE12      Phys.Lett. B 782, 468 (2018)

J.Henderson, G.Hackman, P.Ruotsalainen, S.R.Stroberg, K.D.Launey, J.D.Holt, F.A.Ali, N.Bernier, M.A.Bentley, M.Bowry, R.Caballero-Folch, L.J.Evitts, R.Frederick, A.B.Garnsworthy, P.E.Garrett, B.Jigmeddorj, A.I.Kilic, J.Lassen, J.Measures, D.Muecher, B.Olaizola, E.O'Sullivan, O.Paetkau, J.Park, J.Smallcombe, C.E.Svensson, R.Wadsworth, C.Y.Wu

Testing microscopically derived descriptions of nuclear collectivity: Coulomb excitation of 22Mg

NUCLEAR REACTIONS 110Pd(22Mg, 22Mg'), (22Ne, 22Ne'), E=83.4, 92.4 MeV; measured reaction products, Eγ, Iγ. 22Ne, 22Mg; deduced γ-ray energies, B(E2) values and quadrupole moments. Comparison with the state-of-the-art no-core symplectic shell model calculations.

doi: 10.1016/j.physletb.2018.05.064
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2018LE17      Phys.Rev. C 98, 054322 (2018)

S.M.Lenzi, M.A.Bentley, R.Lau, C.Aa.Diget

Isospin-symmetry breaking corrections for the description of triplet energy differences

NUCLEAR STRUCTURE A=18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66; calculated triplet energy differences (TEDs) between analog states in T=1 isobaric nuclei for various orbitals using large-scale shell model with monopole-pairing type single isotensor schematic interaction; deduced charge-independence breaking of the nuclear interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.054322
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2017BO08      Acta Phys.Pol. B48, 313 (2017)

A.Boso, S.M.Lenzi, F.Recchia, J.Bonnard, S.Aydin, M.A.Bentley, B.Cederwall, E.Clement, G.De France, A.Di Nitto, A.Dijon, M.Doncel, F.Ghazi Moradi, A.Gottardo, T.Henry, T.Huyuk, G.Jaworski, P.R.John, K.Juhasz, I.Kuti, B.Melon, D.Mengoni, C.Michelagnoli, V.Modamio, D.R.Napoli, B.M.Nyako, J.Nyberg, M.Palacz, J.J.Valiente-Dobon

Isospin Symmetry Breaking in Mirror Nuclei 23Mg-23Mg

NUCLEAR REACTIONS 12C(16O, αn), (16O, αp), E=60-70 MeV; measured charged particles by the 4π DIAMANT detector consisting of 80 CsI(Tl) scintillators, En, In using the NEUTRON WALL array of 50 liquid scintillators, Eγ, Iγ(θ), γγ-coin using γ-ray array EXOGAM of 10 Compton suppressed clovers of 4 segmented HPGe each; deduced γ transitions, levels, J, π, yrast, yrare bands, MED (Mirror Energy Differences) between 23Mg and 23Na up to high spin. 23Na, 23Mg; calculated levels, J, π; deduced MED in mirror nuclei; compared with ANTOINE shell model code calculations with two different NN interactions.

doi: 10.5506/APhysPolB.48.313
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2016DE29      Phys.Rev. C 94, 054311 (2016)

D.M.Debenham, M.A.Bentley, P.J.Davies, T.Haylett, D.G.Jenkins, P.Joshi, L.F.Sinclair, R.Wadsworth, P.Ruotsalainen, J.Henderson, K.Kaneko, K.Auranen, H.Badran, T.Grahn, P.Greenlees, A.Herzaan, U.Jakobsson, J.Konki, R.Julin, S.Juutinen, M.Leino, J.Sorri, J.Pakarinen, P.Papadakis, P.Peura, J.Partanen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, S.Stolze, J.Uusitalo, H.M.David, G.de Angelis, W.Korten, G.Lotay, M.Mallaburn, E.Sahin

Spectroscopy of 70Kr and isospin symmetry in the T=1 fpg shell nuclei

NUCLEAR REACTIONS 40Ca(32S, 2n), E=88 MeV; measured Eγ, (recoil)βγ-correlated events, half-life of 70Kr decay using JUROGAM II array at K130 cyclotron facility in Jyvaskyla. Recoil-β tagging method. 70Kr; deduced levels, J, π, triplet energy differences (TED) and mirror energy differences (MED). Comparison with shell model calculations. Systematics of TED and MED in even A=66, 70, 74 and 78 fpg shell nuclei.

doi: 10.1103/PhysRevC.94.054311
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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
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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
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2016MO34      Phys.Rev. C 94, 054323 (2016)

K.Moschner, A.Blazhev, J.Jolie, N.Warr, P.Boutachkov, P.Bednarczyk, K.Sieja, A.Algora, F.Ameil, M.A.Bentley, S.Brambilla, N.Braun, F.Camera, J.Cederkall, A.Corsi, M.Danchev, D.DiJulio, C.Fahlander, J.Gerl, A.Giaz, P.Golubev, M.Gorska, J.Grebosz, T.Habermann, M.Hackstein, R.Hoischen, I.Kojouharov, N.Kurz, N.Marginean, E.Merchan, T.Moller, F.Naqvi, B.S.Nara Singh, C.Nociforo, N.Pietralla, S.Pietri, Zs.Podolyak, A.Prochazka, M.Reese, P.Reiter, M.Rudigier, D.Rudolph, T.Sava, H.Schaffner, L.Scruton, J.Taprogge, T.Thomas, H.Weick, A.Wendt, O.Wieland, H.-J.Wollersheim

Relativistic Coulomb excitation of 88Kr

NUCLEAR REACTIONS 197Au(88Kr, 88Kr'), E=128 MeV/nucleon, [secondary 88Kr beam from 9Be(238U, F), E=650 MeV/nucleon, followed by separation of fragments using FRS separator at GSI]; measured scattered particles, Eγ, (particle)γ-coin using PreSPEC Ge-detector array of EUROBALL Cluster for γ detection and Lund-York-Cologne Calorimeter (LYCCA) for ion detection. 88Kr; deduced levels, B(E2) and B(M1) for second and third 2+ states, mixed-symmetric nature of the third 2+ state. Comparison with IBM-2 model calculations. Systematics of energies, B(E2) and B(M1) for the first and third 2+ states for 88Kr, 90Sr, 92Zr, 94Mo, 96Ru, 98Pd.

doi: 10.1103/PhysRevC.94.054323
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2015BE24      Phys.Rev. C 92, 024310 (2015)

M.A.Bentley, S.M.Lenzi, S.A.Simpson, C.Aa.Diget

Isospin-breaking interactions studied through mirror energy differences

NUCLEAR STRUCTURE 42Ca, 42Ti; 43Sc, 43Ti; 44Sc, 44V; 45Ti, 45V; 46Ti, 46Cr; 47V, 47Cr; 48V, 48Mn; 49Cr, 49Mn; 50Cr, 50Fe; 51Mn, 51Fe; 52Mn, 52Co; 52Cr, 52Ni; 53Fe, 53Co; 54Fe, 54Ni; calculated mirror-energy differences (MEDs), isospin-breaking matrix elements; deduced charge- and spin dependent (isospin-non-conserving) interactions. Comparison with experimental data. Shell-model description of isospin-breaking effects to fit data for mirror energy differences.

doi: 10.1103/PhysRevC.92.024310
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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
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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
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2015TO10      Phys.Rev.Lett. 115, 052702 (2015)

J.R.Tomlinson, J.Fallis, A.M.Laird, S.P.Fox, C.Akers, M.Alcorta, M.A.Bentley, G.Christian, B.Davids, T.Davinson, B.R.Fulton, N.Galinski, A.Rojas, C.Ruiz, N.de Sereville, M.Shen, A.C.Shotter

Measurement of 23Na(α, p)26Mg at Energies Relevant to 26Al Production in Massive Stars

NUCLEAR REACTIONS 23Na(α, p), E=1.1 MeV; measured reaction products, Ep, Ip; deduced σ, reaction rates. Comparison with the SMARAGD HF calculation.

doi: 10.1103/PhysRevLett.115.052702
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2014HE29      Phys.Rev. C 90, 051303 (2014)

J.Henderson, D.G.Jenkins, K.Kaneko, P.Ruotsalainen, P.Sarriguren, K.Auranen, M.A.Bentley, P.J.Davies, A.Gorgen, T.Grahn, P.T.Greenlees, A.Hay, T.W.Henry, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, C.McPeake, S.Milne, A.J.Nichols, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, E.Sahin, M.Sandzelius, J.Saren, C.Scholey, M.Siciliano, L.Sinclair, J.Sorri, S.Stolze, J.Uusitalo, R.Wadsworth, M.Zielinska

Spectroscopy on the proton drip-line: Probing the structure dependence of isospin nonconserving interactions

NUCLEAR REACTIONS 40Ca(36Ar, 2n)74Sr, E=105 MeV; measured Eγ, Iγ, γγ-coin, Eβ, ΔE-E, TOF, half-lives of 74Sr and 74Rb ground states using RITU separator and JUROGAM II array at Jyvaskyla K130 cyclotron facility. Recoil-beta tagging technique. 74Sr, 74Rb; deduced levels, J, π, T=1 triplet energy differences (TEDs) for 74Sr, 74Rb and 74Kr. Comparison with State-of-the-art shell-model calculations using the JUN45 interaction, and isospin nonconserving (INC) interaction.

RADIOACTIVITY 74Sr, 74Rb(β+)[from 40Ca(36Ar, X), E=105 MeV]; measured half-lives of ground states.

doi: 10.1103/PhysRevC.90.051303
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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
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2014WE13      Phys.Rev. C 90, 054301 (2014)

A.Wendt, J.Taprogge, P.Reiter, P.Golubev, H.Grawe, S.Pietri, P.Boutachkov, A.Algora, F.Ameil, M.A.Bentley, A.Blazhev, D.Bloor, B.S.Nara Singh, M.Bowry, A.Bracco, N.Braun, F.Camera, J.Cederkall, F.Crespi, A.de la Salle, D.DiJulio, P.Doornenbal, K.Geibel, J.Gellanki, J.Gerl, J.Grebosz, G.Guastalla, T.Habermann, M.Hackstein, R.Hoischen, A.Jungclaus, E.Merchan, B.Million, A.Morales, K.Moschner, Zs.Podolyak, N.Pietralla, D.Ralet, M.Reese, D.Rudolph, L.Scruton, B.Siebeck, N.Warr, O.Wieland, H.J.Wollersheim

Isospin symmetry in the sd shell: Transition strengths in the neutron-deficient sd shell nucleus 33Ar

NUCLEAR REACTIONS 197Au(33Ar, 33Ar'), E=145 MeV/nucleon, [33Ar secondary beam from 9Be(36Ar, X), E=450 MeV/nucleon primary reaction]; measured Eγ, Iγ, (33Ar)γ-coin, ΔE-E plot for Z identification using FRS separator, EUROBALL HPGe cluster detectors, HECTOR BaF2 detector array, and LYCCA particle detector array at GSI facility. Coulomb excitation. 33,36Ar; deduced Doppler-corrected γ spectra, levels, J, π, B(E2) using EUROBALL HPGe cluster detectors and HECTOR detector array. 33Ar, 33P; analyzed mirror energy differences (MED), B(E2). Systematics of B(E2) values for mirror pairs for A=18-38 nuclei. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.90.054301
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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
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2013GU13      Phys.Rev.Lett. 110, 172501 (2013)

G.Guastalla, D.D.DiJulio, M.Gorska, J.Cederkall, P.Boutachkov, P.Golubev, S.Pietri, H.Grawe, F.Nowacki, K.Sieja, A.Algora, F.Ameil, T.Arici, A.Atac, M.A.Bentley, A.Blazhev, D.Bloor, S.Brambilla, N.Braun, F.Camera, Zs.Dombradi, C.Domingo Pardo, A.Estrade, F.Farinon, J.Gerl, N.Goel, J.Grebosz, T.Habermann, R.Hoischen, K.Jansson, J.Jolie, A.Jungclaus, I.Kojouharov, R.Knoebel, R.Kumar, J.Kurcewicz, N.Kurz, N.Lalovic, E.Merchan, K.Moschner, F.Naqvi, B.S.Nara Singh, J.Nyberg, C.Nociforo, A.Obertelli, M.Pfutzner, N.Pietralla, Z.Podolyak, A.Prochazka, D.Ralet, P.Reiter, D.Rudolph, H.Schaffner, F.Schirru, L.Scruton, D.Sohler, T.Swaleh, J.Taprogge, Zs.Vajta, R.Wadsworth, N.Warr, H.Weick, A.Wendt, O.Wieland, J.S.WinfIeld, H.J.Wollersheim

Coulomb Excitation of 104Sn and the Strength of the 100Sn Shell Closure

NUCLEAR REACTIONS 197Au(104Sn, 104Sn'), (112Sn, 112Sn'), E=140 MeV/nucleon; measured reaction products, Eγ, Iγ. 104,112Sn; deduced transition energies, B(E2). Relativistic Coulomb excitation, comparison with available data.

doi: 10.1103/PhysRevLett.110.172501
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2013RU13      Phys.Rev. C 88, 041308 (2013)

P.Ruotsalainen, D.G.Jenkins, M.A.Bentley, R.Wadsworth, C.Scholey, K.Auranen, P.J.Davies, T.Grahn, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, P.Joshi, R.Julin, S.Juutinen, J.Konki, M.Leino, G.Lotay, A.J.Nichols, A.Obertelli, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, M.Sandzelius, J.Saren, J.Sorri, S.Stolze, J.Uusitalo

Spectroscopy of proton-rich 66Se up to Jπ Isospin-breaking effect in the A=66 isobaric triplet

NUCLEAR REACTIONS Ca(28Si, X), E=75 MeV; measured Eγ, Iγ, Eβ, evaporation residue spectra, βγ-, (recoil)βγ-coin, βγ(t), delayed γ using RITU separator, JUROGAMII array for γ rays and GREAT spectrometer at JYFL facility. Recoil-decay tagging method. 66Se; deduced levels, J, π; analyzed triplet energy differences (TED) and mirror energy differences (MED) for analog states in A=66 nuclei, and compared with those for A=42, 46, 50, 54 nuclei, and with shell-model predictions. 65Ge, 65Ga, 66As; observed γ rays from competing channels.

doi: 10.1103/PhysRevC.88.041308
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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
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2011BE11      Phys.Rev. C 83, 042801 (2011)

C.E.Beer, A.M.Laird, A.St.J.Murphy, M.A.Bentley, L.Buchman, B.Davids, T.Davinson, C.A.Diget, S.P.Fox, B.R.Fulton, U.Hager, D.Howell, L.Martin, C.Ruiz, G.Ruprecht, P.Salter, C.Vockenhuber, P.Walden

Direct measurement of the 18F( p, α)15O reaction at nova temperatures

NUCLEAR REACTIONS 18F(p, α), E(cm)=250, 330, 453, 673 keV; measured Eα, Iα, α(heavy ion)-coin, cross sections, angular distributions, and S factors at ISAC-TRIUMF facility. 19Ne; deduced resonances, R-matrix analysis. Discussed implications for the reaction rate in the context of nova explosions.

doi: 10.1103/PhysRevC.83.042801
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2011HO02      J.Phys.(London) G38, 035104 (2011)

R.Hoischen, D.Rudolph, H.L.Ma, P.Montuenga, M.Hellstrom, S.Pietri, Zs.Podolyak, P.H.Regan, A.B.Garnsworthy, S.J.Steer, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, A.Blazhev, C.Brandau, J.R.Brown, C.Fahlander, E.K.Johansson, A.Jungclaus

Isomeric mirror states as probes for effective charges in the lower pf shell

NUCLEAR REACTIONS Be(58Ni, X)43Ti/45Cr/45V, E=550 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced mirror isomers, level scheme, J, π, T1/2, B(E2), B(M2). Comparison with isospin breaking pf shell model calculations.

NUCLEAR STRUCTURE 43Ti, 43Sc, 45Cr, 45Sc, 45V, 45Ti; calculated B(E2), neutron and proton radii, yrast transitions. Shell model calculations with KB3 and KB3G interactions.

doi: 10.1088/0954-3899/38/3/035104
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2011SA15      Phys.Rev. C 83, 045808 (2011)

A.Saastamoinen, L.Trache, A.Banu, M.A.Bentley, T.Davinson, J.C.Hardy, V.E.Iacob, M.McCleskey, B.T.Roeder, E.Simmons, G.Tabacaru, R.E.Tribble, P.J.Woods, J.Aysto

Experimental study of β-delayed proton decay of 23Al for nucleosynthesis in novae

RADIOACTIVITY 23Al(β+), (β+p); measured E(p), I(p), Eγ, Iγ, βγ-, βp-coin. 22Na, 23Mg; deduced levels, J, π, widths, IAS of 23Al, resonance strength at 7787 keV and its contribution to the reaction rates for 22Na(p, γ) reaction at typical nova peak temperatures.

doi: 10.1103/PhysRevC.83.045808
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2011TA06      Phys.Rev. C 83, 044315 (2011)

M.J.Taylor, G.Gurdal, G.Kumbartzki, N.Benczer-Koller, A.E.Stuchbery, Y.Y.Sharon, M.A.Bentley, Z.Berant, R.J.Casperson, R.F.Casten, A.Heinz, G.Ilie, R.Luttke, E.A.McCutchan, J.Qian, B.Shoraka, V.Werner, E.Williams, R.Winkler

Low-energy structure of the even-A 96-104Ru isotopes via g-factor measurements

NUCLEAR MOMENTS 96,98,100,102,104Ru, 106Pd; measured g factors of first 2+ states by transient-field-perturbed angular correlation technique used with Coulomb excitation in inverse kinematics. Comparison with IBM-2 calculations.

NUCLEAR REACTIONS 12C(96Ru, 96Ru'), (98Ru, 98Ru'), (100Ru, 100Ru'), (102Ru, 102Ru'), (104Ru, 104Ru'), (106Pd, 106Pd'), E=280 MeV; 12C(102Ru, 102Ru'), E=160, 227 MeV; 12C(106Pd, 106Pd'), E=230 MeV; 24Mg(102Ru, 102Ru'), E=227 MeV; 26Mg(96Ru, 96Ru'), (98Ru, 98Ru'), E=230 MeV; 26Mg(100Ru, 100Ru'), (102Ru, 102Ru'), (104Ru, 104Ru'), E=227 MeV; measured (particle)γ-coin spectra, (particle)γ(θ), precession angles; deduced transient field strengths, g factors. Coulomb excitation in inverse kinematics.

doi: 10.1103/PhysRevC.83.044315
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2011TA33      Phys.Rev. C 84, 064319 (2011)

M.J.Taylor, M.A.Bentley, J.R.Brown, P.E.Kent, R.Wadsworth, C.J.Lister, D.Seweryniak, M.P.Carpenter, R.V.F.Janssens, S.Zhu, T.Lauritsen, L.-L.Andersson, E.K.Johansson, P.E.Garrett, K.L.Green, G.A.Demand, S.M.Lenzi

Isospin symmetry in the odd-odd mirror nuclei 44V/44Sc

NUCLEAR REACTIONS 10B(36Ar, 2n), (36Ar, 2p), E=95 MeV; measured Eγ, Iγ, γγ-, particle-γ coin. 44V, 44Sc; deduced levels, J, π, isospin symmetry, isospin mixing, mirror nuclei, mirror energy differences. 44Ti, 47V; measured Eγ. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.84.064319
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2010BE20      Mod.Phys.Lett. A 25, 1891 (2010)

M.A.Bentley, I.Paterson, J.R.Brown, M.J.Taylor, C.Aa.Diget, P.Adrich, D.Bazin, J.M.Cook, A.Gade, T.Glasmacher, S.McDaniel, A.Ratkiewicz, K.Siwek, D.Weisshaar, B.Pritychenko, S.M.Lenzi

Isobaric Analogue States Studied in Mirrored, Fragmentation and Knockout Reactions

NUCLEAR REACTIONS 9Be(56Ni, X)53Ni/53Mn, E not given; measured Eγ, Iγ, (particle)γ-coin. 53Ni; deduced levels, J, π, isobar analog states, isospin effects. Comparison with shell model calculations.

doi: 10.1142/S0217732310000575
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2010RU01      J.Phys.(London) G37, 075105 (2010)

D.Rudolph, I.Ragnarsson, W.Reviol, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, M.Cromaz, J.Ekman, C.Fahlander, P.Fallon, E.Ideguchi, A.O.Macchiavelli, M.N.Mineva, D.G.Sarantites, D.Seweryniak, S.J.Williams

Rotational bands in the semi-magic nucleus 5728Ni29

NUCLEAR REACTIONS 28Si(32S, n2p)57Ni, E=130 MeV; measured Eγ, Iγ, γ-γ-coins.; deduced high-spin states, superdeformed rotational bands. Cranked Nilsson-Strutinsky calculations, GAMMASPHERE.

doi: 10.1088/0954-3899/37/7/075105
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2010RU10      Phys.Rev. C 82, 054309 (2010)

D.Rudolph, L.-L.Andersson, R.Bengtsson, J.Ekman, O.Erten, C.Fahlander, E.K.Johansson, I.Ragnarsson, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, P.Fallon, A.O.Macchiavelli, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, S.J.Williams

Isospin and deformation studies in the odd-odd N=Z nucleus 54Co

NUCLEAR REACTIONS 28Si(32S, npα), E=130 MeV; measured Eγ, Iγ, γγ-, αγ-, nγ-, pγ-coin, γγ(θ) using Gammasphere and Microball arrays. 54Co; deduced levels, J, π, multipolarities, mixing ratios, configurations. Comparison with large-scale shell-model calculations in the fp shell.

doi: 10.1103/PhysRevC.82.054309
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2010SA41      J.Phys.:Conf.Ser. 202, 012010 (2010)

A.Saastamoinen, L.Trache, A.Banu, M.A.Bentley, T.Davinson, T.Eronen, J.C.Hardy, V.E.Iacob, D.Jenkins, A.Jokinen, M.McCleskey, B.Roeder, G.Tabacaru, R.E.Tribble, P.J.Woods, J.Aysto, for the IGISOL/MARS Collaboration

Studies of astrophysically interesting nucleus 23Al

NUCLEAR REACTIONS 1H(24Mg, 2n)23Al, E=48 MeV/nucleon; measured reaction products using DSSD (double-sided Si strip detector), Si and HPGe detectors at the focal plane of MARS separator, β-delayed 23Al proton decay; deduced proton branching.

ATOMIC PHYSICS 23Al; measured mass, mass excess, proton separation using JYFLTRAP Penning trap at IGISOL.

doi: 10.1088/1742-6596/202/1/012010
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2009BR06      Phys.Rev. C 80, 011306 (2009)

J.R.Brown, M.A.Bentley, P.Adrich, D.Bazin, J.M.Cook, C.Aa.Diget, A.Gade, T.Glasmacher, S.M.Lenzi, S.McDaniel, B.Pritychenko, A.Ratkiewicz, K.Siwek, M.J.Taylor, D.Weisshaar

First γ-ray spectroscopy of 49Fe and 53Ni: Isospin-breaking effects at large proton excess

NUCLEAR REACTIONS 9Be(56Ni, X)49Fe/49V/53Ni/53Mn, E not given; measured Eγ, Iγ, (particle)γ-coin. 49Fe, 53Ni; deduced levels, J, π.

doi: 10.1103/PhysRevC.80.011306
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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


2008PA27      Phys.Rev. C 78, 024301 (2008)

N.S.Pattabiraman, D.G.Jenkins, M.A.Bentley, R.Wadsworth, C.J.Lister, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Seweryniak, S.Zhu, G.Lotay, P.J.Woods, Krishichayan, P.Van Isacker

Analog E1 transitions and isospin mixing

NUCLEAR REACTIONS 16O(16O, n), (16O, p), E=29 MeV; measured Eγ, Iγ, half-lives using Doppler Shift Attenuation method. 31S, 31P; deduced B(E1). 31Si, 31P, 31,35S, 35Cl, 35Ar; analyzed B(E1), isospin mixing.

doi: 10.1103/PhysRevC.78.024301
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2008RU07      Eur.Phys.J. A 36, 131 (2008)

D.Rudolph, R.Hoischen, M.Hellstrom, S.Pietri, Zs.Podolyak, P.H.Regan, A.B.Garnsworthy, S.J.Steer, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, A.Blazhev, C.Brandau, J.R.Brown, C.Fahlander, E.K.Johansson, A.Jungclaus

Evidence for an isomeric 3/2- state in 53Co

NUCLEAR REACTIONS 9Be(58Ni, X), E=550 MeV/nucleon; measured time correlated β-delayed Eγ, Iγ. 53Fe, 53Co deduced levels, J, π, T1/2. Comparison with shell model calculations.

doi: 10.1140/epja/i2008-10587-4
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2008RU09      Phys.Rev. C 78, 021301 (2008)

D.Rudolph, R.Hoischen, M.Hellstrom, S.Pietri, Zs.Podolyak, P.H.Regan, A.B.Garnsworthy, S.J.Steer, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, J.Gerl, M.Gorska, J.Grebosz, I.Kojouharov, N.Kurz, W.Prokopowicz, H.Schaffner, H.J.Wollersheim, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, A.Blazhev, C.Brandau, J.R.Brown, C.Fahlander, E.K.Johansson, A.Jungclaus, S.M.Lenzi

Isospin symmetry and proton decay: Identification of the 10+ isomer in 54Ni

NUCLEAR REACTIONS 9Be(58Ni, X), E=550 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin. 54Ni; deduced levels, J, π, B(E2), B(E4), half-life of 10+ state, magnetic dipole moments, electric quadrupole moments. 54Fe, 54Ni; systematics of 10+ isomer decay properties.

RADIOACTIVITY 54Ni(p); measured Eγ, Iγ from 10+ isomer decay. 53Co; deduced levels, J, π.

doi: 10.1103/PhysRevC.78.021301
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2007BE41      Prog.Part.Nucl.Phys. 59, 497 (2007)

M.A.Bentley, S.M.Lenzi

Coulomb energy differences between high-spin states in isobaric multiplets

NUCLEAR STRUCTURE A=30-60; calculated energy differences between isobaric analog states using the single particle model.

doi: 10.1016/j.ppnp.2006.10.001
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2007NA13      Phys.Rev. C 75, 061301 (2007)

B.S.Nara Singh, A.N.Steer, D.G.Jenkins, R.Wadsworth, M.A.Bentley, P.J.Davies, R.Glover, N.S.Pattabiraman, C.J.Lister, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.A.Butler, M.Dimmock, D.T.Joss, J.Thomson, B.Cederwall, B.Hadinia, M.Sandzelius

Coulomb shifts and shape changes in the mass 70 region

NUCLEAR REACTIONS Ca(36Ar, np)74Rb, E=103 MeV; Ca(40Ca, np)78Y, E=118, 121 MeV; measured Eγ, Iγ, βγ-coinc using recoil-decay tagging technique. 74Rb, 78Y deduced coulomb energy differences between T=1 states.

doi: 10.1103/PhysRevC.75.061301
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2007PI09      Acta Phys.Pol. B38, 1255 (2007)

S.Pietri, P.H.Regan, Zs.Podolyak, D.Rudolph, M.Gorska, A.Jungclaus, M.Pfutzner, A.B.Garnsworthy, S.J.Steer, L.Caceres, E.Werner-Malento, R.Hoischen, J.Gerl, I.Kojouharov, H.Schaffner, H.J.Wollersheim, F.Becker, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Grebosz, A.Kelic, N.Kurz, F.Montes, W.Prokopowicz, T.Saito, S.Tashenov, A.Heinz, T.Kurtukian-Nieto, G.Benzoni, M.Hellstrom, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, B.Blank, A.Blazhev, C.Brandau, J.R.Brown, A.M.Bruce, F.Camera, W.N.Catford, I.J.Cullen, Zs.Dombradi, E.Estevez, C.Fahlander, W.Gelletly, G.Ilie, E.K.Johansson, J.Jolie, G.A.Jones, M.Kmiecik, F.G.Kondev, S.Lalkovski, Z.Liu, A.Maj, S.Myalski, T.Shizuma, A.J.Simons, S.Schwertel, P.M.Walker, O.Wieland

First Results from the Stopped Beam Isomer Rising Campaign at GSI


2007PI10      Nucl.Instrum.Methods Phys.Res. B261, 1079 (2007)

S.Pietri, P.H.Regan, Zs.Podolyak, D.Rudolph, S.Steer, A.B.Garnsworthy, E.Werner-Malento, R.Hoischen, M.Gorska, J.Gerl, H.J.Wollersheim, I.Kojouharov, H.Schaffner, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, H.Geissel, J.Grebosz, A.Kelic, N.Kurz, F.Montes, W.Prokopowicz, T.Saito, S.Tashenov, A.Heinz, M.Pfutzner, T.Kurtukian-Nieto, G.Benzoni, M.Hellstrom, A.Jungclaus, J.Simpson, L.-L.Andersson, L.Atanasova, D.Balabanski, M.A.Bentley, B.Blank, A.Blazhev, C.Brandau, J.R.Brown, A.M.Bruce, F.Camera, W.N.Catford, I.J.Cullen, Zs.Dombradi, E.Estevez, C.Fahlander, W.Gelletly, G.Ilie, E.K.Johansson, J.Jolie, G.A.Jones, M.Kmiecik, F.G.Kondev, S.Lalkovski, Z.Liu, A.Maj, S.Myalski, T.Shizuma, A.J.Simons, S.Schwertel, P.M.Walker, O.Wieland

Recent results in fragmentation isomer spectroscopy with rising

doi: 10.1016/j.nimb.2007.04.219
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2007PO13      Eur.Phys.J. Special Topics 150, 165 (2007)

Zs.Podolyak, S.J.Steer, S.Pietri, E.Werner-Malento, P.H.Regan, D.Rudolph, A.B.Garnsworthy, R.Hoischen, M.Gorska, J.Gerl, H.J.Wollersheim, T.Kurtukian-Nieto, G.Benzoni, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, H.Geissel, J.Grebosz, A.Kelic, I.Kojouharov, N.Kurz, F.Montes, W.Prokopowicz, T.Saito, H.Schaffner, S.Tashenov, A.Heinz, M.Pfutzner, M.Hellstrom, A.Jungclaus, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, B.Blank, A.Blazhev, C.Brandau, J.Brown, A.M.Bruce, F.Camera, W.N.Catford, I.J.Cullen, Zs.Dombradi, E.Estevez, C.Fahlander, W.Gelletly, G.Ilie, E.K.Johansson, J.Jolie, G.A.Jones, M.Kmiecik, F.G.Kondev, S.Lalkovski, Z.Liu, A.Maj, S.Myalski, T.Shizuma, A.J.Simons, S.Schwertel, P.M.Walker, O.Wieland, B.A.Brown

Isomeric decay studies around 204Pt and 148Tb

RADIOACTIVITY 147Gd, 148Tb, 204Pt(IT); measured delayed Eγ, Iγ from isomer decays.

doi: 10.1140/epjst/e2007-00294-4
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2007RU21      Eur.Phys.J. Special Topics 150, 173 (2007)

D.Rudolph, S.Pietri, Zs.Podolyak, P.H.Regan, A.B.Garnsworthy, R.Hoischen, S.J.Steer, F.Becker, P.Bednarczyk, L.Caceres, P.Doornenbal, H.Geissel, J.Gerl, M.Gorska, J.Grebosz, A.Kelic, I.Kojouharov, N.Kurz, F.Montes, W.Prokopowicz, T.Saito, H.Schaffner, S.Tashenov, E.Werner-Malento, H.J.Wollersheim, L.-L.Andersson, L.Atanasova, D.L.Balabanski, M.A.Bentley, G.Benzoni, B.Blank, A.Blazhev, C.Brandau, J.R.Brown, A.M.Bruce, F.Camera, W.N.Catford, I.J.Cullen, Zs.Dombradi, E.Estevez, C.Fahlander, W.Gelletly, A.Heinz, M.Hellstrom, G.Ilie, E.K.Johansson, J.Jolie, G.A.Jones, A.Jungclaus, M.Kmiecik, F.G.Kondev, T.Kurtukian-Nieto, S.Lalkovski, Z.Liu, A.Maj, S.Myalski, M.Pfutzner, T.Shizuma, A.J.Simons, S.Schwertel, P.M.Walker, O.Wieland

Exciting isomers from the first stopped-beam RISING campaign

doi: 10.1140/epjst/e2007-00296-2
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2006BE07      Phys.Rev. C 73, 024304 (2006)

M.A.Bentley, C.Chandler, P.Bednarczyk, F.Brandolini, A.M.Bruce, D.Curien, O.Dorvaux, J.Ekman, E.Farnea, W.Gelletly, D.T.Joss, S.M.Lenzi, D.R.Napoli, J.Nyberg, C.D.O'Leary, S.J.Williams, D.D.Warner

High-spin spectroscopy of natural and unnatural parity states in the mirror-pair 45V/45Ti

NUCLEAR REACTIONS 24Mg(24Mg, 2np), (24Mg, n2p), E=83 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 45V, 45Ti deduced high-spin levels, J, π, mirror energy differences. Euroball, Euclides arrays. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.73.024304
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2006BE45      Phys.Rev.Lett. 97, 132501 (2006)

M.A.Bentley, C.Chandler, M.J.Taylor, J.R.Brown, M.P.Carpenter, C.Davids, J.Ekman, S.J.Freeman, P.E.Garrett, G.Hammond, R.V.F.Janssens, S.M.Lenzi, C.J.Lister, R.du Rietz, D.Seweryniak

Isospin Symmetry of Odd-Odd Mirror Nuclei: Identification of Excited States in N=Z-2 48Mn

NUCLEAR REACTIONS 10B(40Ca, 2n), (40Ca, 2p), E=110 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 48Mn deduced high-spin levels, J, π, mirror energy differences. Gammasphere array, mass separator.

doi: 10.1103/PhysRevLett.97.132501
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2006GA33      Phys.Rev.Lett. 97, 152501 (2006)

A.Gadea, S.M.Lenzi, S.Lunardi, N.Marginean, A.P.Zuker, G.de Angelis, M.Axiotis, T.Martinez, D.R.Napoli, E.Farnea, R.Menegazzo, P.Pavan, C.A.Ur, D.Bazzacco, R.Venturelli, P.Kleinheinz, P.Bednarczyk, D.Curien, O.Dorvaux, J.Nyberg, H.Grawe, M.Gorska, M.Palacz, K.Lagergren, L.Milechina, J.Ekman, D.Rudolph, C.Andreoiu, M.A.Bentley, W.Gelletly, B.Rubio, A.Algora, E.Nacher, L.Caballero, M.Trotta, M.Moszynski

Observation of 54Ni: Cross-Conjugate Symmetry in f7/2 Mirror Energy Differences

NUCLEAR REACTIONS 24Mg(32S, 2n), E=75 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 54Ni deduced levels, J, π. Euroball IV, Euclides arrays. Level systematics in neighboring isobars discussed.

doi: 10.1103/PhysRevLett.97.152501
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2006JO03      Eur.Phys.J. A 27, 157 (2006)

E.K.Johansson, D.Rudolph, J.Ekman, C.Fahlander, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, P.Fallon, R.V.F.Janssens, F.G.Kondev, T.L.Khoo, T.Lauritsen, A.O.Macchiavelli, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, S.J.Williams

Gamma-ray spectroscopy of the doubly magic nucleus 56Ni

NUCLEAR REACTIONS 40Ca(28Si, 3α), E=122 MeV; 28Si(32S, 2n2p), E=130 MeV; measured Eγ, Iγ, (charged particle)γ-, (neutron)γ-, γγ-coin. 56Ni deduced levels, J, π, configurations. Shell model calculations, Gammasphere and Microball arrays.

doi: 10.1140/epja/i2005-10259-y
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2006RU02      Phys.Rev.Lett. 96, 092501 (2006)

D.Rudolph, B.G.Carlsson, I.Ragnarsson, S.Aberg, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, M.Cromaz, J.Ekman, C.Fahlander, P.Fallon, E.Ideguchi, A.O.Macchiavelli, M.N.Mineva, W.Reviol, D.G.Sarantites, D.Seweryniak, S.J.Williams

58Ni: An Unpaired Band Crossing at New Heights of Angular Momentum for Rotating Nuclei

NUCLEAR REACTIONS 28Si(32S, 2p), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 58Ni deduced high-spin levels, J, π, configurations, unpaired band crossing. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevLett.96.092501
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2005BB09      Phys.Rev. C 72, 061305 (2005)

A.Banu, J.Gerl, C.Fahlander, M.Gorska, H.Grawe, T.R.Saito, H.-J.Wollersheim, E.Caurier, T.Engeland, A.Gniady, M.Hjorth-Jensen, F.Nowacki, T.Beck, F.Becker, P.Bednarczyk, M.A.Bentley, A.Burger, F.Cristancho, G.de Angelis, Zs.Dombradi, P.Doornenbal, H.Geissel, J.Grebosz, G.Hammond, M.Hellstrom, J.Jolie, I.Kojouharov, N.Kurz, R.Lozeva, S.Mandal, N.Marginean, S.Muralithar, J.Nyberg, J.Pochodzalla, W.Prokopowicz, P.Reiter, D.Rudolph, C.Rusu, N.Saito, H.Schaffner, D.Sohler, H.Weick, C.Wheldon, M.Winkler

108Sn studied with intermediate-energy Coulomb excitation

NUCLEAR REACTIONS 197Au(108Sn, 108Sn'), E=142 MeV; 197Au(112Sn, 112Sn'), E=147 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 108,112Sn levels deduced excitation B(E2), core polarization features. Comparison with large-scale shell model predictions.

doi: 10.1103/PhysRevC.72.061305
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2005BE33      Acta Phys.Pol. B36, 1235 (2005)

P.Bednarczyk, A.Banu, T.Beck, F.Becker, M.A.Bentley, G.Benzoni, A.Bracco, A.Burger, F.Camera, P.Doornenbal, C.Fahlander, H.Geissel, J.Gerl, M.Gorska, H.Grawe, J.Grebosz, G.Hammond, M.Hellstrom, H.Hubel, J.Jolie, M.Kmiecik, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, S.Muralithar, P.Reiter, D.Rudolph, N.Saito, T.R.Saito, H.Schaffner, J.Simpson, J.Styczen, N.Warr, H.Weick, C.Wheldon, O.Wieland, M.Winkler, H.J.Wollersheim

Status of the RISING project at relativistic energies

NUCLEAR REACTIONS 197Au(54Cr, 54Cr'), E=136 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 54Cr deduced transitions.


2005BE64      Eur.Phys.J. A 25, Supplement 1, 719 (2005)

F.Becker, A.Banu, T.Beck, P.Bednarczyk, P.Doornenbal, H.Geissel, J.Gerl, M.Gorska, H.Grawe, J.Grebosz, M.Hellstrom, I.Kojouharov, N.Kurz, R.Lozeva, S.Mandal, S.Muralithar, W.Prokopowicz, N.Saito, T.R.Saito, H.Schaffner, H.Weick, C.Wheldon, M.Winkler, H.J.Wollersheim, J.Jolie, P.Reiter, N.Warr, A.Burger, H.Hubel, J.Simpson, M.A.Bentley, G.Hammond, G.Benzoni, A.Bracco, F.Camera, B.Million, O.Wieland, M.Kmiecik, A.Maj, W.Meczynski, J.Styczen, C.Fahlander, D.Rudolph

Status of the RISING project at GSI

doi: 10.1140/epjad/i2005-06-170-5
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2005DU19      Phys.Rev. C 72, 014307 (2005)

R.du Rietz, S.J.Williams, D.Rudolph, J.Ekman, C.Fahlander, C.Andreoiu, M.Axiotis, M.A.Bentley, M.P.Carpenter, C.Chandler, R.J.Charity, R.M.Clark, M.Cromaz, A.Dewald, G.de Angelis, F.Della Vedova, P.Fallon, A.Gadea, G.Hammond, E.Ideguchi, S.M.Lenzi, A.O.Macchiavelli, N.Marginean, M.N.Mineva, O.Moller, D.R.Napoli, M.Nespolo, W.Reviol, C.Rusu, B.Saha, D.G.Sarantites, D.Seweryniak, D.Tonev, C.A.Ur

Investigation of high-spin states in 53Fe

NUCLEAR REACTIONS 28Si(32S, n2pα), E=125 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 24Mg(32S, n2p), E=95 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 53Fe deduced high-spin levels, J, π, T1/2, configurations. Gammasphere, Microball, GASP arrays, recoil-distance technique. Comparison with shell-model predictions.

doi: 10.1103/PhysRevC.72.014307
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2005HA25      Acta Phys.Pol. B36, 1253 (2005)

G.Hammond, M.A.Bentley, F.Becker, J.Grebosz, M.J.Taylor, A.Banu, C.J.Barton, T.Beck, P.Bednarczyk, A.Bracco, A.M.Bruce, L.C.Bullock, A.Burger, F.Camera, C.Chandler, P.Doornenbal, J.Gerl, H.Geissel, M.Gorska, M.Hellstrom, D.Judson, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, B.McGuirk, S.Muralithar, E.S.Paul, Zs.Podolyak, W.Prokopowicz, D.Rudolph, N.Saito, T.R.Saito, H.Schaffner, J.Simpson, D.D.Warner, H.Weick, C.Wheldon, M.Winkler, H.-J.Wollersheim

Spectroscopy of T=3/2 mirror nuclei via two-step fragmentation using RISING

NUCLEAR REACTIONS 9Be(55Ni, X)54Ni, E not given; 9Be(55Co, X)54Fe, E not given; measured Eγ, Iγ, (particle)γ-coin. Two-step fragmentation of 58Ni primary beam.


2005JO17      J.Phys.(London) G31, S1593 (2005)

D.T.Joss, N.Amzal, D.E.Appelbe, T.Back, C.J.Barton, M.A.Bentley, B.Cederwall, J.F.C.Cocks, D.M.Cullen, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, S.L.King, P.Kuusiniemi, K.Lagergren, M.Leino, A.P.Leppanen, M.Muikku, P.Nieminen, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, C.Scholey, A.Savelius, J.Simpson, M.J.Taylor, J.Uusitalo, S.J.Williams, D.D.Warner, D.R.Wiseman, R.Wyss

Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging

NUCLEAR STRUCTURE 162,164,166,168,169,170Os; analyzed level energies; deduced shape transition features.

doi: 10.1088/0954-3899/31/10/039
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2005PI21      Phys.Rev. C 72, 064307 (2005)

A.Pipidis, M.A.Riley, J.Simpson, R.V.F.Janssens, F.G.Kondev, D.E.Appelbe, A.P.Bagshaw, M.A.Bentley, T.B.Brown, M.P.Carpenter, D.M.Cullen, D.B.Campbell, P.J.Dagnall, P.Fallon, S.M.Fischer, G.B.Hagemann, D.J.Hartley, K.Lagergren, R.W.Laird, T.Lauritsen, J.C.Lisle, D.Nisius, S.L.Shepherd, A.G.Smith, S.Tormanen, I.Ragnarsson

Structural behavior of 157, 158, 159Dy in the I=30-50 (h-bar) spin regime

NUCLEAR REACTIONS 124Sn(36S, 3n), E=165 MeV; 130Te(36S, 3nα), (36S, 4nα), (34S, 3nα), E=170 MeV; measured Eγ, Iγ, γγ-coin. 157,158,159Dy deduced high-spin levels, J, π, configurations. Gammasphere, Euroball arrays.

doi: 10.1103/PhysRevC.72.064307
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2005RE10      Acta Phys.Pol. B36, 1259 (2005)

P.Reiter, F.Becker, M.A.Bentley, A.Bracco, G.de Angelis, C.Fahlander, J.Gerl, M.Gorska, H.Grawe, H.Hubel, J.Jolie, A.Maj, P.Mayet, T.Saito, K.-H.Speidel, H.J.Wollersheim

Future RISING experiments at relativistic energies


2005TA27      J.Phys.(London) G31, S1527 (2005)

M.J.Taylor, G.Hammond, M.A.Bentley, F.Becker, J.Grebosz, A.Banu, C.J.Barton, T.Beck, P.Bednarczyk, A.Bracco, A.M.Bruce, L.C.Bullock, A .Burger, F.Camera, C.Chandler, P.Doornenbal, J.Gerl, H.Geissel, M.Gorska, M.Hellstrom, D.S.Judson, I.Kojouharov, N.Kurz, R.Lozeva, A.Maj, S.Mandal, B.McGuirk, S.Muralithar, E.S.Paul, Z.Podolyak, W.Prokopowicz, D.Rudolph, N.Saito, T.R.Saito, H.Schaffner, J.Simpson, D.D.Warner, H.Weick, C.Wheldon, M.Winkler, H.J.Wollersheim

Spectroscopy of nuclei approaching the proton drip-line using a secondary-fragmentation technique with the RISING detector array

NUCLEAR REACTIONS 9Be(55Ni, X), (55Co, X), E ≈ 170 MeV/nucleon; measured Eγ, Iγ, (fragment)γ-coin. 54Ni, 54Fe deduced transitions.

doi: 10.1088/0954-3899/31/10/025
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2005WO01      Nucl.Instrum.Methods Phys.Res. A537, 637 (2005)

H.J.Wollersheim, D.E.Appelbe, A.Banu, R.Bassini, T.Beck, F.Becker, P.Bednarczyk, K.-H.Behr, M.A.Bentley, G.Benzoni, C.Boiano, U.Bonnes, A.Bracco, S.Brambilla, A.Brunle, A.Burger, K.Burkard, P.A.Butler, F.Camera, D.Curien, J.Devin, P.Doornenbal, C.Fahlander, K.Fayz, H.Geissel, J.Gerl, M.Gorska, H.Grawe, J.Grebosz, R.Griffiths, G.Hammond, M.Hellstrom, J.Hoffmann, H.Hubel, J.Jolie, J.V.Kalben, M.Kmiecik, I.Kojouharov, R.Kulessa, N.Kurz, I.Lazarus, J.Li, J.Leske, R.Lozeva, A.Maj, S.Mandal, W.Meczynski, B.Million, G.Munzenberg, S.Muralithar, M.Mutterer, P.J.Nolan, G.Neyens, J.Nyberg, W.Prokopowicz, V.F.E.Pucknell, P.Reiter, D.Rudolph, N.Saito, T.R.Saito, D.Seddon, H.Schaffner, J.Simpson, K.-H.Speidel, J.Styczen, K.Summerer, N.Warr, H.Weick, C.Wheldon, O.Wieland, M.Winkler, M.Zieblinski

Rare ISotopes INvestigation at GSI (RISING) using gamma-ray spectroscopy at relativistic energies

NUCLEAR REACTIONS 197Au(84Kr, 84Kr'), (56Cr, 56Cr'), (108Sn, 108Sn'), E=113-142 MeV/nucleon; measured Eγ, Iγ following projectile Coulomb excitation. 84Kr, 56Cr, 108Sn deduced transitions. 9Be(55Ni, X)54Co/52Fe/50Cr, E=171 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin.

doi: 10.1016/j.nima.2004.08.072
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2004DU25      Phys.Rev.Lett. 93, 222501 (2004)

R.du Rietz, J.Ekman, D.Rudolph, C.Fahlander, A.Dewald, O.Moller, B.Saha, M.Axiotis, M.A.Bentley, C.Chandler, G.de Angelis, F.Della Vedova, A.Gadea, G.Hammond, S.M.Lenzi, N.Marginean, D.R.Napoli, M.Nespolo, C.Rusu, D.Tonev

Effective Charges in the fp Shell

NUCLEAR REACTIONS 24Mg(32S, nα), (32S, pα), E=95 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 51Fe, 51Mn levels deduced T1/2, B(E2), effective charges. GASP array, recoil-distance technique, comparison with large-scale shell model predictions.

doi: 10.1103/PhysRevLett.93.222501
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2004EK01      Phys.Rev.Lett. 92, 132502 (2004)

J.Ekman, D.Rudolph, C.Fahlander, A.P.Zuker, M.A.Bentley, S.M.Lenzi, C.Andreoiu, M.Axiotis, G.de Angelis, E.Farnea, A.Gadea, Th.Kroll, N.Marginean, T.Martinez, M.N.Mineva, C.Rossi-Alvarez, C.A.Ur

Unusual Isospin-Breaking and Isospin-Mixing Effects in the A = 35 Mirror Nuclei

NUCLEAR REACTIONS 16O(24Mg, nα), (24Mg, pα), E=60 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 35Ar deduced levels, J, π, isospin mixing. GASP, ISIS arrays.

doi: 10.1103/PhysRevLett.92.132502
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2004EK02      Phys.Rev. C 70, 014306 (2004)

J.Ekman, D.Rudolph, C.Andreoiu, C.Fahlander, M.N.Mineva, M.A.Bentley, S.J.Williams, R.Charity, E.Ideguchi, W.Reviol, D.G.Sarantites, V.Tomov, R.M.Clark, M.Cromaz, P.Fallon, A.O.Macchiavelli, M.P.Carpenter, D.Seweryniak

γ-ray spectroscopy of core-excited states in 51Mn

NUCLEAR REACTIONS 28Si(32S, p2α), E=125 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 51Mn deduced levels, J, π, δ, core-excited states. Gammasphere, Microball arrays, comparison with shell-model predictions.

doi: 10.1103/PhysRevC.70.014306
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2004EK03      Phys.Rev. C 70, 057305 (2004)

J.Ekman, C.Andreoiu, C.Fahlander, M.N.Mineva, D.Rudolph, M.A.Bentley, S.J.Williams, R.J.Charity, E.Ideguchi, W.Reviol, D.G.Sarantites, V.Tomov, R.M.Clark, M.Cromaz, P.Fallon, A.O.Macchiavelli, M.P.Carpenter, D.Seweryniak

Core excited states in the A = 51 mirror nuclei

NUCLEAR REACTIONS 32S(28Si, n2α), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 51Fe deduced levels, J, π, δ, core excitation. Gammasphere, Microball arrays.

NUCLEAR STRUCTURE 51Fe, 51Mn; analyzed levels, J, π, mirror-energy differences. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.70.057305
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2003WI07      Phys.Rev. C 68, 011301 (2003)

S.J.Williams, M.A.Bentley, D.D.Warner, A.M.Bruce, J.A.Cameron, M.P.Carpenter, P.Fallon, L.Frankland, W.Gelletly, R.V.F.Janssens, D.T.Joss, C.D.O'Leary, C.J.Lister, A.Poves, P.H.Regan, P.Reiter, B.Rubio, D.Seweryniak, C.E.Svensson, S.M.Vincent

Anomalous Coulomb matrix elements in the f7/2 shell

NUCLEAR REACTIONS 32S(24Mg, n2p), (24Mg, 2np), E=95 MeV; measured Eγ, Iγ, γγ-coin. 53Co, 53Fe deduced levels, J, π, Coulomb energy differences. Comparison with large-scale shell model calculations. Gammasphere array.

doi: 10.1103/PhysRevC.68.011301
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2002CU05      Phys.Rev. C66, 034308 (2002)

D.M.Cullen, L.K.Pattison, R.S.Chakrawarthy, D.Dobson, J.L.Durell, S.J.Freeman, D.T.Scholes, C.Scholey, E.S.Paul, P.T.W.Choy, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, A.Keenan, H.Kettunen, P.Kuusiniemi, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, P.Rahkila, J.Uusitalo, M.A.Bentley, D.T.Joss

Identification of Excited States in Doubly Odd 63140Eu77 by Recoil-Isomer Tagging

NUCLEAR REACTIONS 107Ag(36Ar, n2p), E=152, 181 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin; deduced production σ. 140Eu deduced high-spin levels, possible J, π, configurations, isomer T1/2. Jurosphere II array, recoil-isomer tagging.

doi: 10.1103/PhysRevC.66.034308
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2002EK01      Phys.Rev. C 66, 051301 (2002)

J.Ekman, D.Rudolph, C.Fahlander, I.Ragnarsson, C.Andreoiu, M.A.Bentley, M.P.Carpenter, R.J.Charity, R.M.Clark, M.Cromaz, P.Fallon, E.Ideguchi, A.O.Macchiavelli, M.N.Mineva, W.Reviol, D.G.Sarantites, D.Seweryniak, V.Tomov, S.J.Williams

Evidence for a 1g9/2 rotational band in 51Mn

NUCLEAR REACTIONS 28Si(32S, p2α), E=130 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 51Mn deduced high-spin levels, J, π, configurations. Gammasphere and Microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.66.051301
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2002JO20      Phys.Rev. C 66, 054311 (2002)

D.T.Joss, J.Simpson, R.D.Page, S.L.King, N.Amzal, D.E.Appelbe, T.Back, M.A.Bentley, B.Cederwall, J.F.C.Cocks, D.M.Cullen, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, A.Savelius, J.Uusitalo, D.D.Warner, S.J.Williams, R.Wyss

Yrast spectroscopy in the neutron-deficient nucleus 169Os

NUCLEAR REACTIONS 112Sn(60Ni, n2p), E=265 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 169Os deduced high-spin levels, J, π, configurations. Jurosphere array, recoil-decay tagging. Comparisons with neighboring nuclides and with model predictions.

doi: 10.1103/PhysRevC.66.054311
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2002OL01      Phys.Lett. 525B, 49 (2002)

C.D.O'Leary, M.A.Bentley, S.M.Lenzi, G.Martinez-Pinedo, D.D.Warner, A.M.Bruce, J.A.Cameron, M.P.Carpenter, C.N.Davids, P.Fallon, L.Frankland, W.Gelletly, R.V.F.Janssens, D.T.Joss, C.J.Lister, P.H.Regan, P.Reiter, B.Rubio, D.Seweryniak, C.E.Svensson, S.M.Vincent, S.J.Williams

Isovector Pairing in Odd-Odd N = Z 50Mn

NUCLEAR REACTIONS 24Mg(32S, npα), E=95 MeV; measured Eγ, Iγ, γγ-coin. 50Mn deduced high-spin levels, J, π. Gammasphere array.

NUCLEAR STRUCTURE 50Mn, 50Cr, 46V, 46Ti; analyzed levels Coulomb energy differences, pairing correlation energies vs spin. Shell model calculations.

doi: 10.1016/S0370-2693(01)01426-5
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2001CU02      Nucl.Phys. A682, 264c (2001)

D.M.Cullen, C.Scholey, C.Fox, A.J.Boston, E.S.Paul, H.C.Scraggs, S.L.Shepherd, O.Stezowski, T.Enqvist, P.A.Butler, A.M.Bruce, P.M.Walker, M.Caamano, J.Garces Narro, M.A.Bentley, D.T.Joss, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, M.Muikku, O.Dorvaux, P.Rahkila, J.Uusitalo, P.Nieminen

Recoil-Isomer Tagging Near the Mass 140 Proton Drip Line

NUCLEAR REACTIONS 92Mo(54Fe, n3p), (54Fe, np), E=226, 236 MeV; measured Eγ, Iγ(t), γγ-, (recoil)γ-coin. 142Tb, 144Ho deduced levels built on isomeric states. Recoil-isomer tagging technique.

doi: 10.1016/S0375-9474(00)00649-7
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2001JO11      Nucl.Phys. A689, 631 (2001)

D.T.Joss, S.L.King, R.D.Page, J.Simpson, A.Keenan, N.Amzal, T.Back, M.A.Bentley, B.Cederwall, J.F.C.Cocks, D.M.Cullen, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, A.Savelius, J.Uusitalo, S.J.Williams

Identification of Excited States in 167Os and 168Os: Shape coexistence at extreme neutron deficiency

NUCLEAR REACTIONS 112Sn(58Ni, 2p), (58Ni, n2p), E=266 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin. 167,168Os deduced high-spin levels, J, π, configurations, shape coexistence. Jurosphere spectrometer, gas-filled separator, cranked mean-field calculations.

doi: 10.1016/S0375-9474(00)00692-8
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2001LE31      Phys.Rev.Lett. 87, 122501 (2001)

S.M.Lenzi, N.Marginean, D.R.Napoli, C.A.Ur, A.P.Zuker, G.de Angelis, A.Algora, M.Axiotis, D.Bazzacco, N.Belcari, M.A.Bentley, P.G.Bizzeti, A.Bizzeti-Sona, F.Brandolini, P.von Brentano, D.Bucurescu, J.A.Cameron, C.Chandler, M.De Poli, A.Dewald, H.Eberth, E.Farnea, A.Gadea, J.Garces-Narro, W.Gelletly, H.Grawe, R.Isocrate, D.T.Joss, C.A.Kalfas, T.Klug, T.Lampman, S.Lunardi, T.Martinez, G.Martinez-Pinedo, R.Menegazzo, J.Nyberg, Zs.Podolyak, A.Poves, R.V.Ribas, C.Rossi Alvarez, B.Rubio, J.Sanchez-Solano, P.Spolaore, T.Steinhardt, O.Thelen, D.Tonev, A.Vitturi, W.von Oertzen, M.Weiszflog

Coulomb Energy Differences in T = 1 Mirror Rotational Bands in 50Fe and 50Cr

NUCLEAR REACTIONS 28Si(28Si, 2nα), (28Si, 2pα), E=110 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 50Fe, 50Cr deduced high-spin levels, J, π, Coulomb energy differences. Euroball, ISIS arrays. Comparison with shell model calculations.

doi: 10.1103/PhysRevLett.87.122501
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2001NI13      Phys.Rev. C64, 034313 (2001)

N.Nica, G.Duchene, V.E.Iacob, J.Dudek, F.A.Beck, Th.Byrski, D.Curien, G.de France, B.Haas, B.Kharraja, D.Prevost, C.Petrache, H.Savajols, J.P.Vivien, L.Han, K.Zuber, M.Aiche, M.M.Aleonard, J.F.Chemin, C.W.Beausang, S.Clarke, P.J.Dagnall, M.Smith, P.J.Twin, J.Simpson, M.A.Bentley

High-Spin States in 155Er

NUCLEAR REACTIONS 123Sb(37Cl, 5n), E=193 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 155Er deduced high-spin levels, J, π, δ, configurations, deformation. Eurogam II array. Tilted-Fermi-surface analysis.

doi: 10.1103/PhysRevC.64.034313
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2001SC09      Phys.Rev. C63, 034321 (2001)

C.Scholey, D.M.Cullen, E.S.Paul, A.J.Boston, P.A.Butler, T.Enqvist, C.Fox, H.C.Scraggs, S.L.Shepherd, O.Stezowski, A.M.Bruce, P.M.Walker, M.Caamano, J.Garces Narro, M.A.Bentley, D.T.Joss, O.Dorvaux, P.T.Greenlees, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, P.Rahkila, J.Uusitalo

Recoil Isomer Tagging in the Proton-Rich Odd-Odd N = 77 Isotones, 65142Tb and 67144Ho

NUCLEAR REACTIONS 92Mo(54Fe, np), (54Fe, n3p), E=226, 236 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 142Tb, 144Ho deduced high-spin levels, possible J, π, isomeric states T1/2, configurations, deformation. Jurosphere II array, recoil isomer tagging. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.034321
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2001SC14      Acta Phys.Pol. B32, 1005 (2001)

C.Scholey, D.M.Cullen, E.S.Paul, M.A.Bentley, A.J.Boston, A.M.Bruce, P.A.Butler, M.Caamano, O.Dorvaux, T.Enqvist, C.Fox, J.Garces Narro, P.T.Greenlees, K.Helariutta, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, P.Rahkila, H.C.Scraggs, S.L.Shepherd, O.Stezowski, J.Uusitalo, P.M.Walker

Recoil Isomer Tagging on Proton-Rich Odd-Odd N = 77 Isotones 142Tb and 144Ho

NUCLEAR REACTIONS 92Mo(54Fe, np), (54Fe, n3p), E=226, 236 MeV; measured prompt and delayed Eγ, Iγ, (recoil)γ-, γγ-coin. 142Tb, 144Ho deduced high spin levels, possible J, π. Jurosphere array, recoil isomer tagging.


2001WA02      Phys.Rev. C63, 014301 (2001)

D.Ward, C.E.Svensson, I.Ragnarsson, C.Baktash, M.A.Bentley, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, M.A.Deleplanque, M.Devlin, R.M.Diamond, P.Fallon, S.Flibotte, A.Galindo-Uribarri, D.S.Haslip, R.V.F.Janssens, T.Lampman, G.J.Lane, I.Y.Lee, F.Lerma, A.O.Macchiavelli, S.D.Paul, D.Radford, D.Rudolph, D.G.Sarantites, B.Schaly, D.Seweryniak, F.S.Stephens, O.Thelen, K.Vetter, J.C.Waddington, J.N.Wilson, C.-H.Yu

Band Structure of 68Ge

NUCLEAR REACTIONS 40Ca(32S, 4p), E=134 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 68Ge deduced high-spin levels, J, π, configurations, superdeformed band, terminating bands. Gammasphere, Microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.014301
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2000BE52      Phys.Rev. C62, 051303 (2000)

M.A.Bentley, S.J.Williams, D.T.Joss, C.D.O'Leary, A.M.Bruce, J.A.Cameron, M.P.Carpenter, P.Fallon, L.Frankland, W.Gelletly, C.J.Lister, G.Martinez-Pinedo, A.Poves, P.H.Regan, P.Reiter, B.Rubio, J.Sanchez Solano, D.Seweryniak, C.E.Svensson, S.M.Vincent, D.D.Warner

Mirror Symmetry at High Spin in 51Fe and 51Mn

NUCLEAR REACTIONS 24Mg(32S, pα), (32S, nα), E=95 MeV; measured Eγ, Iγ, γγ-coin. 51Fe, 51Mn deduced high-spin levels, J, π, band termination. Gammasphere array. Comparisons with model predictions.

doi: 10.1103/PhysRevC.62.051303
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2000BR38      Phys.Rev. C62, 027303 (2000)

A.M.Bruce, J.Simpson, D.D.Warner, C.Baktash, C.J.Barton, M.A.Bentley, M.J.Brinkman, R.A.Cunningham, E.Dragulescu, L.Frankland, T.N.Ginter, C.J.Gross, R.C.Lemmon, B.MacDonald, C.D.O'Leary, S.M.Vincent, R.Wyss, C.H.Yu, N.V.Zamfir

Two-Neutron Alignment and Shape Changes in 69As

NUCLEAR REACTIONS 40Ca(32S, 3p), E=105 MeV; measured Eγ, Iγ, γγ-coin. 69As deduced high-spin levels, J, π, configurations, deformation. Recoil mass spectrometer, cranked mean-field calculations.

doi: 10.1103/PhysRevC.62.027303
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2000OL06      Phys.Rev. C61, 064314 (2000)

C.D.O'Leary, M.A.Bentley, B.A.Brown, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj, A.C.Merchant

Nonyrast High-Spin States in N = Z 44Ti

NUCLEAR REACTIONS 24Mg(28Si, 2α), E=87 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-, (charged particle)γ-coin. 44Ti deduced high-spin levels, J, π, configurations, deformations. Comparison with shell model predictions.

doi: 10.1103/PhysRevC.61.064314
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2000SI26      Phys.Rev. C62, 024321 (2000)

J.Simpson, A.P.Bagshaw, A.Pipidis, M.A.Riley, M.A.Bentley, D.M.Cullen, P.J.Dagnall, G.B.Hagemann, S.L.King, R.W.Laird, J.C.Lisle, S.Shepherd, A.G.Smith, S.Tormanen, A.V.Afanasjev, I.Ragnarsson

Discrete Line γ-Ray Spectroscopy in the (50-60) (h-bar) Spin Domain of 161, 162Er

NUCLEAR REACTIONS 130Te(36S, 4n), (36S, 5n), E=170 MeV; measured Eγ, Iγ, γγ-coin. 161,162Er deduced high-spin levels, J, π, configurations, unpaired band crossings. Euroball array, cranked mean-field calculations.

doi: 10.1103/PhysRevC.62.024321
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2000SM03      Phys.Rev. C61, 034314 (2000)

M.B.Smith, D.E.Appelbe, P.J.Twin, C.W.Beausang, F.A.Beck, M.A.Bentley, D.M.Cullen, D.Curien, P.J.Dagnall, G.de France, G.Duchene, S.Erturk, Ch.Finck, B.Haas, I.M.Hibbert, J.C.Lisle, B.M.Nyako, C.D.O'Leary, C.Rigollet, H.Savajols, J.Simpson, O.Stezowski, J.Styczen, J.P.Vivien, K.Zuber

Deformed Rotational Cascades in 152Dy: Further evidence for shape coexistence at high spin

NUCLEAR REACTIONS 124Sn(34S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 120Sn(36S, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin, DSA. 152Dy deduced high-spin levels, J, π, T1/2, quadrupole moments, configurations, shape coexistence. Eurogam array. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.61.034314
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Data from this article have been entered in the XUNDL database. For more information, click here.


1999BE23      J.Phys.(London) G25, 599 (1999)

M.A.Bentley, C.D.O'Leary, A.Poves, G.Martinez-Pinedo, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj

Coulomb Effects in the f7/2 Shell

NUCLEAR REACTIONS 24Mg(28Si, n2p), (28Si, 2np), (28Si, pα), (28Si, nα), E=87 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 49Mn, 47,49Cr, 47V deduced levels Coulomb energy differences in rotational bands, effects on alignment properties. Comparison with shell model predictions.

doi: 10.1088/0954-3899/25/4/005
Citations: PlumX Metrics


1999OL01      Phys.Lett. 459B, 73 (1999)

C.D.O'Leary, M.A.Bentley, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj, J.A.Sheikh, D.D.Warner

Neutron-Proton Pairing, Coulomb Effects and Shape Coexistence in Odd-Odd N = Z 46V

NUCLEAR REACTIONS 24Mg(28Si, npα), E=87 MeV; measured Eγ, Iγ, γγ-, nγ-, (charged particle)γ-coin. 46V deduced high-spin levels, J, π, configurations, deformation. Shell-model, TRS calculations.

doi: 10.1016/S0370-2693(99)00656-5
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1999SV01      Phys.Rev.Lett. 82, 3400 (1999)

C.E.Svensson, D.Rudolph, C.Baktash, M.A.Bentley, J.A.Cameron, M.P.Carpenter, M.Devlin, J.Eberth, S.Flibotte, A.Galindo-Uribarri, G.Hackman, D.S.Haslip, R.V.F.Janssens, D.R.LaFosse, T.J.Lampman, I.Y.Lee, F.Lerma, A.O.Macchiavelli, J.M.Nieminen, S.D.Paul, D.C.Radford, P.Reiter, L.L.Riedinger, D.G.Sarantites, B.Schaly, D.Seweryniak, O.Thelen, H.G.Thomas, J.C.Waddington, D.Ward, W.Weintraub, J.N.Wilson, C.H.Yu, A.V.Afanasjev, I.Ragnarsson

Decay Out of the Doubly Magic Superdeformed Band in the N = Z Nucleus 60Zn

NUCLEAR REACTIONS 40Ca(28Si, 2α), E=125 MeV; 40Ca(32S, 3α), E=134 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 60Zn deduced high-spin levels, J, π, superdeformed band quadrupole moment, linking transitions, B(E2). Gammasphere, Microball arrays.

doi: 10.1103/PhysRevLett.82.3400
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1998BE69      Phys.Lett. 437B, 243 (1998); Erratum Phys.Lett. 451B, 445 (1999)

M.A.Bentley, C.D.O'Leary, A.Poves, G.Martinez-Pinedo, D.E.Appelbe, R.A.Bark, D.M.Cullen, S.Erturk, A.Maj

Mirror and Valence Symmetries at the Centre of the f7/2 Shell

NUCLEAR REACTIONS 24Mg(28Si, pα), (28Si, nα), (28Si, n2p), (28Si, 2np), E=87 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 47Cr, 47V deduced high-spin levels, J, π, band termination. 47,49Cr, 47V, 49Mn deduced Coulomb energy differences, deformation spin dependence. Shell model, liquid drop model calculations.

doi: 10.1016/S0370-2693(98)00969-1
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1998SI03      Eur.Phys.J. A 1, 267 (1998)

J.Simpson, M.A.Riley, R.W.Laird, D.J.Hartley, F.G.Kondev, J.Sweeney, A.N.Wilson, S.J.Gale, M.A.Bentley, A.M.Bruce, R.Chapman, R.M.Clark, D.M.Cullen, P.Fallon, P.D.Forsyth, S.J.Freeman, P.M.Jones, J.C.Lisle, A.O.Macchiavelli, J.F.Sharpey-Schafer, A.G.Smith, J.F.Smith, D.M.Thompson

High-K Quasiparticle Structures in 159Er and 160Er

NUCLEAR REACTIONS 116Cd(48Ca, 4n), (48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 159,160Er deduced high-spin levels, J, π, band structure, configurations, B(M1)/B(E2) ratios. Cranked shell model.

doi: 10.1007/s100500050061
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1997OL03      Phys.Rev.Lett. 79, 4349 (1997)

C.D.O'Leary, M.A.Bentley, D.E.Appelbe, D.M.Cullen, S.Erturk, R.A.Bark, A.Maj, T.Saitoh

Mirror Symmetry Up to the Band Termination in 49Mn and 49Cr

NUCLEAR REACTIONS 24Mg(28Si, n2p), (28Si, 2np), E=87 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 49Mn, 49Cr deduced high-spin levels, J, π, band structure, termination.

doi: 10.1103/PhysRevLett.79.4349
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Data from this article have been entered in the XUNDL database. For more information, click here.


1997SE06      Z.Phys. A358, 37 (1997)

M.Serris, C.T.Papadopoulos, R.Vlastou, C.A.Kalfas, S.Kossionides, N.Fotiades, S.Harissopulos, C.W.Beausang, M.J.Joyce, E.S.Paul, M.A.Bentley, S.Araddad, J.Simpson, J.F.Sharpey-Schafer

High Spin Structures of 122Xe

NUCLEAR REACTIONS 96Zr(30Si, 4n), E=135 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 122Xe deduced high-spin levels, J, π, mixing ratios, B(λ) ratios. Cranked shell model analysis.

doi: 10.1007/s002180050274
Citations: PlumX Metrics


1997SE09      Z.Phys. A358, 135 (1997)

M.Serris, C.T.Papadopoulos, R.Vlastou, C.A.Kalfas, S.Kossionides, N.Fotiades, S.Harissopulos, C.W.Beausang, M.J.Joyce, E.S.Paul, M.A.Bentley, J.Simpson, J.F.Sharpey-Schafer

Dipole structures in 122Xe

NUCLEAR REACTIONS 96Zr(30Si, 4n), E=135 MeV; measured Eγ, Iγ, γγ-coin. 122Xe deduced levels, J, π, configurations, B(M1)/B(E2) ratios.

doi: 10.1007/s002180050289
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1997SM11      Acta Phys.Hung.N.S. 6, 305 (1997)

M.B.Smith, D.E.Appelbe, C.W.Beausang, P.J.Twin, S.Asztalos, M.A.Bentley, R.M.Clark, D.M.Cullen, P.J.Dagnall, M.A.Deleplanque, R.M.Diamond, S.Erturk, P.Fallon, Ch.Finck, B.Haas, A.O.Macchiavelli, C.Rigollet, H.Savayols, O.Stezowski

The Search for Hyperdeformation in 152Dy

NUCLEAR REACTIONS 120Sn(37Cl, 4np), E=185, 190 MeV; 124Sn(34S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 152Dy deduced no clear evidence for hyperdeformed states.


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