NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = S.J.Freeman Found 166 matches. Showing 1 to 100. [Next]2023BE06 Phys.Rev.Lett. 130, 202501 (2023) S.A.Bennett, K.Garrett, D.K.Sharp, S.J.Freeman, A.G.Smith, T.J.Wright, B.P.Kay, T.L.Tang, I.A.Tolstukhin, Y.Ayyad, J.Chen, P.J.Davies, A.Dolan, L.P.Gaffney, A.Heinz, C.R.Hoffman, C.Muller-Gatermann, R.D.Page, G.L.Wilson Direct Determination of Fission-Barrier Heights Using Light-Ion Transfer in Inverse Kinematics NUCLEAR REACTIONS 2H(238U, F), E=8.6 MeV/nucleon; measured reaction products. 239U; deduced fission probability, fission barrier height. Comparison with GEF simulations. The ATLAS accelerator.
doi: 10.1103/PhysRevLett.130.202501
2023KU21 Phys.Rev. C 108, 044313 (2023) V.Kumar, R.Chapman, D.O'Donnell, J.Ollier, R.Orlandi, J.F.Smith, K.-M.Spohr, D.A.Torres, P.Wady, S.K.Tandel, S.J.Freeman, G.de Angelis, N.Marginean, D.R.Napoli, J.J.Valiente-Dobon, S.Aydin, E.Farnea, R.Marginean, D.Mengoni, T.Kroll, N.Thompson Evolution of nuclear structure in the neutron-rich 96, 97, 99Nb isotopes: Evidence for shape coexistence in N = 58 99Nb
doi: 10.1103/PhysRevC.108.044313
2022CH55 Phys.Rev. C 106, 064312 (2022) J.Chen, B.P.Kay, T.L.Tang, I.A.Tolstukhin, C.R.Hoffman, H.Li, P.Yin, X.Zhao, P.Maris, J.P.Vary, G.Li, J.L.Lou, M.L.Avila, Y.Ayyad, S.Bennett, D.Bazin, J.A.Clark, S.J.Freeman, H.Jayatissa, C.Muller-Gatermann, A.Munoz-Ramos, D.Santiago-Gonzalez, D.K.Sharp, A.H.Wuosmaa, C.X.Yuan Probing the quadrupole transition strength of 15C via deuteron inelastic scattering NUCLEAR REACTIONS 1H(15C, p), 2H(15C, d);E=7.1 MeV/nucleon; measured reaction products, Ep, Ip, deuteron spectrum; deduced elastic and inelastic scattering σ(θ). 15C; deduced B(E2), proton quadrupole matrix element, ratio of neutron and proton matrix elements, proton deformation length, core polarization parameters, neutron effective charge; calculated levels, J, π, B(E2), magnetic dipole moments. Comparison to data on 17O and other C isotopes. Ab initio no-core configuration interaction (NCCI) calculations with Daejeon16 interaction. HELIOS spectrometer at ATLAS in-flight facility (Argonne National Laboratory).
doi: 10.1103/PhysRevC.106.064312
2022KA36 Phys.Rev.Lett. 129, 152501 (2022) B.P.Kay, T.L.Tang, I.A.Tolstukhin, G.B.Roderick, A.J.Mitchell, Y.Ayyad, S.A.Bennett, J.Chen, K.A.Chipps, H.L.Crawford, S.J.Freeman, K.Garrett, M.D.Gott, M.R.Hall, C.R.Hoffman, H.Jayatissa, A.O.Macchiavelli, P.T.MacGregor, D.K.Sharp, G.L.Wilson Quenching of Single-Particle Strength in A = 15 Nuclei NUCLEAR REACTIONS 2H(14C, p), (14N, p), E=10 MeV/nucleon; measured reaction products, Ep, Ip. 15C, 15N; deduced σ(θ), Q-value, the difference between the neutron and proton separation energies, degree of quenching. Comparison with the independent single-particle and shell model calculations. The HELIOS spectrometer at the ATLAS facility at Argonne National Laboratory.
doi: 10.1103/PhysRevLett.129.152501
2021KA13 Phys.Rev. C 103, 024319 (2021) B.P.Kay, J.P.Schiffer, S.J.Freeman, T.L.Tang, B.D.Cropper, T.Faestermann, R.Hertenberger, J.M.Keatings, P.T.MacGregor, J.F.Smith, H.-F.Wirth Consistency of nucleon-transfer sum rules in well-deformed nuclei NUCLEAR REACTIONS 154,156,157,158Gd, 156,158,160,162,164Dy, 168,170,172,174Yb, 162,164,166,168,170Er(d, p), (d, t), E=12.1 MeV; analyzed cross section data from neutron-adding and neutron-removing reactions from experiments at Niels Bohr Institute (NBI), and reported in 1966Bu16, 1967Tj01, 1969Tj01 and 1970Gr46, and complemented by new experiments at MLL-Munich; deduced consistent nucleon-transfer sum rules, as defined in Nilsson-model framework, in well-deformed nuclei. NUCLEAR REACTIONS 170Er, 174Yb(d, p), (d, t), E=12 MeV; 170Er, 174Yb(p, d), E=18 MeV; measured proton, triton and deuteron spectra, differential σ(θ) using Q3D magnetic spectrometer at the MLL-Munich MP tandem accelerator. 169,171Er, 173,175Yb; deduced levels, J, π, Nilsson configurations, sum rules.
doi: 10.1103/PhysRevC.103.024319
2021MA72 Phys.Rev. C 104, L051301 (2021) P.T.MacGregor, D.K.Sharp, S.J.Freeman, C.R.Hoffman, B.P.Kay, T.L.Tang, L.P.Gaffney, E.F.Baader, M.J.G.Borge, P.A.Butler, W.N.Catford, B.D.Cropper, G.de Angelis, J.Konki, Th.Kroll, M.Labiche, I.H.Lazarus, R.S.Lubna, I.Martel, D.G.McNeel, R.D.Page, O.Poleshchuk, R.Raabe, F.Recchia, J.Yang Evolution of single-particle structure near the N=20 island of inversion NUCLEAR REACTIONS 2H(28Mg, p)29Mg, E=9.47 MeV/nucleon, [secondary 28Mg beam from Si(p, X), E=1.4 GeV, followed resonant ionization by the resonance ionization laser ion source (RILIS), and mass separated and injected into an ion trap at the HIE-ISOLDE-CERN Linac facility]; measured E(p), I(p), σ(θ) using ISOLDE Solenoidal Spectrometer. 29Mg; deduced levels, J, π, L-transfers, spectroscopic factors, vacancies deduced from summed spectroscopic factors, binding energies of single-particle centroids. Comparison with shell-model calculations. Detailed σ(θ) data are tabulated in the Supplemental Material.
doi: 10.1103/PhysRevC.104.L051301
2021SZ03 Phys.Rev. C 104, 054308 (2021) S.V.Szwec, D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, P.Adsley, C.Binnersley, N.de Sereville, T.Faestermann, R.F.Garcia Ruiz, F.Hammache, R.Hertenberger, A.Meyer, C.Portail, I.Stefan, A.Vernon, S.Wilkins, H.-F.Wirth Neutron occupancies and single-particle energies across the stable tin isotopes NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(p, d)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=21 MeV; 112,114,116,118,120,122,124Sn(3He, α)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=36 MeV; 112,114,116,118,120,122,124Sn(d, p)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=15 MeV; 112,114,116,118,120,122,124Sn(α, 3He)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=41 MeV; measured E(d), I(d), Eα, Iα, E(p), I(p), E(3He), I(3He), differential σ(θ) and analyzed by DWBA calculations; analyzed proton, deuteron, 3He and α spectra using Munich Q3D spectrometer at MLL accelerator facility for (p, d) and (d, p) reactions, and Enge split-pole spectrometer for (3He, α), (α, 3He) reactions at the IJClab of Tandem-Alto facility of Laboratoire de Physique. 112,114,116,118,120,122,124Sn; deduced levels, J, π, L-transfers, spectroscopic factors, summed neutron strengths, fractional occupancies and effective single-particle energies for 2s1/2, 1d3/2, 1d5/2, 0g7/2, and 0h11/2 neutron orbitals. Detailed cross sections at different angles, particle spectra, absolute cross sections and spectroscopic factors are given in the Supplemental Material of the paper.
doi: 10.1103/PhysRevC.104.054308
2020HO05 Phys.Rev. C 101, 034309 (2020) A.M.Howard, S.J.Freeman, D.K.Sharp, T.Bloxham, J.A.Clark, C.M.Deibel, B.P.Kay, P.D.Parker, J.P.Schiffer, J.S.Thomas Neutron-hole strength in N=81 nuclei NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(p, d), E=23 MeV; 138Ba, 140Ce, 142Nd, 144Sm(3He, α), E=34 MeV; measured Ed, Id, Eα, Iα, σ(θ) using the Enge split-pole spectrograph and multi-wire gas proportional counter backed by plastic scintillator at the tandem Van de Graaff accelerator of Yale University. 137Ba, 139Ce, 141Nd, 143Sm; deduced levels, J, π, L-transfer, configurations, spectroscopic factors, proton occupancies, neutron hole strengths and centroids, summed strengths. DWBA analysis. Comparison with predictions of particle-vibration coupling calculations.
doi: 10.1103/PhysRevC.101.034309
2020TA03 Phys.Rev.Lett. 124, 062502 (2020) T.L.Tang, B.P.Kay, C.R.Hoffman, J.P.Schiffer, D.K.Sharp, L.P.Gaffney, S.J.Freeman, M.R.Mumpower, A.Arokiaraj, E.F.Baader, P.A.Butler, W.N.Catford, G.de Angelis, F.Flavigny, M.D.Gott, E.T.Gregor, J.Konki, M.Labiche, I.H.Lazarus, P.T.MacGregor, I.Martel, R.D.Page, Zs.Podolyak, O.Poleshchuk, R.Raabe, F.Recchia, J.F.Smith, S.V.Szwec, J.Yang First Exploration of Neutron Shell Structure below Lead and beyond N=126 NUCLEAR REACTIONS 2H(206Hg, p), E=7.38 MeV/nucleon; measured reaction products, Ep, Ip. 207Hg; deduced excitation energies, J, π, σ(θ). Comparison with theoretical calculations.
doi: 10.1103/physrevlett.124.062502
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
2019SH28 Phys.Rev. C 100, 024329 (2019) D.K.Sharp, S.J.Freeman, B.D.Cropper, P.J.Davies, T.Faestermann, T.M.Hatfield, R.Hertenberger, S.J.F.Hughes, P.T.MacGregor, H.-F.Wirth Pairing properties of the double-β emitter 116Cd NUCLEAR REACTIONS 114,116Cd(p, t), E=22 MeV; measured triton spectra, σ(8° and 15°) using Q3D spectrograph at the MP tandem accelerator facility in Munich. 112,114Cd; deduced levels, 0+ states from ratios of cross sections at 8° and 15° and DWBA analysis, relative populations. Comparison with previous data for 0+ states in 116,118Sn from 114,116Cd(3He, n) reactions. Discussed pairing properties of the 0νββ decay of 116Cd.
doi: 10.1103/PhysRevC.100.024329
2019TO10 Eur.Phys.J. A 55, 158 (2019) D.A.Torres, R.Chapman, V.Kumar, B.Hadinia, A.Hodsdon, M.Labiche, X.Liang, D.O'Donnell, J.Ollier, R.Orlandi, J.F.Smith, K.-M.Spohr, P.Wady, Z.M.Wang, L.Corradi, E.Fioretto, A.Gadea, G.de Angelis, N.Marginean, D.R.Napoli, E.Sahin, A.M.Stefanini, J.J.Valiente-Dobon, F.D.Vedova, M.Axiotis, T.Martinez, S.Szilner, D.Bazzacco, S.Beghini, E.Farnea, R.Marginean, D.Mengoni, G.Montagnoli, F.Recchia, F.Scarlassara, C.A.Ur, S.M.Lenzi, S.Lunardi, T.Kroll, F.Haas, T.Faul, M.Hjorth-Jensen, B.G.Carlsson, S.J.Freeman, A.G.Smith, G.Jones, N.Thompson, G.Pollarolo, G.S.Simpson Study of medium-spin states of neutron-rich 87, 89, 91Rb isotopes NUCLEAR REACTIONS 124Sn(96Zr, f), (96Zr, x)87,89,91Rb, E=530 MeV; measured Eγ, Iγ of fission fragments γ-ray decay; 176Yb(36S, x), (36S, f)87,89,91Rb, E=230 MeV; measured thick target Eγ, Iγ of fission fragments γ-ray decay. 87,89,91Rb; deduced γ-ray energy spectrum, new scheme of levels, Jπ, (up to 6423 keV (27/2)+ state), γ-ray transitions; calculated multipolarities, energy differences between (5/2)- and (3/2)- states for odd-A Rb isotopes using spherical shell-model and cranked Nilsson-Strutinsky-Bogoliubov approach.
doi: 10.1140/epja/i2019-12839-6
2019WR01 Eur.Phys.J. A 55, 130 (2019) K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.
doi: 10.1140/epja/i2019-12815-2
2018WA22 Phys.Rev. C 98, 024313 (2018) R.Wadsworth, N.S.Kelsall, D.G.Jenkins, I.Ragnarsson, S.M.Fischer, D.P.Balamuth, P.A.Hausladen, G.C.Ball, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Seweryniak, R.M.Clark, P.Fallon, A.O.Macchiavelli, C.E.Svensson, S.J.Freeman, D.G.Sarantites Terminating states in the positive-parity structures of 67As NUCLEAR REACTIONS 40Ca(36Ar, p2α), E=145 MeV; measured Eγ, Iγ, γγ- and (particle)γ-coin, γγ(θ)(DCO) using Gammasphere array for γ detection, and MICROBALL CsI array for charged particles at ATLAS-ANL facility. 67As; deduced levels, J, π, multipolarities, bands, and noncollective terminating states; calculated tilted Fermi-surface plots for protons and neutrons. Comparison with configuration dependent cranked Nilsson-Strutinsky calculations.
doi: 10.1103/PhysRevC.98.024313
2017FR08 Phys.Rev. C 96, 054325 (2017) S.J.Freeman, D.K.Sharp, S.A.McAllister, B.P.Kay, C.M.Deibel, T.Faestermann, R.Hertenberger, A.J.Mitchell, J.P.Schiffer, S.V.Szwec, J.S.Thomas, H.-F.Wirth Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double-β decay in 100Mo NUCLEAR REACTIONS 98,100Mo, 100,102Ru(d, p), (p, d), (3He, α), (3He, d), E(d)=15 MeV, E(p)=24 MeV, E(3He)=36 MeV; measured light-ion particle spectra, cross sections, angular distributions using Q3D magnetic spectrometer at Munich MP tandem accelerator facility. Enriched targets. 97,99,101Mo, 99,101,103Ru, 99,101Tc, 101,103Rh; deduced levels, L-transfers, J, π, spectroscopic factors, cross section ratios. DWBA analysis of σ(θ) data. 98,100Mo, 100,102Ru; deduced neutron occupancies from neutron-removing reactions, and proton vacancies from (3He, d) reaction. 100Mo, 100Ru; deduced neutron occupancy and proton vacancy for the valence orbits, and compared to predictions from interacting boson model (IBM), and two different Woods-Saxon calculations. See Supplemental Material (reference 46 in the paper) for details of experimental cross section data and spectroscopic factors for individual states in final nuclei. RADIOACTIVITY 100Mo(2β-); deduced detailed quantitative assessment of rearrangements of protons and neutrons amongst the valence single-particle orbitals during double-β decay process, with relevance to nuclear matrix element for 0νββ and 2νββ decay modes.
doi: 10.1103/PhysRevC.96.054325
2017VO01 Phys.Rev. C 95, 024316 (2017) A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, K.Hadynska-Klek, J.J.Valiente-Dobon, C.Wheldon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, B.Fu, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, L.Lewandowski, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Radeck, F.Recchia, P.H.Regan, D.Rosiak, N.Saed-Samii, E.Sahin, F.Scarlassara, D.Schneiders, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.D.Warner, A.Wiens, C.Y.Wu, K.O.Zell Isomers and high-spin structures in the N=81 isotones 135Xe and 137Ba NUCLEAR REACTIONS 238U(136Xe, X), E=1 GeV; 208Pb(136Xe, X), E=930 MeV; 198Pt(136Xe, X), E=850 MeV; 130Te(11B, 3np)137Ba, E=54 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γγ-coin, (TKEL)γ-coin, half-lives of isomers by γγ(t). Four experiments carried out using 136Xe beam with 208Pb and 238U targets using PRISMA magnetic mass spectrometer and AGATA demonstrator array at Legnaro PIAVE+ALPI accelerator, 136Xe beam with 198Pt target using GAMMASPHERE and CHICO particle detector arrays at LBNL-cyclotron facility, and 11B beam with 130Te target using HORUS array at Cologne FN Tandem accelerator. 135Xe, 137Ba; deduced levels, J, π, isomers, configurations, B(E2). Comparison with shell-model calculations. Systematics of levels and isomers in N=81 nuclides 131Sn, 133Te, 135Xe, 137Ba, 139Ce, 141Nd, 143Sm and 145Gd. NUCLEAR STRUCTURE 135Xe, 137Ba; calculated levels, J, π, B(E2) using large-scale shell-model with PQM130 and SN100PN interactions, average proton occupation numbers in each single particle orbit of the gdsh model space. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024316
2017VO06 Phys.Rev. C 96, 024321 (2017) A.Vogt, M.Siciliano, B.Birkenbach, P.Reiter, K.Hadynska-Klek, C.Wheldon, J.J.Valiente-Dobon, E.Teruya, N.Yoshinaga, K.Arnswald, D.Bazzacco, A.Blazhev, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, C.Fransen, S.J.Freeman, B.Fu, A.Gadea, W.Gelletly, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, R.Hetzenegger, R.Hirsch, H.Hua, P.R.John, J.Jolie, A.Jungclaus, V.Karayonchev, L.Kaya, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, C.Muller-Gatermann, D.Napoli, C.J.Pearson, Zs.Podolyak, G.Pollarolo, A.Pullia, M.Queiser, F.Recchia, P.H.Regan, J.-M.Regis, N.Saed-Samii, E.Sahin, F.Scarlassara, M.Seidlitz, B.Siebeck, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, D.D.Warner, K.Wolf, C.Y.Wu, K.O.Zell High-spin structures in 132Xe and 133Xe and evidence for isomers along the N=79 isotones NUCLEAR REACTIONS 208Pb(136Xe, X)132Xe/133Xe, E=6.84 MeV/nucleon from the PIAVE+ALPI accelerator complex at LNL-Legnaro; 198Pt(136Xe, X)132Xe/133Xe, E=6.25 MeV/nucleon from the LBNL cyclotron facility; 130Te(α, nγ), (α, 2nγ), E=19 MeV from Cologne FN Tandem accelerator; measured Eγ, Iγ, γγ-, (particle)γ-coin using Advanced GAmma Tracking Array (AGATA) in a demonstrator configuration, and magnetic spectrometer PRISMA for particle identification, (particle)γ-coin using Gammasphere array and CHICO gas-detector array, γγ(θ) using HORUS array at Cologne. 132,133Xe; deduced high-spin levels, J, π, half-life of a micro-sec isomer in 133Xe with Jπ=(23/2+), multipolarities, mixing ratios. Comparison with shell-model calculations using PQM130 and SN100PN interactions. Systematics of level energies in N=78 and 79 isotones from Z=50 to 64, and even-A A=120-136 Xe isotopes.
doi: 10.1103/PhysRevC.96.024321
2016BA04 Phys.Rev. C 93, 014313 (2016) T.Baugher, A.Gade, R.V.F.Janssens, S.M.Lenzi, D.Bazin, M.P.Carpenter, C.J.Chiara, A.N.Deacon, S.J.Freeman, G.F.Grinyer, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, E.M.Lunderberg, S.McDaniel, K.C.Meierbachtol, A.Ratkiewicz, S.R.Stroberg, K.A.Walsh, D.Weisshaar, S.Zhu In-beam γ spectroscopy of 63Mn NUCLEAR REACTIONS 9Be(63Mn, 63Mn'), E=84 meV/nucleon, [secondary 63Mn from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction]; measured Eγ, Iγ, (63Mn)γ-, γγ-coin, level half-lives by Doppler line-shape analysis using SeGA and GRETINA arrays for γ detection, A1900 fragment separator and S-800 spectrograph at NSCL-MSU accelerator facility; recreated Doppler-corrected γ spectra. 63Mn; deduced levels, J, π, B(M1), B(E2). Comparison with large-scale shell-model calculations using different model spaces and effective interactions. Systematics of 59,61,63Mn level structures.
doi: 10.1103/PhysRevC.93.014313
2016BU27 Acta Phys.Pol. B47, 627 (2016) P.A.Butler, R.D.Page, K.Blaum, M.Grieser, T.Davinson, P.J.Woods, K.Flanagan, S.J.Freeman, I.H.Lazarus, Yu.A.Litvinov, R.Raabe, E.Siesling, F.Wenander TSR: A Storage Ring for HIE-ISOLDE
doi: 10.5506/APhysPolB.47.627
2016EN04 Phys.Rev. C 93, 064312 (2016) J.P.Entwisle, B.P.Kay, A.Tamii, S.Adachi, N.Aoi, J.A.Clark, S.J.Freeman, H.Fujita, Y.Fujita, T.Furuno, T.Hashimoto, C.R.Hoffman, E.Ideguchi, T.Ito, C.Iwamoto, T.Kawabata, B.Liu, M.Miura, H.J.Ong, J.P.Schiffer, D.K.Sharp, G.Susoy, T.Suzuki, S.V.Szwec, M.Takaki, M.Tsumura, T.Yamamoto Change of nuclear configurations in the neutrinoless double-β decay of 130Te → 130Xe and 136Xe → 136Ba NUCLEAR REACTIONS 128,130Te, 130,132,134,136Xe, 136,138Ba(d, 3He), E=101 MeV; measured Ed, Id, σ(θ) using Grand Raiden (GR) spectrometer at RCNP-Osaka cyclotron facility. 127,129Sb, 129,131,133,135I, 135,137Cs; deduced levels, L-transfers, spectroscopic factors. DWBA and optical model analysis. 128,130Te, 130,132,134,136Xe, 136,138Ba; deduced ground state proton occupancies. Comparison with shell-model and interacting boson-model calculations. RADIOACTIVITY 130Te, 136Xe(2β-); deduced change in the configuration of valence protons between the initial and final states in the 0νββ decay mode from measurements of the cross sections in (d, 3He) reaction, nuclear matrix elements.
doi: 10.1103/PhysRevC.93.064312
2016SZ03 Phys.Rev. C 94, 054314 (2016) S.V.Szwec, B.P.Kay, T.E.Cocolios, J.P.Entwisle, S.J.Freeman, L.P.Gaffney, V.Guimaraes, F.Hammache, P.P.McKee, E.Parr, C.Portail, J.P.Schiffer, N.de Sereville, D.K.Sharp, J.F.Smith, I.Stefan Rearrangement of valence neutrons in the neutrinoless double-β decay of 136Xe NUCLEAR REACTIONS 134Ba(d, p), E=15 MeV; 134Ba(α, 3He), E=40.1 MeV; 136Ba(p, d), E=23 MeV; 134Ba(3He, α), E=32.0 MeV; measured outgoing proton, deuteron, 3He and α spectra, σ(θ) using an Enge split-pole spectrometer at the ALTO Tandem accelerator at IPN-Orsay. DWBA analysis using PTOLEMY code. 135Ba; deduced levels, J, π. 136Xe, 134,136Ba; deduced ground-state neutron occupancies. Comparisons with theoretical calculations using various nuclear-structure models. Relevance to initial and final state in the 0νββ decay mode of 136Xe.
doi: 10.1103/PhysRevC.94.054314
2016TA23 Phys.Rev. C 94, 064304 (2016) S.K.Tandel, P.Chowdhury, F.G.Kondev, R.V.F.Janssens, T.L.Khoo, M.P.Carpenter, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Zhu, A.Deacon, S.J.Freeman, N.J.Hammond, G.D.Jones, E.F.Moore, J.F.Smith Configurations and decay hindrances of high-K states in 180Hf NUCLEAR REACTIONS 180Hf(207Pb, X), E=1.4 GeV; measured Eγ, Iγ, γγ-coin, delayed γ, level and isomer half-lives by γγ(t) and centroid-shift method using Gammasphere array and heavy-ion detector CHICO at ATLAS-ANL facility. 180Hf; deduced high-spin levels, J, π, 2- and 4-qp states, multi-quasiparticle high-K states, rotational bands, reduced hindrances for E1, E2, E3, M1 and M2 transitions from isomers, (gK-gR)/Q0 as function of Jπ, configurations. Comparison with theoretical calculations using Lipkin-Nogami approach for pairing, with blocking included. Systematics of high-K states in 180Hf, 180,182W, and 182,184Os.
doi: 10.1103/PhysRevC.94.064304
2016VO04 Phys.Rev. C 93, 054325 (2016) A.Vogt, B.Birkenbach, P.Reiter, A.Blazhev, M.Siciliano, J.J.Valiente-Dobon, C.Wheldon, D.Bazzacco, M.Bowry, A.Bracco, B.Bruyneel, R.S.Chakrawarthy, R.Chapman, D.Cline, L.Corradi, F.C.L.Crespi, M.Cromaz, G.de Angelis, J.Eberth, P.Fallon, E.Farnea, E.Fioretto, S.J.Freeman, A.Gadea, K.Geibel, W.Gelletly, A.Gengelbach, A.Giaz, A.Gorgen, A.Gottardo, A.B.Hayes, H.Hess, H.Hua, P.R.John, J.Jolie, A.Jungclaus, W.Korten, I.Y.Lee, S.Leoni, X.Liang, S.Lunardi, A.O.Macchiavelli, R.Menegazzo, D.Mengoni, C.Michelagnoli, T.Mijatovic, G.Montagnoli, D.Montanari, D.Napoli, C.J.Pearson, L.Pellegri, Zs.Podolyak, G.Pollarolo, A.Pullia, F.Radeck, F.Recchia, P.H.Regan, E.Sahin, F.Scarlassara, G.Sletten, J.F.Smith, P.-A.Soderstrom, A.M.Stefanini, T.Steinbach, O.Stezowski, S.Szilner, B.Szpak, R.Teng, C.Ur, V.Vandone, D.Ward, D.D.Warner, A.Wiens, C.Y.Wu High-spin structure of 134Xe NUCLEAR REACTIONS 198Pt(136Xe, 134Xe), E=850 MeV; 208Pb(136Xe, 134Xe), E=930 MeV; 238U(136Xe, 134Xe), E=1 GeV; measured Eγ, Iγ, γγ-coin, γ(θ), time-of-flight total kinetic energy loss (TKEL) using Gammasphere and Chico arrays at LBNL cyclotron facility for the 198Pt+136Xe reaction, and PRISMA spectrometer, Dante and AGATA arrays at PIAVE+ALPI accelerator complex for the 208Pb+136Xe and 238U+136Xe reactions. 134Xe; deduced high-spin levels, J, π, multipolarity, configurations. Comparison with shell-model calculations using the jj55 effective interaction.
doi: 10.1103/PhysRevC.93.054325
2015GA19 Phys.Rev. C 91, 064313 (2015) L.P.Gaffney, A.P.Robinson, D.G.Jenkins, A.N.Andreyev, M.Bender, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, T.E.Cocolios, T.Davinson, A.N.Deacon, H.De Witte, D.DiJulio, J.Diriken, A.Ekstrom, Ch.Fransen, S.J.Freeman, K.Geibel, T.Grahn, B.Hadinia, M.Hass, P.-H.Heenen, H.Hess, M.Huyse, U.Jakobsson, N.Kesteloot, J.Konki, Th.Kroll, V.Kumar, O.Ivanov, S.Martin-Haugh, D.Mucher, R.Orlandi, J.Pakarinen, A.Petts, P.Peura, P.Rahkila, P.Reiter, M.Scheck, M.Seidlitz, K.Singh, J.F.Smith, J.Van de Walle, P.Van Duppen, D.Voulot, R.Wadsworth, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska, M.Zielinska Collectivity in the light radon nuclei measured directly via Coulomb excitation NUCLEAR REACTIONS 109Ag, 120Sn(202Rn, 202Rn'), (204Rn, 204Rn'), E=2.845, 2.90, 2.28 MeV, [secondary 202,204Rn beams from U(p, X), E=1.4 GeV from Proton Synchrotron Booster, REX-TRAP, REX-EBIS and REX-LINAC at ISOLDE-CERN facility]; measured scattered heavy ion spectra, Eγ, Iγ, (particle)γ-coin using Miniball array. Coulomb excitation. 202,204Rn; deduced levels, E2 matrix elements, spectroscopic quadrupole moment, B(E2). GOSIA analysis of experimental data for 202,204Rn and 109Ag, 120Sn from Coulomb excitation. Comparison with state-of-the-art beyond-mean-field model calculations. Systematics of energies and transition quadrupole moments of yrast states, B(E2) and quadrupole deformation for first 2+ states in 198,200,202,204,206,208,210,212Rn.
doi: 10.1103/PhysRevC.91.064313
2015WA02 Phys.Lett. B 740, 243 (2015) P.T.Wady, J.F.Smith, B.Hadinia, D.M.Cullen, S.J.Freeman, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, B.M.McGuirk, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, S.V.Rigby, C.Scholey, J.Uusitalo, R.Wadsworth High-spin states beyond the proton drip-line: Quasiparticle alignments in 113Cs NUCLEAR REACTIONS 58Ni(58Ni, X)113Cs, E=230 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, deformations. Calculated Quasiparticle Routhians from Woods-Saxon cranked-shell model for neutrons and protons.
doi: 10.1016/j.physletb.2014.11.045
2014BR05 Phys.Rev.Lett. 112, 162701 (2014) N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.
doi: 10.1103/PhysRevLett.112.162701
2013KA04 Phys.Rev. C 87, 011302 (2013) B.P.Kay, T.Bloxham, S.A.McAllister, J.A.Clark, C.M.Deibel, S.J.Freedman, S.J.Freeman, K.Han, A.M.Howard, A.J.Mitchell, P.D.Parker, J.P.Schiffer, D.K.Sharp, J.S.Thomas Valence neutron properties relevant to the neutrinoless double-β decay of 130Te NUCLEAR REACTIONS 128,130Te(p, d), E=23 MeV; 128,130Te, 130,132Xe(d, p), E=15 MeV; 128,130Te, 130,132Xe(α, 3He), E=50 MeV; 130Te(3He, α), E=40 MeV; 132Xe(p, t), E=23 MeV; measured deuteron, proton, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale Tandem accelerator facility. 127,129,131Te, 130,131,133Xe; deduced levels, J, π, L-transfers. 128,130Te, 130,132Xe; deduced neutron vacancies for active orbitals. Comparison with calculations within both the quasiparticle random-phase approximation and shell-model frameworks. Discussed relevance to neutrinoless double β decay of 130Te.
doi: 10.1103/PhysRevC.87.011302
2013KA14 Acta Phys.Pol. B44, 349 (2013) B.P.Kay, M.Alcorta, B.B.Back, S.Bedoor, P.F.Bertone, S.I.Baker, J.A.Clark, C.M.Deibel, B.J.DiGiovine, S.J.Freeman, C.R.Hoffman, H.Y.Lee, J.C.Lighthall, A.Macchiavelli, S.T.Marley, P.Muller, R.Pardo, K.E.Rehm, A.Rojas, A.M.Rogers, J.Rohrer, D.Santiago-Gonzalez, J.P.Schiffer, D.K.Sharp, D.V.Shetty, J.S.Thomas, I.Wiedenhover, A.H.Wuosmaa Transfer Reactions and the Structure of Neutron-rich Nuclei
doi: 10.5506/APhysPolB.44.349
2013KA36 Phys.Rev.Lett. 111, 042502 (2013) B.P.Kay, J.P.Schiffer, S.J.Freeman Quenching of Cross Sections in Nucleon Transfer Reactions
doi: 10.1103/PhysRevLett.111.042502
2013RO10 Phys.Rev. C 87, 051305 (2013) A.Roberts, A.M.Howard, J.J.Kolata, A.N.Villano, F.D.Becchetti, P.A.DeYoung, M.Febbraro, S.J.Freeman, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, J.S.Thomas, R.O.Torres-Isea Proton pair correlations and the neutrinoless double-β decay of 76Ge NUCLEAR REACTIONS 74,76Ge(3He, n), E=16 MeV; measured E(n), I(n), time-of-flight, σ(θ) for g.s. and first 2+ state using the Neutron Wall at Notre Dame. 76,78Se; deduced levels, proton pair correlations. DWBA analysis. Comparison with quasiparticle random phase approximation (QRPA) model calculations. Relevance to matrix elements for 0νββ decay of 76Ge. Systematics of ground-state cross sections on fpg-shell nuclei of A=60-90, and comparison with theoretical models. No evidence for the breaking of the BCS approximation for paired protons.
doi: 10.1103/PhysRevC.87.051305
2013SC06 Phys.Rev. C 87, 034306 (2013) J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, M.Honma, A.M.Howard, A.J.Mitchell, T.Otsuka, P.D.Parker, D.K.Sharp, J.S.Thomas Valence nucleon populations in the Ni isotopes NUCLEAR REACTIONS 58,60,62,64Ni(d, p), E=10 MeV; 58,60,62,64Ni(α, 3He), (α, t), E=38 MeV; 58,60,62,64Ni(p, d), E=28 MeV; 58,60,62,64Ni(3He, d), E=18 MeV; 58,60,62,64Ni(3He, α), E=25 MeV; measured proton, deuteron, triton, 3He, α spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale tandem accelerator facility. 57,59,61,63,65Ni, 59,61,63,65Cu; deduced levels, J, π, l-transfers, spectroscopic factors. DWBA analysis. 58,60,62,64Ni; deduced neutron occupancies, proton vacancies, energy centroids of the neutron, neutron-hole, and proton single-particle excitations. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.87.034306
2013SH02 Phys.Rev. C 87, 014312 (2013) D.K.Sharp, B.P.Kay, J.S.Thomas, S.J.Freeman, J.P.Schiffer, B.B.Back, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, T.Otsuka, P.D.Parker, K.E.Rehm, D.V.Shetty, A.H.Wuosmaa Neutron single-particle strength outside the N=50 core NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV; 88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured proton and 3He spectra, σ(θ) using Enge-split pole magnetic spectrograph at Yale. 2H(86Kr, p), E=10 MeV/nucleon; measured proton spectra, σ(θ) using HELIOS spectrometer at ANL. 87Kr, 89Sr, 91Zr, 93Mo; deduced levels, J, π, absolute σ, L-transfers, spectroscopic factors, centroids of single-particle strengths. DWBA analysis.
doi: 10.1103/PhysRevC.87.014312
2012BA31 Phys.Rev. C 86, 011305 (2012), Erratum Phys.Rev. C 86, 049902 (2012) T.Baugher, A.Gade, R.V.F.Janssens, S.M.Lenzi, D.Bazin, B.A.Brown, M.P.Carpenter, A.N.Deacon, S.J.Freeman, T.Glasmacher, G.F.Grinyer, F.G.Kondev, S.McDaniel, A.Poves, A.Ratkiewicz, E.A.McCutchan, D.K.Sharp, I.Stefanescu, K.A.Walsh, D.Weisshaar, S.Zhu Intermediate-energy Coulomb excitation of 58, 60, 62Cr: The onset of collectivity toward N=40 NUCLEAR REACTIONS 197Au(58Cr, 58Cr'), E=81.1 MeV/nucleon; 197Au(60Cr, 60Cr'), E=81.7 MeV/nucleon; 209Bi(62Cr, 62Cr'), E=79.0 MeV/nucleon; measured scattered projectile spectra, energy loss, time-of-flight, Eγ, Iγ, (particle)γ-coin using SeGA array at NSCL facility, integrated cross section, GEANT-4 simulations. Intermediate Coulomb excitation using secondary Cr beams from 9Be(76Ge, X), E=130 MeV/nucleon primary reaction. 58,60,62Cr, 197Au; deduced levels, B(E2) of first 2+ state in Cr nuclei and a level in 197Au, ratio of neutron and proton transition matrix elements Mn/Mp. 62Cr; measured half-life of first 2+ state by Doppler shift and line-shape method. Systematics of energies and B(E2) values of first 2+ states in even-even N=22-40 Ni, Fe and Cr isotopes. Comparison with shell model calculations in the fpgd space using the state-of-the-art LNPS effective interaction.
doi: 10.1103/PhysRevC.86.011305
2012FR10 J.Phys.(London) G39, 124004 (2012) Constraining the 0ν2β matrix elements by nuclear structure observables RADIOACTIVITY 76Ge, 130Te, 100Mo, 150Nd, 136Xe(2β-); analyzed available data; deduced reliability of nuclear matrix element calculations.
doi: 10.1088/0954-3899/39/12/124004
2012HO11 Phys.Rev. C 85, 054318 (2012) C.R.Hoffman, B.B.Back, B.P.Kay, J.P.Schiffer, M.Alcorta, S.I.Baker, S.Bedoor, P.F.Bertone, J.A.Clark, C.M.Deibel, B.DiGiovine, S.J.Freeman, J.P.Greene, J.C.Lighthall, S.T.Marley, R.C.Pardo, K.E.Rehm, A.Rojas, D.Santiago-Gonzalez, D.K.Sharp, D.V.Shetty, J.S.Thomas, I.Wiedenhover, A.H.Wuosmaa Experimental study of the 19O(d, p)20O reaction in inverse kinematics NUCLEAR REACTIONS 2H(19O, p), [19O secondary beam from 2H(18O, 19O), E=8.06 MeV/nucleon primary reaction], E=6.61 MeV/nucleon; measured E(p), I(p), 19,20O spectra, (recoils)p-coin, energy loss, cross sections, proton yields, σ(θ) using HELIOS spectrometer at Atlas facility. 20O; deduced levels, L-transfers, J, π, spectroscopic factors, T=1 diagonal two-body matrix elements. DWBA analysis. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.85.054318
2012HO26 J.Phys.:Conf.Ser. 381, 012098 (2012) A.M.Howard, S.J.Freeman, J.P.Schiffer, T.Bloxham, J.A.Clark, C.M.Deibel, B.P.Kay, P.D.Parker, D.K.Sharp, J.S.Thomas Neutron-hole strength in the N = 81 isotone NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(p, d), E=23 MeV;138Ba, 140Ce, 142Nd, 144Sm(3He, α), E=34 MeV; measured light reaction products E(particle), I(particle, θ) using Enge split-pole spectrograph, position-sensitive IC and scintillator; deduced σ(θ), spectroscopic strength for specified angular momentum transfers, single-particle binding energy.
doi: 10.1088/1742-6596/381/1/012098
2012KA44 J.Phys.:Conf.Ser. 381, 012095 (2012) B.P.Kay, M.Alcorta, B.B.Back, S.I.Baker, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, S.J.Freeman, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, K.E.Rehm, J.P.Schiffer, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa, S.Zhu HELIOS - progress and possibilities
doi: 10.1088/1742-6596/381/1/012095
2012MC06 J.Phys.:Conf.Ser. 381, 012043 (2012) S.A.McAllister, B.P.Kay, S.J.Freeman, J.P.Schiffer, C.M.Diebel, T.Bloxham, A.M.Howard, P.D.Parker, D.K.Sharp, J.S.Thomas Constraining neutrinoless double β decay matrix elements in 130Te NUCLEAR REACTIONS 128,130Te(p, t), E=23 MeV;128,130Te(d, p), (α, α'), E=15 MeV; 128,130Te(3He, α), E=40 MeV;128,130Te(α, 3He), E=50 MeV; measured reaction products at specified (forward) angles; deduced (d, p) spectroscopic factors. Preliminary. Other reactions under analysis.
doi: 10.1088/1742-6596/381/1/012043
2012MI26 J.Phys.:Conf.Ser. 381, 012099 (2012) A.J.Mitchell, S.J.Freeman, J.P.Schiffer, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, B.P.Kay, P.D.Parker, D.K.Sharp, J.S.Thomas Investigating trends in proton single-particle states in Z = 51 isotopes using transfer reactions NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(α, t), E=37.5 MeV;112,114,116,118,120,122,124Sn(3He, d), E=25 MeV; measured E(particle), I(particle, θ) using Enge split-pole spectrometer; calculated σ(θ) using DWBA; deduced spectroscopic factors, σ(θ) for specified l-transfer, occupancies of neutron orbitals. Occupation of h11/2 increases rapidly with N. Preliminary.
doi: 10.1088/1742-6596/381/1/012099
2012SC01 Phys.Rev.Lett. 108, 022501 (2012) J.P.Schiffer, C.R.Hoffman, B.P.Kay, J.A.Clark, C.M.Deibel, S.J.Freeman, A.M.Howard, A.J.Mitchell, P.D.Parker, D.K.Sharp, J.S.Thomas Test of Sum Rules in Nucleon Transfer Reactions NUCLEAR STRUCTURE 58,60,62,64Ni; calculated spectroscopic factors for neutron transfer, valence-orbit occupancies. Macfarlane-French sum rules. NUCLEAR REACTIONS Ni(α, α), E=9 MeV; Ni(d, p), E=10 MeV; Ni(p, d), E=28 MeV; Ni(3He, d), E=18 MeV; Ni(α, t), E=38 MeV; measured reaction products. 58,60,62,64Ni; deduced spectroscopic factors, neutron occupancies. DWBA calculations.
doi: 10.1103/PhysRevLett.108.022501
2012SH40 J.Phys.:Conf.Ser. 381, 012100 (2012) D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, B.B.Back, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, A.J.Mitchell, P.D.Parker, J.S.Thomas, A.H.Wuosmaa Trends in the g7/2 and h11/2 neutron single-particle energies in N = 51 isotones NUCLEAR REACTIONS 88Sr, 90Zr, 92Mo(d, p), E=15 MeV;88Sr, 90Zr, 92Mo(α, 3He), E=50 MeV; measured E(3He), I(3He, θ), Ep, Ip(θ) using Enge split-pole spectrometer; calculated σ(θ), spectroscopic factors using DWBA code PTOLEMY; deduced spectroscopic factors for specified l-transfers. 2H(86Kr, p), E=10 MeV/nucleon; measured Ep, Ip(θ) using HELIOS spectrometer; calculated σ(θ) using DWBA; deduced σ(θ).
doi: 10.1088/1742-6596/381/1/012100
2012SM04 Phys.Rev. C 86, 034303 (2012) J.F.Smith, L.J.Angus, E.S.Paul, C.J.Chiara, M.P.Carpenter, H.J.Chantler, P.T.W.Choy, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, N.S.Kelsall, T.Koike, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson γ-ray spectroscopy of neutron-deficient 123Ce NUCLEAR REACTIONS 64Zn(64Zn, nα), E=260 MeV; measured Eγ, Iγ, γγ-, γγ(particle)-coin, γγ(θ)(ADO) using Gammasphere array, Microball array and Neutron Wall at ATLAS facility in ANL. 123Ce; deduced levels, J, π, rotational bands, multipolarity, deformation parameters β2, γ and β4, alignments, configurations. 74Br, 119Ba, 121,122La, 122Ce; measured Eγ, Iγ, γγ-coin, γγ(θ) in nuclei formed in competing channels. Comparison with Total Routhian surface (TRS) and cranked shell-model (CSM) calculations. Systematics of bands and alignments in 122,123,124,125,127,129Ce, and 122,123La.
doi: 10.1103/PhysRevC.86.034303
2012ST06 Phys.Rev. C 85, 044316 (2012) D.Steppenbeck, R.V.F.Janssens, S.J.Freeman, M.P.Carpenter, P.Chowdhury, A.N.Deacon, M.Honma, H.Jin, T.Lauritsen, C.J.Lister, J.Meng, J.Peng, D.Seweryniak, J.F.Smith, Y.Sun, S.L.Tabor, B.J.Varley, Y.-C.Yang, S.Q.Zhang, P.W.Zhao, S.Zhu Magnetic rotation and quasicollective structures in 58Fe: Influence of the νγ9/2 orbital NUCLEAR REACTIONS 48Ca(13C, 3n), (14C, 4n), E=130 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), DCO ratios using Gammasphere array at ATLAS, ANL facility. 58Fe; deduced high-spin levels, J, π, multipolarity, bands, magnetic rotational bands, alignment plots, quasicollective structures, configurations. Comparison with shell model calculations, and with self-consistent tilted-axis-cranking calculations within relativistic mean-field theory. NUCLEAR STRUCTURE 58Fe; calculated levels, J, π. Shell-model calculations in fp model space using GXPF1A, KB3G, and FPD6 interactions.
doi: 10.1103/PhysRevC.85.044316
2012TH07 Phys.Rev. C 86, 047304 (2012) J.S.Thomas, S.J.Freeman, C.M.Deibel, T.Faestermann, R.Hertenberger, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, D.K.Sharp, H.-F.Wirth Neutron pair correlations in A=100 nuclei involved in neutrinoless double-β decay NUCLEAR REACTIONS 98,100Mo, 100,102Ru(p, t), E=24 MeV; measured triton spectra, σ, σ(θ) using Q3D magnetic spectrograph at MLL Munich facility. 96,98Mo, 98,100Ru; deduced levels, J, π, σ(6°)/σ(15°) ratios, L-transfers. DWBA analysis. 98,100Mo(3He, 3He), E=12 MeV; measured target thickness and solid angle subtended by the spectrograph aperture. Relevance to pairing properties, and matrix elements of 0νββ decay of 100Mo to 100Ru.
doi: 10.1103/PhysRevC.86.047304
2012WA10 Phys.Rev. C 85, 034329 (2012) P.T.Wady, J.F.Smith, E.S.Paul, B.Hadinia, C.J.Chiara, M.P.Carpenter, C.N.Davids, A.N.Deacon, S.J.Freeman, A.N.Grint, R.V.F.Janssens, B.P.Kay, T.Lauritsen, C.J.Lister, B.M.McGuirk, M.Petri, A.P.Robinson, D.Seweryniak, D.Steppenbeck, S.Zhu γ-ray spectroscopy of the odd-odd N=Z+2 deformed proton emitter 112Cs NUCLEAR REACTIONS 58Ni(58Ni, 3np)112Cs, E=260 MEV; measured Eγ, Iγ, pγ-, γγ-coin, Ep, half-life, recoil-decay tagging method using Gammasphere array at ATLAS facility. 112Cs; deduced high-spin levels, J, π, band, multipolarity, configuration, alignment plots. Systematics of excitation energies, quadrupole deformation and alignments in A=110-126 odd-odd Cs isotopes, cranked shell model (CSM) calculations. 109,111Sb, 109,110,111,112Te, 112,113I; measured Eγ from competing channels. RADIOACTIVITY 112Cs(p)[from 58Ni(58Ni, 3np), E=260 MEV]; measured E(p), I(p), Eγ, Iγ, half-life. Evidence for fine structure in 112Cs proton decay. 111Xe; deduced possible level. 109I, 113Cs(p); measured E(p).
doi: 10.1103/PhysRevC.85.034329
2011DE20 Phys.Rev. C 83, 064305 (2011) A.N.Deacon, D.Steppenbeck, S.Zhu, S.J.Freeman, R.V.F.Janssens, M.P.Carpenter, B.Fornal, M.Honma, B.P.Kay, F.G.Kondev, J.Kozemczak, A.Larabee, T.Lauritsen, C.J.Lister, A.P.Robinson, D.Seweryniak, J.F.Smith, Y.Sun, X.Wang, F.R.Xu, Y.-C.Yang Single-particle and collective structures in 55Cr and 55V NUCLEAR REACTIONS 9Be(48Ca, np)55V, (48Ca, 2n)55Cr, E=172 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), DCO using Gammasphere Array. 55V, 55Cr; deduced levels, J, π, high-spin levels, configurations, multipolarities, alignments. Comparison with shell-model, and the projected shell model calculations. NUCLEAR STRUCTURE 55Cr, 55V; calculated levels, J, π using shell model with KB3G, GXPF1A, and GXPF1B interactions, projected shell model, total Routhian surface plots.
doi: 10.1103/PhysRevC.83.064305
2011KA27 Phys.Rev. C 84, 024325 (2011) B.P.Kay, J.P.Schiffer, S.J.Freeman, C.R.Hoffman, B.B.Back, S.I.Baker, S.Bedoor, T.Bloxham, J.A.Clark, C.M.Deibel, A.M.Howard, J.C.Lighthall, S.T.Marley, K.E.Rehm, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa Single-neutron energies outside 136Xe NUCLEAR REACTIONS 2H(136Xe, p), E=10 MeV/nucleon; measured Ep, Ip, time of flight, absolute σ, σ(θ) using Helios spectrometer at the ATLAS facility at ANL. 137Xe; deduced levels, J, π, l-transfers, spectroscopic factors, configurations. DWBA analysis of σ(θ) distributions.
doi: 10.1103/PhysRevC.84.024325
2011KA48 J.Phys.:Conf.Ser. 312, 092034 (2011) B.P.Kay, J.P.Schiffer, S.J.Freeman, B.B.Back, S.Bedoor, S.I.Baker, T.Bloxham, J.A.Clark, C.M.Deibel, C.R.Hoffman, A.M.Howard, J.C.Lighthall, S.T.Marley, K.E.Rehm, D.K.Sharp, D.V.Shetty, J.S.Thomas, A.H.Wuosmaa Study of valence neutrons in 136Xe with HELIOS NUCLEAR REACTIONS 2H, C(136Xe, p), (136Xe, d), E=5, 10 MeV/nucleon; measured E(particle), I(particle, θ), A/Q ratio using position-sensitive Si detectors, ToF using radio-frequency of ATLAS facility; deduced σ(p, θ) for specified angular momentum transfer; calculated σ(θ) for specified angular momentum transfer using DWBA code PTOLEMY.
doi: 10.1088/1742-6596/312/9/092034
2011WA12 Phys.Lett. B 701, 306 (2011) R.Wadsworth, I.Ragnarsson, B.G.Carlsson, H.-L.Ma, P.J.Davies, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, J.J.Valiente-Dobon Evidence for shape coexistence at medium spin in 76Rb NUCLEAR REACTIONS 40Ca(40Ca, n3p)76Rb, E=165 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced rotational bands, energies, J, π, negative-parity bands, oblate and prolate shape coexistence. Cranked Nilsson-Strutinsky model calculations.
doi: 10.1016/j.physletb.2011.06.006
2010BA06 Phys.Rev.Lett. 104, 132501 (2010) B.B.Back, S.I.Baker, B.A.Brown, C.M.Deibel, S.J.Freeman, B.J.DiGiovine, C.R.Hoffman, B.P.Kay, H.Y.Lee, J.C.Lighthall, S.T.Marley, R.C.Pardo, K.E.Rehm, J.P.Schiffer, D.V.Shetty, A.W.Vann, J.Winkelbauer, A.H.Wuosmaa First Experiment with HELIOS: The Structure of 13B NUCLEAR REACTIONS 12B(d, p), E=75 MeV; measured Ep, Ip, recoil ions; deduced σ(θ), spectroscopic factors, constrained J, π.
doi: 10.1103/PhysRevLett.104.132501
2010BL06 Phys.Rev. C 82, 027308 (2010) T.Bloxham, B.P.Kay, J.P.Schiffer, J.A.Clark, C.M.Deibel, S.J.Freeman, S.J.Freedman, A.M.Howard, S.A.McAllister, P.D.Parker, D.K.Sharp, J.S.Thomas Pair correlations in the neutrinoless double-β decay candidate 130Te NUCLEAR REACTIONS 128,130Te(p, t), E=23 MeV; measured triton spectra, σ(θ). 126,128Te; deduced levels, L-transfers. Split-pole magnetic spectrograph and gas-filled focal plane detector. Comparison with data for 128,130Te(3He, n) reactions. Relevance to calculation of the matrix element for neutrinoless double-β decay of 130Te.
doi: 10.1103/PhysRevC.82.027308
2010DA19 Phys.Rev. C 82, 061303 (2010) P.J.Davies, A.V.Afanasjev, R.Wadsworth, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.G.Jenkins, F.L.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, D.Ward Evidence of nontermination of collective rotation near the maximum angular momentum in 75Rb NUCLEAR REACTIONS 40Ca(40Ca, pα), E=165 MeV; measured Eγ, Iγ, γγ-coin, level half-lives with residual Doppler attenuation method using Gammasphere array. 75Kr; deduced transition quadrupole moments for two rotational bands from measured half-lives. Comparison with data for bands in 74Kr and 109Sb. Cranked Nilsson-Strutinsky (CNS) and cranked relativistic mean field (CRMF) calculations.
doi: 10.1103/PhysRevC.82.061303
2010DE26 Phys.Rev. C 82, 034305 (2010) A.N.Deacon, J.F.Smith, S.J.Freeman, R.V.F.Janssens, M.P.Carpenter, B.Hadinia, C.R.Hoffman, B.P.Kay, T.Lauritsen, C.J.Lister, D.O'Donnell, J.Ollier, T.Otsuka, D.Seweryniak, K.-M.Spohr, D.Steppenbeck, S.L.Tabor, V.Tripathi, Y.Utsuno, P.T.Wady, S.Zhu Cross-shell excitations near the "island of inversion": Structure of 30Mg NUCLEAR REACTIONS 14C(18O, 2p), E=37 MeV; measured Eγ, Iγ, γγ-, (30Mg)γ-coin, γ(θ) using Gammasphere array, enriched 14C target. 30Mg; deduced levels, J, π, multipolarities. Comparison with shell-model calculations using the USD and SDPF-M interactions, and the Monte Carlo shell model. Systematics of first 2+ and 4+ states in 24,26,28,30,32,34Mg. NUCLEAR REACTIONS 14C(18O, 2p)26Mg/30Mg/30Al/30Si, E=37 MeV; measured Eγ and yields.
doi: 10.1103/PhysRevC.82.034305
2010GA06 Phys.Rev. C 81, 051304 (2010) A.Gade, R.V.F.Janssens, T.Baugher, D.Bazin, B.A.Brown, M.P.Carpenter, C.J.Chiara, A.N.Deacon, S.J.Freeman, G.F.Grinyer, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, S.McDaniel, K.Meierbachtol, A.Ratkiewicz, S.R.Stroberg, K.A.Walsh, D.Weisshaar, R.Winkler, S.Zhu Collectivity at N = 40 in neutron-rich 64Cr NUCLEAR REACTIONS 9Be(62Fe, 62Fe'), E=73.0 MeV/nucleon [62Fe secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon], 9Be(64Fe, 64Fe'), E=67.5 MeV/nucleon [64Fe secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon], 9Be(66Fe, 66Fe'), E=82.6 MeV/nucleon [66Fe secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon], 9Be(60Cr, 60Cr'), E=80.6 MeV/nucleon [60Cr secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon], 9Be(62Cr, 62Cr'), E=74.6 MeV/nucleon [62Cr secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon], 9Be(64Cr, 64Cr'), E=87.0 MeV/nucleon [64Cr secondary beam from primary reaction 9Be(76Ge, X), E=130 MeV/nucleon]; measured Eγ, Iγ, (particle)γ-coin, σ. 62,64,66Fe, 60,62,64Cr; deduced levels, J, π. Comparison with large-scale shell-model calculations in different model spaces. 9Be(76Ge, X)62Fe/64Fe/66Fe/60Cr/62Cr/64Cr/65Mn/66Mn/67Fe/69Co, E=130 MeV/nucleon; measured yields of secondary ion beams.
doi: 10.1103/PhysRevC.81.051304
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
2010SO03 Phys.Rev. C 81, 034310 (2010) P.-A.Soderstrom, J.Nyberg, P.H.Regan, A.Algora, G.de Angelis, S.F.Ashley, S.Aydin, D.Bazzacco, R.J.Casperson, W.N.Catford, J.Cederkall, R.Chapman, L.Corradi, C.Fahlander, E.Farnea, E.Fioretto, S.J.Freeman, A.Gadea, W.Gelletly, A.Gottardo, E.Grodner, C.Y.He, G.A.Jones, K.Keyes, M.Labiche, X.Liang, Z.Liu, S.Lunardi, N.Marginean, P.Mason, R.Menegazzo, D.Mengoni, G.Montagnoli, D.Napoli, J.Ollier, S.Pietri, Zs.Podolyak, G.Pollarolo, F.Recchia, E.Sahin, F.Scarlassara, R.Silvestri, J.F.Smith, K.-M.Spohr, S.J.Steer, A.M.Stefanini, S.Szilner, N.J.Thompson, G.M.Tveten, C.A.Ur, J.J.Valiente-Dobon, V.Werner, S.J.Williams, F.R.Xu, J.Y.Zhu Spectroscopy of neutron-rich 168, 170Dy: Yrast band evolution close to the NpNn valence maximum NUCLEAR REACTIONS 170Er(82Se, X)168Dy/170Dy, E=460 MeV; measured mass yields, distributions of product nuclei using PRISMA spectrometer, Eγ, Iγ, γγ-, (particle)γ-coin using CLARA HPGe array. 168Dy; deduced levels, J, π, rotational bands, moments of inertia. 170Dy; deduced 4+ to 2+ transition. 170Er; measured Eγ. Z=64-72, N=94-108; systematics of levels and moments of inertia for even-even isotopes, and total Routhian surface calculations. 81,82,83,84,85,86,87,88,89,90Kr, 162,163,164,165,166,167,168,169,170,171Dy; measured yields of complementary beam-like and target-like fragments through 2pxn channels.
doi: 10.1103/PhysRevC.81.034310
2010ST01 Phys.Rev. C 81, 014305 (2010); Erratum Phys.Rev. C 82, 069903 (2010) D.Steppenbeck, A.N.Deacon, S.J.Freeman, R.V.F.Janssens, S.Zhu, M.P.Carpenter, P.Chowdhury, M.Honma, T.Lauritsen, C.J.Lister, D.Seweryniak, J.F.Smith, S.L.Tabor, B.J.Varley High-spin structures in the neutron-rich isotopes 57-60Mn NUCLEAR REACTIONS 13,14C(48Ca, X), E=130 MeV; measured Eγ, Iγ, γγ-coin using the Gammasphere array, γ(θ), DCO ratios. 57,58,59,60Mn; deduced levels, J, π, multipolarities. Comparison with shell-model calculations using the GXPF1A effective interaction.
doi: 10.1103/PhysRevC.81.014305
2010ST13 Nucl.Phys. A847, 149 (2010) D.Steppenbeck, A.N.Deacon, S.J.Freeman, R.V.F.Janssens, M.P.Carpenter, C.R.Hoffman, B.P.Kay, T.Lauritsen, C.J.Lister, D.O'Donnell, J.Ollier, D.Seweryniak, J.F.Smith, K.-M.Spohr, S.L.Tabor, V.Tripathi, P.T.Wady, S.Zhu Cross-shell excitations in 30Al and 30Si at high spin NUCLEAR REACTIONS 14C(18O, X), E=37 MeV; measured Eγ, Iγ, (residual)γ-, γγ-coin, γ(θ), DCO ratios using the Gammasphere array and Fragment Mass Analyzer. 30Al, 30Si; deduced levels, J, π, multipolarities. Comparison with shell-model calculations.
doi: 10.1016/j.nuclphysa.2010.07.010
2009KA06 Phys.Rev. C 79, 021301 (2009) B.P.Kay, J.P.Schiffer, S.J.Freeman, T.Adachi, J.A.Clark, C.M.Deibel, H.Fujita, Y.Fujita, P.Grabmayr, K.Hatanaka, D.Ishikawa, H.Matsubara, Y.Meada, H.Okamura, K.E.Rehm, Y.Sakemi, Y.Shimizu, H.Shimoda, K.Suda, Y.Tameshige, A.Tamii, C.Wrede Nuclear structure relevant to neutrinoless double β decay: The valence protons in 76Ge and 76Se NUCLEAR REACTIONS 74,76Ge, 76,78Se(d, 3He), (polarized d, 3He), E=80 MeV; measured 3He spectra, σ, angular distributions, vector analyzing powers. 74,76Ge, 76,78Se(3He, d), E=72 MeV; measured deuteron spectra, σ, angular distributions. 73,75Ga, 75,77As, 77,79Br; deduced levels, J, π, angular momentum transfers, spectroscopic factors. Comparison of angular distribution and polarization data with distorted wave Born approximation (DWBA) calculations. 76Ge, 76Se; deduced occupancies of valence proton orbitals in ground states. Comparison of occupancies of valence proton and neutron orbitals in ground states of 76Ge and 76Se with QRPA and shell-model calculations. Discussed implications for neutrinoless double β decay of 76Ge to 76Se.
doi: 10.1103/PhysRevC.79.021301
2009WA04 Phys.Rev.Lett. 102, 122501 (2009) X.Wang, R.V.F.Janssens, M.P.Carpenter, S.Zhu, I.Wiedenhover, U.Garg, S.Frauendorf, T.Nakatsukasa, I.Ahmad, A.Bernstein, E.Diffenderfer, S.J.Freeman, J.P.Greene, T.L.Khoo, F.G.Kondev, A.Larabee, T.Lauritsen, C.J.Lister, B.Meredith, D.Seweryniak, C.Teal, P.Wilson Structure of 240Pu: Evidence for Octupole Phonon Condensation? NUCLEAR REACTIONS 240Pu(208Pb, 208Pb'), E=1300 MeV; measured Eγ, Iγ, γγ-coin. 240Pu; deduced levels, J, π.
doi: 10.1103/PhysRevLett.102.122501
2009ZH23 Phys.Rev. C 80, 024318 (2009) S.Zhu, R.V.F.Janssens, B.Fornal, S.J.Freeman, M.Honma, R.Broda, M.P.Carpenter, A.N.Deacon, E.Jackson, B.P.Kay, T.Lauritsen, C.J.Lister, P.F.Mantica, T.Otsuka, D.Seweryniak, J.F.Smith, D.Steppenbeck, X.Wang High-lying, non-yrast shell structure in 52Ti NUCLEAR REACTIONS 9Be(48Ca, X)52Ti/52Sc/55V/55Cr, E=172 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, half-lives by DSAM. 52Ti; deduced levels, J, π. Comparison with full fp shell-model calculations using GXPF1A, FPD6, and KB3G effective interactions. RADIOACTIVITY 52Sc(β-)[from 9Be(48Ca, X), E=172 MeV]; measured Eγ, Iγ and γγ-coin. 52Ti; deduced levels, J, π.
doi: 10.1103/PhysRevC.80.024318
2008AN05 Phys.Rev. C 77, 054303 (2008) K.Andgren, B.Cederwall, J.Uusitalo, A.N.Andreyev, S.J.Freeman, P.T.Greenlees, B.Hadinia, U.Jakobsson, A.Johnson, P.M.Jones, D.T.Joss, S.Juutinen, R.Julin, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, P.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, J.Thomson, R.Wyss Excited states in the neutron-deficient nuclei 197, 199, 201Rn RADIOACTIVITY 197,197mRn(α); measured half-life. NUCLEAR REACTIONS 118,122Sn(82Kr, 3n), E=362 MeV; 120Sn(82Kr, 3n), E=355 MeV; 150Sm, 152Sm(52Cr, 3n), E=231 MeV; measured Eγ, Iγ, Eγ, γγ-, γα-coin. Recoil-α-decay tagging method. 197,199,201Rn; deduced levels, J, π, band configurations. 111-125Rn, 106-126Po; systematics.
doi: 10.1103/PhysRevC.77.054303
2008AN11 Phys.Rev. C 78, 044328 (2008) K.Andgren, U.Jakobsson, B.Cederwall, J.Uusitalo, T.Back, S.J.Freeman, P.T.Greenlees, B.Hadinia, A.Hugues, A.Johnson, P.M.Jones, D.T.Joss, S.Juutinen, R.Julin, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, P.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, J.Thomson, R.Wyss γ-ray spectroscopy of 197At NUCLEAR REACTIONS 118Sn(82Kr, 2np), E=362 MeV; measured Eγ, Iγ, γγ-coin, conversion electrons. 197At; deduced levels, J, π, bands. Comparison with 193Bi, total Routhian surface forces for 191,193,195,197At. RADIOACTIVITY 195,196Po, 196,197,197m,198,199At(α) [from 118Sn(82Kr, X), E=362 MeV]; measured α-spectra, α(recoil)-coin, half-lives.
doi: 10.1103/PhysRevC.78.044328
2008JO07 Phys.Rev. C 78, 034312 (2008) F.Johnston-Theasby, A.V.Afanasjev, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.Sarantites, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, R.Wadsworth, D.Ward Deformation of rotational structures in 73Kr and 74Rb: Probing the additivity principle at triaxial shapes NUCLEAR REACTIONS 40Ca(40Ca, n2pα), (40Ca, npα), E=165 MeV; measured Eγ, Iγ, electric quadrupole moments, half-lives using residual doppler shift method. 73Kr, 74Rb; deduced levels, J, π, bands, transition quadrupole moments, configurations. Comparisons with cranked Nilsson-Strutinsky and relativistic mean-field calculations.
doi: 10.1103/PhysRevC.78.034312
2008KA01 Phys.Lett. B 658, 216 (2008) B.P.Kay, S.J.Freeman, J.P.Schiffer, J.A.Clark, C.Deibel, A.Heinz, A.Parikh, C.Wrede High-j single-particle neutron states outside the N = 82 core NUCLEAR REACTIONS 138Ba, 140Ce, 142Nd, 144Sm(α, 3He), E=51 MeV; measured σ(θ), excitation energy spectra; deduced spectroscopic factor and single-neutron energies.
doi: 10.1016/j.physletb.2007.11.033
2008SC03 Phys.Rev.Lett. 100, 112501 (2008) J.P.Schiffer, S.J.Freeman, J.A.Clark, C.Deibel, C.R.Fitzpatrick, S.Gros, A.Heinz, D.Hirata, C.L.Jiang, B.P.Kay, A.Parikh, P.D.Parker, K.E.Rehm, A.C.C.Villari, V.Werner, C.Wrede Nuclear Structure Relevant to Neutrinoless Double β Decay: 76Ge and 76Se NUCLEAR REACTIONS 74,76Ge, 76,78Se(d, p), E=15 MeV; 76Ge, 76Se(p, d), E=23 MeV; 74,76Ge, 76,78Se(3He, α), E=26 MeV; 74,76Ge, 76,78Se(α, 3He), E=40 MeV; measured reaction products energy spectra, cross sections. Deduced summed spectroscopic strengths, neutron vacancies.
doi: 10.1103/PhysRevLett.100.112501
2008VA03 Phys.Rev. C 77, 024312 (2008) J.J.Valiente-Dobon, C.E.Svensson, A.V.Afanasjev, I.Ragnarsson, C.Andreoiu, D.E.Appelbe, R.A.E.Austin, G.C.Ball, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, D.Dashdorj, P.Fallon, S.J.Freeman, P.E.Garrett, A.Gorgen, G.F.Grinyer, D.F.Hodgson, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, N.S.Kelsall, A.O.Macchiavelli, D.Mengoni, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.C.Waddington, R.Wadsworth, D.Ward Low-spin lifetime measurements in 74Kr NUCLEAR REACTIONS 40Ca(40Ca, 2pα), E=165 MeV; measured Eγ, Iγ, half-lives, transition quadrupole moments. 74Kr; deduced excitation energies, rotational bands.
doi: 10.1103/PhysRevC.77.024312
2008VA08 Phys.Rev. C 78, 024302 (2008) J.J.Valiente-Dobon, S.M.Lenzi, S.J.Freeman, S.Lunardi, J.F.Smith, A.Gottardo, F.Della Vedova, E.Farnea, A.Gadea, D.R.Napoli, M.Axiotis, S.Aydin, D.Bazzacco, P.G.Bizzeti, A.M.Bizzeti-Sona, G.Benzoni, D.Bucurescu, L.Corradi, A.N.Deacon, G.De Angelis, E.Fioretto, B.Guiot, M.Ionescu-Bujor, A.Iordachescu, S.Leoni, N.Marginean, R.Marginean, P.Mason, R.Menegazzo, D.Mengoni, B.Million, G.Montagnoli, R.Orlandi, F.Recchia, E.Sahin, F.Scarlassara, R.P.Singh, A.M.Stefanini, D.Steppenbeck, S.Szilner, C.A.Ur, B.J.Varley, O.Wieland Spectroscopy of neutron-rich 59-63Mn isotopes NUCLEAR REACTIONS 238U(70Zn, X)58Mn/59Mn/60Mn/61Mn/62Mn/63Mn, E=460 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin. 59,60,61,62,63Mn; deduced levels, J, π. Comparison with large scale shell model calculations.
doi: 10.1103/PhysRevC.78.024302
2007AN12 Phys.Rev. C 75, 041301 (2007); Erratum Phys.Rev. C 75, 049901 (2007) C.Andreoiu, C.E.Svensson, A.V.Afanasjev, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, J.Greene, G.F.Grinyer, A.Gorgen, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Machiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.G.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.J.Valiente-Dobon, R.Wadsworth High-spin lifetime measurements in the N = Z nucleus 72Kr NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 72Kr deduced high-spin levels, J, π, T1/2. Gammasphere, Microball arrays. Doppler shift attenuation method, compared results to isovector mean field theory calculations.
doi: 10.1103/PhysRevC.75.041301
2007DA04 Phys.Rev. C 75, 011302 (2007) P.J.Davies, A.V.Afanasjev, R.Wadsworth, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, D.G.Jenkins, F.L.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.Sarantites, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, D.Ward Identification of the g9/2 proton and neutron band crossing in the N = Z nucleus 76Sr NUCLEAR REACTIONS 40Ca(40Ca, 2n2p), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 76Sr deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, comparison with model predictions.
doi: 10.1103/PhysRevC.75.011302
2007DE56 Phys.Rev. C 76, 054303 (2007) A.N.Deacon, S.J.Freeman, R.V.F.Janssens, M.Honma, M.P.Carpenter, P.Chowdhury, T.Lauritsen, C.J.Lister, D.Seweryniak, J.F.Smith, S.L.Tabor, B.J.Varley, F.R.Xu, S.Zhu Yrast structures in the neutron-rich isotopes 59, 60Fe and the role of the g9/2 orbital NUCLEAR REACTIONS 13,14C(48Ca, 2n), E=2.75 MeV/nucleon; measured Eγ, Iγ, γγ-coin, γ(θ), symmetry parameters. 59,60Fe; deduced angular momenta, levels, J, π; calculated potential energy surfaces. Shell model calculations.
doi: 10.1103/PhysRevC.76.054303
2007FI07 Phys.Rev. C 75, 064310 (2007) S.M.Fischer, C.J.Lister, M.P.Carpenter, N.J.Hammond, R.V.F.Janssens, E.F.Moore, G.Mukherjee, D.Seweryniak, S.Sinha, S.J.Freeman, J.Carney, D.P.Balamuth, Y.Sun Mapping the periphery of deformation in the A ∼ 80 region: A study of 83Nb NUCLEAR REACTIONS 28Si(58Ni, 2np)83Nb, E=204, 215 MeV; measured Eγ, Iγ, γγ-coinc. 83Nb deduced levels, J, π, transition multipolarities, mixing ratios and transition quadrupole moments.
doi: 10.1103/PhysRevC.75.064310
2007FR10 Phys.Rev. C 75, 051301 (2007) S.J.Freeman, J.P.Schiffer, A.C.C.Villari, J.A.Clark, C.Deibel, S.Gros, A.Heinz, D.Hirata, C.L.Jiang, B.P.Kay, A.Parikh, P.D.Parker, J.Qian, K.E.Rehm, X.D.Tang, V.Werner, C.Wrede Pair correlations in nuclei involved in neutrinoless double Β decay: 76Ge and 76Se NUCLEAR REACTIONS 74,76Ge, 76,78Se(p, t), E=23 MeV; measured yields, cross sections and angular distributions. Compared results to DWBA calculations.
doi: 10.1103/PhysRevC.75.051301
2007GA28 Acta Phys.Pol. B38, 1311 (2007) A.Gadea, E.Sahin, J.J.Valiente-Dobon, A.Dewald, E.Farnea, G.De Angelis, M.Axiotis, D.R.Napoli, R.Orlandi, F.Della Vedova, E.Fioretto, L.Corradi, A.M.Stefanini, A.Latina, N.Marginean, S.Szilner, O.Moller, B.Melon, D.Bazzacco, S.Beghini, S.M.Lenzi, S.Lunardi, G.Montagnoli, R.Menegazzo, F.Scarlassara, C.Ur, N.A.Kondratiev, E.M.Kozulin, G.Benzoni, A.Bracco, S.Brambilla, F.Camera, S.Leoni, B.Million, M.Pignanelli, G.Pollarolo, M.Trotta, P.G.Bizzeti, A.M.Bizzeti-Sona, D.Curien, G.Duchene, T.Faul, R.Chapman, X.Liang, F.Azaiez, S.J.Freeman, B.J.Varley, V.Pucknell Recent Results on Neutron-Rich Nuclei Spectroscopy with the CLARA - PRISMA Setup
2007LU13 Phys.Rev. C 76, 034303 (2007) S.Lunardi, S.M.Lenzi, F.Della Vedova, E.Farnea, A.Gadea, N.Marginean, D.Bazzacco, S.Beghini, P.G.Bizzeti, A.M.Bizzeti-Sona, D.Bucurescu, L.Corradi, A.N.Deacon, G.de Angelis, E.Fioretto, S.J.Freeman, M.Ionescu-Bujor, A.Iordachescu, P.Mason, D.Mengoni, G.Montagnoli, D.R.Napoli, F.Nowacki, R.Orlandi, G.Pollarolo, F.Recchia, F.Scarlassara, J.F.Smith, A.M.Stefanini, S.Szilner, C.A.Ur, J.J.Valiente-Dobon, B.J.Varley Spectroscopy of neutron-rich Fe isotopes populated in the 64Ni+238U reaction NUCLEAR REACTIONS 238U(64Ni, X)61Fe/62Fe/63Fe/64Fe/65Fe/66Fe, E=400 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 61,62,63,64,65Fe deduced levels, J, π. Compared results to model calculations.
doi: 10.1103/PhysRevC.76.034303
2007PA34 Phys.Rev. C 76, 034322 (2007) E.S.Paul, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta γ-ray spectroscopy of neutron-deficient 110Te. I. Low- and intermediate-spin structures NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.
doi: 10.1103/PhysRevC.76.034322
2007PA35 Phys.Rev. C 76, 034323 (2007) E.S.Paul, A.O.Evans, A.J.Boston, C.J.Chiara, M.Devlin, D.B.Fossan, S.J.Freeman, D.R.LaFosse, G.J.Lane, M.J.Leddy, I.Y.Lee, A.O.Macchiavelli, P.J.Nolan, D.G.Sarantites, J.M.Sears, A.T.Semple, J.F.Smith, K.Starosta, A.V.Afanasjev, I.Ragnarsson γ-ray spectroscopy of neutron-deficient 110Te. II. High-spin smooth-terminating structures NUCLEAR REACTIONS 58Ni(58Ni, 2pα), E=240, 250 MeV; measured Eγ, Iγ, γγ, (particle)γ-coinc. 110Te deduced levels, J, π, multipolarity.
doi: 10.1103/PhysRevC.76.034323
2007SE06 Phys.Rev.Lett. 99, 082502 (2007) D.Seweryniak, B.Blank, M.P.Carpenter, C.N.Davids, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, A.Robinson, C.Scholey, S.Sinha, J.Shergur, K.Starosta, W.B.Walters, A.Woehr, P.J.Woods Effect of a Triaxial Nuclear Shape on Proton Tunneling: The Decay and Structure of 145Tm NUCLEAR REACTIONS 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, Ep, pγ-coinc. 145Tm deduced levels, J, π.
doi: 10.1103/PhysRevLett.99.082502
2007TH07 Acta Phys.Pol. B38, 1381 (2007) N.J.Thompson, P.H.Regan, A.B.Garnsworthy, A.D.Ayangeakaa, H.C.Ai, L.Amon, R.B.Cakirli, R.F.Casten, C.R.Fitzpatrick, S.J.Freeman, G.Guerdal, A.Heinz, G.A.Jones, E.A.McCutchan, J.Qian, V.Werner, S.J.Williams, R.Winkler Spectroscopy of 91Zr51 at Medium to High Spins NUCLEAR REACTIONS 82Se(13C, 4n)91Zr, E=50 MeV; measured Eγ, Iγ, γγ-coinc. 91Zr deduced levels, J, π.
2007ZH37 Phys.Lett. B 650, 135 (2007) S.Zhu, R.V.F.Janssens, B.Fornal, S.J.Freeman, M.Honma, R.Broda, M.P.Carpenter, A.N.Deacon, B.P.Kay, F.G.Kondev, W.Krolas, J.Kozemczak, A.Larabee, T.Lauritsen, S.N.Liddick, C.J.Lister, P.F.Mantica, T.Otsuka, T.Pawlat, A.Robinson, D.Seweryniak, J.F.Smith, D.Steppenbeck, B.E.Tomlin, J.Wrzesinski, X.Wang One-particle excitations outside the 54Ti semi-magic core: The 55V and 55Ti yrast structures NUCLEAR REACTIONS 9Be(48Ca, np), (48Ca, 2p), E=172 MeV; measured Eγ, Iγ, γγ-coin, (particle)γ-coin using Gammasphere. 55V, 55Ti deduced levels, J, π. Comparison with model calculations.
doi: 10.1016/j.physletb.2007.05.014
2006AN35 Phys.Scr. T125, 127 (2006) C.Andreoiu, C.E.Svensson, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Machiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.G.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.J.Valiente-Dobon, R.Wadsworth Lifetime measurements in N=Z 72Kr NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 72Kr deduced high-spin levels, J, π, configurations, transition quadrupole moments, T1/2. Gammasphere, Microball arrays.
doi: 10.1088/0031-8949/2006/T125/029
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
2006GA14 Phys.Rev. C 73, 037309 (2006) 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, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, S.Zhu Spectroscopy of the odd-odd fp-shell nucleus 52Sc from secondary fragmentation NUCLEAR REACTIONS 9Be(57Cr, X), (55V, X)52Sc, E ≈ 77 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 52Sc deduced levels, transitions. Comparison with shell model predictions.
doi: 10.1103/PhysRevC.73.037309
2006GA24 Phys.Rev. C 74, 021302 (2006) A.Gade, R.V.F.Janssens, D.Bazin, R.Broda, B.A.Brown, C.M.Campbell, M.P.Carpenter, J.M.Cook, A.N.Deacon, D.-C.Dinca, B.Fornal, 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 Cross-shell excitation in two-proton knockout: Structure of 52Ca NUCLEAR REACTIONS 9Be(54Ti, 52CaX), E=72 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, longitudinal momentum distribution, yields following two-proton knockout; deduced inclusive σ. 52Ca deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.74.021302
2006GA35 Phys.Rev. C 74, 047302 (2006) 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, M.Horoi, B.P.Kay, P.F.Mantica, W.F.Mueller, J.R.Terry, J.A.Tostevin, S.Zhu One-neutron knockout in the vicinity of the N = 32 sub-shell closure: 9Be(57Cr, 56Cr+γ)X NUCLEAR REACTIONS 9Be(57Cr, 56CrX), E=77 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, parallel momentum distribution; deduced σ. 56Cr deduced levels, spectroscopic factors.
doi: 10.1103/PhysRevC.74.047302
2006MA11 Phys.Lett. B 633, 696 (2006) N.Marginean, S.M.Lenzi, A.Gadea, E.Farnea, S.J.Freeman, D.R.Napoli, D.Bazzacco, S.Beghini, B.R.Behera, P.G.Bizzeti, A.Bizzeti-Sona, D.Bucurescu, R.Chapman, L.Corradi, A.N.Deacon, G.de Angelis, F.Della Vedova, E.Fioretto, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, A.Latina, X.Liang, S.Lunardi, G.Montagnoli, R.Marginean, M.Nespolo, G.Pollarolo, C.Rusu, F.Scarlassara, J.F.Smith, K.Spohr, A.M.Stefanini, S.Szilner, M.Trotta, C.A.Ur, B.J.Varley, W.Zhimin Shape transitions far from stability: The nucleus 58Cr NUCLEAR REACTIONS 238U(64Ni, X)54Cr/58Cr/60Cr, E=400 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 54,58,60Cr deduced levels, J, π; calculated B(E2). Interacting boson model, Clara and Prisma arrays.
doi: 10.1016/j.physletb.2005.12.047
2006SM02 Phys.Rev. C 73, 061303 (2006) J.F.Smith, A.M.Fletcher, C.J.Chiara, M.P.Carpenter, H.J.Chantler, C.N.Davids, J.L.Durell, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, T.Koike, F.G.Kondev, D.R.LaFosse, J.C.Lisle, D.Patel, E.S.Paul, W.Reviol, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson First observation of excited states in 114Cs: Spectroscopy of the yrast ν(h11/2) (X) π(h11/2) band NUCLEAR REACTIONS 58Ni(58Ni, np), E=230 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (recoil)γ-coin. 114Cs deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.73.061303
2006SM04 Phys.Rev. C 74, 034310 (2006) J.F.Smith, C.J.Chiara, M.P.Carpenter, C.N.Davids, M.Devlin, D.B.Fossan, S.J.Freeman, R.V.F.Janssens, D.R.LaFosse, D.G.Sarantites, D.Seweryniak, K.Starosta, R.Wadsworth, A.N.Wilson, R.Wyss Excited states and signature inversion in 116Cs NUCLEAR REACTIONS 58Ni(64Zn, npα), E=265 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 116Cs deduced high-spin levels, J, π, configurations, signature inversion. Gammasphere, Microball arrays.
doi: 10.1103/PhysRevC.74.034310
2006WH02 Phys.Rev. C 74, 027303 (2006) C.Wheldon, J.J.Valiente-Dobon, P.H.Regan, C.J.Pearson, C.Y.Wu, J.F.Smith, A.O.Macchiavelli, D.Cline, R.S.Chakrawarthy, R.Chapman, M.Cromaz, P.Fallon, S.J.Freeman, W.Gelletly, A.Gorgen, A.B.Hayes, H.Hua, S.D.Langdown, I.Y.Lee, X.Liang, Zs.Podolyak, G.Sletten, R.Teng, D.Ward, D.D.Warner, A.D.Yamamoto Observation of an isomeric state in 197Au NUCLEAR REACTIONS 198Pt(136Xe, X)195Au/197Au, E=850 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 197Au deduced levels, J, π, configurations, high-spin isomer T1/2. 195Au deduced transition. Gammasphere, Chico arrays.
doi: 10.1103/PhysRevC.74.027303
2006ZH42 Phys.Rev.C 74, 064315 (2006) S.Zhu, A.N.Deacon, S.J.Freeman, R.V.F.Janssens, B.Fornal, M.Honma, F.R.Xu, R.Broda, I.R.Calderin, M.P.Carpenter, P.Chowdhury, F.G.Kondev, W.Krolas, T.Lauritsen, S.N.Liddick, C.J.Lister, P.F.Mantica, T.Pawlat, D.Seweryniak, J.F.Smith, S.L.Tabor, B.E.Tomlin, B.J.Varley, J.Wrzesinski Level structure of the neutron-rich 56, 58, 60Cr isotopes: Single-particle and collective aspects. NUCLEAR REACTIONS 208Pb(48Ca, X)56Cr/58Cr, E=305 MeV; 238U(48Ca, X)56Cr/58Cr/60Cr, E=330 MeV; 14C(48Ca, 2p), (48Ca, 2nα), E=130 MeV; measured Eγ, Iγ, (particle)γ, γγ-coin. 56,58,60Cr deduced levels, J, π, configurations. Comparison with model predictions.
doi: 10.1103/PhysRevC.74.064315
2005BI02 Phys.Rev. C 71, 011301 (2005); Erratum Phys.Rev. C 71, 019901 (2005) D.C.Biswas, A.G.Smith, R.M.Wall, D.Patel, G.S.Simpson, D.M.Cullen, J.L.Durell, S.J.Freeman, J.C.Lisle, J.F.Smith, B.J.Varley, T.Yousef, G.Barreau, M.Petit, Ch.Theisen, E.Bouchez, M.Houry, R.Lucas, B.Cahan, A.Le Coguie, B.J.P.Gall, O.Dorvaux, N.Schulz Lifetimes of excited states in octupole-collective 142, 144Ba nuclei RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, (particle)γ-, γγ-coin. 142,144Ba levels deduced T1/2, transition quadrupole moments. Euroball, Saphir arrays, differential Doppler shift method.
doi: 10.1103/PhysRevC.71.011301
2005BR18 Acta Phys.Pol. B36, 1343 (2005) R.Broda, B.Fornal, W.Krolas, T.Pawlat, J.Wrzesinski, D.Bazzacco, S.Lunardi, G.de Angelis, A.Gadea, C.Ur, N.Marginean, R.V.F.Janssens, M.P.Carpenter, S.J.Freeman, N.Hammond, T.Lauritsen, C.J.Lister, F.Moore, D.Seweryniak, P.J.Daly, Z.W.Grabowski, B.A.Brown, M.Honma Yrast states in N=30 50Ca and 51Sc isotones studied with deep-inelastic heavy ion reactions NUCLEAR REACTIONS 48Ca(48Ca, X)50Ca/51Sc, E=210 MeV; 208Pb(48Ca, X)50Ca/51Sc, E=280 MeV; 238U(48Ca, X)50Ca/51Sc, E=330 MeV; measured Eγ, Iγ, γγ-coin. 50Ca, 51Sc deduced levels, J, π, configurations. GASP, Gammasphere arrays.
2005DE34 Phys.Lett. B 622, 151 (2005); Erratum Phys.Lett. B 625, 375 (2005) A.N.Deacon, S.J.Freeman, R.V.F.Janssens, F.R.Xu, M.P.Carpenter, I.R.Calderin, P.Chowdhury, N.J.Hammond, T.Lauritsen, C.J.Lister, D.Seweryniak, J.F.Smith, S.L.Tabor, B.J.Varley, S.Zhu Changes in νg9/2 shape polarisation across the odd neutron-rich Cr isotopes NUCLEAR REACTIONS 14C(48Ca, nα), E=130 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 57Cr deduced high-spin levels, J, π, configurations. Gammasphere array, mass separator. NUCLEAR STRUCTURE 55,57,59Cr; analyzed levels; deduced deformation, core polarization effects. Total Routhian surface calculations.
doi: 10.1016/j.physletb.2005.07.005
2005DI05 Phys.Rev. C 71, 041302 (2005) D.-C.Dinca, R.V.F.Janssens, A.Gade, D.Bazin, R.Broda, B.A.Brown, C.M.Campbell, M.P.Carpenter, P.Chowdhury, J.M.Cook, A.N.Deacon, B.Fornal, S.J.Freeman, T.Glasmacher, M.Honma, F.G.Kondev, J.-L.Lecouey, S.N.Liddick, P.F.Mantica, W.F.Mueller, H.Olliver, T.Otsuka, J.R.Terry, B.A.Tomlin, K.Yoneda Reduced transition probabilities to the first 2+ state in 52, 54, 56Ti and development of shell closures at N=32, 34 NUCLEAR REACTIONS 197Au(76Ge, 76Ge'), (52Ti, 52Ti'), (54Ti, 54Ti'), (56Ti, 56Ti'), E ≈ 80-90 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 52,54,56Ti deduced transitions B(E2), subshell closures. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevC.71.041302
2005DR05 Phys.Rev. C 71, 044326 (2005); Erratum Phys.Rev. C 73, 019901 (2006) G.D.Dracoulis, G.J.Lane, F.G.Kondev, A.P.Byrne, T.Kibedi, H.Watanabe, I.Ahmad, M.P.Carpenter, S.J.Freeman, R.V.F.Janssens, N.J.Hammond, T.Lauritsen, C.J.Lister, G.Mukherjee, D.Seweryniak, P.Chowdhury, S.K.Tandel Structure of two-, four-, and six-quasiparticle isomers in 174Yb and K-forbidden decays NUCLEAR REACTIONS 175,176Lu, 174Yb(136Xe, X)174Yb, E=6 MeV/nucleon; 173Yb(18O, 17O), E not given; measured prompt and delayed Eγ, Iγ, γγ-coin. 174Yb deduced high-spin levels, J, π, δ, isomers T1/2, configurations. Gammasphere, Caesar arrays.
doi: 10.1103/PhysRevC.71.044326
2005FO14 Phys.Rev. C 72, 044315 (2005) B.Fornal, S.Zhu, R.V.F.Janssens, M.Honma, R.Broda, B.A.Brown, M.P.Carpenter, S.J.Freeman, N.Hammond, F.G.Kondev, W.Krolas, T.Lauritsen, S.N.Liddick, C.J.Lister, S.Lunardi, P.F.Mantica, N.Marginean, T.Mizusaki, E.F.Moore, T.Otsuka, T.Pawlat, D.Seweryniak, B.E.Tomlin, C.A.Ur, I.Wiedenhover, J.Wrzesinski Yrast structure of neutron-rich 53Ti NUCLEAR REACTIONS 208Pb(48Ca, X), E=305 MeV; 238U(48Ca, X), E=330 MeV; measured Eγ, Iγ, γγ-coin. 53Ti deduced levels, J, π. Gammasphere array, cross-coincidence with reaction partners. Comparison with model predictions.
doi: 10.1103/PhysRevC.72.044315
2005FR29 J.Phys.(London) G31, S1465 (2005) S.J.Freeman, R.V.F.Janssens, A.N.Deacon, F.Xu, I.J.Calderin, M.P.Carpenter, P.Chowdhury, S.M.Fischer, N.J.Hammond, M.Honma, T.Lauritsen, C.J.Lister, T.L.Khoo, G.Mukherjee, D.Seweryniak, J.F.Smith, S.L.Tabor, B.J.Varley, S.Zhu Structure of the neutron-rich Cr isotopes NUCLEAR REACTIONS 13,14C(48Ca, 2p), E=130 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 59,60Cr deduced levels, J, π. Gammasphere array, comparison with model predictions.
doi: 10.1088/0954-3899/31/10/015
2005GA44 J.Phys.(London) G31, S1443 (2005) A.Gadea, N.Marginean, L.Corradi, S.M.Lenzi, C.A.Ur, E.Farnea, G.de Angelis, E.Fioretto, D.R.Napoli, A.M.Stefanini, S.Szilner, M.Axiotis, B.R.Behera, A.Latina, C.Rusu, W.Zhimin, D.Bazzacco, S.Beghini, S.Lunardi, G.Montagnoli, R.Menegazzo, F.Scarlassara, F.Della Vedova, M.Nespolo, A.Bracco, F.Camera, S.Leoni, B.Million, M.Pignanelli, G.Pollarolo, M.Trotta, P.G.Bizzeti, A.M.Bizzeti-Sona, D.Curien, P.Medina, M.Chambit, R.Chapman, X.Liang, S.J.Freeman, A.Smith, B.J.Varley, V.Pucknell, R.Lemmon The CLARA-PRISMA setup installed at LNL: first results NUCLEAR REACTIONS 208Pb(90Zr, X)90Zr/92Zr/88Sr, E=560 MeV; 238U(64Ni, X)58Cr, E=400 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 58Cr, 90,92Zr, 88Sr deduced transitions. Clara array, mass separator.
doi: 10.1088/0954-3899/31/10/011
2005GE07 J.Res.Natl.Inst.Stand.Technol. 110, 215 (2005) M.T.Gericke, J.D.Bowman, R.D.Carlini, T.E.Chupp, K.P.Coulter, M.Dabaghyan, D.Desai, S.J.Freeman, T.R.Gentile, R.C.Gillis, G.L.Greene, F.W.Hersman, T.Ino, S.Ishimoto, G.L.Jones, B.Lauss, M.B.Leuschner, B.Losowski, R.Mahurin, Y.Masuda, G.S.Mitchell, S.Muto, H.Nann, S.A.Page, S.I.Penttila, W.D.Ramsay, S.Santra, P.-N.Seo, E.I.Sharapov, T.B.Smith, W.M.Snow, W.S.Wilburn, V.Yuan, H.Zhu Commissioning of the NPDGamma Detector Array: Counting Statistics in Current Mode Operation and Parity Violation in the Capture of Cold Neutrons on B4C and 27Al NUCLEAR REACTIONS 10B, 27Al(polarized n, γ), E=low; measured parity-violating γ-ray asymmetry.
doi: 10.6028/jres.110.027
2005JE03 Phys.Rev. C 71, 041301 (2005) D.G.Jenkins, B.R.Fulton, J.Pearson, C.J.Lister, M.P.Carpenter, S.J.Freeman, N.J.Hammond, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, A.H.Wuosmaa, P.Fallon, A.Gorgen, A.O.Macchiavelli, M.McMahan, M.Freer, F.Haas Doorway states as a principal decay pathway in 12C(12C, γ) radiative capture NUCLEAR REACTIONS 12C(12C, γ), E(cm) ≈ 8 MeV; measured Eγ, Iγ, σ; deduced role of doorway states. Gammasphere array.
doi: 10.1103/PhysRevC.71.041301
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