NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = S.J.Williams Found 71 matches. 2023LO02 Phys.Rev. C 107, 014620 (2023) B.Longfellow, A.Gade, D.Bazin, P.C.Bender, M.Bowry, B.A.Brown, B.Elman, E.Lunderberg, D.Rhodes, M.Spieker, D.Weisshaar, S.J.Williams Relative population of states in 21Mg from few-nucleon removal reactions NUCLEAR REACTIONS 9Be(24Mg, X)21Mg, E=95 MeV/nucleon; 9Be(25Al, )21Mg, E=102 MeV/nucleon; 9Be(26Si, X)21Mg, E=95 MeV/nucleon; measured Eγ, Iγ, γγ-coin; deduced parallel momentum distribution of the 21Mg reaction product, correlation between the ratio of the population of levels in 21Mg produced from 26Si to the population of levels in 21Mg produced from 25Al. 9Be(24Mg, X)21Mg, E=95 MeV/nucleon; deduced σ for three-neutron removal. 21Mg; deduced levels, J, π, γ-ray transition relative intensities. 9Be(25Al, X)22Mg, E=67 MeV/nucleon; 9Be(26Si, X)22Mg, E=72 MeV/nucleon; analyzed experimental Eγ, Iγ, from 2008GA10 Phys.Rev. C 77, 044306; deduced parallel momentum distributions for 22Mg reaction product, ratio of the population of levels in 22Mg produced from 26Si to the population of levels in 22Mg produced from 25Al as function of the spin. Observed unexpected strong correlation between the relative population of the states in 21Mg and the spin of the populated level in reactions caused be 25Al and 26Si. Comparison to shell-model calculations using the USDB Hamiltonian. CAESium-iodide scintillator ARray (CAESAR) consisting of 192 CsI(Na) scintillators and S800 magnetic spectrograph at Coupled Cyclotron Facility (NSCL).
doi: 10.1103/PhysRevC.107.014620
2020LO05 Phys.Rev. C 101, 031303 (2020) B.Longfellow, A.Gade, J.A.Tostevin, E.C.Simpson, B.A.Brown, A.Magilligan, D.Bazin, P.C.Bender, M.Bowry, B.Elman, E.Lunderberg, D.Rhodes, M.Spieker, D.Weisshaar, S.J.Williams Two-neutron knockout as a probe of the composition of states in 22Mg, 23Al, and 24Si NUCLEAR REACTIONS 9Be(24Mg, 22Mg), E=95 MeV/nucleon; 9Be(25Al, 23Al), E=102 MeV/nucleon; 9Be(26Si, 24Si), E=109 MeV/nucleon, [secondary beams of 24Mg, 25Al and 26Si from 9Be(36Ar, X), E=150 MeV/nucleon primary reaction, followed by separation of fragments using A1900 fragment separator at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, parallel momentum distributions using S800 spectrograph for particles and 192-element caesium-iodide scintillator array CAESAR for γ detection. 22Mg, 23Al, 24Si; deduced levels, J, π. Comparison with eikonal reaction theory and shell model calculations. Relevance to 23Al(p, γ)24Si astrophysical reaction rates.
doi: 10.1103/PhysRevC.101.031303
2020SM02 Phys.Rev. C 102, 054314 (2020) J.K.Smith, A.B.Garnsworthy, J.L.Pore, C.Andreoiu, A.D.MacLean, A.Chester, Z.Beadle, G.C.Ball, P.C.Bender, V.Bildstein, R.Braid, A.Diaz Varela, R.Dunlop, L.J.Evitts, P.E.Garrett, G.Hackman, S.V.Ilyushkin, B.Jigmeddorj, K.Kuhn, A.T.Laffoley, K.G.Leach, D.Miller, W.J.Mills, W.Moore, M.Moukaddam, B.Olaizola, E.E.Peters, A.J.Radich, E.T.Rand, F.Sarazin, C.E.Svensson, S.J.Williams, S.W.Yates Spectroscopic study of 47Ca from the β- decay of 47K RADIOACTIVITY 47K(β-)[from U(p, X), E=500 MeV at the TRIUMF Cyclotron, followed by extraction of surface-ionized 47K ions, accelerated to 28 keV, passed through a high-resolution mass separator, and deposited on a mylar tape for counting]; measured Eγ, Iγ, Eβ, ce, γγ-coin, γγ(θ) using GRIFFIN array of 16 clover Ge detectors, plastic scintillators for β particles, and Si(Li) detectors for conversion electrons. 47Ca; deduced levels, J, π, multipolarities and mixing ratios, β feedings, logft, γ-branching ratios, B(GT). Comparison with previous results.
doi: 10.1103/PhysRevC.102.054314
2019LO06 Phys.Rev. C 99, 064330 (2019) B.Longfellow, A.Gade, B.A.Brown, D.Bazin, P.C.Bender, M.Bowry, P.D.Cottle, B.Elman, E.Lunderberg, A.Magilligan, M.Spieker, D.Weisshaar, S.J.Williams Spectroscopy and lifetime measurements near the proton drip line: 26, 27, 28P NUCLEAR REACTIONS 9Be(26Si, 26P), (27P, 26P), (28S, 26P), (26Si, 27P), (30S, 27P), (34Ar, 27P), (29P, 28P), (34Ar, 28P), (33Cl, 28P), (30S, 28P), (28Si, 27Si), E=118 MeV/nucleon, [secondary beams from 9Be(36Ar, X), E=150 MeV/nucleon primary beam, followed by fragment separation by A1900 fragment separator at NSCL-MSU facility]; measured reaction products, particle identification plot, Eγ, Iγ using CEASAR and SeGA arrays for γ detection and the S800 spectrograph focal plane detectors for charged particle identification. 26,27,28P, 27Si; deduced levels, J, π, level half-lives; calculated Thomas-Ehrman shifts applied to energies in mirror nuclei. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.99.064330
2019PO06 Phys.Rev. C 100, 054327 (2019) J.L.Pore, C.Andreoiu, J.K.Smith, A.D.MacLean, A.Chester, J.D.Holt, G.C.Ball, P.C.Bender, V.Bildstein, R.Braid, A.Diaz Varela, R.Dunlop, L.J.Evitts, A.B.Garnsworthy, P.E.Garrett, G.Hackman, S.V.Ilyushkin, B.Jigmeddorj, K.Kuhn, P.Kunz, A.T.Laffoley, K.G.Leach, D.Miller, W.J.Mills, W.Moore, M.Moukaddam, L.N.Morrison, B.Olaizola, E.E.Peters, A.J.Radich, E.T.Rand, F.Sarazin, D.Southall, C.E.Svensson, S.J.Williams, S.W.Yates Detailed spectroscopy of 46Ca: A study of the β- decay of 46K RADIOACTIVITY 46K(β-)[from U(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ), ce, β particles using GRIFFIN array of 15 HPGe detectors for γ detection, PACES array of five Si(Li) detectors for conversion electrons, and SCEPTAR array of 10 plastic scintillators for β-particle tagging, half-life of 46K decay at TRIUMF-ISAC facility. 46Ca; deduced levels, J, π, β feedings, logft, γ-branching ratios, multipole mixing ratios. Comparison of level structure with theoretical predictions from microscopic valence space Hamiltonians derived from NN+3N forces.
doi: 10.1103/PhysRevC.100.054327
2019RE07 Phys.Rev. C 99, 065502 (2019) B.M.Rebeiro, S.Triambak, P.Z.Mabika, P.Finlay, C.S.Sumithrarachchi, G.Hackman, G.C.Ball, P.E.Garrett, C.E.Svensson, D.S.Cross, R.Dunlop, A.B.Garnsworthy, R.Kshetri, J.N.Orce, M.R.Pearson, E.R.Tardiff, H.Al Falou, R.A.E.Austin, R.Churchman, M.K.Djongolov, R.D'Entremont, C.Kierans, L.Milovanovic, S.O'Hagan, S.Reeve, S.K.L.Sjue, S.J.Williams, S.S.Ntshangase Precise branching ratio measurements in 19Ne β decay and fundamental tests of the weak interaction RADIOACTIVITY 19Ne(β+)[from C, Si(p, X), E=500 MeV at TRIUMF facility]; measured Eγ, Iγ, electron spectra, βγ-coin using the 8π γ-ray spectrometer and SCEPTAR detector array at TRIUMF-ISAC facility. 19F; deduced levels, β+-branching ratios, precise β branch for superallowed ground-state to ground-state branch, Ft values, Vud element of the CKM quark-mixing matrix. Comparison with previous experimental results. Discussed implications for testing weak interaction symmetries.
doi: 10.1103/PhysRevC.99.065502
2018KU01 Phys.Lett. B 777, 250 (2018) M.Kumar Raju, J.N.Orce, P.Navratil, G.C.Ball, T.E.Drake, S.Triambak, G.Hackman, C.J.Pearson, K.J.Abraham, E.H.Akakpo, H.Al Falou, R.Churchman, D.S.Cross, M.K.Djongolov, N.Erasmus, P.Finlay, A.B.Garnsworthy, P.E.Garrett, D.G.Jenkins, R.Kshetri, K.G.Leach, S.Masango, D.L.Mavela, C.V.Mehl, M.J.Mokgolobotho, C.Ngwetsheni, G.G.O'Neill, E.T.Rand, S.K.L.Sjue, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, S.J.Williams, J.Wong Reorientation-effect measurement of the first 2+ state in 12C: Confirmation of oblate deformation NUCLEAR REACTIONS 194Pt(12C, 12C'), E=4.975 MeV/nucleon; measured reaction products, Eγ, Iγ. 12C; deduced γ-ray yields, B(E2) diagonal matrix element, oblate deformation. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2017.12.009
2018LO10 Phys.Rev. C 97, 054307 (2018) B.Longfellow, A.Gade, B.A.Brown, W.A.Richter, D.Bazin, P.C.Bender, M.Bowry, B.Elman, E.Lunderberg, D.Weisshaar, S.J.Williams Measurement of key resonances for the 24Al(p, γ) 25Si reaction rate using in-beam γ-ray spectroscopy NUCLEAR REACTIONS 9Be(26Si, 25Si), E=118 MeV/nucleon; 9Be(25Al, 25Si), E=111 MeV/nucleon, [secondary 25Al and 26Si beams from 9Be(36Ar, X), E=150 MeV/nucleon primary reaction, and using A1900 fragment separator]; measured reaction products, yields, Eγ, Iγ, γγ- and (particle)γ-coin using S800 spectrograph for particles, and the CAESAR and SeGA arrays for γ detection at NSCL-MSU. 25Si; deduced levels, J, π, and γ-decay branching ratios, and compared with experimental levels for mirror nucleus 25Na, and with USDB+CD shell-model calculations. 24Al(p, γ)25Si, T=0.1-10 GK; calculated astrophysical reaction rates using the experimental states and states from charge-dependent USDA and USDB shell-model calculations. Comparison with other theoretical reaction rates.
doi: 10.1103/PhysRevC.97.054307
2017EL04 Phys.Rev. C 96, 044332 (2017) B.Elman, A.Gade, D.Weisshaar, D.Barofsky, D.Bazin, P.C.Bender, M.Bowry, M.Hjorth-Jensen, K.W.Kemper, S.Lipschutz, E.Lunderberg, N.Sachmpazidi, N.Terpstra, W.B.Walters, A.Westerberg, S.J.Williams, K.Wimmer Quadrupole collectivity beyond N = 50 in neutron-rich Se and Kr isotopes NUCLEAR REACTIONS 209Bi(88Kr, 88Kr'), E=67 MeV/nucleon; 209Bi(90Kr, 90Kr'), E=68 MeV/nucleon; 209Bi(86Se, 86Se'), E=79 MeV/nucleon, [secondary 88,90Kr, 86Se beams from 9Be(96Zr, X), E=120 MeV/nucleon using A1900 fragment separator at the NSCL-MSU Cyclotron Laboratory]; measured reaction products and particle identification plot, Doppler-corrected Eγ, Iγ, (particle)γ-coin, σ, using the CAESAR array of 192 CsI(Na) scintillators. 88,90Kr, 86Se; deduced levels, J, π, Coulomb excitation yields, B(E2) for excited 2+ states. Comparison with shell-model calculations. 88,90Kr, 86Se; calculated shell-model occupations of the proton and neutron orbitals for the observed levels. Systematics of B(E2) values for the first 2+ states in N=36-60 Kr and Se nuclei.
doi: 10.1103/PhysRevC.96.044332
2017RA20 Eur.Phys.J. A 53, 184 (2017); Erratum Eur.Phys.J. A 54, 213 (2018) A.J.Radich, P.E.Garrett, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, E.McGee, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, S.J.Williams, J.Wong, J.L Wood and S.W.Yates New decay modes of the high-spin isomer of 124Cs RADIOACTIVITY 124m,124Cs(IT), (β+);124Ba(β+); measured Eγ, Iγ, γγ-coin, X-rays, Eβ, Iβ, ee-coin. 124Xe[from Β+/EC-decay of 124mCs]; deduced levels, J, π, γ-ray transitions. 124mCs; deduced branching ratios for 16 levels populated in γ-decay of 7+ state.
doi: 10.1140/epja/i2017-12383-5
2017RI06 Phys.Rev. C 96, 011303 (2017) A.L.Richard, H.L.Crawford, P.Fallon, A.O.Macchiavelli, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, M.D.Jones, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, J.Rissanen, M.Salathe, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Strongly coupled rotational band in 33Mg NUCLEAR REACTIONS 9Be(46Ar, 33Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction at NSCL-MSU facility]; measured reaction products, Eγ, Iγ, (33Mg)γ-, γγ-coin using S800 spectrograph for particle identification and GRETINA array for γ detection. 33Mg; deduced low-energy yrast levels, J, π, rotational band, ground-state magnetic moment, and intrinsic quadrupole moment. Comparison with strong-coupling limit of a rotational model.
doi: 10.1103/PhysRevC.96.011303
2016CR01 Phys.Rev. C 93, 031303 (2016) H.L.Crawford, P.Fallon, A.O.Macchiavelli, A.Poves, V.M.Bader, D.Bazin, M.Bowry, C.M.Campbell, M.P.Carpenter, R.M.Clark, M.Cromaz, A.Gade, E.Ideguchi, H.Iwasaki, C.Langer, I.Y.Lee, C.Loelius, E.Lunderberg, C.Morse, A.L.Richard, J.Rissanen, D.Smalley, S.R.Stroberg, D.Weisshaar, K.Whitmore, A.Wiens, S.J.Williams, K.Wimmer, T.Yamamato Rotational band structure in 32Mg NUCLEAR REACTIONS 9Be(46Ar, 32Mg), E=102 MeV/nucleon, [secondary 46Ar beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, Iγ, (32Mg)γ-, γγ-coin using A1900 fragment separator, S800 spectrograph and GRETINA array at NSCL-MSU. 32Mg; deduced levels, J, π, rotational band in a nuclide in "island of inversion", configuration. Comparison with large-scale shell model calculations using ANTOINE code with the SDPF-U-MIX effective two-body interaction.
doi: 10.1103/PhysRevC.93.031303
2016WI03 Phys.Lett. B 759, 417 (2016) G.L.Wilson, W.N.Catford, N.A.Orr, C.Aa.Diget, A.Matta, G.Hackman, S.J.Williams, I.C.Celik, N.L.Achouri, H.Al Falou, R.Ashley, R.A.E.Austin, G.C.Ball, J.C.Blackmon, A.J.Boston, H.C.Boston, S.M.Brown, D.S.Cross, M.Djongolov, T.E.Drake, U.Hager, S.P.Fox, B.R.Fulton, N.Galinski, A.B.Garnsworthy, D.Jamieson, R.Kanungo, K.G.Leach, J.N.Orce, C.J.Pearson, M.Porter-Peden, F.Sarazin, E.C.Simpson, S.Sjue, D.Smalley, C.Sumithrarachchi, S.Triambak, C.Unsworth, R.Wadsworth Shell evolution approaching the N = 20 island of inversion: Structure of 26Na NUCLEAR REACTIONS 2H(25Na, pγ)26Na, E=5 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced σ(θ), energy levels, J, π, level scheme. Comparison with available data.
doi: 10.1016/j.physletb.2016.05.093
2015CA03 Acta Phys.Pol. B46, 527 (2015) W.N.Catford, I.C.Celik, G.L.Wilson, A.Matta, N.A.Orr, C.Aa.Diget, P.Adsley, H.Al Falou, R.Ashley, R.A.E.Austin, G.C.Ball, J.C.Blackmon, A.J.Boston, H.C.Boston, S.M.Brown, D.S.Cross, M.Djongolov, T.E.Drake, U.Hager, S.P.Fox, B.R.Fulton, N.Galinski, A.B.Garnsworthy, G.Hackman, D.Jamieson, R.Kanungo, K.Leach, J-P.Martin, J.N.Orce, C.J.Pearson, M.Porter-Peden, F.Sarazin, S.Sjue, C.Sumithrarachchi, C.E.Svensson, S.Triambak, C.Unsworth, R.Wadsworth, S.J.Williams Structure of 26Na via a Novel Technique Using (d, pγ) with a Radioactive 25Na Beam NUCLEAR REACTIONS 2H(25Na, X)26Na, E not given; measured reaction products, Eγ, Iγ; deduced excited states, J, π.
doi: 10.5506/APhysPolB.46.527
2015CH25 Phys.Rev. C 91, 044309 (2015) C.J.Chiara, D.Weisshaar, R.V.F.Janssens, Y.Tsunoda, T.Otsuka, J.L.Harker, W.B.Walters, F.Recchia, M.Albers, M.Alcorta, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, P.F.Bertone, C.M.Campbell, M.P.Carpenter, J.Chen, H.L.Crawford, H.M.David, D.T.Doherty, A.Gade, C.R.Hoffman, M.Honma, F.G.Kondev, A.Korichi, C.Langer, N.Larson, T.Lauritsen, S.N.Liddick, E.Lunderberg, A.O.Macchiavelli, S.Noji, C.Prokop, A.M.Rogers, D.Seweryniak, N.Shimizu, S.R.Stroberg, S.Suchyta, Y.Utsuno, S.J.Williams, K.Wimmer, S.Zhu Identification of deformed intruder states in semi-magic 70Ni NUCLEAR REACTIONS 208Pb(70Zn, X)70Ni, E=440 MeV; measured Eγ, Iγ, prompt- and delayed-γ spectra, γγ-coin, γγ(θ) using Gammasphere array at ATLAS-ANL facility. 9Be(82Se, X)70Ni, E=140 MeV/nucleon; measured Eγ, Iγ, (70Ni)γ-, γγ-coin, prompt and delayed γ rays using S800 spectrograph, GRETINA and CsI(Na) arrays at NSCL-MSU facility. 70Ni; deduced levels, J, π. Comparison with Monte Carlo shell-model calculations. NUCLEAR STRUCTURE 68,70Ni, 92Mo; calculated levels, J, π, potential-energy surface contours in (Q2, Q4) plane. Shell-model using jj44bpn, jj44pna, JUN45, and JUN45 effective interactions, and Monte Carlo shell-model with A3DA interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.044309
2015MA62 Phys.Rev. C 92, 054320 (2015) B.R.Marks, P.A.DeYoung, J.K.Smith, T.Baumann, J.Brown, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, A.N.Kuchera, B.Luther, A.Spyrou, S.Stephenson, C.Sullivan, M.Thoennessen, N.Viscariello, S.J.Williams Population of 13Be in a nucleon exchange reaction NUCLEAR REACTIONS 9Be(13B, 13Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction]; measured E(n), I(n) from the decay of 13Be into 12B+n, decay energy spectrum reconstructed by invariant-mass method using A1900 fragment separator and MoNA-LISA array at NSCL-MSU. Nucleon (-1p, +1n) exchange reaction. 13Be; deduced levels, resonances, J, π, widths, relative populations. Comparison with previous experimental data.
doi: 10.1103/PhysRevC.92.054320
2015NO04 Phys.Rev. C 92, 024312 (2015) S.Noji, R.G.T.Zegers, SamM.Austin, T.Baugher, D.Bazin, B.A.Brown, C.M.Campbell, A.L.Cole, H.J.Doster, A.Gade, C.J.Guess, S.Gupta, G.W.Hitt, C.Langer, S.Lipschutz, E.Lunderberg, R.Meharchand, Z.Meisel, G.Perdikakis, J.Pereira, F.Recchia, H.Schatz, M.Scott, S.R.Stroberg, C.Sullivan, L.Valdez, C.Walz, D.Weisshaar, S.J.Williams, K.Wimmer Gamow-Teller transitions to 45Ca via the 45Sc (t, 3He+γ) reaction at 115 MeV/u and its application to stellar electron-capture rates NUCLEAR REACTIONS 45Sc(t, 3He), E=115 MeV/nucleon, [triton beam from 9Be(16O, X), E=150 MeV/nucleon reaction]; measured 3He spectra, double-differential σ(θ), Eγ, Iγ, (particle)γ-coin using S800 spectrometer, cathode-readout drift chambers (CRDCs) and Gretina array at NSCL-MSU Coupled-Cyclotron facility. 45Ca; deduced levels, J, π, B(GT) strength functions, electron capture rates on 45Ca as function of stellar temperatures T9=8.5-10.5, poor agreement with shell-model calculations in the pf space and using GXPF1A, KB3G, and FPD6 interactions. Comparison of B(GT) with that from 45Ca g.s. to 45Sc g.s. β transition.
doi: 10.1103/PhysRevC.92.024312
2015RA05 Phys.Rev. C 91, 044320 (2015) A.J.Radich, P.E.Garrett, J.M.Allmond, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, J.L.Wood, J.Wong, S.J.Williams, S.W.Yates Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe RADIOACTIVITY 124Cs(β+), (EC)[from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin using 8π array at TRIUMF-ISAC facility. 124Xe; deduced levels, J, π, B(E2) ratios, deformation parameters, proton-pairing vibrational band; analyzed previous Coulomb excitation data by GOSIA code. Comparison with interacting boson model (IBM) and dynamic-pairing plus quadrupole (DPPQ) model calculations. Systematics of energies and B(E2) values for 0+ and 2+ states in 120,122,124,126,128,130Xe.
doi: 10.1103/PhysRevC.91.044320
2015SM02 Nucl.Phys. A940, 235 (2015) J.K.Smith, T.Baumann, J.Brown, P.A.DeYoung, N.Frank, J.Hinnefeld, Z.Kohley, B.Luther, B.Marks, A.Spyrou, S.L.Stephenson, M.Thoennessen, S.J.Williams Selective population of unbound states in 10Li NUCLEAR REACTIONS 9Be(12B, 2p), E=71 MeV/nucleon. 10Li measured halo nucleus decay to 9Li plus neutron; calculated one-state and three-state decay; deduced resonances.
doi: 10.1016/j.nuclphysa.2015.04.011
2015WI02 Nucl.Instrum.Methods Phys.Res. A769, 65 (2015) K.Wimmer, D.Barofsky, D.Bazin, L.M.Fraile, J.Lloyd, J.R.Tompkins, S.J.Williams IsoTagger: Identification of isomeric nuclear states produced in fragmentation reactions with radioactive beams RADIOACTIVITY 61Fe, 68Ni(IT); measured Eγ, (particle)γ(t), half-lives of isomers using S-800 spectrograph, GRETINA Ge detector and CsI(Na) scintillation detector arrays at NSCL-MSU facility. New method to detect and identify isomeric states produced in intermediate beam-energy reactions with secondary radioactive beams.
doi: 10.1016/j.nima.2014.09.081
2014GA07 Phys.Rev.Lett. 112, 112503 (2014) A.Gade, R.V.F.Janssens, D.Weisshaar, B.A.Brown, E.Lunderberg, M.Albers, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, C.M.Campbell, M.P.Carpenter, C.J.Chiara, H.L.Crawford, M.Cromaz, U.Garg, C.R.Hoffman, F.G.Kondev, C.Langer, T.Lauritsen, I.Y.Lee, S.M.Lenzi, J.T.Matta, F.Nowacki, F.Recchia, K.Sieja, S.R.Stroberg, J.A.Tostevin, S.J.Williams, K.Wimmer, S.Zhu Nuclear Structure Towards N=40 60Ca: In-Beam γ-Ray Spectroscopy of 58, 60Ti NUCLEAR REACTIONS Be(61V, X)58Ti/60Ti, E=90 MeV/nucleon; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, partial σ. Comparison with calculations using GXPF1A and LNPS spectroscopic factors, GRETINA at MSU.
doi: 10.1103/PhysRevLett.112.112503
2014KW03 Phys.Lett. B 732, 210 (2014) E.Kwan, C.Y.Wu, N.C.Summers, G.Hackman, T.E.Drake, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.J.Boston, H.C.Boston, A.Chester, A.Close, D.Cline, D.S.Cross, R.Dunlop, A.Finlay, A.B.Garnsworthy, A.B.Hayes, A.T.Laffoley, T.Nano, P.Navratil, C.J.Pearson, J.Pore, S.Quaglioni, C.E.Svensson, K.Starosta, I.J.Thompson, P.Voss, S.J.Williams, Z.M.Wang Precision measurement of the electromagnetic dipole strengths in 11Be NUCLEAR REACTIONS 196Pt(11Be, 11Be'), E=1.73, 2.09 MeV/nucleon;measured reaction products, Eγ, Iγ. 11Be; deduced yields, B(E1). Comparison with FRESCO code calculations.
doi: 10.1016/j.physletb.2014.03.049
2014SM01 Phys.Rev. C 89, 024602 (2014) D.Smalley, F.Sarazin, F.M.Nunes, B.A.Brown, P.Adsley, H.Al Falou, C.Andreoiu, B.Baartman, G.C.Ball, J.C.Blackmon, H.C.Boston, W.N.Catford, S.Chagnon-Lessard, A.Chester, R.M.Churchman, D.S.Cross, C.Aa.Diget, D.Di Valentino, S.P.Fox, B.R.Fulton, A.Garnsworthy, G.Hackman, U.Hager, R.Kshetri, J.N.Orce, N.A.Orr, E.Paul, M.Pearson, E.T.Rand, J.Rees, S.Sjue, C.E.Svensson, E.Tardiff, A.Diaz Varela, S.J.Williams, S.Yates Two-neutron transfer reaction mechanisms in 12C(6He, 4He)14C using a realistic three-body 6He model NUCLEAR REACTIONS 12C(6He, 6He), (6He, 6He'), E=30 MeV; measured 6He spectra, σ(θ); deduced optical potential parameters. 12C(6He, α)14C, E=30 MeV; measured Eα, Iα, σ(θ) using SHARC charged-particle detector and TIGRESS γ-detection arrays at ISAC-II-TRIUMF facility. 14C; deduced levels, J, π. Low energy elastic and inelastic scattering, and transfer reactions. Comparison with DWBA calculations including realistic three-body model, and shell-model calculations. Discussed higher-order effects in the reaction mechanism.
doi: 10.1103/PhysRevC.89.024602
2014SM03 Phys.Rev. C 90, 024309 (2014) J.K.Smith, T.Baumann, D.Bazin, J.Brown, S.Casarotto, P.A.DeYoung, N.Frank, J.Hinnefeld, M.Hoffman, M.D.Jones, Z.Kohley, B.Luther, B.Marks, N.Smith, J.Snyder, A.Spyrou, S.L.Stephenson, M.Thoennessen, N.Viscariello, S.J.Williams Low-lying neutron unbound states in 12Be NUCLEAR REACTIONS 9Be(13B, 12Be), E=71 MeV/nucleon, [secondary 13B beam from 9Be(18O, X), E=120 MeV/nucleon primary reaction; measured particle and neutron spectra, (12Be)n-, (11Be)2n-coin using A1900 fragment separator and MoNA-LISA array for neutron and fragment detection at NSCL-MSU facility. 12Be; deduced decay energy, level energy, resonance, L-value, J, π, width, one-neutron decay, no evidence for the 2n-decay channel to 10Be. Comparison with previous experimental results, and with continuum shell model calculation.
doi: 10.1103/PhysRevC.90.024309
2014ST18 Phys.Rev. C 90, 034301 (2014) S.R.Stroberg, A.Gade, J.A.Tostevin, V.M.Bader, T.Baugher, D.Bazin, J.S.Berryman, B.A.Brown, C.M.Campbell, K.W.Kemper, C.Langer, E.Lunderberg, A.Lemasson, S.Noji, F.Recchia, C.Walz, D.Weisshaar, S.J.Williams Single-particle structure of silicon isotopes approaching 42Si NUCLEAR REACTIONS 9Be(36Si, 35Si), (36Si, 35Al), E=97.7 MeV/nucleon; 9Be(38Si, 37Si), (38Si, 37Al), E=86 MeV/nucleon; 9Be(40Si, 39Si), (40Si, 39Al), E=79 MeV/nucleon, [secondary beams of 36,38,40Si produced in 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Doppler-shifted γ-ray spectra, Eγ, Iγ, γγ-, (residue)γ-coin, (36Si)γ-coin using GRETINA array for γ detection and ionization chamber and plastic scintillators in the focal plane of S800 spectrograph at NSCL-MSU facility. 35,37,39Al, 35,37,39Si; deduced levels, J, π, parallel momentum distributions, l-values. 36,38,40Si; one-neutron and one-proton total and partial knockout σ, single-particle structure, and enhanced collectivity in the region of 42Si. Eikonal model analysis of parallel momentum distributions. Comparison with large-scale shell model calculations. NUCLEAR STRUCTURE 35,37,39Al, 35,37,39Si; calculated levels, J, π using large-scale shell model with SDPF-U and SDPF-MU interactions. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.034301
2013CH12 Phys.Rev.Lett. 110, 122502 (2013) L.Chen, P.M.Walker, H.Geissel, Yu.A.Litvinov, K.Beckert, P.Beller, F.Bosch, D.Boutin, L.Caceres, J.J.Carroll, D.M.Cullen, I.J.Cullen, B.Franzke, J.Gerl, M.Gorska, G.A.Jones, A.Kishada, R.Knobel, C.Kozhuharov, J.Kurcewicz, S.A.Litvinov, Z.Liu, S.Mandal, F.Montes, G.Munzenberg, F.Nolden, T.Ohtsubo, Z.Patyk, W.R.Plass, Zs.Podolyak, S.Rigby, N.Saito, T.Saito, C.Scheidenberger, E.C.Simpson, M.Shindo, M.Steck, B.Sun, S.J.Williams, H.Weick, M.Winkler, H.-J.Wollersheim, T.Yamaguchi Direct Observation of Long-Lived Isomers in 212Bi NUCLEAR REACTIONS Be(238U, X)212Bi, E=670 MeV/nucleon; measured revolution frequency; deduced isomeric states excitation energies, level scheme, T1/2. Comparison with shell model calculations.
doi: 10.1103/PhysRevLett.110.122502
2013DU14 Phys.Rev. C 88, 045501 (2013) R.Dunlop, G.C.Ball, J.R.Leslie, C.E.Svensson, I.S.Towner, C.Andreoiu, S.Chagnon-Lessard, A.Chester, D.S.Cross, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, K.Starosta, E.R.Tardiff, S.Triambak, S.J.Williams, J.Wong, S.W.Yates, E.F.Zganjar High-precision branching-ratio measurement for the superallowed Β+ emitter 74Rb RADIOACTIVITY 74Rb(β+), (EC)[from Nb(p, X, ), E=500 MeV]; measured Eγ, Iγ, Eβ, Iβ, ce, γγ-, γ(ce)-, βγ-, β(ce)-coin using 8π array for γ rays, SCEPTAR for β particles and PACES for conversion electrons at ISAC-TRIUMF facility. 74Kr; deduced levels, J, π, conversion coefficients, multipolarity, E0 transition, branching ratio for superallowed β transition, logft, GT+F, isospin-symmetry breaking terms. Comparison of experimental GT values with theoretical values.
doi: 10.1103/PhysRevC.88.045501
2013GR03 Phys.Rev. C 87, 045502 (2013) G.F.Grinyer, G.C.Ball, H.Bouzomita, S.Ettenauer, P.Finlay, A.B.Garnsworthy, P.E.Garrett, K.L.Green, G.Hackman, J.R.Leslie, C.J.Pearson, E.T.Rand, C.S.Sumithrarachchi, C.E.Svensson, J.C.Thomas, S.Triambak, S.J.Williams Improved half-life determination and β-delayed γ-ray spectroscopy for 18Ne decay RADIOACTIVITY 18Ne(β+); measured Eγ, Iγ, Eβ, βγ-coin, T1/2 using 8π and SCEPTAR arrays at TRIUMF-ISAC facility; deduced β branching ratios. Comparison with previous experimental results for half-life. Superallowed β decay.
doi: 10.1103/PhysRevC.87.045502
2012FI06 Phys.Rev. C 85, 055501 (2012) P.Finlay, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, S.Ettenauer, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, E.T.Rand, C.S.Sumithrarachchi, S.Triambak, S.J.Williams High-precision branching-ratio measurement for the superallowed β+ emitter 26Alm RADIOACTIVITY 26mAl(β+), (EC); measured Iβ, Eγ, Iγ, βγ-coin, βγ-anticoin at TRIUMF-ISAC facility; deduced upper limit for total non-superallowed β++EC branching ratio to excited states in 26Mg.
doi: 10.1103/PhysRevC.85.055501
2012OR05 Phys.Rev. C 86, 041303 (2012) J.N.Orce, T.E.Drake, M.K.Djongolov, P.Navratil, S.Triambak, G.C.Ball, H.Al Falou, R.Churchman, D.S.Cross, P.Finlay, C.Forssen, A.B.Garnsworthy, P.E.Garrett, G.Hackman, A.B.Hayes, R.Kshetri, J.Lassen, K.G.Leach, R.Li, J.Meissner, C.J.Pearson, E.T.Rand, F.Sarazin, S.K.L.Sjue, M.A.Stoyer, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, A.Teigelhoefer, S.J.Williams, J.Wong, C.Y.Wu Reorientation-effect measurement of the (2+1 ll E2 ll 2+1) matrix element in 10Be NUCLEAR REACTIONS 194Pt(10Be, 10Be'), E=41 MeV, [10Be beam from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, particle spectra, (particle)γ-coin, angular distribution of γ yields for first 2+ states in 10Be and 194Pt using TIGRESS array at TRIUMF-ISACII facility. 10Be; deduced levels, J, π, diagonal matrix element for first 2+ state, spectroscopic quadrupole moment. 10Be, 194Pt; analyzed yield data using GOSIA code. Reorientation-effect in Coulomb-excitation. Comparison with shell-model (NCSM) calculations.
doi: 10.1103/PhysRevC.86.041303
2012TR06 Phys.Rev.Lett. 109, 042301 (2012) S.Triambak, P.Finlay, C.S.Sumithrarachchi, G.Hackman, G.C.Ball, P.E.Garrett, C.E.Svensson, D.S.Cross, A.B.Garnsworthy, R.Kshetri, J.N.Orce, M.R.Pearson, E.R.Tardiff, H.Al Falou, R.A.E.Austin, R.Churchman, M.K.Djongolov, R.D'Entremont, C.Kierans, L.Milovanovic, S.O'Hagan, S.Reeve, S.K.L.Sjue, S.J.Williams High-Precision Measurement of the 19Ne Half-Life and Implications for Right-Handed Weak Currents RADIOACTIVITY 19Ne(EC); measured reaction products, Eγ, Iγ; deduced T1/2, right-hand interaction. Comparison with available data.
doi: 10.1103/PhysRevLett.109.042301
2011CR05 J.Instrum. 6, 08008 (2011) D.S.Cross, G.C.Ball, P.E.Garrett, S.Triambak, S.J.Williams, C.Andreoiu, R.Churchman, A.B.Garnsworthy, G.Hackman, J.R.Leslie, J.N.Orce, C.S.Sumithrarachchi, C.E.Svensson Commissioning the DANTE array of BaF2 detectors at TRIUMF-ISAC using a fast-timing lifetime measurement RADIOACTIVITY 152Eu(EC); measured decay products, Eγ, Iγ; deduced 152Sm first excited state T1/2. Comparison with available data.
doi: 10.1088/1748-0221/6/08/p08008
2011FI01 Phys.Rev.Lett. 106, 032501 (2011) P.Finlay, S.Ettenauer, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, C.S.Sumithrarachchi, S.Triambak, S.J.Williams High-Precision Half-Life Measurement for the Superallowed β+ Emitter 26Alm RADIOACTIVITY 26Al(β+) [from Si(p, X), E=500 MeV]; measured decay products; deduced T1/2. Comparison with Skyrme-Hartree-Fock calculations. COMPILATION 10C, 14O, 22Mg, 26Al, 34Cl, 34Ar, 38K, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb; compiled log ft values.
doi: 10.1103/PhysRevLett.106.032501
2010KA03 Phys.Lett. B 682, 391 (2010) R.Kanungo, A.T.Gallant, M.Uchida, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, G.C.Ball, J.A.Becker, A.J.Boston, H.C.Boston, B.A.Brown, L.Buchmann, S.J.Colosimo, R.M.Clark, D.Cline, D.S.Cross, H.Dare, B.Davids, T.E.Drake, M.Djongolov, P.Finlay, N.Galinski, P.E.Garrett, A.B.Garnsworthy, K.L.Green, S.Grist, G.Hackman, L.J.Harkness, A.B.Hayes, D.Howell, A.M.Hurst, H.B.Jeppesen, K.G.Leach, A.O.Macchiavelli, D.Oxley, C.J.Pearson, B.Pietras, A.A.Phillips, S.V.Rigby, C.Ruiz, G.Ruprecht, F.Sarazin, M.A.Schumaker, A.C.Shotter, C.S.Sumitharachchi, C.E.Svensson, I.Tanihata, S.Triambak, C.Unsworth, S.J.Williams, P.Walden, J.Wong, C.Y.Wu Structure of states in 12Be via the 11Be(d, p) reaction NUCLEAR REACTIONS 2H(11Be, p), E=5 MeV/nucleon; measured proton spectra, recoiling and product nucleus spectra, p(nucleus)-coin; deduced σ(θ), Q-value spectra, peak widths. 12Be; deduced energy levels, J, π, spectroscopic factors using DWBA analysis.
doi: 10.1016/j.physletb.2009.11.025
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
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
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
2009HU03 Phys.Lett. B 674, 168 (2009) A.M.Hurst, C.Y.Wu, J.A.Becker, M.A.Stoyer, C.J.Pearson, G.Hackman, M.A.Schumaker, C.E.Svensson, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, C.J.Barton, A.J.Boston, H.C.Boston, R.Churchman, D.Cline, S.J.Colosimo, D.S.Cross, G.Demand, M.Djongolov, T.E.Drake, P.E.Garrett, C.Gray-Jones, K.L.Green, A.N.Grint, A.B.Hayes, K.G.Leach, W.D.Kulp, G.Lee, S.Lloyd, R.Maharaj, J.-P.Martin, B.A.Millar, S.Mythili, L.Nelson, P.J.Nolan, D.C.Oxley, E.Padilla-Rodal, A.A.Phillips, M.Porter-Peden, S.V.Rigby, F.Sarazin, C.S.Sumithrarachchi, S.Triambak, P.M.Walker, S.J.Williams, J.Wong, J.L.Wood Narrowing of the neutron sd-pf shell gap in 29Na NUCLEAR REACTIONS 110Pd(29Na, 29Na'), E=70 MeV; measured Eγ, Iγ, (particle)γ-coin, charged-particle spectra following Coulomb excitation; deduced σ. 29Na; deduced B(E2). Comparison with shell model.
doi: 10.1016/j.physletb.2009.03.017
2009SC23 Phys.Rev. C 80, 044325 (2009); Erratum Phys.Rev. C 82, 069902 (2010) M.A.Schumaker, D.Cline, G.Hackman, C.J.Pearson, C.E.Svensson, C.Y.Wu, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, L.Buchmann, R.Churchman, F.Cifarelli, R.J.Cooper, D.S.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, A.T.Gallant, P.E.Garrett, K.L.Green, A.N.Grint, G.F.Grinyer, L.J.Harkness, A.B.Hayes, R.Kanungo, A.F.Lisetskiy, K.G.Leach, G.Lee, R.Maharaj, J.-P.Martin, F.Moisan, A.C.Morton, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, J.N.Orce, E.Padilla-Rodal, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, F.Sarazin, D.P.Scraggs, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong Coulomb excitation of the proton-dripline nucleus 20Na NUCLEAR REACTIONS Ti(20Na, 20Na'), E=1.7 MeV/nucleon; measured particle spectra, Eα, Eγ, Iγ, γγ-, (particle)γ-coin, angular correlations and γ-ray yield. 20Na, 48Ti; deduced levels, J, π, mixing ratios, transition matrix elements, B(M1), B(E2), and static electric quadrupole moments. Tigress and Bambino arrays at TRIUMF-ISAC facility. GOSIA analysis of Coulomb excitation data. Comparisons with shell-model calculations using the USD, USDB and p-sd effective interactions employing OXBASH shell-model code, and with results for 20F mirror nucleus. NUCLEAR MOMENTS 20Na, 48Ti; deduced static electric quadrupole moments from Coulomb excitation experiment.
doi: 10.1103/PhysRevC.80.044325
2009SC28 Eur.Phys.J. A 42, 477 (2009) M.A.Schumaker, D.Cline, G.Hackman, C.Pearson, C.E.Svensson, C.Y.Wu, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, L.Buchmann, R.Churchman, F.Cifarelli, R.J.Cooper, D.S.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, A.T.Gallant, P.E.Garrett, K.L.Green, A.N.Grint, G.F.Grinyer, L.J.Harkness, A.B.Hayes, R.Kanungo, A.F.Lisetskiy, K.G.Leach, G.Lee, R.Maharaj, J-P.Martin, F.Moisan, A.C.Morton, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, J.N.Orce, E.Padilla-Rodal, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, F.Sarazin, D.P.Scraggs, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong Coulomb excitation of radioactive 20, 21Na NUCLEAR REACTIONS Ti(20Na, 20Na'), (21Na, 21Na'), E=1.7 MeV/nucleon; 20,21Na, 48Ti; measured Eγ, Iγ, γγ-, (particle)γ-coin, angular correlations and γ-ray yield; deduced B(E2), levels, J, π, mixing ratios, transition matrix elements. Tigress and Bambino arrays at TRIUMF-ISAC facility. GOSIA analysis of Coulomb excitation data. Comparisons with shell-model calculations using the USD, USDB and p-sd effective interactions employing OXBASH shell-model code.
doi: 10.1140/epja/i2009-10816-4
2008JO03 Phys.Rev. C 77, 034311 (2008) G.A.Jones, S.J.Williams, P.M.Walker, Zs.Podolyak, S.Zhu, M.P.Carpenter, J.J.Carroll, R.S.Chakrawarthy, P.Chowdhury, I.J.Cullen, G.D.Dracoulis, A.B.Garnsworthy, G.Hackman, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, G.J.Lane, Z.Liu, D.Seweryniak, N.J.Thompson High-spin, multiparticle isomers in 121, 123Sb NUCLEAR REACTIONS 27Al(178Hf, X)121Sb/123Sb, E=1150 MeV; measured Eγ, Iγ, half-lives of isomers, internal conversion coefficients; deduced multipolarities, mixing ratios, γγ(θ). 121,123Sb; deduced levels, J, π. 120,122Sn, 117,119,125,126,127,128,129,130,131Sb; systematics.
doi: 10.1103/PhysRevC.77.034311
2008SC18 Phys.Rev. C 78, 044321 (2008) M.A.Schumaker, D.Cline, G.Hackman, A.C.Morton, C.J.Pearson, C.E.Svensson, C.Y.Wu, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, L.Buchmann, R.Churchman, F.Cifarelli, R.J.Cooper, D.S.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, A.T.Gallant, P.E.Garrett, K.L.Green, A.N.Grint, G.F.Grinyer, L.J.Harkness, A.B.Hayes, R.Kanungo, K.G.Leach, G.Lee, R.Maharaj, J.-P.Martin, F.Moisan, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, J.N.Orce, E.Padilla-Rodal, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, F.Sarazin, D.P.Scraggs, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong Coulomb excitation of radioactive 21Na and its stable mirror 21Ne NUCLEAR REACTIONS Ti(21Na, 21Na), (21Ne, 21Ne'γ), E=1.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin. 21Ne, 21Na, 42,46,48Ti; deduced levels, J, π, multipolarities, mixing ratios, B(E2). Coulomb excitation.
doi: 10.1103/PhysRevC.78.044321
2007BA49 Nucl.Phys. A787, 118c (2007) G.C.Ball, A.Andreyev, R.A.E.Austin, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, A.Chen, R.Churchman, F.Cifarelli, D.Cline, R.J.Cooper, D.S.Cross, D.Dashdorj, G.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, F.Gagon-Moisan, A.T.Gallant, P.E.Garrett, K.L.Green, A.N.Grint, G.Hackman, L.J.Harkness, A.B.Hayes, R.Kanungo, K.G.Leach, G.Lee, R.Maharaj, J.-P.Martin, A.C.Morton, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, E.Padilla-Rodal, C.J.Pearson, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, H.Savajols, F.Sarazin, M.A.Schumaker, D.P.Scraggs, C.E.Svensson, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong, C.Y.Wu TRIUMF-ISAC Gamma-Ray Escape-Suppressed Spectrometer (TIGRESS): a versatile tool for radioactive beam physics NUCLEAR REACTIONS Ti(21Ne, X), (20Na, X), (21Na, X), E=1.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, DSA.
doi: 10.1016/j.nuclphysa.2006.12.022
2007GA26 Acta Phys.Pol. B38, 1169 (2007) P.E.Garrett, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, R.S.Chakrawarthy, D.Cline, R.J.Cooper, R.Churchman, D.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.E.Drake, P.Finlay, F.Gagon-Miosan, A.T.Gallant, K.L.Green, A.N.Grint, G.F.Grinyer, G.Hackman, L.J.Harkness, A.B.Hayes, R.Kanungo, W.D.Kulp, K.G.Leach, G.Lee, J.R.Leslie, J.-P.Martin, C.Mattoon, W.J.Mills, A.C.Morton, S.Mythili, L.Nelson, O.Newman, P.J.Nolan, E.Padilla-Rodal, C.J.Pearson, A.A.Phillips, M.Porter-Peden, J.J.Ressler, R.Roy, C.Ruiz, H.Savajols, F.Sarazin, M.A.Schumaker, D.P.Scraggs, H.C.Scraggs, M.D.Strange, C.E.Svensson, J.C.Waddington, J.M.Wan, A.Whitbeck, S.J.Williams, J.Wong, J.L.Wood, C.Y.Wu, E.F.Zganjar Nuclear Structure Research at TRIUMF NUCLEAR REACTIONS Ti(20Na, 20Na'), (21Na, 21Na'), E=1.7 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation; deduced levels energies, σ, B(E2). RADIOACTIVITY 160Yb, 160Tm(EC); measured Eγ, Iγ, eγ-coinc. Deduced levels, J, π.
2007GA30 Nucl.Instrum.Methods Phys.Res. B261, 1084 (2007) P.E.Garrett, A.Andreyev, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, J.A.Becker, A.J.Boston, H.C.Boston, R.S.Chakrawarthy, R.Churchman, D.Cline, R.J.Cooper, D.Cross, D.Dashdorj, G.A.Demand, M.R.Dimmock, T.Drake, P.Finlay, K.Gagnon, A.T.Gallant, K.L.Green, A.N.Grint, G.F.Grinyer, G.Hackman, L.J.Harkness, A.B.Hayes, R.Kanungo, W.D.Kulp, K.G.Leach, G.Lee, J.R.Leslie, R.Maharaj, J.-P.Martin, C.Mattoon, W.J.Mills, A.C.Morton, L.Nelson, O.Newman, P.J.Nolan, E.Padilla-Rodal, C.J.Pearson, A.A.Phillips, M.Porter-Peden, J.J.Ressler, C.Ruiz, F.Sarazin, M.A.Schumaker, D.P.Scraggs, M.D.Strange, M.Subramanian, C.E.Svensson, J.C.Waddington, J.Wan, A.Whitbeck, S.J.Williams, J.L.Wood, J.C.Wong, C.Y.Wu, E.F.Zganjar The TRIUMF nuclear structure program and TIGRESS
doi: 10.1016/j.nimb.2007.04.258
2007GR18 Phys.Rev. C 76, 025503 (2007) G.F.Grinyer, M.B.Smith, C.Andreoiu, A.N.Andreyev, G.C.Ball, P.Bricault, R.S.Chakrawarthy, J.J.Daoud, P.Finlay, P.E.Garrett, G.Hackman, B.Hyland, J.R.Leslie, A.C.Morton, C.J.Pearson, A.A.Phillips, M.A.Schumaker, C.E.Svensson, J.J.Valiente-Dobon, S.J.Williams, E.F.Zganjar Half-life of the superallowed β+ emitter 18Ne RADIOACTIVITY 18Ne(β+); measured β-delayed γ-decays, T1/2.
doi: 10.1103/PhysRevC.76.025503
2007JO13 Phys.Rev. C 76, 047303 (2007) G.A.Jones, P.H.Regan, P.M.Walker, Zs.Podolyak, P.D.Stevenson, M.P.Carpenter, J.J.Carroll, R.S.Chakrawarthy, P.Chowdhury, A.B.Garnsworthy, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, G.J.Lane, Z.Liu, D.Seweryniak, N.J.Thompson, S.Zhu, S.J.Williams Identification of a high-spin isomer in 99Mo NUCLEAR REACTIONS 27Al(178Hf, X), E=1150 MeV; measured Eγ, Iγ, γγ-coin. 99Mo deduced levels, J, π, half-life, isomer, band structure.
doi: 10.1103/PhysRevC.76.047303
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.
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
2006CH10 Phys.Rev. C 73, 024306 (2006) R.S.Chakrawarthy, P.M.Walker, J.J.Ressler, E.F.Zganjar, G.C.Ball, M.B.Smith, A.N.Andreyev, S.F.Ashley, R.A.E.Austin, D.Bandyopadhyay, J.A.Becker, J.J.Carroll, D.S.Cross, D.Gohlke, J.J.Daoud, P.E.Garrett, G.F.Grinyer, G.Hackman, G.A.Jones, R.Kanungo, W.D.Kulp, Y.Litvinov, A.C.Morton, W.J.Mills, C.J.Pearson, R.Propri, C.E.Svensson, R.Wheeler, S.J.Williams Kπ = 0+ 2.29 s isomer in neutron-rich 174Tm RADIOACTIVITY 174Tm(IT) [from Ta(p, X)]; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-, (ce)(ce)-coin, T1/2. 174Tm deduced levels, J, π, configurations, ICC, B(E3).
doi: 10.1103/PhysRevC.73.024306
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
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
2005BA87 J.Phys.(London) G31, S1491 (2005) G.C.Ball, T.Achtzehn, D.Albers, J.S.Al-Khalili, C.Andreoiu, A.Andreyev, S.F.Ashley, R.A.E.Austin, J.A.Becker, P.Bricault, S.Chan, R.S.Chakrawarthy, R.Churchman, H.Coombes, E.S.Cunningham, J.Daoud, M.Dombsky, T.E.Drake, B.Eshpeter, P.Finlay, P.E.Garrett, C.Geppert, G.F.Grinyer, G.Hackman, V.Hanemaayer, B.Hyland, G.A.Jones, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, Y.Litvinov, J.A.Macdonald, C.Mattoon, D.Melconian, A.C.Morton, C.J.Osborne, C.J.Pearson, M.Pearson, A.A.Phillips, J.J.Ressler, F.Sarazin, M.A.Schumaker, J.Schwarzenberg, H.C.Scraggs, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, J.C.Waddington, P.M.Walker, K.Wendt, S.J.Williams, J.L.Wood, E.F.Zganjar High-resolution γ-ray spectroscopy: a versatile tool for nuclear β-decay studies at TRIUMF-ISAC
doi: 10.1088/0954-3899/31/10/019
2005CH67 Eur.Phys.J. A 25, Supplement 1, 125 (2005) R.S.Chakrawarthy, P.M.Walker, M.B.Smith, A.N.Andreyev, S.F.Ashley, G.C.Ball, J.A.Becker, J.J.Daoud, P.E.Garrett, G.Hackman, G.A.Jones, Y.Litvinov, A.C.Morton, C.J.Pearson, C.E.Svensson, S.J.Williams, E.F.Zganjar Discovery of a new 2.3 s isomer in neutron-rich 174Tm RADIOACTIVITY 174Tm(IT) [from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin following decay of mass-separated sources; deduced T1/2. Discussed K-hindrance and Nilsson configuration of new level.
doi: 10.1140/epjad/i2005-06-169-x
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
2005GA46 J.Phys.(London) G31, S1851 (2005) A.B.Garnsworthy, N.J.Thompson, Zs.Podolyak, P.M.Walker, S.J.Williams, G.D.Dracoulis, G.de France, G.J.Lane, K.Andgren, A.M.Bruce, A.P.Byrne, W.N.Catford, B.Cederwall, G.A.Jones, B.McGuirk, S.Mandal, E.S.Paul, V.Pucknell, N.Redon, B.Rosse, R.J.Senior, G.Sletten Spectroscopy of 212Po and 213At using a 8He radioactive beam and EXOGAM NUCLEAR REACTIONS 208Pb, 209Bi(8He, 4n), E=28 MeV; measured Eγ, Iγ, γγ-coin. 212Po, 213At deduced levels, J, π. Exogam array.
doi: 10.1088/0954-3899/31/10/086
2005JO11 Acta Phys.Pol. B36, 1323 (2005) G.A.Jones, Zs.Podolyak, N.Schunck, P.M.Walker, G.De Angelis, Y.H.Zhang, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, P.H.Regan, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams Oblate collectivity in the yrast structure of 194Pt NUCLEAR REACTIONS 192Os(82Se, X)194Pt, E=460 MeV; measured Eγ, Iγ, γγ-coin. 194Pt deduced levels, J, π, configurations, B(E2). GASP array.
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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
2005JO19 J.Phys.(London) G31, S1891 (2005) G.A.Jones, Zs.Podolyak, P.M.Walker, P.H.Regan, G.de Angelis, M.Axiotis, D.Bazzacco, P.G.Bizzeti, F.Brandolini, R.Broda, D.Bucurescu, E.Farnea, W.Gelletly, A.Gadea, M.Ionescu-Bujor, A.Iordachescu, Th.Kroll, S.D.Langdown, S.Lunardi, N.Marginean, T.Martinez, N.H.Medina, B.Quintana, B.Rubio, C.A.Ur, J.J.Valiente-Dobon, S.J.Williams, Y.H.Zhang Population of yrast states in 191Os using deep-inelastic reactions NUCLEAR REACTIONS 192Os(82Se, X)191Os, E=460 MeV; measured Eγ, Iγ, γγ-coin. 191Os deduced levels, J, π, branching ratios, configurations, isomeric state features. GASP array.
doi: 10.1088/0954-3899/31/10/095
2005VA09 Phys.Rev. C 71, 034311 (2005) J.J.Valiente-Dobon, C.E.Svensson, C.D.O'Leary, 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, P.Finlay, 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, 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, S.J.Williams High-spin rotational structures in 76Kr NUCLEAR REACTIONS 40Ca(40Ca, 4p), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 76Kr deduced high-spin levels, J, π, T1/2, transition quadrupole moments, configurations. Gammasphere, Microball arrays, comparison with cranked mean-field model predictions.
doi: 10.1103/PhysRevC.71.034311
2005WI20 J.Phys.(London) G31, S1979 (2005) S.J.Williams, P.M.Jenneson, P.E.Garrett, P.H.Regan, C.Andreoiu, G.C.Ball, R.S.Chakrawarthy, J.J.Daoud, G.F.Grinyer, G.Hackman, B.Hyland, N.A.Mlwilo, A.C.Morton, C.J.Pearson, J.J.Ressler, M.A.Schumaker, M.B.Smith, C.E.Svensson, J.J.Valiente Dobon Testing the integration of BaF2 detectors into the 8π array: fast-timing measurements at TRIUMF RADIOACTIVITY 26Na(β-); 152Eu(β-), (EC); measured Eγ, Iγ, γγ-, βγ-coin. 152Sm level deduced T1/2.
doi: 10.1088/0954-3899/31/10/114
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
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
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
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
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
2002JU12 Eur.Phys.J. A 15, 189 (2002) R.Julin, P.T.Greenlees, K.Helariutta, P.Jones, S.Juutinen, A.-P.Leppanen, H.Kankaanpaa, A.Keenan, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, J.Pakarinen, P.Rahkila, J.Uusitalo, D.T.Joss, S.J.Williams, D.G.Jenkins, N.-S.Kelsall, R.Wadsworth, K.Hauschild, A.Hurstel, W.Korten, Y.Le Coz, A.N.Andreyev, P.Van Duppen, M.Huyse, K.Van de Vel, C.J.Moore, C.D.O'Leary, R.D.Page, M.J.Taylor, W.Reviol, M.B.Smith In-beam studies of very neutron-deficient heavy nuclei NUCLEAR REACTIONS 144Sm(36Ar, 4n), (42Ca, 4n), 112Sn(64Zn, 2n), 171Yb(28Si, 5n), 142Nd(52Cr, 4n), E not given; measured Eγ, Iγ, (recoil)γ-coin. 182Pb, 190Po deduced transitions. Recoil-decay tagging.
doi: 10.1140/epja/i2001-10252-6
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
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
2001JU03 Acta Phys.Pol. B32, 645 (2001) R.Julin, P.T.Greenlees, K.Helariutta, P.Jones, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, P.Nieminen, P.Rahkila, J.Uusitalo, D.T.Joss, S.J.Williams, N.-S.Kelsall, R.Wadsworth, K.Hauschild, A.Hurstel, W.Korten, Y.LeCoz, A.N.Andreyev, K.Van de Vel, C.J.Moore, C.D.O'Leary, R.D.Page, M.J.Taylor, W.Reviol, M.B.Smith Probing Structures of Exotic Heavy Nuclei NUCLEAR REACTIONS 112Sn(64Zn, 2n), E not given; 142Nd(52Cr, 4n), E not given; measured Eγ, Iγ, (recoil)γ-coin. 174Hg, 190Po deduced levels, J, π. Recoil-decay tagging. Level systematics in neighboring nuclides discussed.
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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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