NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = S.R.Lesher Found 67 matches. 2023AP03 Eur.Phys.J. A 59, 274 (2023) A.Aprahamian, K.Lee, S.R.Lesher Franz Kappeler and evolutions in nuclear physics
doi: 10.1140/epja/s10050-023-01193-3
2022HI01 Phys.Rev. C 105, 024329 (2022) S.F.Hicks, A.E.Stuchbery, T.H.Churchill, D.Bandyopadhyay, B.R.Champine, B.J.Coombes, C.M.Davoren, J.C.Ellis, W.M.Faulkner, S.R.Lesher, J.M.Mueller, S.Mukhopadhyay, J.N.Orce, M.D.Skubis, J.R.Vanhoy, S.W.Yates Nuclear structure of 130Te from inelastic neutron scattering and shell model analysis NUCLEAR REACTIONS 130Te(n, n'), E=1.86-3.34, 3.5 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, excitation functions. 130Te; deduced levels, J, π, δ, γ-ray branching ratios, multipolarities, δ, T1/2 of levels, B(E2), B(M1), B(E1). T1/2 extracted by Doppler shift attenuation method. Analysis of excitation functions by statistical model calculations. Comparison to large-scale shell model calculations using the code NuShellX@MSU with a jj55 model space and the sn100 and GCN50:82 interactions. Kumar-Cline sum rules used to evaluate rotational invariants. Comparison to previous experimental data.
doi: 10.1103/PhysRevC.105.024329
2022LE11 Phys.Rev. C 106, 044302 (2022) S.R.Lesher, A.Aprahamian, K.Lee, B.Alemayehu, L.M.Clark, X.James, J.C.T.Lowrie, M.Meier, L.McEwan, S.Mukhopadhyay, E.E.Peters, A.P.D.Ramirez, M.Ryan, B.G.Rice, A.Stratman, E.Temanson, J.R.Vanhoy, S.W.Yates Lifetime measurements of 0+ states in 168Er with the Doppler-shift attenuation method NUCLEAR REACTIONS 168Er(n, n'γ), E=1.2-3.0 MeV in 0.1 MeV steps; measured Eγ, Iγ, excitation functions, γ(θ), level T1/2 by Doppler-shift attenuation method (DSAM) at the University of Kentucky Accelerator Laboratory. 168Er; deduced levels, J, π, excited 0+ states, bands, multipole mixing ratios, B(E2), B(E1). Comparison with previous experimental results, and with evaluated data in the ENSDF database. Systematics of low-lying levels and B(E2) values in 162,164,166,168,170Er.
doi: 10.1103/PhysRevC.106.044302
2019OL02 Phys.Rev. C 99, 024321 (2019) B.Olaizola, L.M.Fraile, H.Mach, F.Nowacki, A.Poves, A.Aprahamian, J.A.Briz, J.Cal-Gonzalez, D.Ghita, U.Koster, W.Kurcewicz, S.R.Lesher, D.Pauwels, E.Picado, D.Radulov, G.S.Simpson, J.M.Udias Properties of low-lying states in 65Co from lifetime measurements RADIOACTIVITY 65Fe(β-)[from U(p, F), E=1.4 GeV followed by ionization using a Resonance Ionization Laser Ion Source (RILIS) at ISOLDE-CERN facility]; measured Eγ, Iγ, βγ- and γγ-coin, half-life of 65Fe g.s. from decay curves for γ rays, level half-lives by βγ(t) and βγγ(t) using fast timing technique. 65Co; deduced levels, J, π, β feedings, logft, B(M1), and B(E2). Comparison with large-scale shell model calculations. NUCLEAR STRUCTURE 65Co; calculated levels, J, π, occupation numbers using shell-model with LNPS effective interaction. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.024321
2018AP03 Phys.Rev. C 98, 034303 (2018) A.Aprahamian, R.C.de Haan, S.R.Lesher, C.Casarella, A.Stratman, H.G.Borner, H.Lehmann, M.Jentschel, A.M.Bruce Lifetime measurements in 156Gd NUCLEAR REACTIONS 155Gd(n, γ), E=thermal; measured Eγ, Iγ, level half-lives by GRID technique for the broadening of decay γ-ray lines using GAMS4 double-flat-crystal spectrometer at the Institut Laue-Langevin (ILL-Grenoble) High Flux Reactor. 156Gd; deduced levels, J, π, B(E2), B(E1), intrinsic quadrupole moments, dynamic moments of inertia of the K=0+, 2+, 4+ bands. Systematics of levels, two-neutron and two-proton pairing gaps in 154,156,158,160Gd. Comparison with previous experimental values, and with partial dynamical symmetry (PDS), and 5DCH predictions.
doi: 10.1103/PhysRevC.98.034303
2017AL11 Eur.Phys.J. A 53, 62 (2017) J.M.Allmond, C.W.Beausang, T.J.Ross, P.Humby, M.S.Basunia, L.A.Bernstein, D.L.Bleuel, W.Brooks, N.Brown, J.T.Burke, B.K.Darakchieva, K.R.Dudziak, K.E.Evans, P.Fallon, H.B.Jeppesen, J.D.LeBlanc, S.R.Lesher, M.A.McMahan, D.A.Meyer, L.Phair, J.O.Rasmussen, N.D.Scielzo, S.R.Stroberg, M.Wiedeking Particle-γ coincidence spectroscopy of the N = 90 nucleus 154Gd by (p, tγ) NUCLEAR REACTIONS 156Gd(p, tγ)154Gd, E=25 MeV; measured Eγ, Iγ(θ), γ∓coin, E(t), I(t), tγ-coin using segmented Si telescope array and HPGe array; deduced triton energy spectra, σ(θ) to discrete states. 154Gd; deduced level scheme, rotational bands. Compared with other (p, t) and (t, p) data.
doi: 10.1140/epja/i2017-12253-2
2017AP01 Phys.Rev. C 95, 024329 (2017) A.Aprahamian, S.R.Lesher, C.Casarella, H.G.Borner, M.Jentschel Lifetime measurements in 162Dy NUCLEAR REACTIONS Dy(n, γ), E=thermal neutrons from high flux reactor at the ILL-Grenoble; measured Eγ, Iγ, level half-lives by Gamma-Ray-Induced Doppler (GRID) broadening technique. 162Dy; deduced levels, bands, B(E2), B(E1), B(M1), collective quadrupole and octupole vibrational excitations. Comparison with Alaga rule predictions. Systematics of energies and B(E2) values for second 0+ and 2+ states in even-even Z=62-72 and N=84-100 nuclei.
doi: 10.1103/PhysRevC.95.024329
2017LE04 Phys.Rev. C 95, 064309 (2017) S.R.Lesher, C.Casarella, A.Aprahamian, L.M.Robledo, B.P.Crider, R.Ikeyama, I.R.Marsh, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, M.K.Smith, Z.R.Tully, J.R.Vanhoy, S.W.Yates Lifetime measurements of low-spin negative-parity levels in 160Gd NUCLEAR REACTIONS 160Gd(n, n'γ), E=1.5-2.8 MeV; measured Eγ, Iγ, γ(θ), excitation functions, level half-lives by DSAM at the University of Kentucky Accelerator Laboratory (UKAL). 160Gd; deduced levels, J, π, bands, multipolarities, mixing ratios, B(E2), B(E1), octupole vibrations; calculated potential energy surface in (Q20, Q30) plane. Comparison with generator coordinate method (GCM) calculations using the GognyD1S energy density functional.
doi: 10.1103/PhysRevC.95.064309
2017OL03 Phys.Rev. C 95, 061303 (2017) B.Olaizola, L.M.Fraile, H.Mach, A.Poves, F.Nowacki, A.Aprahamian, J.A.Briz, J.Cal-Gonzalez, D.Ghita, U.Koster, W.Kurcewicz, S.R.Lesher, D.Pauwels, E.Picado, D.Radulov, G.S.Simpson, J.M.Udias Search for shape-coexisting 0+ states in 66Ni from lifetime measurements RADIOACTIVITY 66Co(β-)[from 66Mn -> 66Fe decay, 66Mn from U(p, F), E=1.4 GeV at ISOLDE-CERN facility using RILIS]; measured Eγ, half-life of an excited 0+ state by βγγ(t) method using LaBr3(Ce) crystals and two HPGe detectors for γ rays, and a fast plastic scintillator for beta particles. 66Ni; deduced levels, B(E2). Comparison with large-scale shell model calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.95.061303
2017OL08 J.Phys.(London) G44, 125103 (2017) B.Olaizola, L.M.Fraile, H.Mach, A.Poves, A.Aprahamian, J.A.Briz, J.Cal-Gonzalez, D.Ghita, U.Koster, W.Kurcewicz, S.R.Lesher, D.Pauwels, E.Picado, D.Radulov, G.S.Simpson, J.M.Udias Beta decay of 66Mn to the N = 40 nucleus 66Fe RADIOACTIVITY 66Mn(β-), (β-n) [from U(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced 66Fe T1/2, γ-ray energies and intensities, B(E2), B(M1) limits. Comparison with shell model calculations.
doi: 10.1088/1361-6471/aa915e
2017PR03 Phys.Rev. C 95, 034328 (2017) F.M.Prados-Estevez, E.E.Peters, A.Chakraborty, M.G.Mynk, D.Bandyopadhyay, N.Boukharouba, S.N.Choudry, B.P.Crider, P.E.Garrett, S.F.Hicks, A.Kumar, S.R.Lesher, C.J.McKay, M.T.McEllistrem, S.Mukhopadhyay, J.N.Orce, M.Scheck, J.R.Vanhoy, J.L.Wood, S.W.Yates Collective quadrupole behavior in 106Pd NUCLEAR REACTIONS 106Pd(n, n'γ), E=2.0-3.8 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), level half-lives by DSAM at University of Kentucky Accelerator Laboratory. 106Pd; deduced levels, J, π, γ-ray branching ratios, multipolarities, mixing ratios, B(M1), B(E1), B(E2). Comparison of level half-lives with previous experimental results. Comparison of experimental B(E2) values with predictions of various model calculations.
doi: 10.1103/PhysRevC.95.034328
2016CU02 Phys.Rev. C 94, 034313 (2016) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman 8Be + 8Be and 12C + α breakup states in 16O populated via the 13C(4He, 4α)n reaction NUCLEAR REACTIONS 13C(α, 16O), E=22.0, 27.0, 27.5, 28.0 MeV; measured reaction products using four position-sensitive double-sided Si strip detectors, at Notre Dame FN Tandem accelerator facility. 16O; deduced levels identified through the 8Be+8Be and 12C*+α channels, J, π, centroids, cross sections. Comparison with previous studies using 12C(α, 8Be)8Be and 12C(16O, 4α)12C reactions. Relevance to 4α chain structure in 16O.
doi: 10.1103/PhysRevC.94.034313
2016PE06 Eur.Phys.J. A 52, 96 (2016) E.E.Peters, F.M.Prados-Estevez, A.Chakraborty, M.G.Mynk, D.Bandyopadhyay, S.N.Choudry, B.P.Crider, P.E.Garrett, S.F.Hicks, A.Kumar, S.R.Lesher, C.J.McKay, J.N.Orce, M.Scheck, J.R.Vanhoy, J.L.Wood, S.W.Yates E0 transitions in 106Pd: Implications for shape coexistence NUCLEAR REACTIONS 106Pd(n, n'), E=2.2, 2.7, 3.5 MeV; measured Eγ, Iγ(θ) using HPGe and Compton suppressed BGO, In using NE218; deduced positive-parity γ-ray transitions σ(θ), branching ratios, T1/2 for specific states, rotational bands, B(E0), extension of observed shape coexistence to K=2 structures (using also previous papers of the authors on E2/M1 mixing ratios and 2+ states T1/2).
doi: 10.1140/epja/i2016-16096-y
2016SM02 Phys.Rev. C 94, 014320 (2016) R.Smith, C.Wheldon, M.Freer, N.Curtis, Tz.Kokalova, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, V.A.Ziman Evidence for a 3.8 MeV state in 9Be NUCLEAR REACTIONS 9Be(α, n3α), E=22, 26 MeV; measured Eα, Iα using an array of double-sided silicon strip detectors (DSSSDs) at the Notre Dame FN Tandem Van de Graaff accelerator facility; extracted sum energy spectra for all four final-state particles, assumed to be 3α+n, 9Be excitation spectrum. 9Be; deduced levels, new state at 3.8 MeV, J, π, width, ratios of reduced widths to Wigner limits (decays to 8Be ground state). 9Be, 9B; comparison of levels and widths in mirror nuclei.
doi: 10.1103/PhysRevC.94.014320
2016WI01 Phys.Rev. C 93, 024303 (2016) M.Wiedeking, M.Krticka, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, B.H.Daub, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo, A.Volya γ-ray decay from neutron-bound and unbound states in 95Mo and a novel technique for spin determination NUCLEAR REACTIONS 94Mo(d, p), E=5.5 MeV/nucleon; measured Ep, Eγ, Iγ, pγ-, pγγ-coin using STARS-LIBERACE detector array at LBNL, cyclotron facility. 95Mo; deduced levels, J, π, γ-branching ratios, average γ-ray emission probabilities. Novel method for spin determination. Comparison with ENSDF evaluation, statistical gamma-ray cascade model calculations, and with shell-model calculations.
doi: 10.1103/PhysRevC.93.024303
2015LE05 Phys.Rev. C 91, 054317 (2015) S.R.Lesher, C.Casarella, A.Aprahamian, B.P.Crider, R.Ikeyama, I.R.Marsh, M.T.McEllistrem, E.E.Peters, F.M.Prados-Estevez, M.K.Smith, Z.R.Tully, J.R.Vanhoy, S.W.Yates Collectivity of 0+ states in 160Gd NUCLEAR REACTIONS 160Gd(n, n'), E<2.8 MeV; measured Eγ, Iγ, excitation functions, γ(θ), level half-lives by DSAM at University of Kentucky Accelerator Laboratory (UKAL). 160Gd; deduced levels, J, π, level scheme for decay of bands based on excited 0+ states, B(E2), B(E1), B(M1), collective nature of states.
doi: 10.1103/PhysRevC.91.054317
2014WI04 Nucl.Data Sheets 119, 258 (2014) M.Wiedeking, L.A.Bernstein, J.M.Allmond, M.S.Basunia, D.L.Bleuel, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, M.Krticka, P.T.Lake, A.C.Larsen, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Photon Strength Function at Low Energies in 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured Eγ, Iγ, Ep, Ip, pγ-coin, charged particles using STARS-LIBERACE array; deduced γ-ray strength function energy dependence below 7 MeV using also (3He, α) data reference; calculated γ-ray strength function using various assumptions on reaction mechanism.
doi: 10.1016/j.nds.2014.08.071
2013AN13 Phys.Rev.Lett. 110, 242502 (2013) A.N.Andreyev, M.Huyse, P.Van Duppen, C.Qi, R.J.Liotta, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, K.Nishio, R.D.Page, B.Streicher, S.Saro, B.Sulignano, D.Wiseman, R.A.Wyss Signatures of the Z = 82 Shell Closure in α-Decay Process RADIOACTIVITY 186Po, 182Pb, 178Hg, 174Pt(α) [from 144Sm(46Ti, X)190Po, E=230 MeV, 190Po(4n)]; measured decay products, Eα, Iα; deduced σ, identification of 186Po, the α-particle formation probabilities.
doi: 10.1103/PhysRevLett.110.242502
2013CU04 Phys.Rev. C 88, 064309 (2013) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman Investigation of the 4α linear chain state in 16O NUCLEAR REACTIONS 12C(α, 8Be)8Be, (α, 12C), [12C* decaying to 8Be+α], E=12.2-20.0 MeV; measured Eα, Iα, α(θ), αα-coin, σ(E, θ) at Notre Dame FN tandem facility. Phase shift analysis of σ(θ) data. 16O; deduced levels, resonances, J. Comparison with previous experimental results. No evidence found for rigid, 4α-linear chain in 16O.
doi: 10.1103/PhysRevC.88.064309
2013KO15 Phys.Rev. C 87, 057309 (2013) Tz.Kokalova, M.Freer, N.Curtis, N.I.Ashwood, M.Barr, J.D.Malcolm, C.Wheldon, V.A.Ziman, S.Almaraz-Calderon, A.Aprahamian, B.Bucher, M.Couder, X.Fang, F.Jung, W.Lu, A.Roberts, W.P.Tan, P.Copp, S.R.Lesher Yield measurements for resonances above the multi-α threshold in 20Ne NUCLEAR REACTIONS 16O(α, X), E=23.0-29.0 MeV; measured α and particle spectra, (particle)(particle)α-coin, yields for 8Be+8Be+α, and 8Be+12C(second 0+) channels. Measurements at Notre Dame facility. 20Ne; deduced levels, resonances, J. Monte Carlo simulations.
doi: 10.1103/PhysRevC.87.057309
2013OL06 Phys.Rev. C 88, 044306 (2013) B.Olaizola, L.M.Fraile, H.Mach, A.Aprahamian, J.A.Briz, J.Cal-Gonzalez, D.Ghita, U.Koster, W.Kurcewicz, S.R.Lesher, D.Pauwels, E.Picado, A.Poves, D.Radulov, G.S.Simpson, J.M.Udias β- decay of 65Mn to 65Fe RADIOACTIVITY 65Mn(β-), (β-n)[from U(p, X), E=1.4 GeV, RILIS]; measured Eγ, Iγ, Eβ, βγ-, βγγ-, γγ-coin, βγγ(t), half-life of 65Mn ground state, half-lives of 65Fe levels by fast timing, β-delayed neutron emission probability Pn at ISOLDE, CERN facility. 65Fe; deduced levels, isomer, J, π, multipolarity, B(M1), B(E1), B(E2), β feedings, logft. 64Fe, 64Co, 65mFe, 65Ni(β-); measured Eγ, Iγ of selected γ rays to deduce ground state β feeding in the decay of 65Mn to 65Fe. Comparison with shell-model calculations. 64Fe; deduced levels populated by β-n decay mode. Systematics of energies and B(E2) values of first 2+ states in Z=24, 26, 28, N=34-46 nuclei.
doi: 10.1103/PhysRevC.88.044306
2013SA43 Eur.Phys.J. A 49, 109 (2013) J.Sauvage, B.Roussiere, J.Genevey, S.Franchoo, A.N.Andreyev, N.Barre, A.Ben Braham, C.Bourgeois, J.-F.Clavelin, H.De Witte, D.V.Fedorov, V.N.Fedoseyev, L.M.Fraile, X.Grave, G.Huber, M.Huyse, P.Kilcher, U.Koster, P.Kunz, S.R.Lesher, B.A.Marsh, I.Mukha, J.Oms, M.G.Porquet, M.Seliverstov, I.Stefanescu, K.Van de Vel, P.Van Duppen, YU.M.Volkov, A.Wojtasiewicz Decay of 185Tl, 185m+gHg, 189m+gPb and energy location of the 13/2+ isomeric states in 185Hg, 189Pb, 193Po and 197Rn RADIOACTIVITY 185Hg(β+), (EC), (IT);185Tl, 189Pb(β+), (EC)[from bombarding thick UCx target by 1.4 GeV protons]; measured Eγ, Iγ(t), X-rays, γγ-coin, (time)γ-coin, Xγ-coin using Ge(HP) detectors with COMET-NARVAL system, α-decay of the decay products, Eα, Iα, αγ-coin. 183,185,187,189Hg, 187,189Pb, 191,193,195Po, 195,197,199Rn deduced partial level scheme, J, π, γ transitions, μ. 185Hg, 189Pb, 193Po, 197Rn deduced 13/2+ isomeric states.
doi: 10.1140/epja/i2013-13109-5
2012CU04 J.Phys.:Conf.Ser. 381, 012079 (2012) N.Curtis, S.Almaraz-Calderon, A.Aprahamian, N.I.Ashwood, M.Barr, B.Bucher, P.Copp, M.Couder, X.Fang, M.Freer, G.Goldring, F.Jung, S.R.Lesher, W.Lu, J.D.Malcolm, A.Roberts, W.P.Tan, C.Wheldon, V.A.Ziman Does a 4-α linear chain exist in 16O? NUCLEAR REACTIONS 12C(α, 8Be), E=12.2-20.0 MeV; measured Eα, Iα from 8Be decay using DSSSD; deduced σ(θ=900), doublet 6+ resonance and its components.
doi: 10.1088/1742-6596/381/1/012079
2012GO06 Phys.Rev. C 85, 054616 (2012) B.L.Goldblum, M.Wiedeking, T.Reed, K.Alfonso, J.M.Allmond, L.A.Bernstein, D.L.Bleuel, F.S.Dietrich, R.Hatarik, P.T.Lake, I.-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo, R.Vial, J.Vujic Indirect determination of neutron capture cross sections on spherical and near-spherical nuclei using the surrogate method NUCLEAR REACTIONS 92,94Mo(d, p), E=11 MeV; measured particle spectrum, Eγ, Iγ, (particle)γ-coin using STARS-LIBERACE array. DWBA analysis. 92Mo(n, γ), E=80-890 keV; deduced capture cross section using the absolute surrogate and surrogate ratio methods (SRM) relative to 94Mo(n, γ) cross section. Gamma decay tagging techniques. Dicebox statistical model analysis for gamma cascades. Comparison with ENDF/B-VII.0 evaluation.
doi: 10.1103/PhysRevC.85.054616
2012HI10 Phys.Rev. C 86, 054308 (2012) S.F.Hicks, J.C.Boehringer, N.Boukharouba, C.Fransen, S.R.Lesher, J.M.Mueller, J.R.Vanhoy, S.W.Yates Collective and two-quasiparticle excitations in 128Te NUCLEAR REACTIONS 128Te(n, n'γ), E=2.15-3.33 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), excitation functions. 128Te; deduced levels, J, π, branching ratio, mixing ratio, B(M1), B(E2), Doppler-shift attenuation factor, T1/2, mixed-symmetry excitations, quadrupole-octupole coupled multi-phonon excitations, 2qp excitations. Comparison with interacting boson model (IBM) and particle-core coupling model calculations.
doi: 10.1103/PhysRevC.86.054308
2012SC10 Phys.Rev. C 85, 054619 (2012) N.D.Scielzo, J.E.Escher, J.M.Allmond, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, R.M.Clark, F.S.Dietrich, P.Fallon, J.Gibelin, B.L.Goldblum, S.R.Lesher, M.A.McMahan, E.B.Norman, L.Phair, E.Rodriguez-Vieitez, S.A.Sheets, I.J.Thompson, M.Wiedeking Statistical γ rays in the analysis of surrogate nuclear reactions NUCLEAR REACTIONS 154,155,156,158Gd(p, p'), E=21.7 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin using STARS-LiBerACE at LBNL cyclotron facility; deduced γ-ray emission probability. 155,157Gd(n, γ), E<3.5 MeV; deduced cross section ratios by surrogate analyses using statistical and discrete γ-rays. Comparison with reaction theory. Surrogate nuclear reaction technique.
doi: 10.1103/PhysRevC.85.054619
2012WI04 Phys.Rev.Lett. 108, 162503 (2012) M.Wiedeking, L.A.Bernstein, M.Krticka, D.L.Bleuel, J.M.Allmond, M.S.Basunia, J.T.Burke, P.Fallon, R.B.Firestone, B.L.Goldblum, R.Hatarik, P.T.Lake, I-Y.Lee, S.R.Lesher, S.Paschalis, M.Petri, L.Phair, N.D.Scielzo Low-Energy Enhancement in the Photon Strength of 95Mo NUCLEAR REACTIONS 94Mo(d, p), E=11 MeV; measured reaction products, Eπ, Iπ, Eγ, Iγ, γ-γ-coin.; deduced photon strength functions, low-energy enhancement. Comparison with available data, quadratic fit.
doi: 10.1103/PhysRevLett.108.162503
2011GI03 Nucl.Instrum.Methods Phys.Res. A648, 109 (2011) J.Gibelin, M.Wiedeking, L.Phair, P.Fallon, S.Basunia, L.A.Bernstein, J.T.Burke, D.L.Bleuel, R.M.Clark, M.Cromaz, M.-A.Deleplanque, B.F.Goldblum, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, S.R.Lesher, A.O.Macchiavelli, M.A.McMahan, J.Pavan, E.Rodriguez-Vieitez, N.D.Scielzo, L.G.Moretto Channel selection of neutron-rich nuclei following fusion-evaporation reactions of light systems NUCLEAR REACTIONS 9Be(9Be, X)15N/16N/12C/13C/15C/16C, E=30, 35, 40 MeV;12C(18O, X)27Mg/28Mg, E=50, 60 MeV; 11B, 12C(18O, X)26Mg/27Mg/25Mg/24Na, E not given; measured reaction products, Eγ, Iγ; deduced production yields. Comparison with PACE, LisFus and GEMINI calculations.
doi: 10.1016/j.nima.2011.05.041
2010AL15 Phys.Rev. C 81, 064316 (2010) J.M.Allmond, C.W.Beausang, J.O.Rasmussen, T.J.Ross, M.S.Basunia, L.A.Bernstein, D.L.Bleuel, W.Brooks, N.Brown, J.T.Burke, B.K.Darakchieva, K.R.Dudziak, K.E.Evans, P.Fallon, H.B.Jeppesen, J.D.LeBlanc, S.R.Lesher, M.A.McMahan, D.A.Meyer, L.Phair, N.D.Scielzo, S.R.Stroberg, M.Wiedeking Particle-γ spectroscopy of the (p, d-γ)155Gd reaction: Neutron single-quasiparticle states at N=91 NUCLEAR REACTIONS 156Gd(p, d), E=25 MeV; measured Eγ, Iγ, Ed, Id, dγ-, dγγ-coin, γd(θ), σ. 155Gd; deduced levels, J, π, Nilsson configurations, L transfers, C2jl expansion coefficients, occupancies V2. DWBA analysis of σ(θ) data.
doi: 10.1103/PhysRevC.81.064316
2010HA03 Phys.Rev. C 81, 011602 (2010) R.Hatarik, L.A.Bernstein, J.A.Cizewski, D.L.Bleuel, J.T.Burke, J.E.Escher, J.Gibelin, B.L.Goldblum, A.M.Hatarik, S.R.Lesher, P.D.O'Malley, L.Phair, E.Rodriguez-Vieitez, T.Swan, M.Wiedeking Benchmarking a surrogate reaction for neutron capture NUCLEAR REACTIONS 171,173Yb(d, pγ), E=18.5 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using STARS array for particles and HPGe detectors for γ rays; deduced intensity ratios of γ rays in 172Yb and 174Yb, cross sections, and comparison with DICEBOX simulations. 171,173Yb(n, γ), E=5-260 keV; comparison of neutron capture cross sections with those from (d, pγ) reaction using external surrogate ratio method.
doi: 10.1103/PhysRevC.81.011602
2010OR01 Phys.Rev. C 82, 044317 (2010) J.N.Orce, J.D.Holt, A.Linnemann, C.J.McKay, C.Fransen, J.Jolie, T.T.S.Kuo, S.R.Lesher, M.T.McEllistrem, N.Pietralla, N.Warr, V.Werner, S.W.Yates Fermionic-bosonic couplings in a weakly deformed odd-mass nucleus, 9341Nb NUCLEAR REACTIONS 93Nb(n, n'γ), E=1.5-3 MeV; 94Zr(p, 2nγ), E=11.5-19 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ), level half-lives by DSAM. 93Nb; deduced levels, J, π, multipolarity, mixing ratios, configurations, B(M1), B(E2), One-phonon isoscalar and isovector excitations. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.82.044317
2010RE01 Phys.Rev. C 81, 014301 (2010) J.J.Ressler, J.A.Caggiano, C.J.Francy, P.N.Peplowski, J.M.Allmond, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, P.Fallon, A.A.Hecht, D.V.Jordan, S.R.Lesher, M.A.McMahan, T.S.Palmer, L.Phair, N.D.Scielzo, P.G.Swearingen, G.A.Warren, M.Wiedeking Fission fragment isomers populated via 6Li+232Th NUCLEAR REACTIONS 232Th(6Li, X), E=45 MeV; measured Eγ, Iγ, γγ-coin, particle spectra, (particle)γ-coin, (particle)γ-correlations using STARS Si array at LBNL and Ge detectors. 88Br, 93Rb, 95,98,99Y, 99Mo, 100Tc, 121,123In, 119,120,121,122,123,124,125,126,127Sn, 123,125,127,131Sb, 131I, 132Te, 134,136Xe; measured isomer half-lives; deduced levels, J, π. Level systematics of neighboring Sn, Sb and In nuclides. RADIOACTIVITY 121m,123mIn(IT), 125mSb(IT); measured Eγ, Iγ, γγ-coin; deduced levels, J, π. 117Cd, 128Sb(β-); measured Eγ.
doi: 10.1103/PhysRevC.81.014301
2010SC06 Phys.Rev. C 81, 034608 (2010) N.D.Scielzo, J.E.Escher, J.M.Allmond, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, J.T.Burke, R.M.Clark, F.S.Dietrich, P.Fallon, J.Gibelin, B.L.Goldblum, S.R.Lesher, M.A.McMahan, E.B.Norman, L.Phair, E.Rodriquez-Vieitez, S.A.Sheets, I.J.Thompson, M.Wiedeking Measurement of γ-emission branching ratios for 154, 156, 158Gd compound nuclei: Tests of surrogate nuclear reaction approximations for (n, γ) cross sections NUCLEAR REACTIONS 154,156,158Gd(p, p'γ), E=22 MeV; measured Eγ, Iγ, proton spectra, γ-ray emission probabilities using STARS/LiBerACE array. 155,157Gd(n, γ), E=0.01-4 MeV; deduced σ by surrogate reaction method using Weisskopf-Ewing and ratio approximations.
doi: 10.1103/PhysRevC.81.034608
2009AL13 Phys.Rev. C 79, 054610 (2009) J.M.Allmond, L.A.Bernstein, C.W.Beausang, L.Phair, D.L.Bleuel, J.T.Burke, J.E.Escher, K.E.Evans, B.L.Goldblum, R.Hatarik, H.B.Jeppesen, S.R.Lesher, M.A.McMahan, J.O.Rasmussen, N.D.Scielzo, M.Wiedeking Relative 235U(n, γ) and (n, f) cross sections from 235U(d, pγ) and (d, pf) NUCLEAR REACTIONS 235U(d, pγ), (d, pf), E=21 MeV; measured Eγ, Iγ, proton spectra, fission spectra, σ. Internal surrogate ratio method (ISRM). Model-independent method used for measurement of γ-channel yield.
doi: 10.1103/PhysRevC.79.054610
2009BA23 Nucl.Instrum.Methods Phys.Res. B267, 1899 (2009) M.S.Basunia, R.M.Clark, B.L.Goldblum, L.A.Bernstein, L.Phair, J.T.Burke, C.W.Beausang, D.L.Bleuel, B.Darakchieva, F.S.Dietrich, M.Evtimova, P.Fallon, J.Gibelin, R.Hatarik, C.C.Jewett, S.R.Lesher, M.A.McMahan, E.Rodriguez-Vieitez, M.Wiedeking The (3He, tf) as a surrogate reaction to determine (n, f) cross sections in the 10-20 MeV energy range NUCLEAR REACTIONS 238U(3He, tf), E=10-20 MeV; Measured surrogate σ;237Np(n, f); Deduced σ. Compared results with ENDF/B-VII.0, JENDL-3.3 libraries.
doi: 10.1016/j.nimb.2009.04.006
2009BE26 Phys.Rev. C 80, 014302 (2009) P.C.Bender, C.R.Hoffman, M.Wiedeking, J.M.Allmond, L.A.Bernstein, J.T.Burke, D.L.Bleuel, R.M.Clark, P.Fallon, B.L.Goldblum, T.A.Hinners, H.B.Jeppesen, S.Lee, I.-Y.Lee, S.R.Lesher, A.O.Macchiavelli, M.A.McMahan, D.Morris, M.Perry, L.Phair, N.D.Scielzo, S.L.Tabor, V.Tripathi, A.Volya Approaching the "island of inversion": 34P NUCLEAR REACTIONS 18O(18O, np), E=20, 24, 25, 30, 44 MeV; measured Eγ, Iγ, γγ-, pγ-coin, γ(θ), DSA and half-lives. 34P; deduced levels, J, π, multipolarities, transition strengths and configurations. Island of inversion. Comparison with shell-model calculations using a modified WBP interaction. NUCLEAR STRUCTURE 32,34,36P; calculated levels, J, π and subshell occupancies using WBP interaction shell-model formalism.
doi: 10.1103/PhysRevC.80.014302
2009GA21 Phys.Rev.Lett. 103, 062501 (2009) P.E.Garrett, W.D.Kulp, J.L.Wood, D.Bandyopadhyay, S.Choudry, D.Dashdorj, S.R.Lesher, M.T.McEllistrem, M.Mynk, J.N.Orce, S.W.Yates New Features of Shape Coexistence in 152Sm NUCLEAR REACTIONS 152Sm(n, nγ), E=1.2-3.0 MeV; measured Eγ, Iγ, γγ-coin.; deduced negative-parity band structures, J, π, B(E1), B(E2). Comparison with interacting boson model.
doi: 10.1103/PhysRevLett.103.062501
2009LE11 Phys.Rev. C 79, 044609 (2009) S.R.Lesher, J.T.Burke, L.A.Bernstein, H.Ai, C.W.Beausang, D.L.Bleuel, R.M.Clark, F.S.Dietrich, J.E.Escher, P.Fallon, J.Gibelin, B.L.Goldblum, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, K.J.Moody, E.B.Norman, L.Phair, E.Rodriguez-Vieitez, N.D.Scielzo, M.Wiedeking Surrogate ratio method in the actinide region using the (α, α'f) reaction NUCLEAR REACTIONS 234,236U(α, α'f), E=55 MeV; measured fission spectra, α(fission)-coin, in-plane and out-of-plane fission ratios; deduced direct-reaction-induced fission probability ratio. 233,235U(n, f); compared cross sections. Comparison between fission probability ratio and ratio of cross sections. Surrogate ratio method (SRM). Application of SRM as a method of calculating unknown cross sections.
doi: 10.1103/PhysRevC.79.044609
2009RA33 Phys.Rev. C 80, 054307 (2009) R.Raabe, J.Buscher, J.Ponsaers, F.Aksouh, M.Huyse, O.Ivanov, S.R.Lesher, I.Mukha, D.Pauwels, M.Sawicka, D.Smirnov, I.Stefanescu, J.Van de Walle, P.Van Duppen, C.Angulo, J.Cabrera, N.de Sereville, I.Martel, A.M.Sanchez-Benitez, C.Aa.Diget Measurement of the branching ratio of the 6He β-decay channel into the α+d continuum RADIOACTIVITY 6He(β-) [from 7Li(p, 2p), E=30 MeV]; measured β- and, α+d spectra, half-life, and transition probability as function of the center-of-mass energy for the α+d branch of the decay of 6He; deduced α+d branching ratio. 6He ions of 7.9 MeV implanted in highly segmented silicon detector.
doi: 10.1103/PhysRevC.80.054307
2009SA09 Eur.Phys.J. A 39, 33 (2009) J.Sauvage, J.Genevey, B.Roussiere, S.Franchoo, A.N.Andreyev, N.Barre, J.-F.Clavelin, H.De Witte, D.V.Fedorov, V.N.Fedoseyev, L.M.Fraile, X.Grave, G.Huber, M.Huyse, H.B.Jeppesen, U.Koster, P.Kunz, S.R.Lesher, B.A.Marsh, I.Mukha, J.Oms, M.Seliverstov, I.Stefanescu, K.Van de Vel, J.Van de Walle, P.Van Duppen, Yu.M.Volkov Nuclear structure of 189Tl states studied via β+ /EC decay and laser spectroscopy of 189m+gPb RADIOACTIVITY 189Pb(β+), (EC) [from 238U(p, X), E=1.4 GeV]; measured prompt and delayed Eγ, Iγ, γγ-coin; deduced T1/2, log ft; calculated nuclear deformation. 189Tl deduced levels, J, π. In-source laser spectroscopy.
doi: 10.1140/epja/i2008-10693-3
2009SE13 Eur.Phys.J. A 41, 315 (2009) M.D.Seliverstov, A.N.Andreyev, N.Barre, A.E.Barzakh, S.Dean, H.De Witte, D.V.Fedorov, V.N.Fedoseyev, L.M.Fraile, S.Franchoo, J.Genevey, G.Huber, M.Huyse, U.Koster, P.Kunz, S.R.Lesher, B.A.Marsh, I.Mukha, B.Roussiere, J.Sauvage, I.Stefanescu, K.Van de Vel, P.Van Duppen, Yu.M.Volkov Charge radii and magnetic moments of odd- A 183-189Pb isotopes NUCLEAR MOMENTS 182,183,184,185,186,187,188,189,190Pb [from 238U(p, X), E=1, 4 GeV online mass separator using the in-source resonance ionization spectroscopy technique]; measured hfs spectra; deduced μ, hyperfine coupling constants, charge radii. Comparison with other data.
doi: 10.1140/epja/i2009-10817-3
2008WI04 Phys.Rev.Lett. 100, 152501 (2008) M.Wiedeking, P.Fallon, A.O.Macchiavelli, J.Gibelin, M.S.Basunia, R.M.Clark, M.Cromaz, M.-A.Deleplanque, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, L.G.Moretto, J.Pavan, L.Phair, E.Rodriguez-Vieitez, L.A.Bernstein, D.L.Bleuel, J.T.Burke, S.R.Lesher, B.F.Lyles, N.D.Scielzo Lifetime Measurement of the First Excited 2+ State in 16C NUCLEAR REACTIONS 9Be(9Be, 2p), E=40 MeV; measured Eγ, Iγ, charged particles. 16C; deduced levels, lifetimes, B(E2).
doi: 10.1103/PhysRevLett.100.152501
2007AN19 Acta Phys.Pol. B38, 1557 (2007) S.Antalic, A.N.Andreyev, D.Ackermann, L.Bianco, D.Cullen, I.Darby, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, B.Kindler, I.Kojouharov, A.-P.Leppanen, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.Pakarinen, J.J.Ressler, S.Saro, B.Streicher, B.Sulignano, J.Thomson, P.Van Duppen, M.Venhart, D.Wiseman, R.Wyss The New Isotopes in Po-Rn Region NUCLEAR REACTIONS 144Sm(46Ti, 3n)187Po, E=224 MeV; 144Sm(52Cr, X)193,194Rn, E=232, 252 meV; measured Eα. 187Po, 193,194Rn deduced levels.
2007BA73 Phys.Rev. C 76, 054308 (2007) D.Bandyopadhyay, S.R.Lesher, C.Fransen, N.Boukharouba, P.E.Garrett, K.L.Green, M.T.McEllistrem, S.W.Yates Investigation of phonon excitations in 114Cd with the (n, n'γ) reaction NUCLEAR REACTIONS 114Cd(n, n'γ), E*=3.5 MeV; measured Eγ, Iγ, γ-yields, γγ-coin, angular distributions, half-lives; deduced levels, J, π, multipolarities, mixing ratios, configurations, B(E2), B(M1), B(E1). Comparisons with IBA model calculations. 108,110,112,114,116,118Cd; systematics.
doi: 10.1103/PhysRevC.76.054308
2007BE33 Acta Phys.Pol. B38, 1535 (2007) C.W.Beausang, S.R.Lesher, J.T.Burke, L.A.Bernstein, L.Phair, H.Ai, G.Gurdal, L.Ahle, D.S.Brenner, M.Carpenter, R.M.Clark, B.Crider, J.Escher, P.Fallon, J.P.Greene, D.J.Hartley, A.A.Hecht, R.V.F.Janssens, T.Lauritsen, I.Y.Lee, C.J.Lister, A.O.Macchiavelli, M.A.McMahan, C.Plettner, J.Rohrer, D.Seweryniak, E.Williams, S.Zhu New Results on Fission Cross Sections in Actinide Nuclei Using the Surrogate Ratio Method and on Conversion Coefficients in Triaxial Strongly Deformed Bands in 167Lu from ICE Ball and Gammasphere NUCLEAR REACTIONS 234,236U(α, α'f), E=55 MeV; measured Eα, fission fragment energy, (fission-fragment)α-coinc. Deduced fission probabilities. Compared results to ENDF data. NUCLEAR REACTIONS 123Sb(48Ca, X)167Lu, E=203 MeV; measured Eγ, Iγ, conversion electron energies, γγ-coinc, (conversion-electron)γ-coinc. 167Lu deduced conversion coefficients.
2007DE09 Phys.Rev.Lett. 98, 112502 (2007) H.De Witte, A.N.Andreyev, N.Barre, M.Bender, T.E.Cocolios, S.Dean, D.Fedorov, V.N.Fedoseyev, L.M.Fraile, S.Franchoo, V.Hellemans, P.H.Heenen, K.Heyde, G.Huber, M.Huyse, H.Jeppesen, U.Koster, P.Kunze, S.R.Lesher, B.A.Marsh, I.Mukha, B.Roussiere, J.Sauvage, M.Seliverstov, I.Stefanescu, E.Tengborn, K.Van de Vel, J.Van de Walle, P.Van Duppen, Yu.Volkov Nuclear Charge Radii of Neutron-Deficient Lead Isotopes Beyond N = 104 Midshell Investigated by In-Source Laser Spectroscopy ATOMIC PHYSICS 182,183,183m,184,185,185m,186,187,187m,188,189,189m,190Pb; measured isotope shifts; deduced charge radii.
doi: 10.1103/PhysRevLett.98.112502
2007LE05 Phys.Rev. C 75, 034318 (2007) S.R.Lesher, C.J.McKay, M.Mynk, D.Bandyopadhyay, N.Boukharouba, C.Fransen, J.N.Orce, M.T.McEllistrem, S.W.Yates Low-spin structure of 96Mo studied with the (n, n'γ) reaction NUCLEAR REACTIONS 96Mo(n, n'γ), E=2-4 MeV; measured Eγ, Iγ, DSA. 96Mo deduced levels, J, π, δ, T1/2, B(M1), B(E2), mixed-symmetry states.
doi: 10.1103/PhysRevC.75.034318
2007LE29 Phys.Rev. C 76, 034318 (2007) S.R.Lesher, J.N.Orce, Z.Ammar, C.D.Hannant, M.Merrick, N.Warr, T.B.Brown, N.Boukharouba, C.Fransen, M.Scheck, M.T.McEllistrem, S.W.Yates Study of 0+ excitations in 158Gd with the (n, n'γ) reaction NUCLEAR REACTIONS 158Gd(n, n'γ), E < 3.3 MeV; measured Eγ, Iγ, γγ-coinc, excitation functions and angular distributions. 158Gd deduced level energies, lifetimes, B(E1), B(E2) for 0+ states.
doi: 10.1103/PhysRevC.76.034318
2007LY04 Phys.Rev. C 76, 014606 (2007); Erratum Phys.Rev. C 76, 019905 (2007) B.F.Lyles, L.A.Bernstein, J.T.Burke, F.S.Dietrich, J.Escher, I.Thompson, D.L.Bleuel, R.M.Clark, P.Fallon, J.Gibelin, A.O.Macchiavelli, M.A.McMahan, L.Phair, E.Rodriguez-Vieitez, M.Wiedeking, C.W.Beausang, S.R.Lesher, B.Darakchieva, M.Evtimova Absolute and relative surrogate measurements of the 236U(n, f) cross section as a probe of angular momentum effects NUCLEAR REACTIONS 235,238U(3He, αf), E=42 MeV; measured fission fragment spectra in coincidence with α-particles. 236U(n, f), E< 20 MeV; deduced cross sections using the surrogate technique.
doi: 10.1103/PhysRevC.76.014606
2007OR01 Phys.Rev. C 75, 014303 (2007) J.N.Orce, C.Fransen, A.Linnemann, C.J.McKay, S.R.Lesher, N.Pietralla, V.Werner, G.Friessner, C.Kohstall, D.Mucher, H.H.Pitz, M.Scheck, C.Scholl, F.Stedile, N.Warr, S.Walter, P.von Brentano, U.Kneissl, M.T.McEllistrem, S.W.Yates Lifetime measurements in 93Nb from photon and inelastic neutron scattering NUCLEAR REACTIONS 93Nb(γ, γ'), E=2.75 MeV bremsstrahlung; measured Eγ, Iγ. 93Nb(n, n'γ), E=2.1, 2.6 MeV; measured Eγ, Iγ, DSA. 94Zr(p, 2n), E=11.5-19 MeV; measured Eγ, Iγ, γγ-coin, angular correlations. 93Nb deduced levels, J, π, δ, T1/2.
doi: 10.1103/PhysRevC.75.014303
2006AN04 Phys.Rev. C 73, 024317 (2006) A.N.Andreyev, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.J.Ressler, B.Streicher, S.Saro, B.Sulignano, P.Van Duppen, D.R.Wiseman α-decay spectroscopy of the new isotope 192At NUCLEAR REACTIONS 144Sm(51V, X), E=230 MeV; measured Eγ, Eα, (recoil)α-, αα-, αγ-coin following residual nucleus decay; deduced evidence for 192At. RADIOACTIVITY 192,192mAt(α) [from 144Sm(51V, 3n)]; measured Eα, Eγ, αγ-coin, T1/2; deduced isomeric states energies, configurations.
doi: 10.1103/PhysRevC.73.024317
2006AN11 Phys.Rev. C 73, 044324 (2006) A.N.Andreyev, S.Antalic, D.Ackermann, S.Franchoo, F.P.Hessberger, S.Hofmann, M.Huyse, I.Kojouharov, B.Kindler, P.Kuusiniemi, S.R.Lesher, B.Lommel, R.Mann, G.Munzenberg, K.Nishio, R.D.Page, J.J.Ressler, B.Streicher, S.Saro, B.Sulignano, P.Van Duppen, D.Wiseman, R.Wyss α-decay of the new isotope 187Po: Probing prolate structures beyond the neutron mid-shell at N = 104 NUCLEAR REACTIONS 144Sm(46Ti, 3n), (46Ti, 2np), E=224 MeV; measured Eγ, Eα, (recoil)α-coin following residual nucleus decay; deduced production σ. Recoil velocity filter. RADIOACTIVITY 187Po, 187,187mBi, 183mTl(α) [from 144Sm(46Ti, xnyp) and subsequent decay]; measured Eγ, Eα, T1/2; deduced hindrance factors. 187Po, 183Pb, 187Bi, 183Tl deduced levels, J, π, configurations, deformation.
doi: 10.1103/PhysRevC.73.044324
2006AP01 Nucl.Phys. A764, 42 (2006) A.Aprahamian, X.Wu, S.R.Lesher, D.D.Warner, W.Gelletly, H.G.Borner, F.Hoyler, K.Schreckenbach, R.F.Casten, Z.R.Shi, D.Kusnezov, M.Ibrahim, A.O.Macchiavelli, M.A.Brinkman, J.A.Becker Complete spectroscopy of the 162Dy nucleus NUCLEAR REACTIONS 161Dy(n, γ), E=0.03-2 MeV; measured Eγ, Iγ, E(ce), I(ce). 160Gd(α, 2n), E=256 MeV; measured Eγ, Iγ, γγ-coin. 162Dy deduced levels, K, J, π, ICC, configurations, collective features. Complete spectroscopy, Ritz combination principle.
doi: 10.1016/j.nuclphysa.2005.09.020
2006OR09 Phys.Rev.Lett. 97, 062504 (2006) J.N.Orce, J.D.Holt, A.Linnemann, C.J.McKay, S.R.Lesher, C.Fransen, J.W.Holt, A.Kumar, N.Warr, V.Werner, J.Jolie, T.T.S.Kuo, M.T.McEllistrem, N.Pietralla, S.W.Yates Identification of Mixed-Symmetry States in an Odd-Mass Nearly Spherical Nucleus NUCLEAR REACTIONS 93Nb(n, n'), E=1.5-3 MeV; 94Zr(p, 2n), E=11.5-19 MeV; measured Eγ, Iγ, γγ-coin, DSA. 93Nb deduced levels J, π, configurations, T1/2, B(M1), B(E2). Comparison with shell model predictions.
doi: 10.1103/PhysRevLett.97.062504
2005FR17 Phys.Rev. C 71, 054304 (2005) C.Fransen, V.Werner, D.Bandyopadhyay, N.Boukharouba, S.R.Lesher, M.T.McEllistrem, J.Jolie, N.Pietralla, P.von Brentano, S.W.Yates Investigation of low-spin states in 92Zr with the (n, n'γ) reaction NUCLEAR REACTIONS 92Zr(n, n'γ), E=2.2, 3.9 MeV; measured Eγ, Iγ, angular distributions, DSA. 92Zr(n, n'γ), E=2.6-3.9 MeV; measured excitation functions. 92Zr deduced levels, J, π, T1/2, δ. Comparison with model predictions, neighboring nuclides.
doi: 10.1103/PhysRevC.71.054304
2005GA47 J.Phys.(London) G31, S1855 (2005) P.E.Garrett, W.D.Kulp, J.L.Wood, D.Bandyopadhyay, S.Christen, S.Choudry, A.Dewald, A.Fitzler, C .Fransen, K.Jessen, J.Jolie, A.Kloezer, P.Kudejova, A.Kumar, S.R.Lesher, A.Linnemann, A.Lisetskiy, D.Martin, M.Masur, M.T.McEllistrem, O.Moller, M.Mynk, J.N.Orce, P.Pejovic, T.Pissulla, J.M.Regis, A.Schiller, D.Tonev, S.W.Yates Octupole and hexadecapole bands in 152Sm NUCLEAR REACTIONS 150Nd(α, 2n), E=22.5 MeV; 152Sm(n, n'), E not given; measured Eγ, Iγ, γγ-coin. 152Sm deduced levels, J, π, octupole and hexadecapole bands.
doi: 10.1088/0954-3899/31/10/087
2005KU28 Phys.Rev. C 72, 034313 (2005) A.Kumar, J.N.Orce, S.R.Lesher, C.J.McKay, M.T.McEllistrem, S.W.Yates Heterogeneous vibrations in 112Sn NUCLEAR REACTIONS 112Sn(n, n'γ), E=2.5-4.0 MeV; measured Eγ, Iγ, γγ-coin, angular distributions, excitation functions, DSA. 112Sn deduced levels, J, π, δ, T1/2, B(M1), B(E2).
doi: 10.1103/PhysRevC.72.034313
2005KU37 Eur.Phys.J. A 25, Supplement 1, 443 (2005) A.Kumar, J.N.Orce, S.R.Lesher, C.J.McKay, M.T.McEllistrem, S.W.Yates Lifetime measurements and low-lying structure in 112Sn NUCLEAR REACTIONS 112Sn(n, n'γ), E=2.5-4.0 MeV; measured Eγ, Iγ, γγ-coin, DSA, excitation functions, angular distributions. 112Sn deduced levels, J, π, T1/2.
doi: 10.1140/epjad/i2005-06-042-0
2005MC13 Eur.Phys.J. A 25, Supplement 1, 377 (2005); Eur.Phys.J. A 25, Supplement 1, 773 (2005) C.J.McKay, J.N.Orce, S.R.Lesher, D.Bandyopadhyay, M.T.McEllistrem, C.Fransen, J.Jolie, A.Linnemann, N.Pietralla, V.Werner, S.W.Yates Identification of mixed-symmetry states in odd-A 93Nb NUCLEAR REACTIONS 93Nb(n, n'), E=1.5-2.6 MeV; 94Zr(p, 2n), E=11.5-19 MeV; measured Eγ, Iγ, DSA, branching ratios, excitation functions. 93Nb deduced levels J, π, T1/2, mixed-symmetry states.
doi: 10.1140/epjad/i2005-06-047-7
2004OR03 Phys.Rev. C 70, 014314 (2004) J.N.Orce, P.Petkov, C.J.McKay, S.N.Choudry, S.R.Lesher, M.Mynk, D.Bandyopadhyay, S.W.Yates, M.T.McEllistrem Test of isospin purity in the A = 42 isobaric analogs NUCLEAR REACTIONS 40Ca(3He, p), E=4.2, 5.1 MeV; measured Eγ, Iγ, DSA. 42Sc levels deduced T1/2, isoscalar matrix element, isospin purity in isobaric analogs.
doi: 10.1103/PhysRevC.70.014314
2004VA16 Phys.Rev. C 69, 064323 (2004) J.R.Vanhoy, J.A.Tanyi, K.A.Crandell, T.H.Churchill, S.F.Hicks, M.C.Burns, P.A.Roddy, N.V.Warr, T.B.Brown, S.R.Lesher Lifetimes in 126Te from in-beam (n, n'γ) measurements NUCLEAR REACTIONS 126Te(n, n'γ), E=2.2-3.3 MeV; measured Eγ, Iγ, γγ-coin, excitation functions, DSA. 126Te deduced levels, J, π, δ, B(M1), B(E2), T1/2.
doi: 10.1103/PhysRevC.69.064323
2003BA57 Phys.Rev. C 68, 014324 (2003) D.Bandyopadhyay, C.C.Reynolds, S.R.Lesher, C.Fransen, N.Boukharouba, M.T.McEllistrem, S.W.Yates Quadrupole-octupole coupled states in 114Cd NUCLEAR REACTIONS 114Cd(n, n'γ), E=1.9-3.8 MeV; measured Eγ, Iγ, DSA. 114Cd deduced levels, J, π, δ, T1/2, B(E1), B(E2), quadrupole-octupole coupled configurations. Comparison with interacting boson model predictions.
doi: 10.1103/PhysRevC.68.014324
2003DO01 Phys.Rev. C 67, 014315 (2003) J.Doring, R.A.Kaye, A.Aprahamian, M.W.Cooper, J.Daly, C.N.Davids, R.C.de Haan, J.Gorres, S.R.Lesher, J.J.Ressler, D.Seweryniak, E.J.Stech, A.Susalla, S.L.Tabor, J.Uusitalo, W.B.Walters, M.Wiescher Rotational and vibrational excitations in 84Zr studied through in-beam and 84Nb β-decay spectroscopy NUCLEAR REACTIONS 59Co(28Si, 2np), E=99 MeV; 58Ni(32S, 2pα), E=135 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 84Zr deduced levels, J, π, rotational and vibrational excitations, deformation. Comparison with level systematics in neighboring nuclides. RADIOACTIVITY 84Nb(EC) [from 58Ni(28Si, np)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced log ft. 84Zr deduced levels, J, π. Mass-separated source.
doi: 10.1103/PhysRevC.67.014315
2003FR02 Phys.Rev. C 67, 024307 (2003) C.Fransen, N.Pietralla, Z.Ammar, D.Bandyopadhyay, N.Boukharouba, P.von Brentano, A.Dewald, J.Gableske, A.Gade, J.Jolie, U.Kneissl, S.R.Lesher, A.F.Lisetskiy, M.T.McEllistrem, M.Merrick, H.H.Pitz, N.Warr, V.Werner, S.W.Yates Comprehensive studies of low-spin collective excitations in 94Mo NUCLEAR REACTIONS 94Mo(γ, γ'), E=3.3, 4.0 MeV bremsstrahlung; 94Mo(n, n'γ), E=2.4, 3.3, 3.6 MeV; measured Eγ, Iγ. 91Zr(α, n), E=12, 15 MeV; measured Eγ, Iγ, γγ-coin, DSA. 94Mo deduced levels, J, π, T1/2, B(M1), B(E2), mixed-symmetry states. Comparison with model predictions. RADIOACTIVITY 94mTc(β+), (EC) [from 94Mo(p, n)]; measured Eγ, Iγ, γγ-coin. 94Mo deduced levels, J, π. Comparison with model predictions.
doi: 10.1103/PhysRevC.67.024307
2002LE34 Phys.Rev. C 66, 051305 (2002) S.R.Lesher, A.Aprahamian, L.Trache, A.Oros-Peusquens, S.Deyliz, A.Gollwitzer, R.Hertenberger, B.D.Valnion, G.Graw New 0+ states in 158Gd NUCLEAR REACTIONS 160Gd(p, t), E=27 MeV; measured triton spectra, σ(θ). 158Gd deduced levels, J, π, several 0+ states.
doi: 10.1103/PhysRevC.66.051305
2000DE26 J.Res.Natl.Inst.Stand.Technol. 105, 125 (2000) R.C.de Haan, A.Aprahamian, H.G.Borner, C.Doll, M.Jentschel, A.M.Bruce, S.R.Lesher Lifetime Measurements in 178Hf NUCLEAR REACTIONS Hf(n, X)178Hf, E=reactor; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), vibrational excitations. Gamma-ray induced Doppler broadening technique.
doi: 10.6028/jres.105.016
1999AP02 J.Phys.(London) G25, 685 (1999) A.Aprahamian, R.C.de Haan, S.R.Lesher, J.Doring, A.M.Bruce, H.G.Borner, M.Jentschel, H.Lehmann Collective Kπ = 0+ Vibrational Excitations in 178Hf NUCLEAR REACTIONS 177Hf(n, γ), E=thermal; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), collective effects. Gamma-ray induced Doppler broadening technique.
doi: 10.1088/0954-3899/25/4/020
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