NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = C.W.Beausang Found 247 matches. Showing 1 to 100. [Next]2018CO12 Phys.Rev. C 98, 044618 (2018) N.Cooper, C.W.Beausang, P.Humby, A.Simon, J.T.Burke, R.O.Hughes, S.Ota, C.Reingold, A.Saastamoinen, E.Wilson Entry-level spin distributions and relative γ-neutron branching ratios of samarium isotopes populated by the (p, t) reaction NUCLEAR REACTIONS 150,152,154Sm(p, t), E=25 MeV; measured Eγ, Iγ, γ(θ), E(t), I(t), angular distribution of tritons, and tγ-coin using the Hyperion detector array consisting of STARS array of Si detectors for triton detection and 13 HPGe clovers for γ detection using enriched targets at the K150 cyclotron facility of Texas A and M university. 148,150,152Sm; deduced relative intensities of γ rays from low-lying levels, entry-level spin distributions, and relative average branching ratios for γ-rays above S(n). Comparison with calculated simulated γ spectra from natural-parity levels using DICEBOX and MCγ codes, and probability densities of entry level spins by modeling (p, t) reaction using PTCRUISER code.
doi: 10.1103/PhysRevC.98.044618
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
2017DO01 Phys.Lett. B 766, 334 (2017) D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu Triaxiality near the 110Ru ground state from Coulomb excitation NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.
doi: 10.1016/j.physletb.2017.01.031
2017HA03 Phys.Rev. C 95, 014321 (2017) D.J.Hartley, L.L.Riedinger, R.V.F.Janssens, S.N.T.Majola, M.A.Riley, J.M.Allmond, C.W.Beausang, M.P.Carpenter, C.J.Chiara, N.Cooper, D.Curien, B.J.P.Gall, P.E.Garrett, F.G.Kondev, W.D.Kulp, T.Lauritsen, E.A.McCutchan, D.Miller, S.Miller, J.Piot, N.Redon, J.F.Sharpey-Schafer, J.Simpson, I.Stefanescu, X.Wang, V.Werner, J.L.Wood, C.-H.Yu, S.Zhu, J.Dudek Investigation of negative-parity states in 156Dy: Search for evidence of tetrahedral symmetry NUCLEAR REACTIONS 148Nd(12C, 4n), E=65 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using GAMMASPHERE array at ATLAS-ANL facility. 156Dy; deduced high-spin levels, J, π, multipolarities, negative-parity bands, alignments, configurations, B(E2)/B(E1) ratios and octupole excitations, no evidence for tetrahedral symmetry. Systematics of Kπ=0-, 3- and Kπ=1-, 4- states in N=90 isotones 152Sm, 154Gd, 156Dy and 160Yb.
doi: 10.1103/PhysRevC.95.014321
2016HU22 Phys.Rev. C 94, 064314 (2016) P.Humby, A.Simon, C.W.Beausang, J.M.Allmond, J.T.Burke, R.J.Casperson, R.Chyzh, M.Dag, K.Gell, R.O.Hughes, J.Koglin, E.McCleskey, M.McCleskey, S.Ota, T.J.Ross, A.Saastamoinen, T.Tarlow, G.Vyas Investigation of discrete states and quasidiscrete structures observed in 150Sm and 152Sm using the (p, tγ) reaction NUCLEAR REACTIONS 152,154Sm(p, t), E=25 MeV; measured triton spectra, Eγ, Iγ, (triton)γ-, (triton)γγ-coin, σ(θ), angular distribution of peak-like structure (PLS) using the STARLiTeR array at Texas A and M cyclotron facility. Enriched targets. 150,152Sm; deduced levels, J, π, L-transfers. DWBA analysis of σ(θ) data. Comparison with evaluated data taken from the ENSDF database.
doi: 10.1103/PhysRevC.94.064314
2016SI07 Phys.Rev. C 93, 034303 (2016) A.Simon, M.Guttormsen, A.C.Larsen, C.W.Beausang, P.Humby, J.T.Burke, R.J.Casperson, R.O.Hughes, T.J.Ross, J.M.Allmond, R.Chyzh, M.Dag, J.Koglin, E.McCleskey, M.McCleskey, S.Ota, A.Saastamoinen First observation of low-energy γ-ray enhancement in the rare-earth region NUCLEAR REACTIONS 152,154Sm(p, dγ), E=25 MeV; measured reaction products, Eγ, Iγ, (particle)γ-coin, γ(θ) using STARLiTeR setup for charged-particles, and Ge clover detectors with Compton suppressors for γ rays at K-150 cyclotron at Texas A and M; deduced level density (LD) and γ-ray strength function (γSF) using OSLO method, multipolarity, enhanced low-energy γ-ray strength for rare-earth nuclei, coexistence with the scissors resonance. Comparison with Hauser-Feshbach calculations. Calculated ratios of Maxwellian-averaged (n, γ) reaction rates at T9=0.15 and 1.5 for A=145-202 Sm isotopes.
doi: 10.1103/PhysRevC.93.034303
2015HE22 Phys.Rev. C 92, 024315 (2015) T.W.Henry, M.A.Bentley, R.M.Clark, P.J.Davies, V.M.Bader, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, A.M.Bruce, C.M.Campbell, H.L.Crawford, M.Cromaz, P.Fallon, A.Gade, J.Henderson, H.Iwasaki, D.G.Jenkins, I.Y.Lee, A.Lemasson, S.M.Lenzi, A.O.Macchiavelli, D.R.Napoli, A.J.Nichols, S.Paschalis, M.Petri, F.Recchia, J.Rissanen, E.C.Simpson, S.R.Stroberg, R.Wadsworth, D.Weisshaar, A.Wiens, C.Walz Triplet energy differences and the low lying structure of 62Ga NUCLEAR REACTIONS 9Be(64Ga, 62Ga), (65Ge, 62Ga), E not given, [secondary 64Ga and 65Ge beams extracted using A1900 separator from 9Be(78Kr, X), E=150 MeV/nucleon primary reaction]; measured Eγ, Iγ, 62Ga particle spectra, (62Ga)γ-, γγ-coin using Gamma-Ray Energy Tracking In-Beam Nuclear Array (GRETINA) for γ rays and S800 spectrograph and cathode readout drift chambers for particles at NSCL-MSU facility. 62Ga; deduced levels populated by 2n and 1p2n knockout reactions, J, π, isospin using triplet energy differences (TED) as guide. Comparison with shell-model predictions of low lying T=0 and T=1 states using ANTOINE and LNPS interactions. Cross section calculations for the knockout process. COMPILATION A=22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, 66, 74; reviewed systematics of triplet energy differences (TED) for the known T=1, 2+ states.
doi: 10.1103/PhysRevC.92.024315
2015HU02 Phys.Rev. C 91, 024322 (2015) P.Humby, A.Simon, C.W.Beausang, T.J.Ross, R.O.Hughes, J.T.Burke, R.J.Casperson, J.Koglin, S.Ota, J.M.Allmond, M.McCleskey, E.McCleskey, A.Saastamoinen, R.Chyzh, M.Dag, K.Gell, T.Tarlow, G.Vyas Improved measurement of the half-life of the Jπ = 8- nuclear isomer 152m2Eu NUCLEAR REACTIONS 154Sm(p, 3n)152mEu, E=25 MeV; measured Eγ, Iγ, delayed γ, half-lives of 0- and 8- isomers in 152Eu by γ(t) using STARS array for particle detection and LiTer array for γ detection at the Texas A and M, K-150 cyclotron facility. Comparison with earlier experimental results. RADIOACTIVITY 152Eu(β-), (EC)[from 154Sm(p, 3n), E=25 MeV]; measured Eγ, Iγ, half-life of the 0- isomer in 152Eu. Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.91.024322
2014HU12 Phys.Rev. C 90, 014304 (2014) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, R.J.Casperson, N.Cooper, J.E.Escher, K.Gell, E.Good, P.Humby, M.McCleskey, A.Saastimoinen, T.D.Tarlow, I.J.Thompson 236Pu(n, f), 237Pu(n, f), and 238Pu(n, f) cross sections deduced from (p, t), (p, d), and (p, p') surrogate reactions NUCLEAR REACTIONS 235U, 239Pu(p, t), (p, d), (p, p'), E=28.5 MeV; measured particle and γ spectra, (particle)γ-, (particle)(particle)-, (d)(fission)-coin, cross sections using STARLiTeR array at Texas A-M cyclotron facility. 232,233U, 236,237Pu(n, F), E=0.5-7.5 MeV; deduced σ(E) ratios. 238Pu(n, F), E=0.5-10.5 MeV; deduced σ(E) from (p, p') and σ for 234U(n, F) in ENDF/B-VII evaluation. Surrogate ratio method. Comparison with ENSDF/B-VII evaluations, and some previous experimental results.
doi: 10.1103/PhysRevC.90.014304
2014RO25 Phys.Rev. C 90, 044323 (2014) T.J.Ross, R.O.Hughes, J.M.Allmond, C.W.Beausang, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Spectroscopy of 153Gd and 157Gd using the (p, dγ) reaction NUCLEAR REACTIONS 154,158Gd(p, d), E=25 MeV; measured Eγ, Iγ, E(d), I(d), dγ-, dγγ-coin, d(θ) in coincidence with γ rays using STARS and LIBERACE arrays at LBNL cyclotron facility. 153,157Gd; deduced levels, J, π, L-transfers, Nilsson assignments. DWBA analysis of angular distribution data. Comparison with previous experimental results. Discussed residual effects of a neutron subshell closure at N=64.
doi: 10.1103/PhysRevC.90.044323
2013BU05 Phys.Rev. C 87, 044337 (2013), Pub.Note Phys.Rev. C 88, 019903 (2013) M.Bunce, P.H.Regan, V.Werner, C.W.Beausang, V.Anagnostatou, M.Bowry, R.J.Casperson, D.Chen, N.Cooper, P.M.Goddard, R.O.Hughes, G.Ilie, P.J.R.Mason, B.Pauerstein, M.W.Reed, T.J.Ross, E.C.Simpson High-spin study of the shell model nucleus 88Y49 NUCLEAR REACTIONS 74Ge(18O, 3np)60, E=60 MeV; 76Ge(18O, 5np), E=90 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using the YRAST ball at WNSL, Yale facility. 88Y; deduced high-spin levels, J, π, bands, configuration. Comparison with truncated valence space shell-model calculations. NUCLEAR STRUCTURE 88Y; calculated levels, J, π, proton occupancy, configuration. Shell model using computer code NUSHELLX.
doi: 10.1103/PhysRevC.87.044337
2013CR02 Phys.Rev.Lett. 110, 242701 (2013) H.L.Crawford, R.M.Clark, P.Fallon, A.O.Macchiavelli, T.Baugher, D.Bazin, C.W.Beausang, J.S.Berryman, D.L.Bleuel, C.M.Campbell, M.Cromaz, G.de Angelis, A.Gade, R.O.Hughes, I.Y.Lee, S.M.Lenzi, F.Nowacki, S.Paschalis, M.Petri, A.Poves, A.Ratkiewicz, T.J.Ross, E.Sahin, D.Weisshaar, K.Wimmer, R.Winkler Quadrupole Collectivity in Neutron-Rich Fe and Cr Isotopes NUCLEAR REACTIONS Bi(66Fe, 66Fe'), (68Fe, 68Fe'), (64Cr, 64Cr'), E<130 MeV/nucleon; measured reaction products, Eγ, Iγ. 66,68Fe, 64Cr; deduced σ, B(E2). Comparison with state-of-the-art large-scale shell-model calculations within the full fpgd neutron orbital model space using the Lenzi-Nowacki-Poves-Sieja effective interaction.
doi: 10.1103/PhysRevLett.110.242701
2013RO23 Phys.Rev. C 88, 031301 (2013) T.J.Ross, R.O.Hughes, C.W.Beausang, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.W.Phair, J.J.Ressler, N.D.Scielzo Remnants of spherical shell structures in deformed nuclei: The impact of an N=64 neutron subshell closure on the structure of N≈90 gadolinium nuclei NUCLEAR REACTIONS 154,156,158Gd(p, d), E=25 MeV; measured deuteron and γ spectra, dγ-, γγ-coin, σ(θ) for deuterons using STARS and LIBERACE detector systems at LBNL facility. DWBA analysis of σ(θ) data. 153,155, 157Gd; deduced low-energy levels, J, π, Nilsson configurations, persistence of spherical shell structure.
doi: 10.1103/PhysRevC.88.031301
2012BU18 J.Phys.:Conf.Ser. 381, 012068 (2012) M.Bunce, P.H.Regan, V.Werner, V.Anagnostatou, C.W.Beausang, M.Bowry, R.J.Casperson, D.Chen, N.Cooper, P.Goddard, R.O.Hughes, G.Ilie, P.J.R.Mason, B.Pauerstein, M.W.Reed, T.J.Ross A shell model study of the high spin states of 88Y NUCLEAR REACTIONS 74Ge(18O, 3np), E=60, 65, 70 MeV;76Ge(18O, 5np), E=90 MeV; measured prompt, delayed Eγ, Iγ(θ), γγ-coin using YRAST ball detector array consisting of 10 Compton-suppressed HPGe and including Doppler shift corrections, γ polarization using Compton polarimeter; calculated σ, σ(l) using PACE4, levels, J, π using NuShell code. 88Y deduced levels, J, π, γ transitions.
doi: 10.1088/1742-6596/381/1/012068
2012HU01 Phys.Rev. C 85, 024613 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.E.Escher, J.Munson, L.W.Phair, J.J.Ressler Utilizing (p, d) and (p, t) reactions to obtain (n, f) cross sections in uranium nuclei via the surrogate-ratio method NUCLEAR REACTIONS 236,238U(p, d), (p, t), E=28 MeV; measured E(d), I(d), E(t), I(t), fission spectra, (particle)(fission)-, (particle)γ-coin, fission fragment anisotropy ratios using STARS detector array at LBNL cyclotron facility; deduced σ[236U(n, F)]/σ[234U(n, F)], σ[235U(n, F)]/σ[233U(n, F)], σ[234U(n, F)]/σ[233U(n, F)], σ[236U(n, F)]/σ[235U(n, F)] reaction cross section ratios for E(n)=0-7 MeV. Surrogate-ratio method. Comparison with ENDF/B-VII evaluation.
doi: 10.1103/PhysRevC.85.024613
2012HU14 J.Phys.:Conf.Ser. 381, 012064 (2012) R.O.Hughes, C.W.Beausang, T.J.Ross, J.T.Burke, N.D.Scielzo, M.S.Basunia, C.M.Campbell, R.J.Casperson, H.L.Crawford, J.Munson, L.Phair, J.J.Ressler To the continuum and beyond: Structure of U nuclei NUCLEAR REACTIONS 236,238U(p, X), E=28 MeV; measured outgoing light ions using STARS Si telescope, (particle)(fission)-coin, Eγ, Iγ using Ge detectors of LIBERACE array, (particle)γ-coin; deduced σ(234U(n, f))/σ(236U(n, f)) ratio vs neutron energy using (p, dF) surrogate. 235,237U deduced levels, J, π, γ transitions.
doi: 10.1088/1742-6596/381/1/012064
2012OK04 Phys.Rev. C 86, 054305 (2012) Y.Oktem, D.L.Balabanski, B.Akkus, L.Amon Susam, L.Atanasova, C.W.Beausang, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, E.Ganioglu, K.A.Gladnishki, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, G.Rainovski, L.L.Riedinger, T.Venkova, I.Yigitoglu, N.V.Zamfir, O.Zeidan Triaxial deformation and nuclear shape transition in 192Au NUCLEAR REACTIONS 186W(11B, 5n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), linear polarization using YRAST Ball array at WNSL, Yale facility. 192Au; deduced high-spin levels, J, π, multipolarity, branching ratios, alignments, bands, B(M1)/B(E2), configurations. Comparisons with pairing and deformation self-consistent total Routhian surface (TRS), and cranked shell model (CSM) calculations.
doi: 10.1103/PhysRevC.86.054305
2012RO14 Phys.Rev. C 85, 051304 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, J.T.Burke, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler, N.D.Scielzo, I.J.Thompson Measurement of the entry-spin distribution imparted to the high excitation continuum region of gadolinium nuclei via (p, d) and (p, t) reactions NUCLEAR REACTIONS 154,158Gd(p, d), (p, t), E=25 MeV; measured particle and γ spectra, pγ-, dγ-, tγ-coin, σ(θ) using STARS-LIBERACE array; deduced entry spin distribution for the highly excited quasicontinuum in light-ion transfer reactions. DWBA analysis of σ(θ) data. 153,156Gd; deduced levels, J, π, l-transfer.
doi: 10.1103/PhysRevC.85.051304
2012RO42 Phys.Rev. C 86, 067301 (2012) T.J.Ross, C.W.Beausang, R.O.Hughes, N.D.Scielzo, J.T.Burke, J.M.Allmond, C.T.Angell, M.S.Basunia, D.L.Bleuel, R.J.Casperson, J.E.Escher, P.Fallon, R.Hatarik, J.Munson, S.Paschalis, M.Petri, L.Phair, J.J.Ressler Spectroscopy of 88Y by the (p, dγ) reaction NUCLEAR REACTIONS 89Y(p, d), E=25 MeV; measured E(d), I(d), Eγ, Iγ, dγ-coin, yields using STARS array for deuterons and LIBERACE array for γ rays at LBNL cyclotron facility. 88Y; deduced levels, branching ratios. 89Y(p, p'), (p, p'n), E=25 MeV; measured Ep, Ip, pγ-coin.
doi: 10.1103/PhysRevC.86.067301
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
2012WE13 J.Phys.:Conf.Ser. 366, 012048 (2012) V.Werner, G.Ilie, D.Radeck, T.Ahn, C.W.Beausang, L.Bettermann, R.J.Casperson, R.Chevrier, N.Cooper, T.C.Bonniwell, A.Heinz, E.Holland, D.McCarthy, B.Pauerstein, M.K.Smith, J.R.Terry, E.Williams Lifetime and magnetic moment measurements NUCLEAR REACTIONS 24Mg(104Pd, 104Pd'), (106Pd, 106Pd'), (108Pd, 108Pd'), E=324, 330, 336 MeV; measured Coulomb excitation Eγ, Iγ using g-Plunger technique; deduced g-factor, T1/2. Compared with NNDC data.
doi: 10.1088/1742-6596/366/1/012048
2011AN04 Acta Phys.Pol. B42, 807 (2011) V.Anagnostatou, P.H.Regan, M.R.Bunce, D.McCarthy, V.Werner, T.Ahn, R.J.Casperson, R.Chevrier, N.Cooper, A.Heinz, G.Ilie, M.K.Smith, E.Williams, L.Bettermann, D.Radeck, C.W.Beausang, C.Boniwell, B.Pauerstein Measurements of Picosecond Lifetimes in the Transitional Nucleus 100Pd Using the RDDM in Inverse Kinematics NUCLEAR REACTIONS 24Mg(80Se, 4n)100Pd, E=268 MeV; measured fusion-evaporation products, Eγ, Iγ; deduced weak deformation, energies, J, π, B(E2), yrast sequence.
doi: 10.5506/APhysPolB.42.807
2011BU11 J.Korean Phys.Soc. 59, 1892s (2011) J.T.Burke, J.J.Ressler, J.E.Escher, N.D.Scielzo, I.J.Thompson, R.Henderson, J.Gostic, L.Bernstein, D.Bluel, M.Weideking, V.Meot, O.Roig, L.W.Phair, R.Hatarik, J.Munson, C.Angell, B.Goldblum, C.W.Beausang, T.Ross, R.Hughes, M.Aiche, G.Barreau, N.Cappelan, S.Czajkowski, B.Hass, B.Jurado, L.Mathieu, I.Companis Experimental Approaches to Studying the Fission Process Using the Surrogate Reaction Technique NUCLEAR REACTIONS 235,236U, 239Pu(α, α'), E=55 MeV; measured E(charged particle), I(charged particle), Eγ, Iγ(θ), γγ-coin, fission products using STARS (Silicon Telescope Array for Reaction Studies), LIBERACE, HYDRA; deduced σ 238Pu(n, F) below 20 MeV using surrogate reactions. Comparison with other data.
doi: 10.3938/jkps.59.1892
2011RE09 Phys.Rev. C 83, 054610 (2011) J.J.Ressler, J.T.Burke, J.E.Escher, C.T.Angell, M.S.Basunia, C.W.Beausang, L.A.Bernstein, D.L.Bleuel, R.J.Casperson, B.L.Goldblum, J.Gostic, R.Hatarik, R.Henderson, R.O.Hughes, J.Munson, L.W.Phair, T.J.Ross, N.D.Scielzo, E.Swanberg, I.J.Thompson, M.Wiedeking Surrogate measurement of the 238Pu(n, f) cross section NUCLEAR REACTIONS 239Pu(α, α'F), 235U(α, α'F), 236U(α, α'F), E=20-55 MeV; measured particle and fission fragment spectra, α-fission coincidences, cross sections, fission fragment anisotropy ratios. 238Pu, 234,235U(n, F), E=5-20 MeV; deduced fission cross sections using surrogate ratio method. Comparison with previous experimental data and evaluated libraries. Data needs for following reactions for next-generation reactors: 241Pu, 241,242Am, 243,244,245Cm(n, F), E.1 MeV. Potential surrogate and ratio reactions listed.
doi: 10.1103/PhysRevC.83.054610
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
2010CL01 Phys.Lett. B 690, 19 (2010) R.M.Clark, K.E.Gregorich, J.S.Berryman, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, L.Stavsetra, F.S.Stephens, H.Watanabe, M.Wiedeking High-K multi-quasiparticle states in 254No RADIOACTIVITY 254No(IT) [from 208Pb(48Ca, 2n), E=221 MeV]; measured Eγ, Iγ, γ-particle-coin.; deduced J, π, level energies, rotational bands, decay of isomer state.
doi: 10.1016/j.physletb.2010.04.079
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
2009BE42 Phys.Rev. C 80, 057303 (2009) Z.Berant, E.Oster, R.J.Casperson, A.Wolf, V.Werner, A.Heinz, R.F.Casten, G.Gurdal, E.A.McCutchan, D.S.Brenner, J.R.Terry, R.Winkler, E.Williams, J.Qian, A.Schmidt, M.K.Smith, T.Ahn, C.W.Beausang, P.H.Regan, T.Ross, M.Bunce, B.Darakchieva, D.A.Meyer, J.LeBlanc, K.Dudziak, C.Bauer, G.Henning g factor of the 2+1 state of 172Hf NUCLEAR MOMENTS 172Hf; measured g factor of first 2+ state using integral perturbed angular correlation method. Comparisons with g factors of neighboring even-even Hf nuclei and with predictions of several nuclear models including interacting boson approximation (IBA-2). RADIOACTIVITY 172Ta(EC), (β+) [from 165Ho(12C, 5n), E=85 MeV]; measured Eγ, Iγ, γγ-coin, and cascade Iγ as a function of angle and magnetic field.
doi: 10.1103/PhysRevC.80.057303
2009JE01 Phys.Rev. C 79, 031303 (2009) H.B.Jeppesen, I.Dragojevic, R.M.Clark, K.E.Gregorich, M.N.Ali, J.M.Allmond, C.W.Beausang, D.L.Bleuel, M.Cromaz, M.A.Deleplanque, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, J.P.Greene, S.Gros, I.Y.Lee, H.L.Liu, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, J.R.Pavan, L.Stavsetra, F.S.Stephens, M.Wiedeking, R.Wyss, F.R.Xu Multi-quasiparticle states in 256Rf NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=243 MeV; measured (recoil)(electron)(fission)-coin, (electron)γ-coin, conversion electron spectra, Eγ, Iγ, half-lives. 256Rf; deduced levels, J, π, high-K isomers, configurations. Comparisons with Woods-Saxon potential-energy surface calculations.
doi: 10.1103/PhysRevC.79.031303
2009JE02 Phys.Rev. C 80, 034324 (2009) H.B.Jeppesen, R.M.Clark, K.E.Gregorich, A.V.Afanasjev, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, L.Stavsetra, F.S.Stephens, M.Wiedeking High-K multi-quasiparticle states and rotational bands in 255103Lr NUCLEAR REACTIONS 209Bi(48Ca, 2n), E=222 MeV; measured Eγ, Iγ, γγ, half-lives. 255Lr; deduced levels, J, π, bands, high-K 3qp isomers and configurations. Comparison with microscopic cranked relativistic Hartree-Bogoliubov (CRHB) calculations.
doi: 10.1103/PhysRevC.80.034324
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
2008FI08 Phys.Rev. C 78, 034309 (2008) C.R.Fitzpatrick, V.Werner, R.F.Casten, E.Williams, H.Ai, C.W.Beausang, R.B.Cakirli, G.Gurdal, A.Heinz, E.A.McCutchan, D.A.Meyer, E.Novitski, J.Qian, R.Winkler Investigation into the B(E2) anomaly in 144Nd using Coulomb excitation NUCLEAR REACTIONS 144Nd, 148Sm(48Ti, 48Ti'), E=130 MeV; measured Eγ, Iγ, σ; deduced B(E2) ratios. Coulomb excitation.
doi: 10.1103/PhysRevC.78.034309
2008GR04 Nucl.Phys. A801, 83 (2008) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, M.Bender, P.-H.Heenen Lifetimes of intruder states in 186Pb, 188Pb and 194Po NUCLEAR REACTIONS 106,108Pd, 114Cd(83Kr, 3n), E=340, 357, 375 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin and lifetimes for intruder states using the recoil distance Doppler-shift method. 186,188Pb, 194Po; deduced B(E2), quadrupole moment and deformation parameters. JUROGAM array used with RITU, GREAT spectrometer. Recoil-decay tagging.
doi: 10.1016/j.nuclphysa.2008.01.002
2008GU02 Phys.Rev. C 77, 024314 (2008) G.Gurdal, C.W.Beausang, D.S.Brenner, H.Ai, R.F.Casten, B.Crider, A.Heinz, E.Williams, D.J.Hartley, M.P.Carpenter, A.A.Hecht, R.V.F.Janssens, T.Lauritsen, C.J.Lister, R.Raabe, D.Seweryniak, S.Zhu, J.X.Saladin Measurement of conversion coefficients in normal and triaxial strongly deformed bands in 167Lu NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, conversion electrons; 167Lu; deduced conversion coefficients.
doi: 10.1103/PhysRevC.77.024314
2008MC01 Phys.Rev. C 77, 054304 (2008) E.A.McCutchan, R.F.Casten, V.Werner, E.Williams, R.Winkler, A.Wolf, Z.Berant, G.Gurdal, J.Qian, H.Ai, L.Amon, C.W.Beausang, D.S.Brenner, R.B.Cakirli, R.J.Casperson, C.R.Fitzpatrick, D.Frank, A.B.Garnsworthy, A.Heinz, R.Luttke, A.F.Mertz, Y.Oktem, N.Pietralla, P.H.Regan, B.Shoraka, J.R.Terry, N.J.Thompson Enhanced mixing of intrinsic states in deformed Hf nuclei RADIOACTIVITY 170,172,174Ta(β+), (EC) [from 159Tb(16O, 5n), E=100 MeV; 165Ho(12C, 5n), E=80 MeV; 168Er(11B, 5n), E=65 MeV]; measured Eγ, Iγ, γγ-coin, branching ratios. 170,172,174Hf; deduced levels, J, π. 166,168,170,172,174Hf; systematics.
doi: 10.1103/PhysRevC.77.054304
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.
2007GR27 Eur.Phys.J. Special Topics 150, 121 (2007) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, H.Kettunen, T.Kroll, R.Krucken, P.Jones, S.Juutinen, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, B.Melon, D.A.Meyer, P.Nieminen, M.Nyman, R.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo Collectivity in neutron-deficient Pb and Po nuclei
doi: 10.1140/epjst/e2007-00282-8
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
2007OK05 Phys.Rev. C 76, 044315 (2007); Erratum Phys.Rev. C 78, 069904 (2008) Y.Oktem, D.L.Balabanski, B.Akkus, C.W.Beausang, M.Bostan, R.B.Cakirli, R.F.Casten, M.Danchev, M.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladniski, G.Gurdal, J.Tm.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, N.Nikolov, J.R.Novak, G.Rainovski, L.L.Riedinger, I.Yigitoglu, N.V.Zamfir, O.Zeidan High-spin states in 191, 193Au and 192Pt: Evidence for oblate deformation and triaxial shapes NUCLEAR REACTIONS 186W(11B, 4n), (11B, 4np), (11B, 6n), E=68 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), linear polarization.191,193Au, 192Pt deduced levels, J, π; calculated deformation parameters using Particle-Plus-Triaxial Rotor model.
doi: 10.1103/PhysRevC.76.044315
2007PR03 Phys.Rev. C 75, 014309 (2007) F.M.Prados Estevez, A.M.Bruce, M.J.Taylor, H.Amro, C.W.Beausang, R.F.Casten, J.J.Ressler, C.J.Barton, C.Chandler, G.Hammond Isospin purity of T = 1 states in the A = 38 nuclei studied via lifetime measurements in 38K NUCLEAR REACTIONS 40Ca(d, α), E=4.5 MeV; measured Eγ, Iγ, γγ-, αγ-coin, DSA. 38K deduced levels, J, π, T1/2.
doi: 10.1103/PhysRevC.75.014309
2007WO08 Phys.Rev. C 76, 047308 (2007) A.Wolf, Z.Berant, A.Heinz, V.Werner, E.A.McCutchan, G.Gurdal, R.B.Cakirli, Y.Oktem, J.Ai, L.Amon, C.W.Beausang, D.S.Brenner, R.F.Casten, R.J.Casperson, K.Dusling, C.R.Fitzpatrick, A.B.Gransworthy, N.Pietralla, J.Qian, P.H.Regan, N.J.Thompson, E.Williams, R.Winkler g factor of the 2+1 state of 170Hf RADIOACTIVITY 170Ta(β+), (EC) [from 159Tb(16O, 5n), E=100 MeV]; measured Eγ, Iγ, γγ(θ) in static magnetic field. 170Hf; deduced levels, J, π, g-factor of first 2+ state.
doi: 10.1103/PhysRevC.76.047308
2006GR16 Phys.Rev.Lett. 97, 062501 (2006) T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo Collectivity and Configuration Mixing in 186, 188Pb and 194Po NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=357 MeV; 108Pd(83Kr, 3n), E=340 MeV; 114Cd(83Kr, 3n), E=375 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (recoil)γ-coin. 186,188Pb, 194Po levels deduced T1/2, B(E2), transition quadrupole moments. configuration-mixing features. Jurogam array, recoil decay tagging, recoil-distance Doppler-shift technique.
doi: 10.1103/PhysRevLett.97.062501
2006ME03 Phys.Rev. C 73, 024307 (2006) D.A.Meyer, C.W.Beausang, J.J.Ressler, H.Ai, H.Amro, M.Babilon, R.F.Casten, C.R.Fitzpatrick, G.Gurdal, A.Heinz, E.A.McCutchan, C.Plettner, J.Qian, N.J.Thomas, V.Werner, E.Williams, N.V.Zamfir, J.Zhang First investigation of excited states in the odd-proton nucleus 209Fr NUCLEAR REACTIONS 176Yb(37Cl, 3n), (37Cl, 4n), (37Cl, 4np), E=173, 179, 185 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin; deduced excitation functions. 197Au(16O, 4n), (16O, 3n), E=90 MeV; measured Eγ, Iγ, γγ-coin. 209Fr deduced levels, J, π, configurations, isomer T1/2. 208Rn, 210Fr deduced isomers T1/2. Gas-filled spectrometer.
doi: 10.1103/PhysRevC.73.024307
2006WI15 Phys.Rev. C 74, 024302 (2006) E.Williams, C.Plettner, E.A.McCutchan, H.Levine, N.V.Zamfir, R.B.Cakirli, R.F.Casten, H.Ai, C.W.Beausang, G.Gurdal, A.Heinz, J.Qian, D.A.Meyer, N.Pietralla, V.Werner Revisiting anomalous B(E2;4+1 → 2+1)/B(E2;2+1 → 0+1) values in 98Ru and 180Pt NUCLEAR REACTIONS 27Al(98Ru, 98Ru'), E=289 MeV; measured Eγ, Iγ, γγ-coin following projectile Coulomb excitation. 98Ru deduced transitions B(E2). 122Sn(62Ni, 4n), E=265 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 180Pt deduced transitions T1/2, B(E2). Comparison with previous results, model predictions.
doi: 10.1103/PhysRevC.74.024302
2005GR35 Eur.Phys.J. A 25, Supplement 1, 441 (2005) T.Grahn, A.Dewald, O.Moller, C.W.Beausang, S.Eeckhaudt, P.T.Greenlees, J.Jolie, P.Jones, R.Julin, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, P.Nieminen, M.Nyman, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, C.Scholey, J.Uusitalo RDDS lifetime measurement with JUROGAM + RITU NUCLEAR REACTIONS 108Pd(83Kr, 3n), E=340 MeV; measured Doppler-shifted Eγ, Iγ, (recoil)γ-coin. 188Pb levels deduced T1/2, B(E2), deformation. Jurogam array, mass separator, recoil-distance technique.
doi: 10.1140/epjad/i2005-06-024-2
2005GU28 J.Phys.(London) G31, S1873 (2005) G.Gurdal, H.Amro, C.W.Beausang, D.S.Brenner, M.P.Carpenter, R.F.Casten, C.Engelhardt, G.B.Hagemann, C.R.Hansen, D.J.Hartley, B.Herskind, H.Hubel, T.L.Khoo, T.Lauritsen, W.C.Ma, D.A.Meyer, E.F.Moore, A.Neusser, P.Bringel, D.G.Roux, G.Sletten, R.B.Yadav, Y.Zhang Quadrupole moment measurements of TSD1 and TSD2 bands in 167Lu NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, DSA. 167Lu deduced triaxial superdeformed band transition quadrupole moment. Gammasphere array.
doi: 10.1088/0954-3899/31/10/091
2005MC01 Phys.Rev. C 71, 024309 (2005) E.A.McCutchan, N.V.Zamfir, R.F.Casten, M.A.Caprio, H.Ai, H.Amro, C.W.Beausang, A.A.Hecht, D.A.Meyer, J.J.Ressler γ-ray spectroscopy of 166Hf: X(5) in N > 90? RADIOACTIVITY 166Hf(β+), (EC) [from 159Tb(16O, 9n)]; measured Eγ, Iγ, γγ-coin. 166Hf deduced levels, J, π, X(5) symmetry features. NUCLEAR STRUCTURE 150Nd, 152Sm, 154Gd, 156Dy, 162Yb, 166Hf, 170W, 176Os; analyzed levels, J, π, B(E2), X(5) symmetry features.
doi: 10.1103/PhysRevC.71.024309
2005PL03 Phys.Rev. C 71, 051602 (2005) C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes Estimation of (n, f) cross sections by measuring reaction probability ratios NUCLEAR REACTIONS 236,238U(d, pF), (d, d'F), E=24, 32 MeV; measured fission probability ratios. Comparison with results from neutron-induced reactions.
doi: 10.1103/PhysRevC.71.051602
2005PL05 J.Phys.(London) G31, S1573 (2005) C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei NUCLEAR REACTIONS 236,238U(d, d'F), (d, pF), E=24, 32 MeV; measured fragment yields; deduced fission probability ratios vs excitation energy. Surrogate method for neutron-induced fission cross-section determination.
doi: 10.1088/0954-3899/31/10/035
2005RE02 Phys.Rev. C 71, 014302 (2005) J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.Babilon, J.A.Caggiano, R.F.Casten, G.Gurdal, A.Heinz, R.O.Hughes, E.A.McCutchan, D.A.Meyer, C.Plettner, J.Qian, M.J.S.Sciacchitano, N.J.Thomas, E.Williams, N.V.Zamfir Isomeric decay of 208Ra NUCLEAR REACTIONS 182W(30Si, 4n), E=151 MeV; measured delayed Eγ, Iγ, (recoil)γ-coin. 208Ra deduced levels, J, π, isomeric state T1/2. 182,183,184,186W(30Si, X)210Ra/209Ra/208Ra/209Fr, E=151 MeV; measured delayed Eγ, Iγ, (recoil)γ-coin. 209Fr, 209,210Ra deduced transitions. Level systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.71.014302
2005RE23 J.Phys.(London) G31, S1605 (2005) J.J.Ressler, C.W.Beausang, R.F.Casten, N.V.Zamfir, H.Ai, H.Amro, M.Babilon, R.B.Cakirli, J.A.Caggiano, G.Gurdal, A.Heinz, R.O.Hughes, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, J.Qian, P.H.Regan, M.J.S.Sciacchitano, N.J.Thomas, E.Williams, A.Yamamoto Isomers and seniority in the trans-Pb nuclei NUCLEAR REACTIONS 182,184W(30Si, 4n), E=148 MeV; measured delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 208,210Ra deduced levels, J, π, isomers T1/2, B(E2). Mass separator.
doi: 10.1088/0954-3899/31/10/041
2004BA91 Phys.Rev. C 70, 044305 (2004) D.L.Balabanski, M.Danchev, D.J.Hartley, L.L.Riedinger, O.Zeidan, J.Zhang, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, R.Krucken, J.R.Novak, N.V.Zamfir, K.E.Zyromski Possible assignment of chiral twin bands in 188Ir NUCLEAR REACTIONS 186W(7Li, 5n), E=52 MeV; measured Eγ, Iγ, γγ-coin. 188Ir deduced high-spin levels, J, π, configurations, B(M1)/B(E2), chiral twin bands. Tilted-axis cranking calculations, level systematics in neighboring isotopes discussed.
doi: 10.1103/PhysRevC.70.044305
2004BE13 Phys.Rev. C 69, 034320 (2004) Z.Berant, A.Wolf, N.V.Zamfir, M.A.Caprio, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Krucken, C.J.Barton, J.R.Cooper, A.A.Hecht, D.M.Johnson, J.R.Novak, H.Cheng, B.F.Albanna, G.Gurdal g factor of the 2+1 state of 164Yb RADIOACTIVITY 164Lu(EC) [from 155Gd(14N, 5n)]; measured Eγ, Iγ(θ, H), γγ-coin. 164Yb level deduced g factor. Comparison with model predictions. Systematic trends discussed.
doi: 10.1103/PhysRevC.69.034320
2004CA42 Phys.Rev. C 70, 044312 (2004) R.B.Cakirli, R.F.Casten, E.A.McCutchan, H.Ai, H.Amro, M.Babilon, C.W.Beausang, A.Heinz, R.O.Hughes, D.A.Meyer, C.Plettner, J.J.Ressler, N.V.Zamfir Breakdown of vibrational structure in 98Ru NUCLEAR REACTIONS 96Mo(α, 2n), E=24, 26, 28, 30 MeV; measured Eγ, Iγ, γγ-coin. 98Ru deduced levels, J, π, breakdown of vibrational structure.
doi: 10.1103/PhysRevC.70.044312
2004MC01 Phys.Rev. C 69, 024308 (2004) E.A.McCutchan, N.V.Zamfir, M.A.Caprio, R.F.Casten, H.Amro, C.W.Beausang, D.S.Brenner, A.A.Hecht, C.Hutter, S.D.Langdown, D.A.Meyer, P.H.Regan, J.J.Ressler, A.D.Yamamoto Low spin states in 162Yb and the X(5) critical point symmetry RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; measured Eγ, Iγ, γγ-coin. 162Yb deduced levels, J, π, symmetry features.
doi: 10.1103/PhysRevC.69.024308
2004RE03 Phys.Rev. C 69, 034317 (2004) J.J.Ressler, R.F.Casten, N.V.Zamfir, C.W.Beausang, R.B.Cakirli, H.Ai, H.Amro, M.A.Caprio, A.A.Hecht, A.Heinz, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, P.H.Regan, M.J.S.Sciacchitano, A.D.Yamamoto Transition from the seniority regime to collective motion NUCLEAR STRUCTURE 92Mo, 94Ru, 96Pd, 98Cd, 118,120,122,124,126Sn, 148Dy, 150Er, 152Yb, 154Hf, 202,204,206,208,210,212Po, 204,206,208,210,212,214Rn, 206,208,210,212,214,216Ra; analyzed B(E2); deduced signature for transition to collective motion.
doi: 10.1103/PhysRevC.69.034317
2004RE04 Phys.Rev. C 69, 034331 (2004) J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.A.Caprio, R.F.Casten, A.A.Hecht, S.D.Langdown, E.A.McCutchan, D.A.Meyer, P.H.Regan, M.J.S.Sciacchitano, A.Yamamoto, N.V.Zamfir Isomer decay tagging in the heavy nuclei: 210Ra and 209Ra NUCLEAR REACTIONS 184W(30Si, 4n), (30Si, 5n), E=148 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 209,210Ra deduced levels, J, π, configurations, isomers T1/2. Gas-filled spectrometer, isomer decay tagging.
doi: 10.1103/PhysRevC.69.034331
2003AP01 Phys.Rev. C 67, 034309 (2003) D.E.Appelbe, C.J.Barton, M.H.Muikku, J.Simpson, D.D.Warner, C.W.Beausang, M.A.Caprio, J.R.Cooper, J.R.Novak, N.V.Zamfir, R.A.E.Austin, J.A.Cameron, C.Malcolmson, J.C.Waddington, F.R.Xu Detailed γ-ray spectroscopy of 55Cr and 56Cr: Confirmation of the subshell closure at N=32 NUCLEAR REACTIONS 48Ca(11B, 2np), (11B, 3np), E=35-40 MeV; measured Eγ, Iγ, γγ-coin. 55,56Cr deduced high-spin levels, J, π, configurations. Total Routhian surface calculations. Level systematics and shell features in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.67.034309
2003BA01 Phys.Lett. 551B, 269 (2003) C.J.Barton, M.A.Caprio, D.Shapira, N.V.Zamfir, D.S.Brenner, R.L.Gill, T.A.Lewis, J.R.Cooper, R.F.Casten, C.W.Beausang, R.Krucken, J.R.Novak B(E2) values from low-energy Coulomb excitation at an ISOL facility: the N = 80, 82 Te isotopes NUCLEAR REACTIONS C(130Te, 130Te'), (132Te, 132Te'), (134Te, 134Te'), E=350 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 130,132,134Te deduced transitions B(E2).
doi: 10.1016/S0370-2693(02)03066-6
2003BA18 Phys.Rev. C 67, 034310 (2003) C.J.Barton, D.S.Brenner, N.V.Zamfir, M.A.Caprio, A.Aprahamian, M.C.Wiescher, C.W.Beausang, Z.Berant, R.F.Casten, J.R.Cooper, R.L.Gill, R.Krucken, J.R.Novak, N.Pietralla, M.Shawcross, A.Teymurazyan, A.Wolf Mass measurement of 80Y by β-γ coincidence spectroscopy RADIOACTIVITY 80Y(EC), (β+) [from 58Ni(28Si, npα)]; measured Eγ, Eβ, βγ-coin; deduced Q(EC). 80Sr deduced transitions. Implications for astrophysical rp-process simulations discussed.
doi: 10.1103/PhysRevC.67.034310
2003CA03 Eur.Phys.J. A 16, 177 (2003) M.A.Caprio, N.V.Zamfir, E.A.McCutchan, R.F.Casten, Z.Berant, H.Amro, C.J.Barton, C.W.Beausang, D.S.Brenner, J.R.Cooper, R.L.Gill, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, D.A.Meyer, J.R.Novak, N.Pietralla, P.H.Regan, J.J.Ressler Measurement of 2+1 level lifetimes in 162Yb and 162Er by fast electronic scintillation timing RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; 162Tm(β+), (EC) [from 155Gd(12C, 5n), and subsequent decay]; measured Eγ, Iγ(t), γγ-, βγ-coin. 162Yb, 162Er levels deduced T1/2. Fast electronic scintillation timing, comparison with previous results.
doi: 10.1140/epja/i2002-10086-8
2003CA23 Phys.Rev. C 67, 064306 (2003) R.F.Casten, E.A.McCutchan, N.V.Zamfir, C.W.Beausang, J.Zhang Wobbling motion: A γ-rigid or γ-soft mode?
doi: 10.1103/PhysRevC.67.064306
2003DA34 Phys.Rev. C 68, 054307 (2003) M.Danchev, D.L.Balabanski, I.Yigitoglu, B.Akkus, C.W.Beausang, M.Bostan, R.F.Casten, M.K.Djongolov, M.N.Erduran, S.Erturk, K.A.Gladnishki, G.Gurdal, J.TM.Goon, D.J.Hartley, A.A.Hecht, R.Krucken, J.R.Novak, Y.Oktem, G.Rainovski, L.L.Riedinger, N.V.Zamfir, O.Zeidan Delayed backbending in the πh9/2 band of 187Ir NUCLEAR REACTIONS 176Yb(15N, 4n), E=82 MeV; measured Eγ, Iγ, γγ-coin. 187Ir deduced high-spin levels, J, π, configurations. Rotational band systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.68.054307
2003DE24 Phys.Rev. C 68, 034314 (2003) A.Dewald, R.Peusquens, B.Saha, P.von Brentano, A.Fitzler, T.Klug, I.Wiedenhover, M.P.Carpenter, A.Heinz, R.V.F.Janssens, F.G.Kondev, C.J.Lister, D.Seweryniak, K.Abu Saleem, R.Krucken, J.R.Cooper, C.J.Barton, K.Zyromski, C.W.Beausang, Z.Wang, P.Petkov, A.M.Oros-Peusquens, U.Garg, S.Zhu Recoil-gated plunger lifetime measurements in 188Pb NUCLEAR REACTIONS 40Ca(152Sm, 4n), E=805 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (recoil)γ-coin. 188Pb levels deduced T1/2, B(E2), deformation, collectivity. Recoil-distance technique, Gammasphere array, mass separator. Three-band mixing calculation.
doi: 10.1103/PhysRevC.68.034314
2003HE25 Phys.Rev. C 68, 054310 (2003) A.A.Hecht, C.W.Beausang, H.Amro, C.J.Barton, Z.Berant, M.A.Caprio, R.F.Casten, J.R.Cooper, D.J.Hartley, R.Krucken, D.A.Meyer, H.Newman, J.R.Novak, N.Pietralla, J.J.Ressler, A.Wolf, N.V.Zamfir, J.-Y.Zhang, K.E.Zyromski Evidence for chiral symmetry breaking in 140Eu? NUCLEAR REACTIONS 92Mo(51V, n2p), E=205 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 140Eu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), possible chiral symmetry breaking. Cranked mean field and total Routhian surface calculations. Rotational band systematics in neighboring nuclides discussed.
doi: 10.1103/PhysRevC.68.054310
2003HU07 Phys.Rev. C 67, 054315 (2003) C.Hutter, R.Krucken, A.Aprahamian, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, W.-T.Chou, R.M.Clark, D.Cline, J.R.Cooper, M.Cromaz, A.A.Hecht, A.O.Macchiavelli, N.Pietralla, M.Shawcross, M.A.Stoyer, C.Y.Wu, N.V.Zamfir B(E2) values and the search for the critical point symmetry X(5) in 104Mo and 106Mo RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-coin. 104,106Mo deduced levels T1/2, B(E2), transition quadrupole moments. Recoil-distance technique, Gammasphere array, comparison with model predictions.
doi: 10.1103/PhysRevC.67.054315
2003KU11 Phys.Lett. B 562, 193 (2003) G.Kumbartzki, N.Benczer-Koller, J.Holden, G.Jakob, T.J.Mertzimekis, M.J.Taylor, K.-H.Speidel, R.Ernst, A.E.Stuchbery, C.W.Beausang, R.Krucken Competition between proton and neutron excitations in 96Zr NUCLEAR REACTIONS C, 24Mg, Cu, Gd, Ta(96Zr, 96Zr'), E=265-274 MeV; measured Eγ, Iγ(θ, H, t), DSA following projectile Coulomb excitation. 96Zr levels deduced T1/2, g factors, configurations, transition B(E3). Transient field technique, comparison with shell model results.
doi: 10.1016/S0370-2693(03)00608-7
2003RE10 Phys.Rev.Lett. 90, 152502 (2003) P.H.Regan, C.W.Beausang, N.V.Zamfir, R.F.Casten, J.-Y.Zhang, A.D.Yamamoto, M.A.Caprio, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.A.Meyer, J.J.Ressler Signature for Vibrational to Rotational Evolution Along the Yrast Line NUCLEAR REACTIONS 96Zr(9Be, 3n), E=44 MeV; measured Eγ, Iγ, γγ-coin. 102Ru deduced high-spin levels, J, π, evolution from vibrational to rotational structure. NUCLEAR STRUCTURE 98,100,102,104,106,108Mo, 100,102,104,106,108,110Ru, 102,104,106,108,110,112Pd, 104,106,108,110,112,114Cd; analyzed transition energies vs spin; deduced evolution from vibrational to rotational behavior.
doi: 10.1103/PhysRevLett.90.152502
2003TA05 Phys.Lett. B 559, 187 (2003) M.J.Taylor, N.Benczer-Koller, G.Kumbartzki, T.J.Mertzimekis, S.J.Q.Robinson, Y.Y.Sharon, L.Zamick, A.E.Stuchbery, C.Hutter, C.W.Beausang, J.J.Ressler, M.A.Caprio Competing core and single particle excitations in the 2+1 state in 44Ca NUCLEAR REACTIONS C, Cu, Gd(44Ca, 44Ca'), E=85, 90, 95 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 44Ca level deduced g factor, configuration. Transient field technique.
doi: 10.1016/S0370-2693(03)00346-0
2002AP04 Phys.Rev. C66, 044305 (2002) D.E.Appelbe, P.J.Twin, C.W.Beausang, D.M.Cullen, D.Curien, G.Duchene, S.Erturk, Ch.Finck, B.Haas, E.S.Paul, D.C.Radford, C.Rigollet, M.B.Smith, O.Stezowski, J.C.Waddington, A.N.Wilson Evidence for triaxial deformation near N = 86: Collective bands in 152, 153Dy and 153Ho NUCLEAR REACTIONS 120Sn(37Cl, 4n), E=177 MeV; 124Sn(34S, 5n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 153Ho, 153Dy deduced high-spin levels, J, π, configurations, triaxial deformation. Eurogam II array, cranked mean-field calculations. NUCLEAR STRUCTURE 152Dy; analyzed data; deduced triaxial superdeformed band. Cranked mean-field analysis.
doi: 10.1103/PhysRevC.66.044305
2002CA49 Phys.Rev. C 66, 054310 (2002) M.A.Caprio, N.V.Zamfir, R.F.Casten, C.J.Barton, C.W.Beausang, J.R.Cooper, A.A.Hecht, R.Krucken, H.Newman, J.R.Novak, N.Pietralla, A.Wolf, K.E.Zyromski Low-spin structure of 156Dy through γ-ray spectroscopy RADIOACTIVITY 156Er, 156Ho(β+), (EC) [from 148Sm(12C, 4n) and subsequent decay]; measured Eγ, Iγ, γγ-coin. 156Dy deduced levels, J, π, B(E2), feeding intensities. Comparisons with neighboring isotones and with model predictions.
doi: 10.1103/PhysRevC.66.054310
2002KA01 Nucl.Phys. A697, 3 (2002) M.Kaci, M.-G.Porquet, I.Deloncle, M.Aiche, F.Azaiez, G.Bastin, C.W.Beausang, C.Bourgeois, R.M.Clark, R.Duffait, J.Duprat, B.J.P.Gall, F.Hannachi, K.Hauschild, M.J.Joyce, A.Korichi, Y.Le Coz, M.Meyer, E.S.Paul, N.Perrin, N.Poffe, N.Redon, C.Schuck, H.Sergolle, J.F.Sharpey-Schafer, J.Simpson, A.G.Smith, R.Wadsworth Multiparticle Excitations in 194Pb NUCLEAR REACTIONS 184W(16O, 6n), E=113 MeV; measured Eγ, Iγ, angular distribution, γγ-coin. 194Pb deduced high-spin levels, J, π, B(M1)/B(E2) ratios, dipole bands, multiparticle configurations. Eurogam array.
doi: 10.1016/S0375-9474(01)01225-8
2002KR09 Phys.Rev.Lett. 88, 232501 (2002) R.Krucken, B.Albanna, C.Bialik, R.F.Casten, J.R.Cooper, A.Dewald, N.V.Zamfir, C.J.Barton, C.W.Beausang, M.A.Caprio, A.A.Hecht, T.Klug, J.R.Novak, N.Pietralla, P.von Brentano B(E2) Values in 150Nd and the Critical Point Symmetry X(5) NUCLEAR REACTIONS 150Nd(32S, 32S'), E=132 MeV; measured Eγ, Iγ, (particle)γ-coin, Doppler-shifted spectra following Coulomb excitation. 150Nd deduced levels T1/2, B(E2), symmetry features. Recoil-distance method.
doi: 10.1103/PhysRevLett.88.232501
2002PI04 Phys.Rev. C65, 024317 (2002) N.Pietralla, R.Krucken, C.J.Barton, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, J.R.Novak, N.V.Zamfir, A.Lisetskiy, A.Schmidt Lifetimes of Quasideuteron Configurations in the Odd-Odd N = Z Nucleus 2550Mn25 NUCLEAR REACTIONS 40Ca(12C, np), E=27 MeV; measured Eγ, Iγ, γγ-coin, DSA. 50Mn deduced levels, J, π, T1/2, B(M1), B(E2), quasideuteron configurations. Comparison with shell-model predictions.
doi: 10.1103/PhysRevC.65.024317
2002WO10 Phys.Rev. C66, 024323 (2002) A.Wolf, N.V.Zamfir, M.A.Caprio, Z.Berant, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Kruecken, K.E.Zyromski, C.J.Barton, J.R.Cooper, A.A.Hecht, H.Newman, J.R.Novak, J.Cederkall Structure of low-lying states in 128Ba from γ-γ angular correlations and polarization measurements RADIOACTIVITY 128La(EC) [from 116Sn(16O, 3np)]; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 128Ba deduced levels, J, π, B(E2). Comparison with model predictions.
doi: 10.1103/PhysRevC.66.024323
2002YA13 Phys.Rev. C66, 024302 (2002) A.D.Yamamoto, P.H.Regan, C.W.Beausang, F.R.Xu, M.A.Caprio, R.F.Casten, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, S.D.Langdown, D.Meyer, J.J.Ressler, N.V.Zamfir High-j proton and neutron alignments in γ-soft 101Ru NUCLEAR REACTIONS 96Zr(9Be, 4n), E ≈ 44 MeV; measured Eγ, Iγ, γγ-coin. 101Ru deduced high-spin levels, J, π, configurations. Total Routhian surface calculations, comparisons with previous results.
doi: 10.1103/PhysRevC.66.024302
2002ZA04 Phys.Rev. C65, 044325 (2002) N.V.Zamfir, M.A.Caprio, R.F.Casten, C.J.Barton, C.W.Beausang, Z.Berant, D.S.Brenner, W.T.Chou, J.R.Cooper, A.A.Hecht, R.Krucken, H.Newman, J.R.Novak, N.Pietralla, A.Wolf, K.E.Zyromski 102Pd: An E(5) nucleus ? RADIOACTIVITY 102Ag(β+), (EC) [from 89Y(16O, 3n)]; measured Eγ, Iγ. 102Pd deduced levels, J, π, symmetry features.
doi: 10.1103/PhysRevC.65.044325
2002ZA07 Phys.Rev. C65, 067305 (2002) N.V.Zamfir, H.G.Borner, N.Pietralla, R.F.Casten, Z.Berant, C.J.Barton, C.W.Beausang, D.S.Brenner, M.A.Caprio, J.R.Cooper, A.A.Hecht, M.Krticka, R.Krucken, P.Mutti, J.R.Novak, A.Wolf Lifetime and B(E2) Values for the 31+ Level in 152Sm NUCLEAR REACTIONS 151Sm(n, γ), E=reactor; measured Doppler-broadened Eγ, Iγ. 152Sm level deduced T1/2, B(E2), phase coexistence. Gamma-ray induced Doppler broadening technique. RADIOACTIVITY 152Eu(EC); measured γγ-coin, γ-ray polarization. 152Sm transition deduced δ.
doi: 10.1103/PhysRevC.65.067305
2001BE10 Nucl.Phys. A682, 394c (2001) C.W.Beausang, A.A.Hecht, K.E.Zyromski, D.Balabanski, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, D.Hartley, R.Krucken, J.R.Novak, N.V.Zamfir, J.-Y.Zhang, F.Donau Evidence for Chiral Symmetry in the Mass A ∼ 130 Region NUCLEAR REACTIONS 116Sn(24Mg, 3np), E=130, 135 MeV; 106Cd(35Cl, n2p), E=150 MeV; measured Eγ, Iγ, γγ-coin. 136Pm, 138Eu deduced high-spin levels, J, π, possible chiral twin bands.
doi: 10.1016/S0375-9474(00)00665-5
2001CO19 Phys.Rev.Lett. 87, 132503 (2001) J.R.Cooper, R.Krucken, C.W.Beausang, J.R.Novak, A.Dewald, T.Klug, G.Kemper, P.von Brentano, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, I.Wiedenhover Crossing of Shears Bands in 197Pb: B(M1) Values and Semiclassical Description NUCLEAR REACTIONS 176Yb(26Mg, 5n), E=130 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 197Pb levels deduced T1/2, B(M1), shears band features. Gammasphere array, recoil distance technique.
doi: 10.1103/PhysRevLett.87.132503
2001HE15 Phys.Rev. C63, 051302 (2001) A.A.Hecht, C.W.Beausang, K.E.Zyromski, D.L.Balabanski, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, D.J.Hartley, R.Krucken, D.Meyer, H.Newman, J.R.Novak, E.S.Paul, N.Pietralla, A.Wolf, N.V.Zamfir, J.-Y.Zhang, F.Donau Evidence for Chiral Symmetry Breaking in 136Pm and 138Eu NUCLEAR REACTIONS 116Sn(24Mg, 3np), E=130, 135 MeV; 106Cd(35Cl, n2p), E=150 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 136Pm, 138Eu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), chiral twin bands. Comparison with tilted axis cranking model calculations. Yrast ball, Eurogam I arrays.
doi: 10.1103/PhysRevC.63.051302
2001HO02 Phys.Rev. C63, 024315 (2001) J.Holden, N.Benczer-Koller, G.Jakob, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken, A.Macchiavelli, M.McMahan, L.Phair, A.E.Stuchbery, P.Maier-Komor, W.Rogers, A.D.Davies Single Particle Degrees of Freedom in the Transition from Deformed to Spherical Nd Nuclei NUCLEAR REACTIONS Si, Ni(144Nd, 144Nd'), (146Nd, 146Nd'), (148Nd, 148Nd'), (150Nd, 150Nd'), E=285, 584-608 MeV; measured Eγ, Iγ(θ, H, t), (particle)γ-coin following projectile Coulomb excitation. 144,146,148,150Nd levels deduced g factors, configurations. Transient field technique.
doi: 10.1103/PhysRevC.63.024315
2001KR13 Phys.Rev. C64, 017305 (2001) R.Krucken, W.-T.Chou, J.R.Cooper, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, A.A.Hecht, J.R.Novak, N.Pietralla, A.Wolf, N.V.Zamfir Lifetimes in Neutron-Rich Fission Fragments using the Differential Recoil Distance Method RADIOACTIVITY 252Cf(SF); measured Doppler-shifted Eγ, Iγ, γγ-, (fragment)γ-coin. 104Mo, 110Ru, 144Ba deduced levels T1/2, transition quadrupole moments. Differential recoil distance method.
doi: 10.1103/PhysRevC.64.017305
2001NE11 Phys.Rev. C64, 027304 (2001) H.Newman, J.R.Novak, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, R.Krucken, N.Pietralla, A.Wolf, N.V.Zamfir, J.-Y.Zhang, K.E.Zyromski, I.Birriel, J.Saladin High-Spin States in 203Rn NUCLEAR REACTIONS 174Yb(34S, 5n), E=167 MeV; 168Er(40Ar, 5n), E=188 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 203Rn deduced high-spin levels, J, π, configurations. Gammasphere, Yrast ball arrays, fragment mass analyzer.
doi: 10.1103/PhysRevC.64.027304
2001NI13 Phys.Rev. C64, 034313 (2001) N.Nica, G.Duchene, V.E.Iacob, J.Dudek, F.A.Beck, Th.Byrski, D.Curien, G.de France, B.Haas, B.Kharraja, D.Prevost, C.Petrache, H.Savajols, J.P.Vivien, L.Han, K.Zuber, M.Aiche, M.M.Aleonard, J.F.Chemin, C.W.Beausang, S.Clarke, P.J.Dagnall, M.Smith, P.J.Twin, J.Simpson, M.A.Bentley High-Spin States in 155Er NUCLEAR REACTIONS 123Sb(37Cl, 5n), E=193 MeV; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 155Er deduced high-spin levels, J, π, δ, configurations, deformation. Eurogam II array. Tilted-Fermi-surface analysis.
doi: 10.1103/PhysRevC.64.034313
2001PI12 Phys.Rev. C64, 031301 (2001) N.Pietralla, C.J.Barton III, R.Krucken, C.W.Beausang, M.A.Caprio, R.F.Casten, J.R.Cooper, A.A.Hecht, H.Newman, J.R.Novak, N.V.Zamfir Coulomb Excitation of the 2ms+ State of 96Ru in Inverse Kinematics NUCLEAR REACTIONS C(96Ru, 96Ru'), E=280 MeV; measured Eγ, Iγ, γγ-coin following projectile Coulomb excitation. 96Ru deduced transitions B(M1), B(E2), mixed-symmetry 2+ state. Comparison with neighboring nuclide 94Mo, IBM-2, shell model, and quasiparticle phonon model calculations.
doi: 10.1103/PhysRevC.64.031301
2001ST04 Phys.Rev.Lett. 86, 971 (2001) K.Starosta, T.Koike, C.J.Chiara, D.B.Fossan, D.R.LaFosse, A.A.Hecht, C.W.Beausang, M.A.Caprio, J.R.Cooper, R.Krucken, J.R.Novak, N.V.Zamfir, K.E.Zyromski, D.J.Hartley, D.L.Balabanski, J.-Y.Zhang, S.Frauendorf, V.I.Dimitrov Chiral Doublet Structure in Odd-Odd N = 75 Isotones: Chiral vibrations NUCLEAR REACTIONS 124Sn(10B, 4n), E=47 MeV; 123Sb(13C, 4n), E=64 MeV; 116Sn(24Mg, 4n), E=130 MeV; measured Eγ, Iγ, γγ-coin. 130Cs, 132La, 136Pm deduced high-spin levels, J, π, possible chiral vibrations. Tilted axis cranking calculations.
doi: 10.1103/PhysRevLett.86.971
2001TO06 Phys.Rev. C63, 034314 (2001) B.E.Tomlin, C.J.Barton, N.V.Zamfir, M.A.Caprio, R.L.Gill, R.Krucken, J.R.Novak, J.R.Cooper, K.E.Zyromski, G.Cata-Danil, C.W.Beausang, A.Wolf, N.A.Pietralla, H.Newman, J.Cederkall, B.Liu, Z.Wang, R.F.Casten, D.S.Brenner Mass Measurements of 70Se, 71Se, 72Br, and 73Br RADIOACTIVITY 70,71Se, 72,73Br(β+) [from 58Ni(HI, xnyp)]; measured β-spectrum, βγ-coin; deduced Q(EC), mass excess. Comparison with model predictions.
doi: 10.1103/PhysRevC.63.034314
2001WU03 Phys.Rev. C64, 014307 (2001); Comment Phys.Rev. C66, 039801 (2002) C.Y.Wu, D.Cline, A.B.Hayes, M.W.Simon, R.Krucken, J.R.Cooper, C.J.Barton, C.W.Beausang, C.Bialik, M.A.Caprio, R.F.Casten, A.A.Hecht, H.Newman, J.Novak, N.Pietralla, K.Zyromski, N.V.Zamfir Two-Phonon γ-Vibrational Strength in Osmium Nuclei NUCLEAR REACTIONS 188,190Os(58Ni, 58Ni'), E=275 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 188,190Os deduced levels, J, π, B(E2), two-phonon γ-vibration strength. Recoil-distance technique.
doi: 10.1103/PhysRevC.64.014307
2000AP01 Phys.Rev. C61, 037303 (2000) D.E.Appelbe, C.W.Beausang, C.J.Barton, M.A.Caprio, R.F.Casten, J.Cederkall, J.R.Cooper, R.Krucken, J.R.Novak, N.V.Zamfir, Z.Wang Evidence for Superdeformation in 149, 150Dy: Onset of the collapse of the Z = 66 deformed shell closure ? NUCLEAR REACTIONS 120Sn(34S, 4n), (34S, 5n), E=175 MeV; measured Eγ, Iγ, γγ-coin. 149,150Dy deduced possible continuum superdeformed transitions.
doi: 10.1103/PhysRevC.61.037303
2000GR32 Phys.Rev. C62, 064304 (2000) J.Groger, J.Jolie, R.Krucken, C.W.Beausang, M.Caprio, R.F.Casten, J.Cederkall, J.R.Cooper, F.Corminboeuf, L.Genilloud, G.Graw, C.Gunther, M.de Huu, A.I.Levon, A.Metz, J.R.Novak, N.Warr, T.Wendel Nuclear Structure of 196Au: More evidence for its supersymmetric description NUCLEAR REACTIONS 196Pt(p, n), (p, 2n), E=9.1-11.7 MeV; measured Eγ, Iγ, γ-ray excitation functions. 196Pt(p, n), E=9.1 MeV; measured Eγ, Iγ, E(Ce), I(ce), (X-ray)γ-, (ce)γ-, γγ-coin. 196Au deduced levels, J, π. Comparison with extended supersymmetry model predictions.
doi: 10.1103/PhysRevC.62.064304
2000GU22 Phys.Rev. C61, 064602 (2000) C.Gunther, R.Krucken, C.J.Barton, C.W.Beausang, R.F.Casten, Gh.Cata-Danil, J.R.Cooper, J.Groger, J.Novak, N.V.Zamfir Coulomb Excitation of Vibrational States in 232Th with 16O Projectiles NUCLEAR REACTIONS 232Th(16O, 16O'), E=80 MeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 232Th deduced high-spin levels, J, π, transition intensities, vibrational bands features.
doi: 10.1103/PhysRevC.61.064602
2000JA11 Phys.Lett. 494B, 187 (2000) G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, R.Ernst, P.Maier-Komor, C.W.Beausang, R.Krucken First Measurements of the g Factors of the 21+ and 31+ States of Semi-Magic 4090Zr NUCLEAR REACTIONS 24,26Mg(90Zr, 90Zr'), E=270, 300 MeV; measured Eγ, Iγ(θ, H, t), (recoil)γ-coin, DSA following projectile Coulomb excitation. 90Zr levels deduced g factors, T1/2, configurations. Transient field technique, target backed with Gd, Ta, Cu.
doi: 10.1016/S0370-2693(00)01197-7
2000SM03 Phys.Rev. C61, 034314 (2000) M.B.Smith, D.E.Appelbe, P.J.Twin, C.W.Beausang, F.A.Beck, M.A.Bentley, D.M.Cullen, D.Curien, P.J.Dagnall, G.de France, G.Duchene, S.Erturk, Ch.Finck, B.Haas, I.M.Hibbert, J.C.Lisle, B.M.Nyako, C.D.O'Leary, C.Rigollet, H.Savajols, J.Simpson, O.Stezowski, J.Styczen, J.P.Vivien, K.Zuber Deformed Rotational Cascades in 152Dy: Further evidence for shape coexistence at high spin NUCLEAR REACTIONS 124Sn(34S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 120Sn(36S, 4n), E=168 MeV; measured Eγ, Iγ, γγ-coin, DSA. 152Dy deduced high-spin levels, J, π, T1/2, quadrupole moments, configurations, shape coexistence. Eurogam array. Cranked mean-field calculations.
doi: 10.1103/PhysRevC.61.034314
2000WI18 Eur.Phys.J. A 9, 183 (2000) A.N.Wilson, C.W.Beausang, N.Amzal, D.E.Appelbe, S.Asztalos, P.A.Butler, R.M.Clark, P.Fallon, A.O.Macchiavelli High-Spin States following Multi-Nucleon Transfer NUCLEAR REACTIONS 208Pb(64Ni, X), E=350 MeV; measured Eγ, Iγ, γγ-coin; deduced fragments isotopic yields following multi-nucleon transfer. 60,62Fe, 68,70,72Zn deduced high-spin levels, J, π. Gammasphere array.
doi: 10.1007/s100500070035
1999FI12 Phys.Lett. 467B, 15 (1999) Ch.Finck, O.Stezowski, N.Kintz, J.P.Vivien, K.Zuber, A.Nourreddine, D.E.Appelbe, C.W.Beausang, F.A.Beck, T.Byrski, S.Courtin, D.Curien, G.de France, G.Duchene, S.Erturk, B.J.P.Gall, B.Haas, N.Khadiri, E.Pachoud, C.Rigollet, M.Smith, Ch.Theisen, P.J.Twin First Evidence for Linking Transitions between the Superdeformed Yrast Band and the Normal Deformed States in 149Gd NUCLEAR REACTIONS 124Sn(30Si, 5n), E=158 MeV; measured Eγ, Iγ, γγ-coin. 149Gd deduced high-spin levels, J, π, superdeformed band linking transitions. Eurogam II array.
doi: 10.1016/S0370-2693(99)01139-9
1999JA13 Phys.Lett. 468B, 13 (1999) G.Jakob, N.Benczer-Koller, J.Holden, G.Kumbartzki, T.J.Mertzimekis, K.-H.Speidel, C.W.Beausang, R.Krucken Spin Dependence of d5/2 Neutron Configurations in the Wave Functions of 92, 94Zr from g-Factor Measurements NUCLEAR REACTIONS Si(92Zr, 92Zr'), (94Zr, 94Zr'), E=300 MeV; measured Eγ, Iγ(θ, H, t) following projectile Coulomb excitation. 92,94Zr levels deduced g factors, configurations.
doi: 10.1016/S0370-2693(99)01203-4
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