NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = W.Urban Found 227 matches. Showing 1 to 100. [Next]2023RZ01 Phys.Rev. C 108, 014324 (2023) T.Rzaca-Urban, W.Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, G.de France, G.S.Simpson, C.A.Ur Low-spin excitations in 95Zr NUCLEAR REACTIONS 94Zr(n, γ), 235U(n, F)95Zr, E=cold neutrons; measured Eγ, Iγ γγ-coin, γγγ-coin, γγ(θ). 95Zr; deduced levels, J, π, transition intensities, γ-transition branchings, angular correlation coefficients. Comparison of low-spin excitations of 94Zr, 95Zr, 96Zr, 97Zr. EXILL array of 16 large HPGe detectors at the PF1B facility of ILL-Grenoble. RADIOACTIVITY 95Y(β-)[from 235U(n, F), E=cold neutrons]; measured Eγ, Iγ γγ-coin, γγγ-coin, γγ(θ). 95Zr; deduced levels, J, π, transition intensities, γ-transition branchings, angular correlation coefficients. EXILL array of 16 large HPGe detectors at the PF1B facility of ILL-Grenoble.
doi: 10.1103/PhysRevC.108.014324
2023WI04 Phys.Rev. C 108, 024302 (2023) J.Wisniewski, W.Urban, T.Rzaca-Urban, K.Sieja, A.Blanc, M.Jentschel, C.Micheagnoli, P.Mutti, U.Koster, G.de France, G.S.Simpson, C.A.Ur Structure of N=56 isotones with 36 ≤ Z ≤ 42 protons NUCLEAR REACTIONS 235U(n, F)92Kr/96Zr, E = thermal; 97Mo(n, γ), E = thermal; measured Eγ, Iγ, γγ-coin, γγ(θ). 92Kr, 96Zr, 98Mo; deduced levels, J, π, angular correlation coefficients, linear polarization, high-spin states, δ, configurations. 92Kr; calculated occupation of neutron and proton orbitals. Systematics of low-spin level structures for N=56 isotones (Se, Kr, Sr, Zr, Mo, Ru, Pd). Comparison to large-scale shell-model (LSSM) calculations for 92Kr. EXILL array of 16 large Ge detectors including eight clover detectors in one plane with an octagonal geometry was used for experiment in which 92Kr and 96Zr were measured, while for 98Mo - FIPPS array of 8 HPGe detectors mounted in an octagonal geometry was used.
doi: 10.1103/PhysRevC.108.024302
2022KU09 Phys.Rev. C 105, 034316 (2022) J.Kurpeta, A.Abramuk, T.Rzaca-Urban, W.Urban, L.Canete, T.Eronen, S.Geldhof, M.Gierlik, J.P.Greene, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, G.S.Simpson, A.G.Smith, M.Vilen β- and γ-spectroscopy study of 119Pd and 119Ag RADIOACTIVITY 119,119mPd(β-)[from 253U(p, F), E=25 MeV]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin, γγ∓coin; deduced β-branching ratios, logft, T1/2. 252Cf(SF); measured Eγ, Iγ, γ(θ), γγγ-coin. 119Pd; levels, J, π, T1/2 for ground state and proposed 11/2- isomer. 119Ag; deduced levels, J, π, multipolarities, ICC, δ, structure of rotational band. Discovered 2 separate bands in 119Ag possibly feeded by 2 different β-decaying states in 119Pd. Systematics of low-energy excitations in odd-A isotopes of Rh, Ag, In, and selected low-energy levels in odd-A nuclei of cadmium (109Cd, 111Cd, 113Cd, 115Cd, 117Cd, 119Cd, 121Cd, 123Cd), the isotones of palladium. Isotopes of 119Pd were separated and purified using IGISOL technique and JYFLTRAP Penning trap. Gammas from 252Cf spontaneous fission were measured with Gammasphere array at ANL.
doi: 10.1103/PhysRevC.105.034316
2022RZ01 Phys.Rev. C 106, 024322 (2022) T.Rzaca-Urban, K.Sieja, M.Czerwinski, J.Kurpeta, M.Pomorski, W.Urban, J.Wisniewski, M.Wroblewski, L.Canete, T.Eronen, S.Geldhof, A.Jokinen, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, I.Pohjalainen, S.Rinta-Antila, A.de Roubin, M.Vilen Low-spin excitations in 89Br populated in β- decay of 89Se RADIOACTIVITY 89Se(β-), (β-n)[from U(p, F), E=30 MeV, followed by separation of fragments using Ion Guide Isotope Separator On-Line (IGISOL) facility and JYFLTRAP at Jyvaskyla]; measured fission fragment yields, Eγ, Iγ, γγ-coin. 89Se; deduced J, π, T1/2, %β-n or Pn for g.s. decay. 89Br; deduced levels, J, π, multipolarities, β feedings, Gamow-Teller transition, logft, configurations, occupation of neutron and proton orbitals. 88Br; deduced levels, J, π. Comparison with large-scale shell-model calculations. Systematics of level energies, J, π in 83,85,87As, 69,71,73,75,77,79,81,83,85,87,89Br, 87,89,91Rb, 89,91,93Y, 91,93,95Nb.
doi: 10.1103/PhysRevC.106.024322
2022SI16 Phys.Rev. C 106, 014302 (2022) M.Si, R.Lozeva, H.Naidja, A.Blanc, J.-M.Daugas, F.Didierjean, G.Duchene, U.Koster, T.Kurtukian-Nieto, F.Le Blanc, P.Mutti, M.Ramdhane, W.Urban New β-decay spectroscopy of the 137Te nucleus RADIOACTIVITY 137Te(β-), (β-n)[from 235U(n, F), E=thermal at the high flux reactor of Institut Laue-Langevin (ILL), followed by separation of fragments using LOHENGRIN separator]; measured Eγ, Iγ, γγ-coin, βγ-coin using two clover Ge detectors surrounded by BGO anti-Compton shields, and a coaxial HPGe detector for γ radiation, and plastic scintillators for β radiation. 137I; deduced levels, J, π, β feedings, logft, shell-model configurations and wave function amplitudes. 136I; deduced one level at 87.3 keV through the observation of g.s. transition. 137Te; measured T1/2 of its decay by time distribution of β-decay events; estimated lower limit of %β-n or Pn decay mode. Comparison of level structure of 137I with theoretical shell-model (SM) calculations.
doi: 10.1103/PhysRevC.106.014302
2021BO02 Phys.Rev. C 103, 014320 (2021) S.Bottoni, N.Cieplicka-Orynczak, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, G.Bocchi, D.Bazzacco, G.Benzoni, A.Blanc, A.Bracco, S.Ceruti, F.C.L.Crespi, G.de France, E.R.Gamba, L.W.Iskra, M.Jentschel, U.Koster, C.Michelagnoli, B.Million, D.Mengoni, P.Mutti, Y.Niu, C.Porzio, G.Simpson, T.Soldner, B.Szpak, A.Turler, C.A.Ur, W.Urban Low-spin particle-core and hole-core excitations in 41, 47, 49Ca isotopes studied by cold-neutron-capture reactions NUCLEAR REACTIONS 40,46,48Ca(n, γ), E=cold neutrons from High Flux Reactor of ILL-Grenoble; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array of eight clover detectors from the EXOGAM setup, six coaxial detectors from the GASP array, and two ILL clover detectors. 41,47,49Ca; deduced levels, J, π, γ branching ratios, multipolarities, mixing ratios, S(n), configurations. Comparison with self-consistent beyond-mean-field calculations using hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian. NUCLEAR STRUCTURE 41,47,49Ca; calculated levels, J, π, wave functions and corresponding squared amplitudes, B(E3), spectroscopic factors for 49Ca levels populated in (d, p) reaction using self-consistent beyond-mean-field calculations in a hybrid configuration mixing model, based on a Skyrme SkX Hamiltonian. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.014320
2021NY01 Phys.Rev. C 103, 034304 (2021) B.M.Nyako, J.Timar, M.Csatlos, Zs.Dombradi, A.Krasznahorkay, I.Kuti, D.Sohler, T.G.Tornyi, M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, L.Atanasova, D.L.Balabanski, K.Sieja, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Medium-spin states of the neutron-rich nucleus 87Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, (γ rays from complementary fission fragments of 146,147La)γγ-coin, γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 87Br; deduced high-spin levels, J, π, bands, γ-ray branching ratios, multipolarities, mixing ratios, configurations; calculated levels, J, π, bands, proton and neutron occupations of excited states using shell-model. Comparison of 9/2+ band in 87Br with g.s. bands of 86Se and 88Kr.
doi: 10.1103/PhysRevC.103.034304
2021NY02 Phys.Rev. C 104, 054305 (2021) B.M.Nyako, J.Timar, M.Csatlos, Zs.Dombradi, A.J.Krasznahorkay, I.Kuti, D.Sohler, T.G.Tornyi, M.Czerwinski, T.Rzaca-Urban, W.Urban, L.Atanasova, D.L.Balabanski, K.Sieja, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, G.S.Simpson, T.Soldner, C.A.Ur Observation of excited states in the neutron-rich nucleus 89Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, (γ rays from complementary fission fragments 144,145La)γγ-coin, using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 89Br; deduced high-spin levels, J, π, g9/2 band, γ-ray branching ratios for one level, configurations, evolution of collectivity in this mass region. Comparison with large valence-space shell-model calculations, and with experimental levelstructure in 87Br investigated by 2021Ny01: Phys. Rev. C 103, 034304. 144,145La; observed γ rays.
doi: 10.1103/PhysRevC.104.054305
2021UR03 Phys.Rev. C 104, 064309 (2021) W.Urban, K.Sieja, T.Rzkaca-Urban, J.Wisniewski, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, A.G.Smith, J.P.Greene Structure of even-even Sr isotopes with 50 ≤ N ≤ 58 neutrons NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear polarization) using Exogam array at Institut Laue Langevin (EXILL) at Grenoble. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching ratios, multipolarities, multipole mixing ratios. Comparison with previous experimental results, and with large-scale shell-model calculations; discussed role of the ν9/2[404] extruder in change of deformation in this mass range. Systematics of excited 0+ low-lying states in N=50-64, Zn, Ge, Se, Kr, Sr, Zr, Ru; and in N=50, 52, Z=28-50 even-even isotopes. RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array at Argonne National Laboratory. 90,92,94Sr, 96Sr; deduced levels, J, π, γ-branching. Results from this experiment were mainly used as a countercheck of data from 235U(n, F) reaction. No separate Eγ, Iγ data given from this measurement. NUCLEAR STRUCTURE 88,90,92,94Sr, 96Sr; calculated main proton and neutron components in wave functions of the levels in Sr isotopes, structure of first four 0+, first two 1+, first three 2+, first two 3+, and first 3-, 4-, 5-, 6-, 7- and 9- levels in terms of main components, B(M1), occupation of proton orbitals in selected levels of 88Sr using large-scale shell-model.
doi: 10.1103/PhysRevC.104.064309
2020KN04 Phys.Rev. C 102, 054322 (2020) L.Knafla, P.Alexa, U.Koster, G.Thiamova, J.-M.Regis, J.Jolie, A.Blanc, A.M.Bruce, A.Esmaylzadeh, L.M.Fraile, G.de France, G.Hafner, S.Ilieva, M.Jentschel, V.Karayonchev, W.Korten, T.Kroll, S.Lalkovski, S.Leoni, H.Mach, N.Marginean, P.Mutti, G.Pascovici, V.Paziy, Zs.Podolyak, P.H.Regan, O.J.Roberts, N.Saed-Samii, G.S.Simpson, J.F.Smith, T.Soldner, C.Townsley, C.A.Ur, W.Urban, A.Vancraeyenest, N.Warr Lifetime measurements in the odd-A nucleus 177Hf RADIOACTIVITY 177mLu(β-)[from thermal neutron activation of Lu(NO3)3 at the FRM2 reactor in Garching]; measured Eγ, Iγ, γγ-coin, half-lives of levels in 177Hf by γγ(t) and generalized-centroid-difference (GCD) method using EXILL-FATIMA array of eight HPGe-Clover detectors and 16 fast-timing LaBr3(Ce) detectors at ILL-Grenoble. 177Hf; deduced levels, J, π, B(M1), B(E2), B(E1), configurations. Comparison to particle-rotor-model (PRM), and quasiparticle-phonon-model (QPM) calculations with multipole-multipole interactions. 176Hf; calculated microscopic structure of the lowest 2-qp vibrational states.
doi: 10.1103/PhysRevC.102.054322
2020KO03 Phys.Rev. C 101, 014303 (2020) P.Koseoglou, V.Werner, N.Pietralla, S.Ilieva, T.Niksic, D.Vretenar, P.Alexa, M.Thurauf, C.Bernards, A.Blanc, A.M.Bruce, R.B.Cakirli, N.Cooper, L.M.Fraile, G.de France, M.Jentschel, J.Jolie, U.Koster, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, P.Mutti, Z.Patel, V.Paziy, Zs.Podolyak, P.H.Regan, J.-M.Regis, O.J.Roberts, N.Saed-Samii, G.S.Simpson, T.Soldner, C.A.Ur, W.Urban, D.Wilmsen, E.Wilson Low-Z boundary of the N=88-0 shape phase transition: 148Ce near the critical point NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutrons from PF1B, ILL-Grenoble facility; measured Eγ, γγ-coin, half-lives of the first 2+ and 4+ levels in 148Ce by fast-timing technique using the EXILL-FATIMA array of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators. 148Ce; deduced levels, B(E2) for the first 2+ 4+ states. Comparison with predictions of vibrator, rigid rotor, X(5) and X(5)-β8 models, and with previous experimental results. Systematics of E(first 4+)/E(first 2+) and energies of the yrast states for N=90 isotones 146Ba, 148Ce, 150Nd, 152Sm, 154Gd, 156Dy. NUCLEAR STRUCTURE 144,146,148Ce, 146,148,150Nd, 148,150,152,154Sm; calculated quantum shape phase transition (QSPT) lines in the IBM symmetry triangle using IBM-1 model. 148Ce; calculated self-consistent triaxial quadrupole constrained energy surfaces and probability distributions in in the β-γ plane using Axial Skyrme-Hartree-Fock-Bogoliubov model.
doi: 10.1103/PhysRevC.101.014303
2020UR02 Phys.Rev. C 102, 024318 (2020) W.Urban, T.Rzaca-Urban, J.Wisniewski, J.Kurpeta, A.Plochocki, J.P.Greene, A.G.Smith, G.S.Simpson New, low-energy excitations in 107Mo and 109Mo RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, half-lives of the isomer in 107Mo by γγ(t) using the Eurogam2 array for 248Cm(SF) experiment and Gammasphere array for 252Cf(SF). 107,109Mo; deduced levels, isomers, J, π, Jπ for ground states and isomers, total conversion coefficients for an isomeric transition in 107Mo, configurations. Systematics of low-energy excitations and γ deformation parameters in Mo isotopes.
doi: 10.1103/PhysRevC.102.024318
2020UR03 Phys.Rev. C 102, 064321 (2020) W.Urban, T.Rzaca-Urban, A.G.Smith, G.S.Simpson, J.P.Greene First observation of excited states in the 154Ce96 nucleus: Rigid rotation at Z = 58 RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, population of even-even Ce isotopes using the Eurogam2 and Gammasphere arrays. 154Ce; deduced levels, J, π, rotational band up to 8+. 140,142,144Xe, 142,144,146,148,150Ba, 146,148,150,152Ce, 150,152,154,156Nd, 156,158,160Sm, 160,162,164Gd; measured Eγ for ground-state bands up to 8+, and compared to literature values. Systematics of excited 0+ states in N=88 and N=90 isotones of Ba, Ce, Nd, Sm, Gd, Dy and Er. Systematics of E(first 4+)/E(first 2+) of N=90, 92, 94 and 96 isotones of Ba to Hf isotopes, and for N(even)=90-106, Z(even)=56-66 nuclei.
doi: 10.1103/PhysRevC.102.064321
2019BO22 Acta Phys.Pol. B50, 285 (2019) S.Bottoni, L.W.Iskra, S.Leoni, B.Fornal, G.Colo, D.Bazzacco, L.Gatti, G.Benzoni, A.Blanc, G.Bocchi, A.Bracco, N.Cieplicka-Orynczak, F.C.L.Crespi, M.Jentschel, U.Koster, C.Michelagnoli, B.Million, P.Mutti, T.Soldner, C.A.Ur, W.Urban Investigating Core Excitations in the 131Sn One-valence-hole Nucleus NUCLEAR REACTIONS 235U, 241Pu(n, F), E=cold; measured Eγ, Iγ, γγ-coin. 131Sn; deduced levels, J, π; calculated levels, J, π using Hybrid Configuration Mixing Model describing 131Sn in terms of 132Sn core coupled to single-hole degrees of freedom.
doi: 10.5506/aphyspolb.50.285
2019GR06 J.Phys.(London) G46, 075101 (2019) E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska Decay properties of the 3-1 level in 96Mo NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results. NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.
doi: 10.1088/1361-6471/ab0b5e
2019KU16 Phys.Rev. C 100, 034316 (2019) J.Kurpeta, A.Plochocki, W.Urban, A.Abramuk, L.Canete, T.Eronen, A.Fijalkowska, S.Geldhof, K.Gotowicka, A.Jokinen, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, I.Pohjalainen, M.Pomorski, M.Reponen, S.Rinta-Antila, A.de Roubin, T.Rzaca-Urban, M.Vilen, J.Wisniewski First β-decay scheme of 107Nb: New insight into the low-energy levels of 107Mo RADIOACTIVITY 107Nb(β-)[from U(p, F), E=25 MeV from the K-130 cyclotron at the University of Jyvaskyla, followed by separation of fission fragments using IGISOL-4 for mass separation, and JYFLTRAP Penning trap for isobaric purification]; measured yields of Mo and Nb ions, Eγ, Iγ, γγ- and βγ-coin, γ(Kα x-ray)-coin, half-life of the decay of 107Nb using a plastic scintillator for β particles and three Ge detectors for low-energy γ rays. 107Mo; deduced levels, J, π, bands, K-conversion coefficients for three transitions, total conversion coefficient for one transition, multipolarities, β feedings, logft. Systematics of energies of the first and second 1/2+ levels in N=55-71, Z(even)=40-46. Comparison of the experimental γ-ray transition intensities between low-lying levels in 105Mo and 107Mo. Discussed the revised energy of the 420-ns isomer.
doi: 10.1103/PhysRevC.100.034316
2019PE06 Phys.Rev. C 99, 024303 (2019) C.M.Petrache, J.-M.Regis, C.Andreoiu, M.Spieker, C.Michelagnoli, P.E.Garrett, A.Astier, E.Dupont, F.Garcia, S.Guo, G.Hafner, J.Jolie, F.Kandzia, V.Karayonchev, Y.-H.Kim, L.Knafla, U.Koster, B.F.Lv, N.Marginean, C.Mihai, P.Mutti, K.Ortner, C.Porzio, S.Prill, N.Saed-Samii, W.Urban, J.R.Vanhoy, K.Whitmore, J.Wisniewski, S.W.Yates Collectivity of the 2p-2h proton intruder band of 116Sn NUCLEAR REACTIONS 115Sn(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin, half-lives of levels using γγ-coin fast timing technique at ILL-Grenoble. 116Sn; deduced levels, J, π, B(E2) values of states in the normal and intruder configurations. Comparison with previous measurements, and with theoretical predictions using IBM-2. Systematics of levels, J, π and half-lives in 110,112,114,116,118,120,122Sn.
doi: 10.1103/PhysRevC.99.024303
2019SP03 Phys.Rev. C 100, 014311 (2019) P.Spagnoletti, G.Simpson, S.Kisyov, D.Bucurescu, J.-M.Regis, N.Saed-Samii, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, C.Bernards, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, C.Larijarni, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, J.F.Smith, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, N.Warr, V.Werner, M.Zielinska Lifetimes and shape-coexisting states of 99Zr NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from high-flux reactor of the Institut Laue-Langevin; measured Eγ, Iγ, level half-lives by γγ(t) using EXILL-FATIMA Ge and LaBr3(Ce) detector array for fast-timing technique. 99Zr; deduced levels, J, π, B(E2), B(M1), Q(transition), β2, configuration, kinematic moment of inertia for ν3/2[451] band. Systematics of kinematic moments of inertia of ν3/2[411] bands in 99,101,103Zr, 97Sr. Comparison with theoretical calculations using IBFM-1 model, and with previous experimental results.
doi: 10.1103/PhysRevC.100.014311
2019TH01 Phys.Rev. C 99, 011304 (2019) M.Thurauf, Ch.Stoyanov, M.Scheck, M.Jentschel, C.Bernards, A.Blanc, N.Cooper, G.De France, E.T.Gregor, C.Henrich, S.F.Hicks, J.Jolie, O.Kaleja, U.Koster, T.Kroll, R.Leguillon, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.F.Smith, T.Soldner, M.Tezgel, W.Urban, J.Vanhoy, M.Werner, V.Werner, K.O.Zell, T.Zerrouki Low-lying octupole isovector excitation in 144Nd NUCLEAR REACTIONS 143Nd(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives of 3- states by Doppler-shift technique (GRID) using EXILL array for γ detection at the Institut Laue-Langevin, Grenoble. 144Nd; deduced low-lying 3- levels, multipolarities, mixing ratios, B(M1), B(E2), B(E3). Comparison with quasiparticle phonon model (QPM) calculations.
doi: 10.1103/PhysRevC.99.011304
2019UR01 Phys.Rev. C 99, 064325 (2019) W.Urban, T.Rzaca-Urban, J.Wisniewski, I.Ahmad, A.G.Smith, G.S.Simpson Structure of 0+ excitations in the mass A ≈ 100 region: 0+2 bands in 98Sr and 100Zr RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, and γγ(θ)(DCO) using the Eurogam2 and Gammasphere arrays for γ detection. 98Sr, 100Zr; deduced levels, J, π, B(E2), bands, configurations. Systematics of 0+ states, and β deformation in 90,92,94,96,98,100Sr, 92,94,96,98,100,102Zr, 94,96,98,100,102,104,106Mo, 96,98,100,102,104,106,108,110Ru, 100,104,106,108,110,112Pd, 106,108,110,112,114Cd, 108,110,112,114,116Sn.
doi: 10.1103/PhysRevC.99.064325
2019UR02 Phys.Rev. C 100, 014319 (2019) W.Urban, T.Rzaca-Urban, J.Wisniewski, A.G.Smith, G.S.Simpson, I.Ahmad First observation of γ-soft and triaxial bands in Zr isotopes RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, and γγ(θ) using the Eurogam2 array at ILL-Grenoble, and Gammasphere array at ANL. 100,102Zr; deduced high-spin levels, J, π, multipolarities, mixing ratios, triaxial and γ bands, alignments and staggering in bands, γ softness and triaxiality in Zr isotopes.
doi: 10.1103/PhysRevC.100.014319
2019WI11 Phys.Rev. C 100, 054331 (2019) J.Wisniewski, W.Urban, M.Czerwinski, J.Kurpeta, A.Plochocki, M.Pomorski, T.Rzaca-Urban, K.Sieja, L.Canete, T.Eronen, S.Geldhof, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, S.Rinta-Antila, A.de Roubin, M.Vilen Excited states in 87Br populated in β decay of 87Se RADIOACTIVITY 87Se(β-)[from Th(p, F), E=25 MeV using the IGISOL technique, then separated on a dipole magnet and JYFLTRAP Penning trap setup]; measured Eγ, Iγ, γγ-coin using an array of six high-resolution Ge detectors with thin carbon windows at the University of Jyvaskyla. 87Br; deduced levels, J, π, β feedings, logft values, configurations. 87Se; deduced ground-state Jπ. Comparison with large-scale shell-model calculations, and with previous experimental results.
doi: 10.1103/PhysRevC.100.054331
2018KU13 Phys.Rev. C 98, 024318 (2018) J.Kurpeta, A.Plochocki, W.Urban, T.Eronen, A.Jokinen, A.Kankainen, V.S.Kolhinen, I.D.Moore, H.Penttila, M.Pomorski, S.Rinta-Antila, T.Rzaca-Urban, J.Wisniewski Excited levels in the multishaped 117Pd nucleus studied via β decay of 117Rh RADIOACTIVITY 117Rh(β-)[from 238U(p, F), E=25 MeV followed by separation of 117Rh using IGISOL-4 mass separator coupled to the JYFLTRAP Penning trap at Jyvaskyla]; measured Eγ, Iγ, Pd x-rays, βγ-, (x-ray)γ- and γγ-coin, half-life of 117Rh decay from γ-decay curves using plastic scintillator for β detection and Ge detectors for γ detection. 117Pd; deduced levels, J, π, β feedings, logft values, configurations, Gamow-Teller transition strengths. 117Rh; deduced preliminary J and π of ground state from theoretical calculations and systematics of Rh isotopes. Systematics of low-spin levels in odd A=101-119 Rh isotopes and odd A=103-117 Pd isotopes, isomeric states and γ transitions in odd A=105-117 Pd isotopes, and negative-parity levels in odd A, N=57-71 Mo, Ru, and Pd isotopes.
doi: 10.1103/PhysRevC.98.024318
2018LO18 Phys.Rev. C 98, 024323 (2018) R.Lozeva, E.A.Stefanova, H.Naidja, F.Nowacki, T.Rzaca-Urban, J.Wisniewski, W.Urban, I.Ahmad, A.Blanc, G.De France, F.Didierjean, G.Duchene, H.Faust, J.P.Greene, U.Koster, P.Mutti, G.Simpson, A.G.Smith, T.Soldner, C.A.Ur New yrast and non-yrast states in 136I and medium-spin structure of 136I and 136Xe : Roles of the proton d5/2 and the neutron h9/2 orbitals beyond 132Sn NUCLEAR REACTIONS 235U, 241Pu(n, F)136I, E=thermal; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol) using the EXILL-FATIMA system, EXOGAM and EUROGAM clover HPGe detectors at ILL, Grenoble. 136I; deduced yrast and non-yrast levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations. Comparison with large scale shell-model calculations. RADIOACTIVITY 248Cm, 252Cf(SF); 136Te, 136I(β-)[136Te from 235U(n, F), E=thermal followed by separation of 136Te using Lohengrin fission-fragment separator at Grenoble, and 136I from 136Te decay]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(lin pol). 136I, 136Xe; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratios, configurations, Gamow-Teller strengths. Comparison with large scale shell-model calculations.
doi: 10.1103/PhysRevC.98.024323
2018RZ01 Phys.Rev. C 98, 064315 (2018) T.Rzaca-Urban, W.Urban, M.Czerwinski, J.Wisniewski, A.Blanc, H.Faust, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Low-spin excitations in 97Zr NUCLEAR REACTIONS 96Zr(n, γ), E=cold or thermal; measured Eγ, Iγ, γγ-coin, γγ(θ) using the EXILL HPGe array at the PF1B cold-neutron facility of ILL, Grenoble. 97Zr; deduced levels, J, π, multipolarities, mixing ratios, S(n), configurations. Comparison with previous experimental values. 27Al, 35Cl, 91Zr(n, γ), E=cold or thermal; measured Eγ, Iγ, data used for calibration purpose. 28Al, 92,97Zr; deduced S(n) and compared with literature values. RADIOACTIVITY 97,97mY(β-)[from 235U(n, F) using Lohengrin fission-fragment separator of the ILL]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear polarization) using the EXILL Ge array. 97Zr; deduced levels, J, π, multipolarities, mixing ratios. 97Sr, 88Br(IT); measured isomer half-lives of 830-keV isomer in 97Sr, and 270-keV isomer in 88Br by γ(t).
doi: 10.1103/PhysRevC.98.064315
2018WI06 Acta Phys.Pol. B49, 547 (2018) J.Wisniewski, W.Urban, T.Rzaca-Urban, U.Koster, C.Michelagnoli, M.Jentschel, P.Mutti Evolution of γ Collectivity - (n, γ) Spectroscopy of 98Mo with FIPPS* NUCLEAR REACTIONS 97Mo(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin using Ge Clover detectors of new instrument FIPPS; deduced γ-ray energy spectrum gated on 787.4 and 5680.0 keV lines, new γ-ray lines; deduced 97Mo gs (5/2)+ allowing measurements γ-band properties, partial γ transitions of 98Mo, levels, J, π angular correlations of cascading γ-rays, mixing ratios, evolution of collectivity in Mo isotopes in its early stage.
doi: 10.5506/aphyspolb.49.547
2017AN15 Phys.Rev. C 96, 054323 (2017) S.Ansari, J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, W.Korten, M.Zielinska, M.-D.Salsac, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, H.Mach, L.M.Fraile, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Experimental study of the lifetime and phase transition in neutron-rich 98, 100, 102Zr NUCLEAR REACTIONS 235U(n, F), 241Pu(n, F), E=cold neutrons beam from PF1B, Institut Laue-Langevin (ILL), Grenoble; measured Eγ, γγ-coin, half-lives of the first 2+, 4+ and 6+ levels by fast-timing technique using the EXILL-FATIMA array consisting of eight EXOGAM clovers and 16 LaBr3(Ce) scintillators; fast-timing coincidence events analyzed using method of mirror symmetric centroid difference (MSCD) and generalized centroid difference method (GCDM). 98,100,102Zr; deduced levels, B(E2). Comparison with Interacting Boson model and Monte-Carlo shell-model calculations, and with previous experimental results. Systematics of B(E2) values for the first 2+, 4+ and 6+ states in 96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.96.054323
2017BO09 Acta Phys.Pol. B48, 595 (2017) G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, D.Bazzacco, A.Blanc, S.Bottoni, N.Cieplicka-Orynczak, F.C.L.Crespi, G.De France, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, B.Szpak, C.A.Ur, W.Urban Interplay Between Particle and Core Excitations in 133Sb NUCLEAR REACTIONS 235U, 241Pu(n, f), E=cold; measured fission fragments both prompt and delayed Eγ, Iγ(t), (fragment)γ-coin, γγ-coin. 133Sb; deduced high-spin γ transitions 13/2+ and 15/2+ isomers T1/2, levels, J, π above 16.6 ms (21/2)+, state (4526 keV), B(M1) for (15/2)+ to (13/2)+ to (11/2)+, depopulation of the (21/2)+ isomer; calculated levels configuration, B(M1) for (15/2)+ to (13/2)+ to (11/2)+ using new "hybrid" microscopic model including couplings to different types of core excitation. Compared with "pure" shell model calculation.
doi: 10.5506/APhysPolB.48.595
2017CI02 Acta Phys.Pol. B48, 577 (2017) N.Cieplicka-Orynczak, G.Bocchi, S.Leoni, B.Fornal, S.Bottoni, M.Jentschel, U.Koster, P.Mutti, T.Soldner, A.Blanc, G.De France, G.S.Simpson, A.Turler, W.Urban, C.A.Ur Study of 41Ca via Cold Neutron Capture NUCLEAR REACTIONS 40,44,46Ca(n, γ), E=cold[Ca target with strongly enriched 44Ca]; measured Eγ, Iγ, γγ-coin using high resolution γ spectroscopy employing EXILL array (46 HPGe crystals). 41Ca; deduced γ transitions, levels, J, π, two new excited states, information about coupling valence nucleon with excitation of doubly-magic core.
doi: 10.5506/APhysPolB.48.577
2017CZ01 Phys.Rev. C 95, 024321 (2017) M.Czerwinski, K.Sieja, T.Rzaca-Urban, W.Urban, A.Plochocki, J.Kurpeta, J.Wisniewski, H.Penttila, A.Jokinen, S.Rinta-Antila, L.Canete, T.Eronen, J.Hakala, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, I.Pohjalainen, J.Reinikainen, V.Simutkin, A.Voss, I.Murray, C.Nobs Penning-trap-assisted study of excitations in 88Br β decay of 88Se RADIOACTIVITY 88Se(β-)[from U(p, F), E=30 MeV using Ion Guide Isotope Separator On-Line (IGISOL) facility and JYFLTRAP at Jyvaskyla]; measured yields of fission fragments, Eγ, Iγ, βγ- and γγ-coin, half-life of an isomer by γ(t). 88Br; deduced levels, J, π, total conversion coefficients from intensity balances, multipolarities, β feedings, log ft, configurations, comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 88Br; calculated levels, J, π, occupation of neutron and proton orbitals using large-scale shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024321
2017GR07 Phys.Rev. C 95, 051302 (2017) I.N.Gratchev, G.S.Simpson, G.Thiamova, M.Ramdhane, K.Sieja, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban Identification of excited states and collectivity in 88Se NUCLEAR REACTIONS 235U(n, F), E=cold neutron beam from PF1B-ILL-Grenoble; measured Eγ, Iγ, γγ-coin using EXILL array, average mass of complementary Ce nuclei. 88Se; deduced levels, J, π. Comparison with shell-model calculations, and systematics of first and second 2+ and first 4+ states in N=50-56 even-even Ge, Se, Kr and Sr isotopes. 145,146,147Ce, 86,87Se;observed γ rays.
doi: 10.1103/PhysRevC.95.051302
2017IS03 Europhys.Lett. 117, 12001 (2017) L.W.Iskra, B.Fornal, S.Leoni, G.Bocchi, A.Petrovici, C.Porzio, A.Blanc, G.De France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, D.Bazzacco, G.Benzoni, S.Bottoni, A.Bruce, N.Cieplicka-Orynczak, F.C.L.Crespi, L.M.Fraile, W.Korten, T.Kroll, S.Lalkovski, N.Marginean, C.Michelagnoli, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, Zs.Podolyak, P.H.Regan, B.Szpak New isomer in 96Y marking the onset of deformation at N = 57 NUCLEAR REACTIONS 235U, 241Pu(n, X)96Y, E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, intensities, J, π, isomer T1/2, negative parity states B(E2). Comparison with theoretical calculations.
doi: 10.1209/0295-5075/117/12001
2017IS04 Acta Phys.Pol. B48, 581 (2017) L.W.Iskra, G.Bocchi, B.Fornal, S.Leoni, S.Bottoni, N.Cieplicka-Orynczak, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, T.Soldner, A.Blanc, G.De France, G.S.Simpson, C.A.Ur, W.Urban Yrast Structure Above the 9.6 s 8+ Isomer in 96Y Isotope NUCLEAR REACTIONS 235U, 241Pu(n, x), E=cold; measured fission fragments Eγ, Iγ(θ), γγ-coin with gates on complementary fission fragment using highly efficient HPGe array consisting of eight EXOGAM Clover detectors, 6 large GASP detectors and 2 ILL Clovers. 96Y; deduced levels, J, π, partial level scheme, γ transitions, angular correlation coefficients, level structure above the 8+ isomer.
doi: 10.5506/APhysPolB.48.581
2017IS12 Phys.Scr. 92, 104001 (2017) L.W.Iskra, B.Fornal, S.Leoni, G.Bocchi, A.Blanc, S.Bottoni, N.Cieplicka-Orynczak, M.Jentschel, U.Koster, C.Michelagnoli, P.Mutti, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, W.Urban Medium and high spin structure in the 94Y isotope produced in fission induced by cold neutrons NUCLEAR REACTIONS 235U(n, F)94Y, E thermal; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, high spin isomers.
doi: 10.1088/1402-4896/aa842a
2017NA15 Phys.Rev. C 95, 064303 (2017) H.Naidja, F.Nowacki, B.Bounthong, M.Czerwinski, T.Rzaca-Urban, T.Roginski, W.Urban, J.Wisniewski, K.Sieja, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene New excitations in 142Ba and 144Ce: Evolution of γ bands in the N=86 isotones RADIOACTIVITY 252Cf(SF); 144La(β-)[from 252Cf SF]; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array at Argonne National Laboratory. 142Ba, 144Ce; deduced high-spin levels, J, π, multipolarity, mixing ratios. 140Xe; deduced multipolarity and mixing ratios from γγ(θ) data. Comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 142Ba, 144Ce; calculated levels, J, π, quadrupole moments, B(E2), potential energy surfaces in (β, γ) plane using large-scale shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.064303
2017RE05 Phys.Rev. C 95, 054319 (2017); Erratum Phys.Rev. C 95, 069902 (2017) J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, M.Scheck, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, S.Lalkovski, W.Korten, N.Marginean, T.Otsuka, N.Shimizu, T.Togashi, Y.Tsunoda Abrupt shape transition at neutron number N=60: B(E2) values in 94, 96, 98Sr from fast γ - γ timing NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutron beam; measured Eγ, Iγ, level half-lives by fast-timing γγ(t) method using EXILL and FATIMA spectrometer at ILL-Grenoble reactor facility. 94,96,98Sr; deduced levels, B(E2)values. Comparison with previous experimental values, and with Monte Carlo Shell-model calculations.
doi: 10.1103/PhysRevC.95.054319
2017RZ01 Phys.Rev. C 95, 064302 (2017) T.Rzaca-Urban, K.Sieja, W.Urban, M.Czerwinski, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Structure of 90, 91Kr nuclei: Solving the puzzle of their population in fission NUCLEAR REACTIONS 235U(n, Fγ), E=cold neutrons from PF1B facility of ILL-Grenoble; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array of 28 pairs of the eight clover detectors. 90,91Kr; deduced levels, J, π, multipolarity, mixing ratios. 142,143,144Ba; observed γ rays from complementary fission fragments. Comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 90,91Kr; calculated levels, J, π, occupation of neutron and proton orbitals using large-scale shell-model. Systematics of positive-parity, yrare states in Z=32-44, N=52, 54 even-even nuclei.
doi: 10.1103/PhysRevC.95.064302
2017SP02 Phys.Rev. C 95, 021302 (2017) P.Spagnoletti, G.S.Simpson, R.Carroll, J.-M.Regis, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, L.P.Gaffney, D.G.Ghita, S.Ilieva, J.Jolie, W.Korten, T.Kroll, C.Larijani, S.Lalkovski, R.Lica, H.Mach, N.Marginean, V.Paziy, Zs.Podolyak, P.H.Regan, M.Scheck, N.Saed-Samii, G.Thiamova, C.Townsley, A.Vancraeyenest, V.Vedia, A.Gargano, P.Van Isacker Half-life of the 15/2+ state of 135I A test of E2 seniority relations NUCLEAR REACTIONS 235U(n, F)135I, E=cold neutrons at PF1B facility and high-flux reactor of the ILL-Grenoble; measured prompt Eγ, Iγ, half-life of (15/2+) state in 135I by γγ(t) using EXILL-FATIMA γ-detector array of Clover Ge and LaBr3 detectors. 135I; deduced levels, B(E2), configuration, E2 seniority relations between B(E2) values in neighboring nuclei. NUCLEAR STRUCTURE 134Te, 135I; calculated levels, J, π, B(E2) by large-scale shell-model calculations; deduced large two-body component of the E2 operator, whereas small energy shifts due to the three-body component of the effective interaction.
doi: 10.1103/PhysRevC.95.021302
2017UR03 Phys.Rev. C 96, 044333 (2017) W.Urban, M.Czerwinski, J.Kurpeta, T.Rzaca-Urban, J.Wisniewski, T.Materna, L.W.Iskra, A.G.Smith, I.Ahmad, A.Blanc, H.Faust, U.Koster, M.Jentschel, P.Mutti, T.Soldner, G.S.Simpson, J.A.Pinston, G.de France, C.A.Ur, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, J.Rissanen, A.Saastamoinen, J.Szerypo, C.Weber, J.Aysto Shape coexistence in the odd-odd nucleus 98Y: The role of the g9/2 neutron extruder NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from PF1B facility at ILL Grenoble; measured Eγ, Iγ, γγ-coin, delayed γγ-coin, half-lives of several isomers in 98Y using the EXILL array at Grenoble. 98Y; deduced levels, isomers, J, π, bands, configurations, deformed and spherical isomers. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), γγ-coin with γ rays from fission partner 147La in 248Cm SF decay using Eurogam2 array at Grenoble and Gammasphere array at Argonne. 98Y; deduced levels, J, π, multipolarities. 98Sr, 98,98mY(β-)[from 235U(n, F), E=cold neutrons and using Lohengrin fission-fragment separator]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol), half-lives of decays of 98Sr, 98Y and 98Y isomer, excitation energy of the 2.36-s isomer in 98Y by using JYFLTRAP Penning trap at Jyvaskyla accelerator facility, . 98Y, 98Zr; deduced levels, J, π, multipolarities, mixing ratios, β feedings, logft, configurations. Comparison of negative-parity levels in 98Y with Interacting Boson Fermion Fermion Model (IBFFM) and Quasi-Particle Rotor Model (QPRM) calculations.
doi: 10.1103/PhysRevC.96.044333
2017WI15 Phys.Rev. C 96, 064301 (2017) J.Wisniewski, W.Urban, T.Rzaca-Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene Parity-doublet structure in the 14757La90 nucleus RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγγ-coin, γγ(θ) using Gammasphere array at ANL. 147La; deduced high-spin levels, J, π, multipolarities, multipole mixing ratios, parity-doublet structures, alignments, configurations, B(E1)/B(E2) ratios, intrinsic electric dipole moment D0, octupole correlations, Systematics of 3/2+, 5/2+, 7/2+, 3/2-, 7/2- and 11/2- levels in 139,141,143,145,147,149La.
doi: 10.1103/PhysRevC.96.064301
2016BA13 Acta Phys.Pol. B47, 897 (2016) P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, M.Konieczka, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.Ur Near-yrast Excitations in Nucleus 83As: Tracing the Deformation in the 78Ni Region NUCLEAR REACTIONS 235U(n, F)83As, E thermal; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with Nilsson model.
doi: 10.5506/APhysPolB.47.897
2016BE02 Nucl.Phys. A947, 76 (2016) J.Berzins, T.Krasta, L.Simonova, M.Balodis, V.Bondarenko, M.Jentschel, W.Urban, I.Tomandl Levels of 188Re nucleus populated in thermal neutron capture reaction NUCLEAR REACTIONS 187Re(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin using Ge detectors, crystal diffraction spectrometer GAMS5. 188Re deduced γ transitions, resonances observed in thermal neutron capture levels, J, π, rotational bands, branching ratios; calculated levels, J, π using QRM (Quasiparticle plus Rotor Model) and considering both axially-symmetric and non-axial deformations (below 1.2 MeV interpreted as rotational bands based on two-quasiparticle configurations).
doi: 10.1016/j.nuclphysa.2015.12.007
2016BO19 Phys.Lett. B 760, 273 (2016) G.Bocchi, S.Leoni, B.Fornal, G.Colo, P.F.Bortignon, S.Bottoni, A.Bracco, C.Michelagnoli, D.Bazzacco, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, J.-M.Regis, G.Simpson, T.Soldner, C.A.Ur, W.Urban, L.M.Fraile, R.Lozeva, B.Belvito, G.Benzoni, A.Bruce, R.Carroll, N.Cieplicka-Orynczak, F.C.L.Crespi, F.Didierjean, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, B.Melon, D.Mengoni, B.Million, A.Nannini, D.Napoli, B.Olaizola, V.Paziy, Zs.Podolyak, P.H.Regan, N.Saed-Samii, B.Szpak, V.Vedia The mutable nature of particle-core excitations with spin in the one-valence-proton nucleus 133Sb NUCLEAR REACTIONS 235U, 241Pu(n, F)133Sb, E low; measured fission products, Eγ, Iγ; deduced energy levels, J, π, level T1/2, B(Eλ). Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2016.06.065
2016CI02 Phys.Rev. C 93, 054302 (2016) N.Cieplicka-Orynczak, B.Fornal, S.Leoni, D.Bazzacco, A.Blanc, G.Bocchi, S.Bottoni, G.de France, M.Jentschel, U.Koster, P.Mutti, G.Simpson, T.Soldner, B.Szpak, C.Ur, W.Urban Approaching complete low-spin spectroscopy of 210Bi with a cold-neutron capture reaction NUCLEAR REACTIONS 209Bi(n, γ), E=cold neutrons from PF1B facility; measured Eγ, Iγ, γγ-coin, γγ(θ) using EXILL array at ILL-Grenoble. 210Bi; deduced levels, J, π, configurations, branching ratios, multipolarities, mixing ratios, energy-spin distribution of states, single particle-phonon excitations. Comparison with shell-model calculations using OXBASH code. NUCLEAR STRUCTURE 210Bi; calculated levels, J, π, configurations, amplitudes using shell-model OXBASH code with residual interaction of Kuo and Herling as modified by Warburton and Brown. Comparison with the present experimental data, and with evaluated data in NuDat2 database.
doi: 10.1103/PhysRevC.93.054302
2016CI04 Phys.Rev. C 94, 014311 (2016) N.Cieplicka-Orynczak, B.Szpak, S.Leoni, B.Fornal, D.Bazzacco, A.Blanc, G.Bocchi, S.Bottoni, G.de France, M.Jentschel, U.Koster, P.Mutti, G.Simpson, T.Soldner, C.Ur, W.Urban Multipolarity of the 2- → 1-, ground-state transition in 210Bi via multivariable angular correlation analysis NUCLEAR REACTIONS 209Bi(n, γ), E=cold-neutron from PF1B facility of ILL-Greboble; measured primary and secondary Eγ, Iγ, γγ-coin, γγ(θ). 210Pb; deduced levels, J, π, E2/M1 mixing ratios, multipolarity and mixing ratio of 2- to 1-, 320-keV transition by minimization of a multivariable χ2 cost function procedure applied to γγ(θ) data, capture σ; estimated production of 210Po daughter, and short-term radiotoxicity of nuclear reactors or accelerator driven systems with Pb-Bi coolant.
doi: 10.1103/PhysRevC.94.014311
2016CZ01 Phys.Rev. C 93, 034318 (2016) M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, J.Timar, B.M.Nyako, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Neutron-proton multiplets in the odd-odd nucleus9037Rb53 NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ(θ), level half-lives, γγγ-coincidences between transitions from 90Rb and from complementary fission fragments 143Cs and 144Cs using EXOGAM array at ILL-Grenoble. 90Rb; deduced medium-spin levels, J, π, multipolarities and mixing ratios, configurations, seniority-3 coupling in N=53 isotones and its absence in N=51 isotones. Comparison with shell-model calculations. NUCLEAR STRUCTURE 88,90Rb; calculated levels, J, π using shell-model. Comparison with experimental values.
doi: 10.1103/PhysRevC.93.034318
2016IL01 Phys.Rev. C 94, 034302 (2016) S.Ilieva, Th.Kroll, J.-M.Regis, N.Saed-Samii, A.Blanc, A.M.Bruce, L.M.Fraile, G.de France, A.-L.Hartig, C.Henrich, A.Ignatov, M.Jentschel, J.Jolie, W.Korten, U.Koster, S.Lalkovski, R.Lozeva, H.Mach, N.Marginean, P.Mutti, V.Paziy, P.H.Regan, G.S.Simpson, T.Soldner, M.Thurauf, C.A.Ur, W.Urban, N.Warr Measurement of picosecond lifetimes in neutron-rich Xe isotopes NUCLEAR REACTIONS 235U, 241Pu(n, F), E=cold neutron; measured Eγ, Iγ, γγ-coin, level half-lives for the first 2+, 4+ and 6+ states by γγ(t) and recoil-distance Doppler shift method using plunger device. EXILL and FATIMA detector arrays used at ILL-Grenoble facility. 138,140,142Xe; deduced levels, J, π, B(E2). Comparison with previous experimental results, and shell-model calculations. Systematics of B(E2) values for the first 2+ states in 132,134,136,138,140,142,144Xe.
doi: 10.1103/PhysRevC.94.034302
2016UR01 Phys.Rev. C 93, 034326 (2016) W.Urban, K.Sieja, T.Rzaca-Urban, M.Czerwinski, H.Naidja, F.Nowacki, A.G.Smith, I.Ahmad First evidence of γ collectivity close to the doubly magic core 132Sn RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 array. 138Te, 140Xe; deduced high-spin levels, J, π, bands, multipolarities, mixing ratios, configurations. Comparison with shell-model calculations. Systematics of negative- and positive-parity levels in N=86 isotones 136Sn, 138Te, 140Xe, 142Ba, 144Ce, 146Nd, 148Sm, 150Gd. 106,108Ru; observed γ rays. NUCLEAR STRUCTURE 138Te, 140Xe; calculated levels, J, π, B(E2), quadrupole moments, deformation parameter β using shell model.
doi: 10.1103/PhysRevC.93.034326
2016UR03 Phys.Rev. C 94, 011302 (2016) W.Urban, U.Koster, M.Jentschel, P.Mutti, B.Markisch, T.Rzaca-Urban, Ch.Bernards, Ch.Fransen, J.Jolie, T.Thomas, G.S.Simpson Precise measurement of energies in 115Sn following the (n, γ) reaction NUCLEAR REACTIONS 114Sn(n, γ), E=cold neutrons; measured primary and secondary Eγ, γγ-coin using eight large Ge detectors at PF1B facility of ILL-Grenoble. 115Sn; deduced levels, S(n). RADIOACTIVITY 115In(β-); deduced precise Q(β-) for a highly-forbidden β- transition from 115In g.s. parent to a 497, 3/2+ level in 115Sn using precisely measured masses of relevant nuclides and precise energy measurement of the 497.3-keV level in 115Sn from (n, γ).
doi: 10.1103/PhysRevC.94.011302
2016UR04 Phys.Rev. C 94, 044328 (2016) W.Urban, K.Sieja, T.Materna, M.Czerwinski, T.Rzaca-Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur, C.Bernards, C.Fransen, J.Jolie, J.-M.Regis, T.Thomas, N.Warr Low-spin structure of 8635Br51 and 8636Kr50 nuclei: The role of the g7/2 neutron orbital RADIOACTIVITY 86Se, 86Br(β-)[from 235U(n, γ), E=thermal neutrons from PF1B-ILL-Grenoble facility using Lohengrin fission-fragment separator]; measured Eγ, Iγ, γγ-coin for both decays, γγ(θ) and γγ(linear polarization) for 86Br decay using EXILL array of Ge detectors. 86Br, 86Kr; deduced levels, J, π, conversion coefficients, multipolarities, β feedings, logft. Comparison with large-scale shell-model calculations with refined interactions. NUCLEAR REACTIONS 235U(n, γ), E=thermal neutrons from PF1B-ILL-Grenoble facility; measured Eγ, Iγ, γγ-coin using EXILL array of Ge detectors, level half-life by γγ(t). 86Br; deduced levels, J, π, B(M2), B(E3).
doi: 10.1103/PhysRevC.94.044328
2015BA14 Phys.Rev. C 91, 047302 (2015) P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.A.Ur Near-yrast excitations in nucleus 83As: Tracing the πg9/2 orbital in the 78Ni region NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-, γ(x ray)-coin, γγ(θ) using EXILL array at ILL-Grenoble facility. 83As; deduced levels, J, π, multipolarity, configuration. Comparison with available shell-model calculations, and with systematics of 9/2+ and 5/2- levels in N=30-50 Cu, Ga, As, Br and Rb nuclei.
doi: 10.1103/PhysRevC.91.047302
2015BO03 Acta Phys.Pol. B46, 647 (2015) G.Bocchi, S.Leoni, S.Bottoni, A.Blanc, G.De France, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.Simpson, C.Ur, W.Urban Study of Low-spin States in Ca Isotopes via Neutron Capture Reactions NUCLEAR REACTIONS Ca(n, X)41Ca/45Ca/49Ca/49Sc, E low; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with theoretical calculations.
doi: 10.5506/APhysPolB.46.647
2015CZ01 Phys.Rev. C 92, 014328 (2015) M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, B.M.Nyako, J.Timar, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur Neutron-proton multiplets in the nucleus 88Br NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ-coin with γ rays from complementary fission fragments 145,146La, delayed γ spectra, level half-lives by γ(t), γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 95,97Sr; measured level half-lives of isomers by γγ(t). 145,146La; measured Eγ, γγ-coin. 88Br; deduced levels, J, π, multipolarity, mixing ratio, configurations, single-particle estimates of partial half-lives for decay branches of the 1787.3-keV level, proton-neutron multiplets. Comparison with detailed shell-model calculations, and with levels in 86Br.
doi: 10.1103/PhysRevC.92.014328
2015DE29 Pramana 85, 467 (2015) G.De France, A.Blanc, F.Drouet, M.Jentschel, U.Koster, P.Mutti, J.M.Regis, G.Simpson, T.Soldner, O.Stezowski, S.Leoni, W.Urban, A.Vancrayenest The EXILL campaign NUCLEAR REACTIONS 77Se, 194Pt, 209Bi(n, γ), E not given; measured reaction products, Eγ, Iγ; deduced γ-transition energies, B(E2) values.
doi: 10.1007/s12043-015-1065-x
2015JO01 Nucl.Phys. A934, 1 (2015) J.Jolie, J.-M.Regis, D.Wilmsen, N.Saed-Samii, M.Pfeiffer, N.Warr, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, G.De France, W.Urban, F.Drouet, A.Vancraeyenest, A.M.Bruce, O.J.Roberts, L.M.Fraile, V.Paziy, A.Ignatov, S.Kisyov, S.Lalkovski, Zs.Podolyak, P.H.Regan, E.Wilson, W.Korten, C.A.Ur, R.Lica, N.Marginean Test of the SO(6) selection rule in 196Pt using cold-neutron capture NUCLEAR REACTIONS 195Pt(n, γ), E=cold; measured Eγ, Iγ(t), γγ-coin using EXOGAM Ge detectors and fast LaBr3(Ce) scintillators. 196Pt deduced levels, J, π, 0+3 state B(E2), T1/2 limit, decay selection rules.
doi: 10.1016/j.nuclphysa.2014.11.008
2015KO05 Phys.Rev. C 91, 027303 (2015) A.Korgul, P.Baczyk, W.Urban, T.Rzaca-Urban, A.G.Smith, I.Ahmad Investigation of the i13/2 neutron orbital in the 132Sn region: New excited levels in 135Sb RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 detector array. 135Sb; deduced high-spin levels, J, π, multipolarity, configuration. 132Sn; deduced energy of the i13/2 neutron single-particle orbital. Comparison with shell-model calculations using OXBASH code. Systematics of 3- states in N=82 and 13/2+ states in N=83, Sn, Te, Xe, Ba, Ce, Nd and Sm nuclei.
doi: 10.1103/PhysRevC.91.027303
2015LE03 Acta Phys.Pol. B46, 637 (2015) S.Leoni, G.Bocchi, S.Bottoni, D.Bazzacco, N.Cieplicka, B.Fornal, B.Szpak, C.Michelagnoli, A.Blanc, G.De France, M.Jentschel, U.Koster, R.Lozeva, P.Mutti, T.Soldner, G.Simpson, C.Ur, W.Urban Particle-core Couplings Close to Neutron-rich Doubly-magic Nuclei NUCLEAR REACTIONS 235U, 241Pu(n, F)132Te/133Sb/130Sn/210Bi, E low; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, partial level scheme.
doi: 10.5506/APhysPolB.46.637
2015MA51 Phys.Rev. C 92, 034305 (2015) T.Materna, W.Urban, K.Sieja, U.Koster, H.Faust, M.Czerwinski, T.Rzaca-Urban, C.Bernards, C.Fransen, J.Jolie, J.-M.Regis, T.Thomas, N.Warr Low spin structure of 86Se: Confirmation of γ collectivity at N=52 RADIOACTIVITY 86As(β-)[from 235U(n, F), E=thermal followed by mass separation using Lohengrin separator at ILL-Grenoble]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin, γγ(θ). 86Se; deduced levels, J, π, γ collectivity. Comparison with systematics of neighboring nuclides, and with shell-model calculations. 94,96Y, 99Zr; observed γ rays. NUCLEAR STRUCTURE 86Se; calculated levels, J, π, B(M1), B(E2) using shell model. 84Ge, 86Se, 88Kr, 90Sr, 92Zr; calculated energies of second 2+ and 4+, and first 3+ states. Comparison with experimental values.
doi: 10.1103/PhysRevC.92.034305
2014KU01 Hyperfine Interactions 223, 175 (2014) J.Kurpeta, A.Jokinen, H.Penttila, A.Plochocki, J.Rissanen, W.Urban, J.Aysto Trap-assisted studies of odd, neutron-rich isotopes from Tc to Pd
doi: 10.1007/s10751-012-0616-5
2014KU28 Phys.Rev. C 90, 064315 (2014) J.Kurpeta, W.Urban, A.Plochocki, T.Rzaca-Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene, A.Jokinen, H.Penttila Neutron configurations in 113Pd RADIOACTIVITY 248Cm, 252Cf(SF); measured prompt Eγ, Iγ, γγ-coin using EOROGAM-II array at Jyvaskyla and Gammasphere array at ANL. 113Pd; deduced levels, J, π, bands configuration, staggering, alignments Comparison with band structures of 109Mo, 109,112,113Pd, 110,111Ru. Discussed possible oblate-shape of low-energy bandheads. 113Rh(β-)[from 238U(p, X), E=25 MeV using IGISOL at Jyvaskyla, followed by mass separation]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin. 113Pd; deduced levels, J, π, logft, configurations, B(GT) strengths and comparison with those from 113Ru to 113Rh decay.
doi: 10.1103/PhysRevC.90.064315
2014RE15 Phys.Rev. C 90, 067301 (2014) J.-M.Regis, J.Jolie, N.Saed-Samii, N.Warr, M.Pfeiffer, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.S.Simpson, F.Drouet, A.Vancraeyenest, G.de France, E.Clement, O.Stezowski, C.A.Ur, W.Urban, P.H.Regan, Zs.Podolyak, C.Larijani, C.Townsley, R.Carroll, E.Wilson, L.M.Fraile, H.Mach, V.Paziy, B.Olaizola, V.Vedia, A.M.Bruce, O.J.Roberts, J.F.Smith, T.Kroll, A.-L.Hartig, A.Ignatov, S.Ilieva, M.Thurauf, S.Lalkovski, D.Ivanova, S.Kisyov, W.Korten, M.-D.Salsac, M.Zielinska, N.Marginean, D.G.Ghita, R.Lica, C.M.Petrache, A.Astier, R.Leguillon B(E2;2+1 → 0+1) value in 90Kr NUCLEAR REACTIONS 235U(n, F), E=cold; measured prompt-fission Eγ, γγγ-coin, half-life of first 2+ state in 90Kr by fast timing technique using segmented array of Ge and Ce-doped LaBr3 detectors (EXILL and FATIMA) at ILL, Grenoble facility. 90Kr; deduced level, B(E2) of first 2+ state. Systematics of B(E2) values of first 2+ states in 86,88,90,92,94,96Kr. Comparison with IBM-2 calculations.
doi: 10.1103/PhysRevC.90.067301
2014RE16 Nucl.Instrum.Methods Phys.Res. A763, 210 (2014) J.-M.Regis, G.S.Simpson, A.Blanc, G.de France, M.Jentschel, U.Koster, P.Mutti, V.Paziy, N.Saed-Samii, T.Soldner, C.A.Ur, W.Urban, A.M.Bruce, F.Drouet, L.M.Fraile, S.Ilieva, J.Jolie, W.Korten, T.Kroll, S.Lalkovski, H.Mach, N.Marginean, G.Pascovici, Zs.Podolyak, P.H.Regan, O.J.Roberts, J.F.Smith, C.Townsley, A.Vancraeyenest, N.Warr Germanium-gated γ-γ fast timing of excited states in fission fragments using the EXILL and FATIMA spectrometer NUCLEAR REACTIONS 235U(n, F), E cold; 35Cl, 48Ti(n, γ), E thermal; measured reaction products, Eγ, Iγ. 100Zr; deduced energy levels, J, π, T1/2. Comparison with available data.
doi: 10.1016/j.nima.2014.06.004
2014SE17 Nucl.Data Sheets 119, 320 (2014) O.Serot, C.Amouroux, A.Bidaud, N.Capellan, S.Chabod, A.Ebran, H.Faust, G.Kessedjian, U.Koester, A.Letourneau, O.Litaize, F.Martin, T.Materna, L.Mathieu, S.Panebianco, J.-M.Regis, M.Rudigier, C.Sage, W.Urban Recent Results from Lohengrin on Fission Yields and Related Decay Properties NUCLEAR REACTIONS 239Pu(n, F), E=thermal; measured fission products; deduced fission yields.
doi: 10.1016/j.nds.2014.08.088
2013CZ02 Phys.Rev. C 88, 044314 (2013) M.Czerwinski, T.Rzaca-Urban, K.Sieja, H.Sliwinska, W.Urban, A.G.Smith, J.F.Smith, G.S.Simpson, I.Ahmad, J.P.Greene, T.Materna Yrast excitations in the neutron-rich N=52 isotones RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array at ANL. 88Kr; deduced levels, J, π, mixing ratio, multipolarity. 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array for 252Cf, and Eurogam2 array in a previous experiment for 248Cm. 86Se; deduced levels, J, π. 160Sm, 162Gd; observed γ rays from γγ-coin with complementary fission fragments. Comparison with shell-model calculations, and systematics of N=52 even-even nuclei. NUCLEAR STRUCTURE 82Zn, 84Ge, 86Se, 88Kr, 90Sr, 94Mo, 96Ru; calculated levels, J, π using shell model. Systematics of yrast states up to 8+ of even-even N=52 Ge, Se, Kr, Sr, Zr, Mo and Ru nuclei. 82Zn; predicted energies of first 2+ and 4+ states from systematics. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.044314
2013RZ01 Phys.Rev. C 87, 031305 (2013) T.Rzaca-Urban, W.Urban, A.G.Smith, I.Ahmad, A.Syntfeld-Kazuch Unexpected 5/2- spin of the ground state in 147Ba: No octupole deformation in ground states of odd-A Ba isotopes RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 array. 147Ba; deduced levels, J, π, bands, multipolarity, alignments. Discussed parity doublets and octupole bands.
doi: 10.1103/PhysRevC.87.031305
2013RZ02 Phys.Rev. C 88, 034302 (2013) T.Rzaca-Urban, M.Czerwinski, W.Urban, A.G.Smith, I.Ahmad, F.Nowacki, K.Sieja First observation of excited states in 87Se: Collectivity and j- 1 anomaly at N=53 RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin with γ rays from complementary fragments, γγ(θ) using Eurogam2 array; deduced mass correlations. 87Se; deduced levels, J, π, multipolarity, configuration, coexistence of collective and single-particle excitations. Comparison with shell model calculations, and with structure of N=53 neighbors. 86,88Se, 146,148Ce, 156,158,160Sm; observed γ rays. NUCLEAR STRUCTURE 85Ge, 87Se, 89Kr, 91Sr, 93Zr, 95Mo, 97Ru; calculated levels, J, π, yrast states of N=53 isotones, B(E2), B(M1); discussed j-1 anomaly. Large-scale shell model calculations.
doi: 10.1103/PhysRevC.88.034302
2013UR01 Phys.Rev. C 87, 031304 (2013) W.Urban, M.Jentschel, R.F.Casten, J.Jolie, Ch.Bernards, B.Maerkisch, Th.Materna, P.Mutti, L.Prochniak, T.Rzaca-Urban, G.S.Simpson, V.Werner, S.Ahmed 02+ band in 102Ru and the evolution of nuclear deformation in Ru isotopes NUCLEAR REACTIONS 101Ru(n, γ), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ(θ) using PF1B cold-neutron facility and GAMS5 spectrometer at Grenoble. 102Ru; deduced levels, J, π, bands, multipolarity, mixing ratio, interaction pattern between 0+ states. Systematics of 0+2 bands and other low-lying levels in Ru isotopes from N=50-66.
doi: 10.1103/PhysRevC.87.031304
2012KU06 Phys.Rev. C 85, 027302 (2012) J.Kurpeta, W.Urban, T.Materna, H.Faust, U.Koster, J.Rissanen, T.Rzaca-Urban, C.Mazzocchi, A.G.Smith, J.F.Smith, J.P.Greene, I.Ahmad Low-spin structure of 85Se and the βn branching of 85As RADIOACTIVITY 85As(β-)[from 235U(n, F)]; measured Eγ, Iγ, βγ-, γγ-coin. 85Se; deduced levels, J, π, configuration. 85As(β-n); discussed delayed neutron decay branch. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin for prompt γ rays. 85Se; deduced levels, J, π. Eurogam2 and Gammasphere arrays.
doi: 10.1103/PhysRevC.85.027302
2012KU28 Phys.Rev. C 86, 044306 (2012) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, J.A.Pinston, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, A.Saastamoinen, C.Weber, J.Aysto Low-spin excitations in the 109Tc nucleus RADIOACTIVITY 109Mo(β-)[from 238U(d, F), E=25 MeV]; measured Eγ, Iγ, βγ-coin, x rays, half-life, K-shell and total conversion coefficients using IGISOL + JYFLTRAP facilities at Jyvaskyla. 109Tc; deduced levels, J, π, Iβ, logft. 109Mo; deduced J, π of ground state. 109Mo, 109Tc(β-); deduced ground state β feedings. decay, and with quasiparticle-rotor model calculations.
doi: 10.1103/PhysRevC.86.044306
2012MA03 Acta Phys.Pol. B43, 247 (2012) T.Malkiewicz, G.S.Simpson, W.Urban, J.Genevey, J.A.Pinston, I.Ahmad, J.P.Greene, U.Koster, T.Materna, M.Ramdhane, T.Rzaca-Urban, A.G.Smith, G.Thiamova Recent Studies of Odd-A, Neutron-rich Pr Isotopes NUCLEAR REACTIONS 241Am(n, F)151Pr, E=thermal; measured reaction products, Eγ, Iγ; deduced level energies, J, π, E1 multipolarity transition. Comparison with QPRM calculations.
doi: 10.5506/APhysPolB.43.247
2012MA13 Phys.Rev. C 85, 044314 (2012) T.Malkiewicz, G.S.Simpson, W.Urban, J.Genevey, U.Koster, T.Materna, J.A.Pinston, M.Ramdhane, T.Rzaca-Urban, G.Thiamova, A.G.Smith, I.Ahmad, J.P.Greene Near-yrast structure of odd-A, neutron-rich Pr isotopes RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), using EUROGAM-II, and Gammasphere arrays. 151,153Pr; deduced high-spin levels, J, π, multipolarity, rotational bands, alignments, configurations, mass correlation plots. Comparison with reflection-symmetric quasi-particle-rotor model (QPRM) calculations. 93Rb, 99Y, 99,101Zr, 107Tc, 148Ce; measured Eγ, γγ-coin. NUCLEAR REACTIONS 241Am(n, F), E=thermal; measured Eγ, Iγ, ce, (fragment)γ-coin, delayed γ, ce, half-lives. 151Pr; deduced levels, J, π, conversion coefficients, multipolarities, bands, Nilsson configurations. Comparison with QRPM calculations. NUCLEAR STRUCTURE 151,153Pr; calculated levels, J, π, rotational bands. Quasi-particle-rotor model using computer codes GAMPN, ASYRMO, and PROBAMO.
doi: 10.1103/PhysRevC.85.044314
2012RI05 Phys.Rev. C 86, 034337 (2012) J.Rissanen, J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, A.Plochocki, A.Saastamoinen, W.Urban, C.Weber, J.Aysto Structure of 115Ag studied by β- decays of 115Pd and 115Pdm RADIOACTIVITY 115Pd, 115mPd(β-)[from 115Ru-115Rh-115Pd decay chain, 115Ru formed in U(p, X), E=25 MeV]; measured Eγ, Iγ, Eβ, βγ-, βγγ-coin using IGISOL and JYFLTRAP facilities in Jyvaskyla. 115Ag; deduced levels, J, π, multipolarity, Iβ, logft, Nilsson configuration, β strength distribution. Systematics of negative and positive parity Nilsson states in 109,111,113,115,117Ag. 115Pd; discussed spin and parity of ground state and isomer. Comparison with level scheme of 111Ag.
doi: 10.1103/PhysRevC.86.034337
2012RZ01 Phys.Rev. C 86, 044324 (2012) T.Rzaca-Urban, W.Urban, J.A.Pinston, G.S.Simpson, A.G.Smith, I.Ahmad Reflection symmetry of the near-yrast excitations in 145Ba RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 array. 145Ba; deduced high-spin levels, J, π, conversion coefficients, multipolarity, mixing ratios, bands, alignments. Systematics of yrast levels in N=89 isotones 143Xe, 145Ba, 147Ce, 149Nd and 151Sm. Comparison of level energies with quasiparticle-rotor model calculations. No evidence of octupole deformation in the ground state.
doi: 10.1103/PhysRevC.86.044324
2012SM02 Phys.Rev. C 86, 014321 (2012) A.G.Smith, J.L.Durell, W.R.Phillips, W.Urban, P.Sarriguren, I.Ahmad Lifetime measurements and nuclear deformation in the A ≈ 100 region RADIOACTIVITY 248Cm(SF); measured Eγ, γγ-coin, level half-lives by Doppler broadended line shape analysis using EUROGAM-2 array. 96,97,98,100Sr, 98,99,100,101,102,104Zr, 103Nb, 102,103,104,105,106,107,108Mo, 108,109,110,111,112Ru, 114,116Pd; deduced levels, J, π, transition quadrupole moments. Onset of deformation at N AP 60 in Sr and Zr isotopes. Comparison with several theoretical calculations in the context of prolate-oblate shape competition.
doi: 10.1103/PhysRevC.86.014321
2012UR01 Phys.Rev. C 85, 014329 (2012) W.Urban, K.Sieja, G.S.Simpson, T.Soldner, T.Rzaca-Urban, A.Zlomaniec, I.Tsekhanovich, J.A.Dare, A.G.Smith, J.L.Durell, J.F.Smith, R.Orlandi, A.Scherillo, I.Ahmad, J.P.Greene, J.Jolie, A.Linneman Isomeric levels in 92Rb and the structure of neutron-rich 92, 94Rb isotopes RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives by γ(t), delayed and prompt γ. 92,94Rb; deduced levels, J, π, isomers, multipolarity, configuration, B(E1). EUROGAM2 and the GAMMASPHERE arrays. Comparison with large-scale shell-model calculations. NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragment spectra, Eγ, mass spectra, γ(fission fragment)-coin. 92Rb; deduced level, isomer. NUCLEAR STRUCTURE 92,94Rb; calculated levels, J, π. Large scale shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.85.014329
2012UR04 Phys.Rev. C 86, 017301 (2012) W.Urban, T.Rzaca-Urban, A.Syntfeld-Kazuch, A.G.Smith, I.Ahmad Band structure of 149Ce RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin using EUROGAM2 array; deduced internal conversion coefficients, transition intensities of unobserved transitions. 149Ce; deduced levels, J, π, multipolarity, bands, configurations, B(E1)/B(E2), dipole moment D0, staggering in bands, alignments. No evidence found for parity doublets. Comparison with band structures and staggering in 153Sm, 155Gd.
doi: 10.1103/PhysRevC.86.017301
2011BE36 Phys.Rev. C 84, 047304 (2011) C.Bernards, W.Urban, M.Jentschel, B.Markisch, J.Jolie, C.Fransen, U.Koster, T.Materna, G.S.Simpson, T.Thomas γγ angular-correlation analysis of 200Hg after cold-neutron capture NUCLEAR REACTIONS 199Hg(n, γ), E=cold; measured Eγ, Iγ, γγ-coin, γγ(θ). 200Hg; deduced levels, J, π, multipolarities, mixing ratios.
doi: 10.1103/PhysRevC.84.047304
2011BO24 Phys.Rev. C 84, 044326 (2011) H.G.Borner, R.F.Casten, M.Jentschel, P.Mutti, W.Urban, N.V.Zamfir 102Ru: A pivotal nucleus in the A ∼ 100 region NUCLEAR REACTIONS Ru(n, γ)102Ru, E=thermal; measured Eγ, Doppler shift using Gamma-ray Induced Doppler broadening (GRID) technique using GAMS4 spectrometer. 102Ru; deduced levels, J, π, half-life, B(E2). GRID lifetime technique. Comparison with predictions of vibrational model. N=52-66, Z=38-50; systematics of first 2+ energies and ratio R(4/2) of first 4+ and first 2+ energies.
doi: 10.1103/PhysRevC.84.044326
2011FA11 J.Korean Phys.Soc. 59, 879s (2011) H.Faust, U.Koster, T.Materna, W.Urban Population Characteristics for Spin and Excitation Energy of Fragments in Thermal Neutron Induced Fission NUCLEAR REACTIONS 233U(n, f), E=thermal; calculated fission fragment kinetic energies, mean fragment spin of 136I. Simple statistical model.
doi: 10.3938/jkps.59.879
2011JE04 Phys.Rev. C 84, 052501 (2011) M.Jentschel, W.Urban, P.Mutti, P.Courtois, G.S.Simpson, R.Frahm Measurements of the pair production cross section close to the threshold energy NUCLEAR REACTIONS 155Gd(n, γ)156Gd, E=thermal; measured Eγ, Iγ, γ spectrum from pair production; deduced e+e- pair production cross sections by photons of Eγ=1040-1530 keV. Comparison with theoretical predictions of Bethe-Heitler model. Bragg diffraction technique using GAMS spectrometer to select γ rays above 1022 keV. Pair spectrometer for γ rays from pair production.
doi: 10.1103/PhysRevC.84.052501
2011KU16 Phys.Rev. C 84, 044304 (2011) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, J.A.Pinston, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, A.Saastamoinen, C.Weber, J.Aysto Signatures of oblate deformation in the 111Tc nucleus RADIOACTIVITY 111Mo(β-)[from 238U(d, F), E=25 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-life. 111Tc; deduced levels, J, π, conversion coefficients, multipolarities, Iβ, logft, Q value. 111Tc(β-) [from 111Tc decay]; measured Eγ, βγ-coin. IGISOL3 mass separator coupled to JYFLTRAP Penning trap. Comparison with particle-plus-rotor model calculations.
doi: 10.1103/PhysRevC.84.044304
2011RI01 Phys.Rev. C 83, 011301 (2011); Erratum Phys.Rev. C 83, 029901 (2011) J.Rissanen, J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, I.D.Moore, P.Karvonen, A.Plochocki, L.Prochniak, H.Penttila, S.Rahaman, M.Reponen, A.Saastamoinen, J.Szerypo, W.Urban, C.Weber, J.Aysto Decay study of 114Tc with a Penning trap RADIOACTIVITY 114Tc(β-)[from U(d, X), E=25 MeV]; measured Eγ, Iγ, γγ-coin, half-lives, mass difference by Penning-Trap (JYFLTRAP) assisted spectroscopy. IGISOL facility. 114Ru; deduced levels, isomers, J, π, configurations, Q value for β decay, logft. Comparison with microscopic Bohr-Hamiltonian calculations using Sly4 Skyrme interaction.
doi: 10.1103/PhysRevC.83.011301
2011RI07 Eur.Phys.J. A 47, 97 (2011); Erratum Eur.Phys.J. A 47, 116 (2011) J.Rissanen, J.Kurpeta, A.Plochocki, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, S.Rahaman, A.Saastamoinen, W.Urban, C.Weber, J.Aysto Penning-trap-assisted study of 115Ru beta decay RADIOACTIVITY 115Ru(β-)[from U(p, f), E=25 MeV, selected by JYFLTRAP]; measured Eγ, Iγ, Eβ, Iβ, X-rays, βγ-coin. 115Rh deduced levels, J, π, level log ft, level β-feeding, ICC(K) for 80.1 keV transition, rotational constants for the K=1/2 intruder band. 115Ru deduced ground state J, π, β-strength distribution. Penning-trap-assisted β and γ spectroscopy, IGISOL facility. Comparison with near-by isotopes of Ru and Rh.
doi: 10.1140/epja/i2011-11097-0
2011RZ01 Phys.Rev. C 83, 067301 (2011) T.Rzaca-Urban, W.Urban, J.A.Pinston, A.G.Smith, I.Ahmad Near-yrast, medium-spin structure of 143Xe RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), using EUROGAM-2 array. 143Xe; deduced levels, J, π, conversion coefficients, multipolarity, bands, configurations. Comparison with quasiparticle-rotor model calculations with a reflection-symmetric potential. Systematics of bandheads of N=89 nuclei.
doi: 10.1103/PhysRevC.83.067301
2010JE02 Phys.Rev.Lett. 104, 222502 (2010) M.Jentschel, W.Urban, J.Krempel, D.Tonev, J.Dudek, D.Curien, B.Lauss, G.de Angelis, P.Petkov Ultrahigh-Resolution γ-Ray Spectroscopy of 156Gd: A Test of Tetrahedral Symmetry NUCLEAR REACTIONS 155Gd(n, γ), E not given; measured Eγ, Iγ; 156Gd; deduced energy levels, J, π, transition lifetime, B(E2), B(E1), quadrupole moments, odd-spin negative parity band. GAMS4/5 Bragg spectrometers.
doi: 10.1103/PhysRevLett.104.222502
2010KU01 Acta Phys.Pol. B41, 469 (2010) J.Kurpeta, J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, A.Plochocki, S.Rahaman, S.Rinta-Antila, J.Ronkainen, A.Saastamoinen, T.Sonoda, J.Szerypo, W.Urban, Ch.Weber, J.Aysto Progress in Trap Assisted β Decay Spectroscopy of 115Ru RADIOACTIVITY 115Ru(β-) [from 238U(p, F)115Ru, E=25 MeV]; measured Eγ, Iγ, γγ-coin.; deduced energy levels, gamma transitions, T1/2. JYFLTRAP Penning trap system.
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2010KU19 Phys.Rev. C 82, 027306 (2010) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, S.Rahaman, A.Saastamoinen, T.Sonoda, J.Szerypo, C.Weber, J.Aysto Excited states in 115Pd populated in the β- decay of 115Rh RADIOACTIVITY 115Rh(β-); measured Eγ, Iγ, γγ-coin. 115Pd; deduced levels, J, π. Systematics of low-lying states in odd-A Mo, Ru and Pd nuclei from N=61-71.
doi: 10.1103/PhysRevC.82.027306
2010KU25 Phys.Rev. C 82, 064318 (2010) J.Kurpeta, J.Rissanen, A.Plochocki, W.Urban, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, T.Malkiewicz, I.D.Moore, H.Penttila, A.Saastamoinen, G.S.Simpson, C.Weber, J.Aysto New isomer and decay half-life of 115Ru RADIOACTIVITY 115Ru(IT), (β-)[From 238U(p, X), E=25 MeV]; measured Eγ, Iγ, βγ-, γγ-coin, isomer and ground state half-lives, JYFLTRAP assisted β-γ spectroscopy. 115Ru, 115Rh; deduced levels, J, π, conversion coefficients, multipolarity. systematics of low-lying levels and isomers in 113,115,117Pd, 113,115Ru.
doi: 10.1103/PhysRevC.82.064318
2010RZ01 Phys.Rev. C 82, 017301 (2010) T.Rzaca-Urban, W.Urban, J.A.Pinston, G.S.Simpson, J.L.Durell, A.G.Smith, I.Ahmad Medium-spin structure of 145Cs RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 array. 145Cs; deduced levels, J, π, multipolarities, bands, configurations, electric dipole moment D0. 101,102Nb; measured Eγ. Comparison with quasiparticle-rotor model calculations. Z=54-64, N=84-92; systematics of D0 parameter for even nuclei of even neutron number.
doi: 10.1103/PhysRevC.82.017301
2010RZ02 Phys.Rev. C 82, 067304 (2010) T.Rzaca-Urban, W.Urban, J.A.Pinston, G.S.Simpson, A.G.Smith, J.F.Smith, I.Ahmad Near-yrast structure of 149Pr RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, conversion coefficients, and half-life of isomer using EUROGAM2 and Gammasphere arrays. 149Pr; deduced levels, J, π, band, multipolarity, B(E1), electric dipole moment, configuration. Comparison with quasiparticle-rotor model calculations. 98,99,100,101Y; measured Eγ, γγ-coin.
doi: 10.1103/PhysRevC.82.067304
2010SI03 Phys.Rev. C 81, 024313 (2010) G.S.Simpson, W.Urban, J.A.Pinston, J.C.Angelique, I.Deloncle, H.R.Faust, J.Genevey, U.Koster, T.Materna, R.Orlandi, A.Scherillo, A.G.Smith, J.F.Smith, T.Rzaca-Urban, I.Ahmad, J.P.Greene Near-yrast structure of N=93 neutron-rich lanthanide nuclei NUCLEAR REACTIONS 239Pu(n, F), 241Am(n, F), E=thermal; measured Eγ, Iγ, ce, γγ-, (x ray)γ-, (ce)γ-, (fragment)γ-coin, delayed γ, and half-lives. 153Nd, 155Sm; deduced levels, J, π, conversion coefficients, multipolarities, bands, Nilsson configurations. Comparison with quasiparticle-rotor-model (QPRM) calculations. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, and half-lives using Gammasphere and Eurogam-II arrays. 151Ce, 153Nd; deduced levels, J, π, bands, and configurations. Comparison with quasiparticle-rotor-model (QPRM) calculations. 151Ce, 153Nd, 155Sm, 157Gd, 159Dy; systematics of bandheads.
doi: 10.1103/PhysRevC.81.024313
2010SI17 Phys.Rev. C 82, 024302 (2010) G.S.Simpson, W.Urban, K.Sieja, J.A.Dare, J.Jolie, A.Linneman, R.Orlandi, A.Scherillo, A.G.Smith, T.Soldner, I.Tsekhanovich, B.J.Varley, A.Zlomaniec, J.L.Durell, J.F.Smith, T.Rzaca-Urban, H.Faust, I.Ahmad, J.P.Greene Near-yrast, medium-spin, excited states of 91Rb, 93Rb, and 95Rb NUCLEAR REACTIONS 235U(n, F)93Rb/95Rb; measured Eγ, Iγ, γγ-, (fragment)γ-coin, and half-lives using FIFI fragment identification system and Ge detector array. 93,95Rb; deduced levels, J, π, isomers, transition probabilities, and configurations. Comparison with shell-model calculations. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), and half-lives using EUROGAM-II and Gammasphere arrays. 91,93,95Rb; deduced levels, J, π, isomers, transition probabilities, and configurations. Comparison with shell-model calculations. Systematics of low-lying levels in 89,91,93,95Rb. 93Rb, 95Y; comparison of experimental and calculated spectra.
doi: 10.1103/PhysRevC.82.024302
2010UR03 Phys.Rev. C 82, 064308 (2010) W.Urban, J.A.Pinston, T.Rzaca-Urban, J.Kurpeta, A.G.Smith, I.Ahmad Near-yrast, medium-spin structure of the 109Tc nucleus RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 array. 109Tc; deduced levels, J, π, conversion coefficients, multipolarities, rotational bands. 110Tc, 135,136,137I; measured Eγ. Comparison with level systematics of 103,105,107,109,111Tc. Comparison with quasiparticle-rotor model (QPRM) calculations. Evidence for triaxial nature of 109Tc. NUCLEAR STRUCTURE 107,109Tc; calculated levels, J, π, rotational bands, and γ-ray branching ratios using quasiparticle-rotor model (QPRM).
doi: 10.1103/PhysRevC.82.064308
2009RZ01 Phys.Rev. C 79, 024319 (2009) T.Rzaca-Urban, K.Sieja, W.Urban, F.Nowacki, J.L.Durell, A.G.Smith, I.Ahmad (h11/2, g7/2)9- neutron excitation in 92, 94, 96Sr RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γ(θ), γ(lin pol). 92,94,96Sr; deduced levels, J, π, multipolarity, bands, configurations. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.79.024319
2009RZ02 Phys.Rev. C 80, 064317 (2009) T.Rzaca-Urban, J.Genevey, T.Materna, W.Urban, A.G.Smith, J.A.Pinston, G.S.Simpson, M.P.Sadowski, U.Koster, H.Faust, A.Bail, L.Mathieu, O.Serot, F.Michel-Sendis, I.Ahmad Near-yrast structure of 142Cs and 144Cs RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), γ(t), and isomer half-lives using EUROGAM2 array. 142,144Cs; deduced levels, J, π, bands, isomers and configurations. Comparison with quasiparticle rotor model (QPRM) calculations. NUCLEAR REACTIONS 235U, 242Am(n, F)137Te/142Cs/144Cs, E=thermal; measured ionic charge distribution of fragments, Eγ, Iγ, ce, γ(ce)-, delayed γ(fragments)-, delayed (ce)(fragments)-coin using LOHENGRIN fragment separator. 142,144Cs; deduced levels and isomer half-lives.
doi: 10.1103/PhysRevC.80.064317
2009SI21 Phys.Rev. C 80, 024304 (2009) G.S.Simpson, W.Urban, J.Genevey, R.Orlandi, J.A.Pinston, A.Scherillo, A.G.Smith, J.F.Smith, I.Ahmad, J.P.Greene Two-quasiparticle isomers and bands of 154, 156Nd and 156, 158, 160Sm NUCLEAR REACTIONS 239Pu(n, X)154Nd, E=thermal; measured Eγ, Iγ, γγ-coin, half-lives. 154Nd; deduced levels, J, π, isomer, bands and configurations. Comparison with QPRM calculations. RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin, half-lives. 156Nd, 156,158,160Sm; deduced levels, J, π, isomers, bands and configurations. Comparison with QPRM calculations.
doi: 10.1103/PhysRevC.80.024304
2009UR01 Phys.Rev. C 79, 037304 (2009) W.Urban, A.Zlomaniec, G.S.Simpson, H.Faust, T.Rzaca-Urban, M.Jentschel New information on medium-spin structure of 133Sb NUCLEAR REACTIONS 235U(n, X)133Sb, E=thermal; measured Eγ, Iγ, γγ-coin, γ(t), half-lives. 133Sb; deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.79.037304
2009UR02 Phys.Rev. C 79, 044304 (2009) W.Urban, K.Sieja, G.S.Simpson, H.Faust, T.Rzaca-Urban, A.Zlomaniec, M.Lukasiewicz, A.G.Smith, J.L.Durell, J.F.Smith, B.J.Varley, F.Nowacki, I.Ahmad New isomers and medium-spin structure of the 95Y nucleus RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), half-lives. 95Y; deduced levels, J, π, isomers, configurations. Comparisons with shell-model calculations. NUCLEAR REACTIONS 238U(n, F), E=thermal; measured Eγ, Iγ, γγ-coin, half-lives. 95Y; deduced levels, J, π, isomers.
doi: 10.1103/PhysRevC.79.044304
2009UR03 Phys.Rev. C 79, 067301 (2009) W.Urban, J.A.Pinston, T.Rzaca-Urban, E.Wolska, J.Genevey, G.S.Simpson, A.G.Smith, J.L.Durell, B.Varley, I.Ahmad Mapping neutron levels in the A ∼ 100 region: The ν3/2+ [411] band in 103Zr RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin. 103Zr; deduced levels, J, π, bands. 100,102,104Zr, 142,143,144Ba; measured Eγ. 100,101,102,103,104Zr; deduced mass correlations in fission of 248Cm. 99,101,103Zr; systematics of neutron configurations. Comparison of 103Zr levels with quasiparticle plus rotor model calculations.
doi: 10.1103/PhysRevC.79.067301
2009UR04 Phys.Rev. C 80, 037301 (2009) W.Urban, J.A.Pinston, G.S.Simpson, A.G.Smith, J.F.Smith, T.Rzaca-Urban, I.Ahmad The 11/2-[505] neutron extruder orbital in 159Sm RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, γγ-coin using Gammasphere array. 159Sm; deduced levels, J, π and half-lives. Systematics of 11/2[505] band in N=87-97 Sm, Gd and Dy nuclei. Comparison with quasiparticle rotor model calculations.
doi: 10.1103/PhysRevC.80.037301
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