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NSR database version of May 20, 2024.

Search: Author = C.Bernards

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2021SE17      Phys.Rev. C 104, 024317 (2021)

S.Sekal, L.M.Fraile, R.Lica, M.J.G.Borge, W.B.Walters, A.Aprahamian, C.Benchouk, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.G.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, H.Mach, N.Marginean, R.Marginean, Z.Meliani, B.Olaizola, V.Paziy, J.M.Regis, M.Rudigier, T.Sava, G.S.Simpson, M.Stanoiu, L.Stroe

Low-spin states in 80Ge populated in the β decay of the 80Ga 3- isomer

RADIOACTIVITY 80mGa(β-)[from decay of 80Zn produced in U(n, F), E=fast neutrons at the ISOLDE-CERN facility, followed by separation of fission fragments passed using the ISOLDE Resonance Ionization Laser Ion Source (RILIS) and high-resolution magnetic separator]; measured Eγ, Iγ, βγ- and γγ-coin using two HPGe detectors for γ rays and an NE111A organic plastic scintillator for β detection. 80Ge; deduced levels, J, π, β feedings, logft. Comparison with previous experimental results, and with shell-model and IBM calculations.

NUCLEAR STRUCTURE 70,72,74,76,78,80,82Ge, 82Se, 84Kr, 86Sr, 88Zr, 90Mo; calculated energies of second 0+ states by shell-model using Antoine code with JUN45 interaction, and NUSHELLX@MSU code with jj44bpn interaction, and IBM-1, IBM-2 models, and comparison with experimental values; Systematics of low-lying positive-parity levels up to 8+.

doi: 10.1103/PhysRevC.104.024317
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2020BE22      Phys.Rev.Lett. 125, 092501 (2020)

T.Beck, V.Werner, N.Pietralla, M.Bhike, N.Cooper, U.Friman-Gayer, J.Isaak, R.V.Jolos, J.Kleemann, Krishichayan, O.Papst, W.Tornow, C.Bernards, B.P.Crider, R.S.Ilieva, B.Loher, C.Mihai, F.Naqvi, S.Pascu, E.E.Peters, F.M.Prados-Estevez, T.J.Ross, D.Savran, J.R.Vanhoy, A.Zilges

ΔK = 0 m1 Excitation Strength of the Well-Deformed Nucleus 164Dy from K Mixing

NUCLEAR REACTIONS 164Dy(γ, γ'), E=3-3.2 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, B(M1), reduced relative decay-intensity ratios, excitation strengths.

doi: 10.1103/PhysRevLett.125.092501
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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
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2020PA26      Phys.Rev. C 102, 014329 (2020)

V.Paziy, L.M.Fraile, H.Mach, B.Olaizola, G.S.Simpson, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Lica, N.Marginean, R.Marginean, J.-M.Regis, M.Rudigier, T.Sava, M.Stanoiu, L.Stroe, W.B.Walters

Fast-timing study of 81Ga from the β decay of 81Zn

RADIOACTIVITY 81Zn(β-), (β-n)[from U(p, F), E=1.4 GeV at CERN PS-Booster (PSB) facility, followed by separation of ionized nuclei using the ISOLDE-RILIS]; measured Eγ, Iγ, b-, βγ- and γγ-coin, half-life of 81Zn decay, level half-lives by βγγ(t) fast-timing technique, β-delayed neutron branching ratio or Pn using HPGe and LaBr3 detectors for γ detection and a plastic scintillator for β detection at CERN-ISOLDE. 80,81Ga(β-); measured half-lives of 80Ga and 81Ga decays. 80,81Ga; deduced levels, J, π, Iβ, logft, B(M1), and B(E2). Comparison with large-scale shell model calculations using the NuShellX@MSU and ANTOINE codes with JUN45 and jj44b interactions. Systematics of low-lying levels in 71,73,75,77,79,81Ga, 79Cu, 83As, 85Br, 87Rb. 81Zn; discussed spin, parity and configuration of the ground state.

doi: 10.1103/PhysRevC.102.014329
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2020PA32      Phys.Rev. C 102, 034323 (2020)

O.Papst, V.Werner, J.Isaak, N.Pietralla, T.Beck, C.Bernards, M.Bhike, N.Cooper, B.P.Crider, U.Friman-Gayer, J.Kleemann, Krishichayan, B.Loher, F.Naqvi, E.E.Peters, F.M.Prados-Estevez, R.S.Ilieva, T.J.Ross, D.Savran, W.Tornow, J.R.Vanhoy

Photo response of 164Dy

NUCLEAR REACTIONS 164Dy(polarized γ, γ'), E=4.0-7.7 MeV; measured Eγ, Iγ, γ(polarization azimuthal asymmetry) using four HPGe detectors at the HIγS facility of TUNL. 164Dy; deduced levels, J, π, energy-integrated cross sections, widths, B(E1), B(M1), γ-branching ratios to the ground state and the first 2+ state, mean population ratios of the first and second 2+ states, and first 3+ state, photon strength function (PSF) and nuclear level density (NLD). Comparison with statistical model calculations.

doi: 10.1103/PhysRevC.102.034323
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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
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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
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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
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2017VE05      Phys.Rev. C 96, 034311 (2017)

V.Vedia, V.Paziy, L.M.Fraile, H.Mach, W.B.Walters, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, D.Ghita, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Lica, N.Marginean, R.Marginean, B.Olaizola, J.-M.Regis, M.Rudigier, T.Sava, G.S.Simpson, M.Stanoiu, L.Stroe

Search for the 73Ga ground-state doublet splitting in the β decay of 73Zn

RADIOACTIVITY 73Zn(β-)[from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, βγ- and γγ-coin, half-life of 73Zn from γ-decay curves, level half-lives by fast-timing βγγ(t) technique using Resonance Ionization Laser Ion Source (RILIS) and magnetic high-resolution mass separator (HRS) at ISOLDE-CERN. 73Ga; deduced levels, ground state doublet, J, π, β feedings, logft, B(M1), B(E2). 73Zn(IT); measured Eγ, half-life of the isomer; deduced no evidence for a 42-keV transition from the isomer. Comparison with previous measurements, and with shell-model calculations. Systematics of level structure in 71,73,75Ga.

doi: 10.1103/PhysRevC.96.034311
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2016GR17      Eur.Phys.J. A 52, 340 (2016)

T.Grahn, J.Pakarinen, L.Jokiniemi, M.Albers, K.Auranen, C.Bauer, C.Bernards, A.Blazhev, P.A.Butler, S.Bonig, A.Damyanova, T.De Coster, H.De Witte, J.Elseviers, L.P.Gaffney, M.Huyse, A.Herzan, U.Jakobsson, R.Julin, N.Kesteloot, J.Konki, Th.Kroll, L.Lewandowski, K.Moschner, P.Peura, M.Pfeiffer, D.Radeck, P.Rahkila, E.Rapisarda, P.Reiter, K.Reynders, M.Rudiger, M.-D.Salsac, S.Sambi, M.Scheck, M.Seidlitz, B.Siebeck, T.Steinbach, S.Stolze, J.Suhonen, P.Thoele, M.Thurauf, N.Warr, P.Van Duppen, M.Venhart, M.J.Vermeulen, V.Werner, M.Veselsky, A.Vogt, K.Wrzosek-Lipska, M.Zielinska

Collective 2+1 excitations in 206Po and 208, 210Rn

NUCLEAR REACTIONS 104Pd, 114Cd(206Po, x), E=2.85 MeV/nucleon;104Pd, 114Cd(208Rn, x), (210Rn, x), E=2.82 MeV/nucleon; measured Coulomb excitation Eγ, Iγ, γγ-coin using MINIBALL γ spectrometer, scattered projectiles and target recoils using annular double-sided Si strip detectors (CD), time difference between MINIBALL γ's and CD data; deduced γ ray energy spectra, diagonal vs transitional matrix element, B(E2); calculated B(E2) using QRPA.

doi: 10.1140/epja/i2016-16340-6
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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
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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
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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
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2014LI32      Phys.Rev. C 90, 014320 (2014)

R.Lica, N.Marginean, D.G.Ghita, H.Mach, L.M.Fraile, G.S.Simpson, A.Aprahamian, C.Bernards, J.A.Briz, B.Bucher, C.J.Chiara, Z.Dlouhy, I.Gheorghe, P.Hoff, J.Jolie, U.Koster, W.Kurcewicz, R.Marginean, B.Olaizola, V.Paziy, J.M.Regis, M.Rudigier, T.Sava, M.Stanoiu, L.Stroe, W.B.Walters

Low-lying isomeric states in 80Ga from the β- decay of 80Zn

RADIOACTIVITY 80Zn(β-)[from U(p, X), E=1.4 GeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-life of 708-keV level in 80Zn by βγγ(t) at ISOLDE-CERN facility. 80Ga; deduced levels, ordering of the ground state and long-lived isomer, J, π, conversion coefficient, multipolarities, β feedings, logft, reduced transition probabilities. Comparison with shell model calculations using jj44bpn and JUN45 interactions.

doi: 10.1103/PhysRevC.90.014320
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2014NA15      Phys.Lett. B 728, 303 (2014)

F.Naqvi, V.Werner, P.Petkov, T.Ahn, N.Cooper, G.Ilie, D.Radeck, C.Bernards, M.P.Carpenter, C.J.Chiara, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, D.Seweryniak, Ch.Stoyanov, S.Zhu

Test of the π g7/2 subshell closure at Z = 58

NUCLEAR REACTIONS 24Mg(138Ce, 138Ce'), E=480 MeV; 24Mg(142Ce, 142Ce'), E=494 MeV; measured reaction products, Eγ, Iγ, particle-γ coin. 138,142Ce; deduced g-factors, B(E2) values. Yale plunger device and Gammasphere array.

doi: 10.1016/j.physletb.2013.11.057
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2014TH02      Nucl.Phys. A922, 200 (2014)

T.Thomas, C.Bernards, J.-M.Regis, M.Albers, C.Fransen, J.Jolie, S.Heinze, D.Radeck, N.Warr, K.-O.Zell

The structure of 193Au within the Interacting Boson Fermion Model

NUCLEAR REACTIONS 194Pt(p, 2n), E=14 MeV. 193Au measured Eγ, Iγ(θ) , γγ-coin; deduced γ transitions, levels, J, π, δ, branching ratios, B(M1), B(E2); calculated levels, J, π, B(E2) using IBFM. 193Au deduced Bose-Fermi symmetry, IBFM parameters.

doi: 10.1016/j.nuclphysa.2013.12.004
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2014TH07      Nucl.Phys. A925, 96 (2014)

T.Thomas, J.-M.Regis, J.Jolie, S.Heinze, M.Albers, C.Bernards, C.Fransen, D.Radeck

Bose-Fermi symmetry in the odd-even gold isotopes

NUCLEAR REACTIONS 196Pt(p, xnγ), E=14 MeV; measured Eγ, Iγ(θ), γγ-coin using HORUS spectrometer equipped with HPGe. 195Au; deduced levels, J, π, γ transitions. 185,187,189,191,193,195,197,199Au calculated low-lying levels, J, π, γ transitions using IBFM within Spin(6) Bose-Fermi symmetry. Compared with data and Nuclear Data Sheets.

doi: 10.1016/j.nuclphysa.2014.02.002
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2013AL05      Nucl.Phys. A899, 1 (2013); Erratum Nucl.Phys. A947, 260 (2016)

M.Albers, K.Nomura, N.Warr, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, M.Scheck, M.Seidlitz, B.Siebeck, G.S.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Shape dynamics in neutron-rich Kr isotopes: Coulomb excitation of 92Kr, 94Kr and 96Kr

NUCLEAR REACTIONS 194,196Pt(92Kr, 92Kr'), (94Kr, 94Kr'), (96Kr, 96Kr'), E=2.85 MeV/nucleon; measured projectile and target E, I(θ, t) using DSSD, Eγ, Iγ(θ) from Coulomb excitation using HPGe array and considering Doppler correction, (particle)γ-coin; calculated electromagnetic matrix elements, γ-ray yields using CC code GOSIA2, energy vs deformation using IBM-2 with self-consistent constrained HFB with Gogny functional; deduced Coulomb excitation σ, electromagnetic matrix elements using fit to data, B(E2), quadrupole moments, IBM-2 Hamiltonian parameters. 96Kr calculated levels, J, π; deduced shape coexistence.

doi: 10.1016/j.nuclphysa.2013.01.013
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2013BE04      Phys.Rev. C 87, 024318 (2013)

C.Bernards, R.F.Casten, V.Werner, P.von Brentano, D.Bucurescu, G.Graw, S.Heinze, R.Hertenberger, J.Jolie, S.Lalkovski, D.A.Meyer, D.Mucher, P.Pejovic, C.Scholl, H.-F.Wirth

Investigation of 0+ states in 198Hg after two-neutron pickup

NUCLEAR REACTIONS 200Hg(p, t), E=25 MeV; measured E(t), I(t), σ(θ). 198Hg; deduced levels, J, π, L-transfer.

NUCLEAR STRUCTURE 152,154,158Gd, 162Dy, 168Er, 170Yb, 176Hf, 180,184W, 192,194Pt, 198Hg; calculated densities of 0+ states using interacting boson model. Excited 0+ states interpreted as signature of shape-phase transitions. Comparison with experimental data.

doi: 10.1103/PhysRevC.87.024318
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2013BE21      Phys.Rev. C 87, 064321 (2013)

C.Bernards, R.F.Casten, V.Werner, P.von Brentano, D.Bucurescu, G.Graw, S.Heinze, R.Hertenberger, J.Jolie, S.Lalkovski, D.A.Meyer, D.Mucher, P.Pejovic, C.Scholl, H.-F.Wirth

High-resolution study of excited 0+ states in 200Hg and 202Hg

NUCLEAR REACTIONS 202,204Hg(p, t), E=25 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at MLL, Munich accelerator facility. Enriched targets. 200,202Hg; deduced levels, L=0 states, J, π. 198,200,202Hg; systematics of 0+ level density, and Comparison with interacting boson model. 200Hg anomaly. Discussed mixing, coexistence and shape-phase transitions.

doi: 10.1103/PhysRevC.87.064321
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2013DU02      Nucl.Phys. A903, 18 (2013)

H.Duckwitz, M.Pfeiffer, M.Albers, C.Bernards, C.Fransen, J.Jolie, P.Petkov, D.Radeck, T.Thomas, K.O.Zell

Study of vibrational signatures in 102Ru

NUCLEAR REACTIONS 100Mo(α, 2n), E=16 MeV; measured Eγ, Iγ(θ), γγ-coin using HORUS spectrometer. 102Ru deduced levels, J, π, γ-branching ratio, , mixing ratio, T1/2, B(M1), B(E2), partial γ-decay scheme using using DSAM (Doppler shift attenuation method); calculated levels, J, π, γ-branching ratio, B(E2) using IBM with U(5), O(6), U(5)-O(6). Compared also with systematics.

doi: 10.1016/j.nuclphysa.2012.11.013
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2013GO19      Phys.Rev. C 88, 064308 (2013)

P.M.Goddard, N.Cooper, V.Werner, G.Rusev, P.D.Stevenson, A.Rios, C.Bernards, A.Chakraborty, B.P.Crider, J.Glorius, R.S.Ilieva, J.H.Kelley, E.Kwan, E.E.Peters, N.Pietralla, R.Raut, C.Romig, D.Savran, L.Schnorrenberger, M.K.Smith, K.Sonnabend, A.P.Tonchev, W.Tornow, S.W.Yates

Dipole response of 76Se above 4 MeV

NUCLEAR REACTIONS 76Se(polarized γ, γ'), E=4-9 MeV; measured Eγ, Iγ, γ(θ), integrated σ, γ(linear polarization) at HIγS facility at TUNL. 76Se; deduced levels, J, π, Γ, level half-lives, B(E1), B(M1), branching ratios. Comparison with theoretical calculations.

doi: 10.1103/PhysRevC.88.064308
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2013GU23      Phys.Rev. C 88, 014301 (2013)

G.Gurdal, E.A.Stefanova, P.Boutachkov, D.A.Torres, G.J.Kumbartzki, N.Benczer-Koller, Y.Y.Sharon, L.Zamick, S.J.Q.Robinson, T.Ahn, V.Anagnostatou, C.Bernards, M.Elvers, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, E.Williams

Measurements of g(41+, 22+)in 70, 72, 74, 76Ge: Systematics of low-lying structures in 30 ≤ Z ≤ 40 and 30 ≤ N ≤ 50 nuclei

NUCLEAR REACTIONS C, Mg(70Ge, 70Ge'), (72Ge, 72Ge'), (74Ge, 74Ge'), (76Ge, 76Ge'), E=165-225 MeV; measured Eγ, precession angles, angular correlations; deduced g factors. Natural C or Mg targets with mid layer of Gd or Fe and backing of Ta and Cu.

NUCLEAR MOMENTS 70,72,74,76Ge; measured g factors of first and second 2+ and first 4+ states using transient field (TF) technique following Coulomb excitation in inverse kinematics at WNSL-Yale facility. Systematics of g factors for neighboring nuclides of even-even N=32-50, Z=30-38. Comparison with large-scale shell-model, collective models, and IBA-II, and with previous experimental studies. No evidence for shell closure for neutrons at N=38 or N=40.

doi: 10.1103/PhysRevC.88.014301
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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
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2012AL03      Phys.Rev.Lett. 108, 062701 (2012); Erratum Phys.Rev.Lett. 109, 209904 (2012)

M.Albers, N.Warr, K.Nomura, A.Blazhev, J.Jolie, D.Mucher, B.Bastin, C.Bauer, C.Bernards, L.Bettermann, V.Bildstein, J.Butterworth, M.Cappellazzo, J.Cederkall, D.Cline, I.Darby, S.Das Gupta, J.M.Daugas, T.Davinson, H.De Witte, J.Diriken, D.Filipescu, E.Fiori, C.Fransen, L.P.Gaffney, G.Georgiev, R.Gernhauser, M.Hackstein, S.Heinze, H.Hess, M.Huyse, D.Jenkins, J.Konki, M.Kowalczyk, T.Kroll, R.Krucken, J.Litzinger, R.Lutter, N.Marginean, C.Mihai, K.Moschner, P.Napiorkowski, B.S.Nara Singh, K.Nowak, T.Otsuka, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, S.Rigby, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier, P.Sarriguren, M.Scheck, M.Seidlitz, B.Siebeck, G.Simpson, P.Thole, T.Thomas, J.Van de Walle, P.Van Duppen, M.Vermeulen, D.Voulot, R.Wadsworth, F.Wenander, K.Wimmer, K.O.Zell, M.Zielinska

Evidence for a Smooth Onset of Deformation in the Neutron-Rich Kr Isotopes

NUCLEAR REACTIONS 194,196Pt(94Kr, 94Kr'), (96Kr, 96Kr'), 285 MeV/nucleon; measured reaction products, Eγ, Iγ. 94,96Kr; deduced J, π, B(E2), spectroscopic quadrupole moments. Comparison with IBM calculations based on the constrained HFB approach using the microscopic Gogny-D1M energy density functional.

doi: 10.1103/PhysRevLett.108.062701
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2012JO06      J.Phys.:Conf.Ser. 366, 012023 (2012)

J.Jolie, C.Bernards, S.Heinze, J.M.Regis, T.Thomas

Recent advances in the application of dynamical supersymmetry to describe atomic nuclei

doi: 10.1088/1742-6596/366/1/012023
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2012KU14      Phys.Rev. C 85, 044322 (2012)

G.J.Kumbartzki, K.-H.Speidel, N.Benczer-Koller, D.A.Torres, Y.Y.Sharon, L.Zamick, S.J.Q.Robinson, P.Maier-Komor, T.Ahn, V.Anagnostatou, Ch.Bernards, M.Elvers, P.Goddard, A.Heinz, G.Ilie, D.Radeck, D.Savran, V.Werner, E.Williams

Structure of the Sr-Zr isotopes near and at the magic N=50 shell from g-factor and lifetime measurements in 8840Zr and 84, 86, 3888Sr

NUCLEAR REACTIONS 12C(84Sr, X)84Sr/86Sr/88Sr/88Zr, E=243-285 MeV; measured Eγ, Iγ, (12C)γ-, αγ-, γγ-coin, level half-lives by DSA, g factors. 84,86,88Sr, 88Zr; deduced levels, J, π, B(E2). Systematics of B(E2) values for first 2+ states in even-even N=40-62 Sr and Zr nuclei.

NUCLEAR MOMENTS 88Zr, 84,86,88Sr; measured g factors of 2+ and first 4+ states using transient field technique in inverse kinematics. Comparison with previous studies and with shell model calculations. Systematics of g factors of first 2+ states in even-even N=42-62 Sr and Zr nuclei.

doi: 10.1103/PhysRevC.85.044322
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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
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2010AL28      Nucl.Phys. A847, 180 (2010)

M.Albers, D.Mucher, C.Bernards, A.Blazhev, C.Fransen, S.Heinze, J.Jolie, A.Lisetskiy, P.Petkov, D.Radeck, K.O.Zell

Multiphonon excitations in 62Zn

NUCLEAR REACTIONS 61Ni(3He, 2nγ), E=14 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using the HORUS spectrometer. 62Zn; deduced levels, J, π, multipolarities, T1/2, B(M1), B(E2). DSA method. Comparison with shell-model, IBM calculations and systematics.

doi: 10.1016/j.nuclphysa.2010.07.011
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2010BE05      Phys.Rev. C 81, 024312 (2010)

C.Bernards, S.Heinze, J.Jolie, M.Albers, C.Fransen, D.Radeck

196Hg and the "magical quartet" of the extended Uν(6/12) (X) Uπ(6/4) supersymmetry

NUCLEAR REACTIONS 194Pt(α, 2n), E=9.3 MeV; measured Eγ, Iγ, γγ-coin, and γγ(θ). 196Hg; deduced levels, J, π, multipolarity, mixing ratio, and B(E2). Comparison with previous experimental data and with calculations using interacting boson approximation (IBA) with extended Uν(6/12) (X) Uπ(6/4) supersymmetry. 196Hg interpreted as the fifth member of a magical quartet of 194,195Pt, 195,196Au in the context of extended supersymmetric IBA model.

doi: 10.1103/PhysRevC.81.024312
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2010MO14      Phys.Rev. C 82, 014301 (2010)

K.Moschner, K.-H.Speidel, J.Leske, C.Bauer, C.Bernards, L.Bettermann, M.Honma, T.Moller, P.Maier-Komor, D.Mucher

New measurement of the 68Zn(41+) g factor combined with a reanalysis of previous data

NUCLEAR REACTIONS 12C(68Zn, 68Zn'), E=180 MeV; measured Eγ, Iγ, (particle)γ(θ, H), precession angles in transient fields. 68Zn; deduced g factors. Coulomb excitation. 62,64,66,70Zn; reanalyzed g factors. Comparison with large-scale shell-model calculations.

NUCLEAR MOMENTS 68Zn; measured g factors by (particle)γ(θ, H) in transient fields. 62,64,66,70Zn; reanalyzed g factors. Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.82.014301
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2009BE18      Phys.Rev. C 79, 054307 (2009)

C.Bernards, S.Heinze, J.Jolie, C.Fransen, A.Linnemann, D.Radeck

Two-fermion-four-boson description of 198Hg within the Uν(6/12) (X) Uπ(6/4) extended nuclear structure supersymmetry

NUCLEAR REACTIONS 196Pt(α, 2n), E=25 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 198Hg; deduced levels, J, π, mixing ratios. Comparison with calculations using interacting boson fermion fermion (IBFFA) model and interacting boson (IBA-2) model.

doi: 10.1103/PhysRevC.79.054307
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2009RA06      Nucl.Phys. A821, 1 (2009)

D.Radeck, M.Albers, C.Bernards, L.Bettermann, A.Blazhev, C.Fransen, S.Heinze, J.Jolie, D.Mucher

Study of low-spin excitations in 100Pd

NUCLEAR REACTIONS 99Ru(3He, 2n), E=17 MeV; measured Eγ, Iγ, γγ-coin. 100Pd; deduced J, π, level energies, branching and mixing ratios. Comparison with model calculations.

doi: 10.1016/j.nuclphysa.2009.01.081
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2009RA28      Phys.Rev. C 80, 044331 (2009)

D.Radeck, A.Blazhev, M.Albers, C.Bernards, A.Dewald, C.Fransen, M.Heidemann, J.Jolie, B.Melon, D.Mucher, Th.Pissulla, W.Rother, K.O.Zell, O.Moller

First measurement of lifetimes in the yrast band of 100Pd

NUCLEAR REACTIONS 92Mo(11B, 2np), E=43 MeV; measured Eγ, Iγ, γγ-coin and half-lives using the recoil-distance Doppler-shift (RDDS) technique. 100Pd; deduced levels, B(E1), B(E2). Comparison with predictions from collective models and the shell model.

doi: 10.1103/PhysRevC.80.044331
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2009RE20      Nucl.Instrum.Methods Phys.Res. A606, 466 (2009)

J.-M.Regis, Th.Materna, S.Christen, C.Bernards, N.Braun, G.Breuer, Ch.Fransen, S.Heinze, J.Jolie, T.Meersschaut, G.Pascovici, M.Rudigier, L.Steinert, S.Thiel, N.Warr, K.O.Zell

Sub-nanosecond lifetime measurements using the Double Orange Spectrometer at the cologne 10 MV Tandem accelerator

NUCLEAR REACTIONS 172Yb(α, 2n), E=27 MeV; 169Tm(11B, 4n), E=55 MeV; 196Pt(p, 2n), E=14 MeV; measured reaction products, Eβ, Iβ, Enullg, Iγ, CE, β-γ coin.; deduced first excited state T1/2. Lifetime measurements, comparison with available data.

doi: 10.1016/j.nima.2009.04.008
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