NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = G.Hafner Found 25 matches. 2023GJ01 Phys.Rev. C 108, 064602 (2023) D.Gjestvang, J.N.Wilson, A.Al-Adili, S.Siem, Z.Gao, J.Randrup, D.Thisse, M.Lebois, N.Jovancevic, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, E.Adamska, P.Adsley, A.Algora, C.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, S.Ziliani Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments
doi: 10.1103/PhysRevC.108.064602
2023ST05 Phys.Rev. C 108, 014316 (2023) K.Stoychev, M.Djongolov, V.Karayonchev, G.Rainovski, M.Ley, J.Jolie, D.Bittner, A.Blazhev, F.Dunkel, A.Esmaylzadeh, C.Fransen, J.Garbe, L.M.Gerhard, R.-B.Gerst, K.Geusen, K.A.Gladnishki, G.Hafner, D.Kalaydjieva, L.Klockner, L.Knafla, D.Kocheva, L.Kornwebel, C.Muller-Gatermann, E.Nikodem, J.-M.Regis, K.Schomacker, M.Stoyanova X-ray-γ fast-timing lifetime measurement of the 6+1 state in 206Po RADIOACTIVITY 206Po(IT)[from successive EC decay of 206Rn(EC)-206At(EC) produced in 194Pt(16O, 4n)206Rn, E=84 MeV]; measured X-rays, Eγ, Iγ, (X-rays)γ-coin, γγγ-coin. 206Po; deduced levels, J, π, T1/2 of the 4+ and 6+ excited states, B(E2). Lifetimes extracted via the generalized centroid difference (GCD) method. Systematics of the B(E2) for even-even Po isotopes with N<126. HORUS spectrometer consisting of 8 coaxial HPGe and 11 LaBr detectors at the FN-Tandem facility (Institute for Nuclear Physics, University of Cologne).
doi: 10.1103/PhysRevC.108.014316
2023TH05 Eur.Phys.J. A 59, 153 (2023) D.Thisse, M.Lebois, D.Verney, J.N.Wilson, N.Jovancevic, M.Rudigier, R.Canavan, D.Etasse, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, R.-B.Gerst, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, J.Hommet, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, W.Poklepa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Soderstrom, K.Solak, C.Surder, G.Tocabens, V.Vedia, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Study of N = 50 gap evolution around Z = 32: new structure information for 82Ge NUCLEAR REACTIONS 232Th(n, F)84Se/82Ge, E fast; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme. Comparison with available data. LICORNE directional neutron source at the ALTO facility of IJCLab.
doi: 10.1140/epja/s10050-023-01051-2
2022DA06 Phys.Rev. C 105, L031304 (2022) B.Das, B.Cederwall, C.Qi, M.Gorska, P.H.Regan, O.Aktas, H.M.Albers, A.Banerjee, M.M.R.Chishti, J.Gerl, N.Hubbard, S.Jazrawi, J.Jolie, A.K.Mistry, M.Polettini, A.Yaneva, S.Alhomaidhi, J.Zhao, T.Arici, S.Bagchi, G.Benzoni, P.Boutachkov, T.Davinson, T.Dickel, E.Haettner, O.Hall, Ch.Hornung, J.P.Hucka, P.R.John, I.Kojouharov, R.Knobel, D.Kostyleva, N.Kuzminchuk, I.Mukha, W.R.Plass, B.S.Nara Singh, J.Vasiljevic, S.Pietri, Zs.Podolyak, M.Rudigier, H.Rosch, E.Sahin, H.Schaffner, C.Scheidenberger, F.Schirru, A.Sharma, R.Shearman, Y.Tanaka, J.Vesic, H.Weick, H.J.Wollersheim, U.Ahmed, A.Algora, C.Appleton, J.Benito, A.Blazhev, A.Bracco, A.M.Bruce, M.Brunet, R.Canavan, A.Esmaylzadeh, L.M.Fraile, G.Hafner, H.Heggen, D.Kahl, V.Karayonchev, R.Kern, A.Korgul, G.Kosir, N.Kurz, R.Lozeva, M.Mikolajczuk, P.Napiralla, R.Page, C.M.Petrache, N.Pietralla, J.-M.Regis, P.Ruotsalainen, L.Sexton, V.Sanchez-Temble, M.Si, J.Vilhena, V.Werner, J.Wiederhold, W.Witt, P.J.Woods, G.Zimba Nature of seniority symmetry breaking in the semimagic nucleus 94Ru RADIOACTIVITY 95mPd(β+p)[from 9Be(124Xe, F), E=850 MeV/nucleon];measured Eγ, Iγ, Ep, Ip, γγ-coin, pγ-coin. 94Ru; deduced T1/2 of low-lying excited states, B(E2). Comparison to shell-model calculations. Ions were separated with FRS at GSI and implanted in the Advanced Implantation Detector Array (AIDA), composed of three double-sided silicon strip detectors (DSSSDs) situated at the center of the DEcay SPECtroscopy (DESPEC) setup, comprised of a hybrid array of six triple cluster high-purity germanium (HPGe) detectors and 36 LaBr3(Ce) detectors of the FAst TIMing Array (FATIMA).
doi: 10.1103/PhysRevC.105.L031304
2022HA24 Phys.Rev. C 106, 024326 (2022) A.Harter, L.Knafla, G.Friessner, G.Hafner, J.Jolie, A.Blazhev, A.Dewald, F.Dunkel, A.Esmaylzadeh, C.Fransen, V.Karayonchev, K.Lawless, M.Ley, J.-M.Regis, K.O.Zell Lifetime measurements in the tungsten isotopes 176, 178, 180W NUCLEAR REACTIONS 164Dy(16O, 4n)176W, E=80 MeV; 172Yb(9Be, 3n)178W, E=40 MeV; 181Ta(p, 2n)180W, E=16 MeV; measured E(ce), Eγ, (ce)γ-coin, (ce)γγ-coin, γγ-coin, level T1/2 by (ce)γ(t) fast-timing method, and by recoil-distance Doppler-shift method using Cologne iron-free Orange spectrometer for conversion electrons, Cologne HORUS spectrometer for γ radiation, and Cologne coincidence plunger setup at the 10 MV FN Tandem accelerator of IKP-Cologne. 176,178,180W; deduced levels, J, π, T1/2, B(E2) of yrast positive-parity states up to 10+ for 176W and up to 8+ for 178,180W. Comparison with previous available experimental results, and with IBM-1 model calculations. Experimental and theoretical (by IBM-1 model with SU(3) and X(5) limits) systematics of excitation energies, deformation parameter β, quadrupole moment, B(E2), E(first 4+)/E(first 2+), B(E2)(first 4+)/B(E2)(first 2+) for 168,170,172,174,176,178,180,182,184,186W.
doi: 10.1103/PhysRevC.106.024326
2022KA40 Phys.Rev. C 106, 044321 (2022) V.Karayonchev, A.Blazhev, J.Jolie, A.Dewald, A.Esmaylzadeh, C.Fransen, G.Hafner, L.Knafla, C.Muller-Gatermann, G.Rainovski, J.-M.Regis, K.Schomacker, P.Van Isacker New aspects of the low-energy structure of 211At NUCLEAR REACTIONS 209Bi(16O, 14C)211At, E=84 MeV; measured recoiling beam-like nuclei, Eγ, Iγ, (particle)γ-coin. 211At; deduced levels, J, π, high-spin states, T1/2 of the excited states, B(E2). Recoil-distance Doppler shift and the Doppler-shift attenuation methods. Comparison to two shell-model calculations, one using the Kuo-Herling residual interaction and the other using a single-j approximation for protons in the 0h9/2 orbital. Comparison to other experimental data. Cologne plunger device with 11 HPGe detectors positioned in two rings at FN-Tandem accelerator (University of Cologne).
doi: 10.1103/PhysRevC.106.044321
2022PR02 Phys.Rev. C 105, 034319 (2022) S.Prill, A.Bohn, V.Everwyn, G.Hafner, F.Heim, M.Spieker, M.Weinert, J.Wilhelmy, A.Zilges Lifetime analysis of 128, 130Te via the Doppler-shift attenuation method NUCLEAR REACTIONS 128Te(p, p'γ), E=8.8 MeV; 130Te(p, p'γ), E=10 MeV; measured Ep, Ip, Eγ, Iγ, pγ-coin. 128,130Te; deduced levels, J, π, T1/2 of excited states, B(E2), B(M1). p-γ-coincidence DSA technique for half-life determination. Comparison to shell-model calculations performed with NuShellX in the jj55pn model space. Combined SONIC (Si-detectors) and HORUS (HPGe-detectors) arrays.
doi: 10.1103/PhysRevC.105.034319
2021ES04 Phys.Rev. C 103, 054324 (2021) A.Esmaylzadeh, V.Karayonchev, G.Hafner, J.Jolie, M.Beckers, A.Blazhev, A.Dewald, C.Fransen, A.Goldkuhle, L.Knafla, C.Muller-Gatermann Triaxiality in the mid-shell nucleus 112Pd NUCLEAR REACTIONS 110Pd(18O, 16O)112Pd, E=56 MeV; measured Eγ, Iγ, (particle)γ-coin, half-lives of the 2+, 4+ and 6+ g.s. band members and 2+ level in γ band by recoil-distance Doppler shift (RDDS) and DDCM analysis methods using Cologne Plunger device and an array of 11 HPGe detectors at the Cologne FN Tandem accelerator facility. 112Pd; deduced levels, B(E2). Comparison with IBM-1 model calculations. NUCLEAR STRUCTURE 112Pd; calculated levels, J, π, B(E2) for 2+, 4+, 6+, 8+ and 10+ states of the yrast band and 2+, 3+, 4+, 5+, 6+, 7+ and 8+ states of the γ-band using the Interacting Boson Model (IBM-1), the Davydov Filipov Model and the Wilets-Jean gamma-unstable model (or γ-soft model); deduced rigid triaxial nucleus and indicators for a γ-soft nucleus.
doi: 10.1103/PhysRevC.103.054324
2021ES09 Phys.Rev. C 104, 064314 (2021) A.Esmaylzadeh, V.Karayonchev, K.Nomura, J.Jolie, M.Beckers, A.Blazhev, A.Dewald, C.Fransen, R.-B.Gerst, G.Hafner, A.Harter, L.Knafla, M.Ley, L.M.Robledo, R.Rodriguez-Guzman, M.Rudigier Lifetime measurements to investigate γ softness and shape coexistence in 102Mo NUCLEAR REACTIONS 100Mo(18O, 16O)102Mo, E=52 MeV; measured Eγ, Iγ, γγ-coin, T1/2 of levels by recoil-distance Doppler-shift method using an array of eleven HPGe detectors, and Cologne Plunger device at the Cologne FN Tandem accelerator facility. 102Mo; deduced levels, J, π, B(E2), B(M1), E0 transition probability; calculated deformation-energy surface in the (β, γ) plane. Comparison of levels and B(E2) with mapped interacting boson model (IBM) calculations, with microscopic input from Gogny mean-field. Systematics of 0+ and first 2+ states and B(E2) values in N=52-64, Sr, Zr, Mo and Ru isotopes. Discussed shape coexistence and γ-softness.
doi: 10.1103/PhysRevC.104.064314
2021HA13 Phys.Rev. C 103, 034317 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, J.Jolie, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, J.Ljungvall, A.Lopez-Martens, I.Matea, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani Spectroscopy and lifetime measurements in 134, 136, 138Te isotopes and implications for the nuclear structure beyond N = 82 NUCLEAR REACTIONS 238U(n, F)134Te/136Te/138Te, E AP 1.7 MeV; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+ and 6+ states in 134,136,138Te and (12+) isomer in 134Te by γγ(t) fast timing technique using HPGe and LaBr3(Ce) detectors at the ALTO facility of IJCLab with the LICORNE neutron source and the hybrid ν-ball spectrometer. 134,136,138Te; deduced levels, J, π, B(E2), mixed symmetry state, configurations. Comparison with previous measurements, and with state-of-the-art shell-model calculations. NUCLEAR STRUCTURE 134,136,138Te; calculated levels, J, π for 136,138Te, decomposition of the wave functions for several yrast states in all three nuclides. Large-scale shell-model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034317
2021HA23 Eur.Phys.J. A 57, 174 (2021) G.Hafner, A.Esmaylzadeh, J.Jolie, J.-M.Regis, C.Muller-Gatermann, A.Blazhev, C.Fransen, R.-B.Gerst, V.Karayonchev, L.Knafla, N.Saed-Samii, K.-O.Zell Lifetime measurements in 182Pt using γ-γ fast-timing NUCLEAR REACTIONS 170Yb(16O, 4n), E=87 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, half lives, B(E2). Comparison with theoretical calculations in the framework of the sd-IBM with and without configuration mixing, γ-γ fast-timing technique.
doi: 10.1140/epja/s10050-021-00492-x
2021HA28 Phys.Rev. C 104, 014316 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani First lifetime investigations of N ≥ 82 iodine isotopes: The quest for collectivity NUCLEAR REACTIONS 238U(n, F)135I/137I/139I, E ∼ 1.7 MeV from LICORNE neutron source at the ALTO facility of IJCLab; measured Eγ, Iγ, γγ-coin, level T1/2 by γγ(t) using ν-ball spectrometer of HPGe and LaBr3(Ce) detectors. 135,137,139I; deduced high-spin levels, J, π, B(E2), B(M1), B(E3), configurations; calculated occupations for the most prominent proton or neutron-proton configurations. Comparison with previous experimental data, and with large scale shell-model (LSSM) calculations using N3LOP (SM-I) and Kuo-Herling (SM-II) effective interactions. Systematics of B(E2) for yrast states of 134,136,138Te and 135,137,139I.
doi: 10.1103/PhysRevC.104.014316
2021JI11 Phys.Rev. C 104, 024302 (2021) S.Y.Jin, S.T.Wang, J.Lee, A.Corsi, K.Wimmer, F.Browne, S.Chen, M.L.Cortes, P.Doornenbal, T.Koiwai, C.X.Yuan, A.Algora, D.Brugnara, J.Cederkall, J.Gerl, M.Gorska, G.Hafner, K.Kokubun, P.Koseoglou, S.Kubono, P.Li, P.Liang, J.Liu, Z.Liu, T.Lokotko, J.Park, H.Sakurai, L.G.Sarmiento, Z.Y.Sun, R.Taniuchi, W.Xian, I.Zanon Spectroscopy of 98Cd by two-nucleon removal from 100In NUCLEAR REACTIONS C(100In, 98Cd), E AP 175 MeV/nucleon, [secondary 100In beam from 9Be(124Xe, X), E=345 MeV/nucleon, followed by separation of fragments using BigRIPS fragment separator at RIBF-RIKEN facility]; measured reaction residues using the ZeroDegree spectrometer, Eγ, Iγ, γγ-coin using DALI2+ array of 226 NaI(Tl) detectors, and CH2 and carbon targets. 98Cd; deduced levels, J, π, yrast cascade, configurations. Comparison with shell-model calculations.Systematics of 5- levels in 90Zr, 92Mo, 94Ru, 96Pd, 98Cd.
doi: 10.1103/PhysRevC.104.024302
2021WI12 Nature(London) 590, 566 (2021) J.N.Wilson, D.Thisse, M.Lebois, N.Jovancevic, D.Gjestvang, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, L.Gaudefroy, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Suderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Angular momentum generation in nuclear fission NUCLEAR REACTIONS 232Th(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82,84Ge, 84,86,88Se, 88,90,92,94Kr, 92,94,96,98Sr, 98,100Zr, 130,132Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 233Th. NUCLEAR REACTIONS 238U(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82Ge, 84,86,88Se, 88,90,92,94Kr, 94,96,98Sr, 98,100,102,104Zr, 102,104Mo, 130,132,134Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146,148Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 239U. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, TOF. 94,96,98Sr, 98,100,102,104Zr, 102,104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 130,132Sn, 134,136Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce, 152,154Nd; deduced average J, 0+ side-feeding, fission yields, dependence of average spin on fragment mass. Comparison with statistical theory.
doi: 10.1038/s41586-021-03304-w
2020AD05 Acta Phys.Pol. B51, 843 (2020) E.Adamska, A.Korgul, A.Fijalkowska, K.Miernik, M.Piersa, R.Canavan, D.Etasse, N.Jovancevic, M.Lebois, M.Rudigier, D.Thisse, J.N.Wilson, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, A.Blazhev, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, M.Ciemala, S.Collins, L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Koseoglou, T.Kroll, T.Kurtukian Nieto, L.Le-Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, J.Nemer, S.Oberstedt, W.Paulsen, Y.Popovitch, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, M.Yavahchova, F.Zeiser γ-ray Spectroscopy of 85Se Produced in 232Th Fission
doi: 10.5506/APhysPolB.51.843
2020CA03 Phys.Rev. C 101, 024313 (2020) R.L.Canavan, M.Rudigier, P.H.Regan, M.Lebois, J.N.Wilson, N.Jovancevic, P.-A.Soderstrom, S.M.Collins, D.Thisse, J.Benito, S.Bottoni, M.Brunet, N.Cieplicka-Orynczak, S.Courtin, D.T.Doherty, L.M.Fraile, K.Hadynska-Klek, G.Hafner, M.Heine, L.W.Iskra, V.Karayonchev, A.Kennington, P.Koseoglou, G.Lotay, G.Lorusso, M.Nakhostin, C.R.Nita, S.Oberstedt, Zs.Podolyak, L.Qi, J.-M.Regis, V.Sanchez-Tembleque, R.Shearman, V.Vedia, W.Witt Half-life measurements in 164, 166Dy using γ-γ fast-timing spectroscopy with the ν-Ball spectrometer NUCLEAR REACTIONS 164Dy(18O, 18O'), E=71, 76, 80 MeV pulsed beam; 164Dy(18O, 16O)166Dy, E=78 MeV; measured Eγ, Iγ, level half-lives by γγ(t) fast-timing triple coincidence method using ν-Ball with 24 HPGe clover detectors, ten coaxial HPGe detectors, and 20 LaBr3 detectors. 164,166Dy; deduced levels, J, π, B(E2), β2 and transition quadrupole moments. Comparison with values for 164Dy in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.101.024313
2020GE11 Phys.Rev. C 102, 064323 (2020) R.-B.Gerst, A.Blazhev, N.Warr, J.N.Wilson, M.Lebois, N.Jovancevic, D.Thisse, R.Canavan, M.Rudigier, D.Etasse, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, B.Wasilewska, J.Wiederhold, M.Yavachova, F.Zeiser, S.Ziliani Prompt and delayed γ spectroscopy of neutron-rich 94Kr and observation of a new isomer NUCLEAR REACTIONS 238U(n, F), E=fast neutrons from 1H(7Li, 7Be)n, E=16 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, half-life of a new isomer in 94Kr using the ν-Ball array of 24 HPGe Clover detectors, 10 coaxial HPGe detectors, all with BGO Compton shielding, and 20 LaBr3 detectors at the ALTO facility of IPN-Orsay. 94Kr; deduced levels, J, π, isomer, B(E1), B(E2), ground-state band up to 10+, two-quasiparticle neutron state for the isomer consistent with Gogny CHFB calculations. Comparison with level schemes of 92Se and 96Sr.
doi: 10.1103/PhysRevC.102.064323
2020KA63 Phys.Rev. C 102, 064314 (2020) V.Karayonchev, J.Jolie, A.Blazhev, A.Dewald, A.Esmaylzadeh, C.Fransen, G.Hafner, L.Knafla, J.Litzinger, C.Muller-Gatermann, J.-M.Regis, K.Schomacker, A.Vogt, N.Warr, A.Leviatan, N.Gavrielov Tests of collectivity in 98Zr by absolute transition rates NUCLEAR REACTIONS 96Zr(18O, 16O)98Zr, E=50 MeV; measured recoiling light fragments using an array of six solar cells, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift recoil-distance (RDDS) method and analysis by differential decay curve method (DDCM) using an array of 11 HPGe detectors and Cologne Plunger device at the Cologne 10 MV FN Tandem accelerator. 98Zr; deduced levels, J, π, B(E2). Comparison with Monte Carlo shell model (MCSM), and interacting boson model with configuration mixing (IBM-CM) calculations, and with previous experimental data. Systematics of energies and B(E2) values of the first 2+ states in 90,92,94,96,98,100Sr, 92,94,96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.102.064314
2020KN03 Phys.Rev. C 102, 044310 (2020) L.Knafla, G.Hafner, J.Jolie, J.-M.Regis, V.Karayonchev, A.Blazhev, A.Esmaylzadeh, C.Fransen, A.Goldkuhle, S.Herb, C.Muller-Gatermann, N.Warr, K.O.Zell Lifetime measurements of 162Er: Evolution of collectivity in the rare-earth region NUCLEAR REACTIONS 154Sm(12C, 4n)162Er, E=62 MeV; measured Eγ, Iγ, γγ-coin, half-life of 7(-) isomer by γ(t), level half-lives by γγ(t) fast-timing technique using the HORUS spectrometer with eight HPGe detectors and eight LaBr3(Ce) scintillation detectors at the 10 MV FN-Tandem accelerator of the University of Cologne. 162Er; deduced levels, J, π, B(E2). Comparison with confined β soft model and the interacting boson model calculations. Systematics of B(E2) values transition quadrupole moments and β2 deformation parameters for 158,160,162,164,166,168,170Er.
doi: 10.1103/PhysRevC.102.044310
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
2019GO13 Eur.Phys.J. A 55, 53 (2019) A.Goldkuhle, C.Fransen, A.Dewald, K.Arnswald, M.Bast, M.Beckers, A.Blazhev, T.Braunroth, G.Hackenberg, G.Hafner, J.Litzinger, J.Jolie, C.Muller-Gatermann, F.von Spee, N.Warr, D.Werner, K.O.Zell Lifetime measurement of excited states in 46Ti NUCLEAR REACTIONS 40Ca(9Be, 2pn)46Ti, E=33 MeV; measured Eγ, Iγ, γγ-coin; 46Ti; deduced yrast 2+1, 4+1, 6+1 states T1/2, upper T1/2 limit of the 8+1 state using Recoil Distance Doppler Shift (RDDS) method and γγ-coin using Differential Decay Curve Method (DDCM), γ-transition probabilities of the first yrast states.
doi: 10.1140/epja/i2019-12722-6
2019HA26 Phys.Rev. C 100, 024302 (2019) G.Hafner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, R.Lozeva, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanbe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu Properties of gamma-decaying isomers in the 100Sn region populated in fragmentation of a 124Xe beam NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/88mZr/90Nb/90mNb/90Mo/90mMo/91Nb/91mNb/92Nb/92mNb/92Mo/92mMo/92Tc/92mTc/92Ru/92mRu/92Rh/92mRh/93Tc/93mTc/93Ru/93mRu/94Ru/94mRu/94Rh/94mRh/94Pd/94mPd/95Ag/95mAg/96Pd/96mPd/96Ag/96mAg/96Cd/96mCd/98Ag/98mAg/98Cd/98mCd, E=345 MeV/nucleon; measured yields of secondary ions by A/Q vs Z, Eγ, Iγ, (ion)γ-coin, isomeric ratios using BigRIPS and ZeroDegree spectrometers, active stopper SIMBA, and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with previous experimental results, and with abrasion-ablation model combined with sharp cutoff model. RADIOACTIVITY 88mZr, 90mNb, 90m,92mMo, 92m,93mTc, 92m,93m,94mRu, 92mRh, 94m,96mPd, 96m,98mAg, 98mCd(IT); measured Eγ, Iγ, γγ- and (ion)γ-coin, half-lives of isomers (0.1-104 μs) by γ(t). 88Zr, 90Nb, 90,92Mo, 92,93Tc, 92,93,94Ru, 92Rh, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, B(E1), B(E2), B(E3), B(E4). Comparison with shell model calculations using NUSHELLX code and SLGT0PN interaction.
doi: 10.1103/PhysRevC.100.024302
2019JO08 Acta Phys.Pol. B50, 297 (2019) N.Jovancevic, M.Lebois, J.N.Wilson, D.Thisse, L.Qi, I.Matea, F.Ibrahim, D.Verney, M.Babo, C.Delafosse, F.Adsley, G.Tocabens, A.Gottardo, Y.Popovitch, J.Nemer, R.Canavan, M.Rudigier, K.Belvedere, A.Boso, P.Regan, Zs.Podolyak, R.Shearman, M.Bunce, P.Inavov, S.Oberstedt, A.Lopez-Martens, K.Hauschild, J.Ljungvall, R.Chakma, R.Lozeva, P.-A.Soderstrom, A.Oberstedt, D.Etasse, D.Ralet, A.Blazhev, R.-B.Gerst, G.Hafner, N.Cieplicka-Orynczak, L.Iskra, B.Fornal, G.Benzoni, S.Leoni, S.Bottoni, C.Henrich, P.Koseoglou, J.Wiederhold, I.Homm, C.Surder, T.Kroll, D.Knezevic, A.Dragic, L.Cortes, N.Warr, K.Miernik, E.Adamska, M.Piersa, K.Rezynkina, L.Fraile, J.Benito Garcia, V.Sanchez, A.Algora, P.Davies, V.Guadilla-Gomez, M.Fallot, T.Kurtukian-Nieto, C.Schmitt, M.Heine, D.Reygadas Tello, M.Yavachova, M.Diakaki, F.Zeiser, W.Paulson, D.Gestvang Spectroscopy of Neutron Induced Reactions with the ν-ball Spectrometer
doi: 10.5506/aphyspolb.50.297
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
2018ES04 Phys.Rev. C 98, 014313 (2018) A.Esmaylzadeh, L.M.Gerhard, V.Karayonchev, J.-M.Regis, J.Jolie, M.Bast, A.Blazhev, T.Braunroth, M.Dannhoff, F.Dunkel, C.Fransen, G.Hafner, L.Knafla, M.Ley, C.Muller-Gatermann, K.Schomacker, N.Warr, K.-O.Zell Lifetime determination in 190, 192, 194, 196Hg via γ-γ fast-timing spectroscopy NUCLEAR REACTIONS 178Hf(16O, 4n)190Hg, E=87 MeV; 184W(12C, 4n)192Hg, E=66 MeV; 186W(12C, 4n)194Hg, E=64 MeV; 197Au(p, 2n)196Hg, E=17 MeV; measured Eγ, Iγ, level half-lives of first 2+ and 4+ states in 190,192,194,196Hg, first 7- in 192Hg, first 9- in 194Hg and first 5- in 196Hg by γγ-coin fast-timing technique using HORUS array and LaBr3(Ce) detectors at the Cologne University Institute of Nuclear Physics 190,192,194,196Hg; deduced levels, J, π, B(E2), B(E1). Comparison with theoretical calculations using interacting boson model configuration mixing (IBM-CM), and interacting boson model-2 (IBM-2). Systematics of excitation energies of yrast states, E(first 4+)/E(first 2+) ratios, and B(E2) for first 2+ and 4+ states in A=172-204 Hg isotopes.
doi: 10.1103/PhysRevC.98.014313
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