NSR Query Results


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NSR database version of April 11, 2024.

Search: Author = A.Woehr

Found 90 matches.

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2012CH09      Phys.Rev. C 85, 024309 (2012)

C.J.Chiara, I.Stefanescu, W.B.Walters, S.Zhu, R.V.F.Janssens, M.P.Carpenter, R.Broda, B.Fornal, A.A.Hecht, N.Hoteling, E.G.Jackson, B.P.Kay, W.Krolas, T.Lauritsen, E.A.McCutchan, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski

Core-coupled protons, F7/2 intruder states, and competing G9/2 proton and neutron structures in 65, 67Cu

NUCLEAR REACTIONS 238U(64Ni, X)65Cu/67Cu, E=430 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ) using Gammasphere array and ATLAS facility at ANL. 65,67Cu; deduced levels, J, π, multipolarity, mixing ratios, configurations. Systematics of 7/2- and positive-parity states in A=57-71 Cu isotopes, and 2+ and 5- states in A=56-70 Ni isotopes. Systematics of ground-state bands in 60,66,68,70Zn and compared with those of f7/2- proton bands in 59,65,67,69Cu. Comparison with shell model calculations using JUN45 and jj44b interactions.

doi: 10.1103/PhysRevC.85.024309
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2012QU01      Phys.Rev. C 85, 035807 (2012)

M.Quinn, A.Aprahamian, J.Pereira, R.Surman, O.Arndt, T.Baumann, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, T.Ginter, M.Hausmann, S.Hennrich, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Portillo, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β decay of nuclei around 90Se: Search for signatures of a N=56 subshell closure relevant to the r process

NUCLEAR REACTIONS 9Be(136Xe, X)86As/87As/88As/88Se/89Se/90Se/90Br/91Br/92Br/93Br/91Kr/92Kr/93Kr/94Kr/95Kr/93Rb/94Rb/95Rb/96Rb/97Rb/95Sr/96Sr/97Sr/98Sr/99Sr/97Y/98Y/99Y/100Y/101Y/100Zr/101Zr/102Zr/103Zr, E=120 MeV/nucleon; measured fragment spectra by energy loss and time-of-flight, total kinetic energies (TKE) of 97,98,99Sr fragments in 36+, 37+, 38+ charge states, half-lives by fragment-β correlations. Beta Counting System (BCS) at NSCL.

RADIOACTIVITY 87,88As, 88,89,90Se, 90,91,92,93Br, 93,94,95Kr, 95,96,97Rb, 96,97,98,99Sr, 99,100,101Y(β-)[from 9Be(136Xe, X), E=120 MeV/nucleon]; measured Eβ, Eγ, (fragment)β correlations, half-lives. Beta Counting System (BCS) at NSCL and SEGA array. Maximum likelihood and least-squares analyses for half-lives. Comparison of measured half-lives with QRPA calculations used in r process, and with previous measurements. Role of g9/2 proton and h11/2 neutron intruders. No evidence of N=56 subshell closure in 90Se. Relevance to r-process nuclei.

doi: 10.1103/PhysRevC.85.035807
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2012WE08      J.Phys.:Conf.Ser. 337, 012018 (2012)

L.Weissman, U.Bergmann, J.Cederkall, L.Fraile, S.Franchoo, H.O.U.Fynbo, T.Fritioff, U.Koster, O.Arnd, I.Dillman, O.Hallmann, K.-L.Kratz, B.Pfeiffer, A.Wohr, L.Gaudefroy, O.Sorlin, for the ISOLDE collaboration

Decay of 48-50Ar isotopes

RADIOACTIVITY 48,49,50Ar(β-)[from mass separator]; measured β-gated Eγ, Iγ, γγ-coin, Eβ, Iβ, βγ-coin using βγ detector, β telescope and secondary ECR ion source; deduced T1/2.

doi: 10.1088/1742-6596/337/1/012018
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2011AR18      Phys.Rev. C 84, 061307 (2011)

O.Arndt, K.-L.Kratz, W.B.Walters, K.Farouqi, U.Koster, V.Fedosseev, S.Hennrich, C.J.Jost, A.Wohr, A.A.Hecht, B.Pfeiffer, J.Shergur, N.Hoteling

Decay of the r-process nuclides 137, 138, 139Sb, and the A=130 solar r-process abundance peak

RADIOACTIVITY 137,138,139Sb, 136,137Sn(β-), (β-n); measured E(n), I(n), half-lives, β-delayed neutron emission probability Pn using RILIS source and high-resolution mass separator at ISOLDE-CERN facility. 134,135,136,137,138,139,140Sb(β-), (β-n); calculated half-lives and β-delayed neutron probabilities for spherical and non-spherical shapes. Calculated r-process residual isotopic abundance plot using new data.

doi: 10.1103/PhysRevC.84.061307
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2011PE34      J.Phys.:Conf.Ser. 312, 042019 (2011)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, W.B.Walters, A.Wohr

β-decay measurements of A simeq 70 ≈ 110 r-process nuclei at the National Superconducting Cyclotron Laboratory

RADIOACTIVITY 106,107,108,109Nb, 108,109,110,111Mo(β-); compiled T1/2; calculated T1/2, Solar system r-process abundances using new T1/2.

doi: 10.1088/1742-6596/312/4/042019
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2010CH51      Phys.Rev. C 82, 054313 (2010)

C.J.Chiara, I.Stefanescu, N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu

Influence of the νg9/2 orbital on level structures of neutron-rich 61, 62Mn36, 37

NUCLEAR REACTIONS 238U(64Ni, X)61Mn/62Mn, E=430 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere array. 61,62Mn; deduced levels, J, π. Comparison with level structures of 53,55,57,59,58,60,64Mn.

doi: 10.1103/PhysRevC.82.054313
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2010HO12      Phys.Rev. C 82, 025806 (2010)

P.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.Farouqi, K.-L.Kratz, S.N.Liddick, A.F.Lisetskiy, P.F.Mantica, P.Moller, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, J.Pereira, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr

Half-lives and branchings for β-delayed neutron emission for neutron-rich Co-Cu isotopes in the r-process

RADIOACTIVITY 73,74,75Co, 75,76,77,78Ni, 76,77,78,79,80Cu, 79,80,81Zn, 81,82Ga(β-), (β-n)[from Be(86Kr, X), E=140 MeV/nucleon]; measured β spectra, βn-coin, neutron spectra, half-lives, delayed neutron-emission probabilities; calculated half-lives, P(n) using QRPA, CQRPA and OXBASH shell model. Discussed effects on various types of models for the rapid neutron-capture process (r-process) in nucleosynthesis. A=1-210; calculated abundances with classical r-process and HEW models using known decay data. 78Ni(β-); calculated Gamow-Teller strengths, effect on abundances.

doi: 10.1103/PhysRevC.82.025806
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2010HO13      Phys.Rev. C 82, 044305 (2010)

N.Hoteling, C.J.Chiara, R.Broda, W.B.Walters, R.V.F.Janssens, M.Hjorth-Jensen, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu

Structure of 60, 62Fe and the onset of νg9/2 occupancy

NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), prompt and delayed γ spectra using Gammasphere array. 60,62Fe; deduced levels, J, π, multipolarity, yrast levels. Comparison with shell model calculations. Level systematics of 54,56,58,60,62,64Fe nuclei.

RADIOACTIVITY 60,62Mn(β-)[from 238U(64Ni, X), E=430 MEV]; measured Eγ, Iγ, γγ-coin, γγ(θ) using Gammasphere array. 60,62Fe; deduced levels, J, π, multipolarity.

doi: 10.1103/PhysRevC.82.044305
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2009AR04      Acta Phys.Pol. B40, 437 (2009)

O.Arndt, S.Hennrich, N.Hoteling, C.J.Jost, B.E.Tomlin, J.Shergur, K.-L.Kratz, P.F.Mantica, B.A.Brown, R.V.F.Janssens, W.B.Walters, B.Pfeiffer, A.Wohr, S.Zhu, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, J.Pereira, D.Seweryniak, I.Stefanescu, J.R.Stone, J.Wrzesinski

Structure of Neutron-Rich Odd-Mass 127, 129, 131In Populated in the Decay of 127, 129, 131Cd

RADIOACTIVITY 127,129,131Cd(β-); measured Iγ, Eγ; deduced Jπ, level scheme. Comparison with calculations.


2009PA16      Phys.Rev. C 79, 044309 (2009)

D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, M.Huyse, Yu.Kudryavtsev, R.Raabe, M.Sawicka, J.Van de Walle, P.Van Duppen, A.Korgul, I.Stefanescu, A.A.Hecht, N.Hoteling, A.Wohr, W.B.Walters, R.Broda, B.Fornal, W.Krolas, T.Pawlat, J.Wrzesinski, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, J.R.Stone, X.Wang

Structure of 65, 67Co studied through the β decay of 65, 67Fe and a deep-inelastic reaction

RADIOACTIVITY 65,65mFe, 65Co, 67Fe(β-)[from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-lives. 65Co, 65Ni, 67Co; deduced levels, J, π, configurations. 61,63,65Co; level systematics. Interpretation in terms of core coupled states with proton intruder orbitals.

NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 65Co; deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.79.044309
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2009PE06      Phys.Rev. C 79, 035806 (2009)

J.Pereira, S.Hennrich, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, P.Moller, F.Montes, B.Pfeiffer, H.Schatz, F.Schertz, L.Schnorrenberger, E.Smith, A.Stolz, M.Quinn, W.B.Walters, A.Wohr

β-decay half-lives and β-delayed neutron emission probabilities of nuclei in the region A ≤ 110, relevant for the r process

RADIOACTIVITY 100,101,102,103,104,105Y, 103,104,105,106,107Zr, 106,107,108,109Nb, 108,109,110,111Mo, 109,110,111,112,113Tc(β-), (β-n)[from 9Be(136Xe, X), E=120 MeV/nucleon]; measured fragments, neutrons, β, (fragment)β-coin, half-lives; deduced delayed neutron-emission probabilities. Comparisons with quasiparticle random phase approximation (QRPA03 and QRPA06) calculations. Discussed relevance to r-process nuclei.

doi: 10.1103/PhysRevC.79.035806
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2009ST05      Phys.Rev. C 79, 034319 (2009)

I.Stefanescu, W.B.Walters, R.V.F.Janssens, N.Hoteling, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, J.R.Stone, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu

Levels above the 19/2- isomer in 71Cu: Persistence of the N=40 neutron shell gap

NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 71Cu; deduced levels, J, π, configurations. 70Ni, 71Cu, 92Mo; level systematics. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.79.034319
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2008HO05      Phys.Rev. C 77, 044314 (2008)

N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, M.Hjorth-Jensen, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, J.R.Stone, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu

Rotation-aligned coupling in 61Fe

NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 61Fe; deduced levels, J, π. 59Fe; measured Eγ, Iγ. 56,57,58,59,60Fe; systematics. Comparisons with shell model and particle-triaxial rotor model.

doi: 10.1103/PhysRevC.77.044314
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2008PE17      Nucl.Phys. A805, 470c (2008)

J.Pereira, A.Aprahamian, O.Arndt, A.Becerril, T.Elliot, A.Estrade, D.Galaviz, S.Hennrich, P.Hosmer, L.Schnorrenberger, R.Kessler, K.-L.Kratz, G.Lorusso, P.F.Mantica, M.Matos, F.Montes, B.Pfeiffer, M.Quinn, P.Santi, H.Schatz, F.Schertz, E.Smith, B.E.Tomlin, W.B.Walters, A.Wohr

β-decay studies of r-process nuclei at NSCL

doi: 10.1016/j.nuclphysa.2008.02.268
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2008SK06      Phys.Rev. C 78, 044603 (2008)

B.B.Skorodumov, G.V.Rogachev, A.Aprahamian, V.Z.Goldberg, J.J.Kolata, S.Almaraz, H.Amro, E.D.Johnson, L.O.Lamm, M.Quinn, A.Teymurazyan, A.Woehr

T = 3/2 states in 13C

NUCLEAR REACTIONS 1H, C(11B, 11B), (12B, 12B), E=44.6 MeV; measured σ(θ). 13C; deduced levels, J, π, resonance widths. Comparisons with 13B, 13N, 13O, shell model calculations.

doi: 10.1103/PhysRevC.78.044603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1658. Data from this article have been entered in the XUNDL database. For more information, click here.


2008ST01      Phys.Rev. C 77, 014315 (2008)

N.J.Stone, K.van Esbroeck, J.Rikovska Stone, M.Honma, T.Giles, M.Veskovic, G.White, A.Wohr, V.I.Mishin, V.N.Fedoseyev, U.Koster, P.F.Mantica, W.B.Walters

Nuclear dipole moment of 71Cu from online β-NMR measurements

RADIOACTIVITY 71Cu(β-); measured magnetic moment of ground state. Compared with magnetic dipole moments of 57,59,61,63,65,67,69Cu.

doi: 10.1103/PhysRevC.77.014315
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2007SE02      Phys.Rev. C 75, 062801 (2007)

D.Seweryniak, P.J.Woods, M.P.Carpenter, T.Davinson, R.V.F.Janssens, D.G.Jenkins, T.Lauritsen, C.J.Lister, J.Shergur, S.Sinha, A.Woehr

Level structure of 26Si and its implications for the astrophysical reaction rate of 25Al(p, γ)26Si

NUCLEAR REACTIONS 12C(16O, 2n), E=58 MeV; measured Eγ, Iγ, γγ-coinc using the Gammasphere. 26Si deduced levels, J, π. Compared results to model calculations and discussed astrophysical implications.

doi: 10.1103/PhysRevC.75.062801
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2007SE06      Phys.Rev.Lett. 99, 082502 (2007)

D.Seweryniak, B.Blank, M.P.Carpenter, C.N.Davids, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, A.Robinson, C.Scholey, S.Sinha, J.Shergur, K.Starosta, W.B.Walters, A.Woehr, P.J.Woods

Effect of a Triaxial Nuclear Shape on Proton Tunneling: The Decay and Structure of 145Tm

NUCLEAR REACTIONS 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, Ep, pγ-coinc. 145Tm deduced levels, J, π.

doi: 10.1103/PhysRevLett.99.082502
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2007SK02      Phys.Rev. C 75, 024607 (2007)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, V.Z.Goldberg, A.Mukhamedzhanov, S.Almaraz, H.Amro, F.D.Becchetti, S.Brown, Y.Chen, H.Jiang, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Lowest excited states of 13O

NUCLEAR REACTIONS 1H(12N, p), E(cm)=0.8-2.7 MeV; measured Ep, excitation functions for elastic scattering. 13O deduced resonance energies, J, π, widths. 12N(p, γ), E=low; calculated astrophysical reaction rates. R-matrix calculations.

doi: 10.1103/PhysRevC.75.024607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1571. Data from this article have been entered in the XUNDL database. For more information, click here.


2006BO08      Nucl.Phys. A768, 22 (2006)

P.Boutachkov, K.H.Maier, A.Aprahamian, G.V.Rogachev, L.O.Lamm, M.Quinn, B.B.Skorodumov, A.Wohr

Study of the low spin states of 208Bi through γ-γ spectroscopy

NUCLEAR REACTIONS 208Pb(p, n), E=9.0 MeV; measured Eγ, Iγ, γγ-coin. 208Bi deduced levels, J, π, transition multipolarities. Comparison with shell-model predictions.

doi: 10.1016/j.nuclphysa.2006.01.004
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2006HO20      Phys.Rev.C 74, 064313 (2006)

N.Hoteling, W.B.Walters, R.V.F.Janssens, R.Broda, M.P.Carpenter, B.Fornal, A.A.Hecht, M.Hjorth-Jensen, W.Krolas, T.Lauritsen, T.Pawlat, D.Seweryniak, X.Wang, A.Wohr, J.Wrzesinski, S.Zhu

Yrast structure of 64Fe

NUCLEAR REACTIONS 238U(64Ni, X)64Fe/69Ga, E=430 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 64Fe deduced levels, J, π, configurations. Gammasphere array, comparison with shell model predictions. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.74.064313
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2006MO07      Phys.Rev. C 73, 035801 (2006)

F.Montes, A.Estrade, P.T.Hosmer, S.N.Liddick, P.F.Mantica, A.C.Morton, W.F.Mueller, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, A.Stolz, B.E.Tomlin, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder, W.B.Walters, A.Aprahamian, A.Wohr

β-decay half-lives and β-delayed neutron emission probabilities for neutron rich nuclei close to the N = 82 r-process path

RADIOACTIVITY 114,115Tc, 114,115,116,117,118Ru, 116,117,118,119,120,121Rh, 119,120,121,122,123,124Pd, 121,122,123,124Ag(β-) [from Be(136Xe, X)]; measured T1/2. 116,117,118,119,120Rh, 121,122,123Pd, 122,123,124Ag(β-n); measured β-delayed neutron emission probability. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.73.035801
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2006SK09      Phys.Atomic Nuclei 69, 1979 (2006)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Investigation of the 19Na Nucleus via Resonance Elastic Scattering

NUCLEAR REACTIONS 1H(18Ne, p), E=56 MeV; measured Ep, σ(θ), elastic scattering excitation function. 19Na deduced resonance energy, J, π. Astrophysical implications discussed.

doi: 10.1134/S1063778806120015
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1500.


2005BO36      Phys.Rev.Lett. 95, 132502 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Doppler Shift as a Tool for Studies of Isobaric Analog States of Neutron-Rich Nuclei: Application to 7He

NUCLEAR REACTIONS 1H(6He, γ), E < 24 MeV; measured Eγ, Iγ; deduced IAS formation σ, σ(θ). 7Li deduced resonance parameters. Doppler-shift analysis technique.

doi: 10.1103/PhysRevLett.95.132502
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2005BO49      Eur.Phys.J. A 25, Supplement 1, 259 (2005)

P.Boutachkov, G.V.Rogachev, V.Z.Goldberg, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Isobaric analog states of neutron-rich nuclei. Doppler shift as a measurement tool for resonance excitation functions

NUCLEAR REACTIONS 1H(6He, n), E not given; measured Doppler-shifted Eγ, Iγ. 7Li deduced resonance features, IAS.

doi: 10.1140/epjad/i2005-06-014-4
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2005HO08      Phys.Rev.Lett. 94, 112501 (2005)

P.T.Hosmer, H.Schatz, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr

Half-Life of the Doubly Magic r-Process Nucleus 78Ni

RADIOACTIVITY 75,76,77,78Ni, 77,78Cu(β-) [from Be(86Kr, X)]; measured T1/2. Astrophysical implications discussed.

doi: 10.1103/PhysRevLett.94.112501
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2005KA45      Eur.Phys.J. A 25, Supplement 1, 117 (2005)

T.Kautzsch, A.Wohr, W.B.Walters, K.-L.Kratz, B.Pfeiffer, M.Hannawald, J.Shergur, O.Arndt, S.Hennrich, S.Falahat, T.Griesel, O.Keller, A.Aprahamian, B.A.Brown, P.F.Mantica, M.A.Stoyer, H.L.Ravn, for the ISOLDE IS333 and Rochester CHICO/Gammasphere Collaborations

Structure of neutron-rich even-even 124, 126Cd

RADIOACTIVITY 124,126Ag(β-); measured Eγ, Iγ, γγ-coin following decay of mass-separated sources. 124,126Cd deduced levels, J, π. Comparison with shell-model predictions.

doi: 10.1140/epjad/i2005-06-197-6
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2005KR20      Eur.Phys.J. A 25, Supplement 1, 633 (2005)

K.-L.Kratz, B.Pfeiffer, O.Arndt, S.Hennrich, A.Wohr, and the ISOLDE/IS333/IS378/IS393 Collaborations

r-process isotopes in the 132Sn region

doi: 10.1140/epjad/i2005-06-157-2
Citations: PlumX Metrics


2005MO30      Nucl.Phys. A758, 643c (2005)

F.Montes, H.Schatz, A.Aprahamian, O.Arndt, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, P.Hosmer, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr

β-Decay Studies Close to the N=82 r-process Path

RADIOACTIVITY 119Rh(β-) [from Be(136Xe, X)]; measured T1/2.

doi: 10.1016/j.nuclphysa.2005.05.188
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2005RA09      Nucl.Phys. A752, 264c (2005)

D.C.Radford, C.Baktash, C.J.Barton, J.Batchelder, J.R.Beene, C.R.Bingham, M.A.Caprio, M.Danchev, B.Fuentes, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, D.J.Hartley, P.Hausladen, J.K.Hwang, W.Krolas, Y.Larochelle, J.F.Liang, P.E.Mueller, E.Padilla, J.Pavan, A.Piechaczek, D.Shapira, D.W.Stracener, R.L.Varner, A.Woehr, C.-H.Yu, N.V.Zamfir

Coulomb excitation and transfer reactions with rare neutron-rich isotopes

NUCLEAR REACTIONS C(126Sn, 126Sn'), (128Sn, 128Sn'), (130Sn, 130Sn'), (132Sn, 132Sn'), (134Sn, 134Sn'), (132Te, 132Te'), (134Te, 134Te'), (136Te, 136Te'), E not given; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 126,128,130,132,134Sn, 132,134,136Te deduced transitions B(E2). 9Be(134Te, 8Be), 13C(134Te, 12C), E not given; measured Eγ, Iγ, γγ-, (particle)γ-coin. 135Te deduced level. Clarion, Hyball arrays.

doi: 10.1016/j.nuclphysa.2005.02.040
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2005RA32      Eur.Phys.J. A 25, Supplement 1, 383 (2005)

D.C.Radford, C.Baktash, C.J.Barton, J.Batchelder, J.R.Beene, C.R.Bingham, M.A.Caprio, M.Danchev, B.Fuentes, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, M.L.Halbert, D.J.Hartley, P.Hausladen, J.K.Hwang, W.Krolas, Y.Larochelle, J.F.Liang, P.E.Mueller, E.Padilla, J.Pavan, A.Piechaczek, D.Shapira, D.W.Stracener, R.L.Varner, A.Woehr, C.-H.Yu, N.V.Zamfir

Coulomb excitation and transfer reactions with neutron-rich radioactive beams

NUCLEAR REACTIONS C(126Sn, 126Sn'), (128Sn, 128Sn'), (130Sn, 130Sn'), (132Te, 132Te'), (134Te, 134Te'), (136Te, 136Te'), E not given; measured Eγ, Iγ, γγ-, (particle)γ-coin following projectile Coulomb excitation. 132,134,136Te, 126,128,130Sn deduced excitation B(E2). 9Be(134Te, 8Be), 13C(134Te, 12C), E=4.3 MeV/nucleon; measured Eγ, Iγ, γγ-coin, (particle)γ-coin; deduced single-neutron transfer σ(E). 135Te deduced levels J, π.

doi: 10.1140/epjad/i2005-06-205-y
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2005RO37      Nucl.Instrum.Methods Phys.Res. B241, 977 (2005)

G.V.Rogachev, A.A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Isobaric analog states as a tool for spectroscopy of exotic nuclei

NUCLEAR REACTIONS 1H(8He, 8He), E not given; measured recoil proton spectrum; deduced excitation function. 1H(6He, 6Li), E not given; measured neutron spectrum, nγ-coin; deduced excitation function. 7,9Li deduced resonance parameters. 7,9He deduced analog states features.

doi: 10.1016/j.nimb.2005.07.157
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2005RO40      Eur.Phys.J. A 25, Supplement 1, 155 (2005)

A.P.Robinson, C.N.Davids, D.Seweryniak, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, C.Scholey, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr

Recoil decay tagging study of 146Tm

NUCLEAR REACTIONS 58Ni(92Mo, 3np), E not given; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 146Tm deduced levels, J, π. Gammasphere array, recoil-decay tagging.

RADIOACTIVITY 146Tm(p) [from 58Ni(92Mo, X)]; measured Eγ, Ep, T1/2 following proton decay from ground and excited states. 146Tm, 145Er deduced levels, J, π, configurations.

doi: 10.1140/epjad/i2005-06-143-8
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2005SC28      Eur.Phys.J. A 25, Supplement 1, 639 (2005)

H.Schatz, P.T.Hosmer, A.Aprahamian, O.Arndt, R.R.C.Clement, A.Estrade, K.-L.Kratz, S.N.Liddick, P.F.Mantica, W.F.Mueller, F.Montes, A.C.Morton, M.Ouellette, E.Pellegrini, B.Pfeiffer, P.Reeder, P.Santi, M.Steiner, A.Stolz, B.E.Tomlin, W.B.Walters, A.Wohr

The half-life of the doubly-magic r-process nucleus 78Ni

RADIOACTIVITY 78Ni(β-) [from 86Kr fragmentation]; measured T1/2. Comparison with model predictions, astrophysical implications discussed.

doi: 10.1140/epjad/i2005-06-069-1
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2005SE02      Phys.Rev.Lett. 94, 032501 (2005)

D.Seweryniak, P.J.Woods, M.P.Carpenter, T.Davinson, R.V.F.Janssens, D.G.Jenkins, T.Lauritsen, C.J.Lister, C.Ruiz, J.Shergur, S.Sinha, A.Woehr

Level Structure of 22Mg: Implications for the 21Na(p, γ)22Mg Astrophysical Reaction Rate and for the 22Mg Mass

NUCLEAR REACTIONS 12C(12C, 2n), E=52 MeV; measured Eγ, Iγ, (recoil)γ-coin. 22Mg deduced levels, J, π, mass excess. Implications for astrophysical reaction rate discussed. Gammasphere array.

doi: 10.1103/PhysRevLett.94.032501
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2005SE21      J.Phys.(London) G31, S1503 (2005)

D.Seweryniak, C.N.Davids, A.Robinson, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr

Proton decay: spectroscopic probe beyond the proton drip line

RADIOACTIVITY 130Eu, 135Tb, 145,146Tm(p); analyzed proton-decay data.

doi: 10.1088/0954-3899/31/10/021
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2005SE26      Eur.Phys.J. A 25, Supplement 1, 159 (2005)

D.Seweryniak, C.N.Davids, A.Robinson, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, N.Hammond, N.Hoteling, R.V.F.Janssens, T.L.Khoo, Z.Liu, G.Mukherjee, J.Shergur, S.Sinha, A.A.Sonzogni, W.B.Walters, A.Woehr

Particle-core coupling in the transitional proton emitters 145, 146, 147Tm

NUCLEAR REACTIONS 58Ni(92Mo, 2np), E=512 MeV; 58Ni(92Mo, 3np), E=460 MeV; 58Ni(92Mo, 4np), E=417 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 145,146,147Tm deduced levels, J, π, proton-decay features. Gammasphere array, recoil-decay tagging. Comparison with Particle Rotor model predictions.

RADIOACTIVITY 145Tm(p) [from 58Ni(92Mo, 4np)]; measured Ep, Eγ, pγ-coin.

doi: 10.1140/epjad/i2005-06-166-1
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2005SH23      Phys.Rev. C 71, 064321 (2005)

J.Shergur, A.Wohr, W.B.Walters, K.-L.Kratz, O.Arndt, B.A.Brown, J.Cederkall, I.Dillmann, L.M.Fraile, P.Hoff, A.Joinet, U.Koster, B.Pfeiffer

Level structure of odd-odd 134Sb populated in the β- decays of 134, 135Sn

RADIOACTIVITY 134Sn(β-); 135Sn(β-), (β-n); measured Eγ, Iγ, βγ-, γγ-coin. 134Sb deduced levels, J, π, β-decaying isomeric state. Mass separator, shell model calculations.

doi: 10.1103/PhysRevC.71.064321
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2005SH24      Phys.Rev. C 71, 064323 (2005)

J.Shergur, D.J.Dean, D.Seweryniak, W.B.Walters, A.Wohr, P.Boutachkov, C.N.Davids, I.Dillmann, A.Juodagalvis, G.Mukherjee, S.Sinha, A.Teymurazyan, I.Zartova

Identification of low-spin states in 111Sb: Test of spin-orbit coupling in light nuclei

RADIOACTIVITY 111Te(β+), (EC) [from 58Ni(56Fe, n2p)]; measured Eγ, Iγ, γγ-coin, T1/2. 111Sb deduced levels, J, π. Mass separator, comparisons with shell-model predictions and level systematics in neighboring isotopes.

doi: 10.1103/PhysRevC.71.064323
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2005SH36      Phys.Rev. C 72, 024305 (2005)

J.Shergur, A.Wohr, W.B.Walters, K.-L.Kratz, O.Arndt, B.A.Brown, J.Cederkall, I.Dillmann, L.M.Fraile, P.Hoff, A.Joinet, U.Koster, B.Pfeiffer

Identification of shell-model states in 135Sb populated via β- decay of 135Sn

RADIOACTIVITY 135Sn(β-) [from U(n, F)]; measured Eγ, Iγ, γγ-coin. 135Sb deduced levels, J, π. Resonance ionization, mass separator. Comparisons with shell-model predictions.

doi: 10.1103/PhysRevC.72.024305
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2005SH53      Eur.Phys.J. A 25, Supplement 1, 121 (2005)

J.Shergur, N.Hoteling, A.Wohr, W.B.Walters, O.Arndt, B.A.Brown, C.N.Davids, D.J.Dean, K.-L.Kratz, B.Pfeiffer, D.Seweryniak, and the ISOLDE Collaboration

New level information on Z = 51 isotopes, 111Sb60 and 134, 135Sb83, 84

RADIOACTIVITY 111Te(β+) [from 58Ni(56Fe, 2pn)]; 135Sn(β-), (β-n) [from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-coin following decay of mass-separated sources. 111,134,135Sb deduced levels, J, π. Comparison with model calculations.

doi: 10.1140/epjad/i2005-06-071-7
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2004RO20      Phys.Rev.Lett. 92, 232502 (2004)

G.V.Rogachev, P.Boutachkov, A.Aprahamian, F.D.Becchetti, J.P.Bychowski, Y.Chen, G.Chubarian, P.A.DeYoung, V.Z.Goldberg, J.J.Kolata, L.O.Lamm, G.F.Peaslee, M.Quinn, B.B.Skorodumov, A.Wohr

Analog States of 7He Observed via the 6He(p, n) Reaction

NUCLEAR REACTIONS 1H(6He, n), E=24 MeV; measured En, Eγ, nγ-coin; deduced excitation function. 7Li deduced levels, J, π, analog states. 7He deduced IAR features.

doi: 10.1103/PhysRevLett.92.232502
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2004RO42      Nucl.Phys. A746, 229c (2004)

G.V.Rogachev, A.Aprahamian, F.D.Becchetti, P.Boutachkov, Y.Chen, G.Chubarian, P.A.DeYoung, A.Fomichev, V.Z.Goldberg, M.S.Golovkov, J.J.Kolata, Yu.Ts.Oganessian, G.F.Peaslee, M.Quinn, A.Rodin, B.B.Skorodumov, R.S.Slepnev, G.Ter-Akopian, W.H.Trzaska, A.Wohr, R.Wolski

Structure of exotic 7He and 9He

NUCLEAR REACTIONS 1H(6He, n), E(cm) ≈ 1-3.3 MeV; 1H(8He, 8He), E* ≈ 15-20 MeV; measured σ(θ), excitation functions. 7,9Li, 7,9He deduced IAS features.

doi: 10.1016/j.nuclphysa.2004.09.036
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2004SE02      Phys.Lett. B 590, 170 (2004)

D.Seweryniak, P.J.Woods, B.Blank, M.P.Carpenter, T.Davinson, S.J.Freeman, J.Gorres, A.Heinz, R.V.F.Janssens, H.Mahmud, T.L.Khoo, Z.Liu, G.Mukherjee, E.Rehm, F.Sarazin, J.Shergur, M.Shawcross, S.Sinha, A.Woehr

Complete structure determination of the astrophysically important nucleus 20Na below the proton threshold

NUCLEAR REACTIONS 10B(12C, 2n), (12C, 2p), E=60 MeV; measured Eγ, Iγ, (recoil)γ-coin. 20Na, 20F deduced levels, J, π. Gammasphere array, mass separator.

doi: 10.1016/j.physletb.2004.03.090
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2004ST28      Nucl.Phys. A746, 54c (2004)

A.Stolz, A.Estrade, A.D.Davies, T.N.Ginter, P.T.Hosmer, E.Kwan, S.N.Liddick, P.F.Mantica, T.J.Mertzimekis, F.A.Montes, D.J.Morrissey, A.C.Morton, M.Ouellette, E.Pellegrini, P.Santi, H.Schatz, M.Steiner, A.E.Stuchbery, B.E.Tomlin, W.B.Walters, A.Woehr, O.Arndt, K.-L.Kratz, B.Pfeiffer, P.Reeder

Radioactive ion beams in the region of 100Sn and 78Ni at the NSCL

NUCLEAR REACTIONS Be, Ni, Nb(124Xe, X), E=140 MeV/nucleon; measured fragments isotopic yields, prompt and delayed (particle)γ-coin. Be(86Kr, X), E=140 MeV/nucleon; measured fragments isotopic yields; deduced evidence for 78Ni.

doi: 10.1016/j.nuclphysa.2004.09.017
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2004WO07      Phys.Rev. C 69, 051302 (2004)

P.J.Woods, P.Munro, D.Seweryniak, C.N.Davids, T.Davinson, A.Heinz, H.Mahmud, F.Sarazin, J.Shergur, W.B.Walters, A.Woehr

Proton decay of the highly deformed nucleus 135Tb

RADIOACTIVITY 135Tb(p) [from 92Mo(50Cr, 6np)]; measured Ep, T1/2. 135Tb deduced level J, π, configuration, deformation. Mass separator.

NUCLEAR REACTIONS 92Mo(50Cr, 6np), E=310 MeV; measured delayed Ep, (recoil)(decay)-coin; deduced production σ.

doi: 10.1103/PhysRevC.69.051302
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2004WO16      Nucl.Phys. A742, 349 (2004)

A.Wohr, A.Aprahamian, P.Boutachkov, J.L.Galache, J.Gorres, M.Shawcross, A.Teymurazyan, M.C.Wiescher, D.S.Brenner, C.N.Davids, S.M.Fischer, A.M.Heinz, R.V.F.Janssens, D.Seweryniak

The N = Z rp-process waiting-point nucleus 68Se and its astrophysical implications

RADIOACTIVITY 68Se(EC), (β+) [from 12C(58Ni, 2n)]; measured Eγ, Eβ, βγ-coin; deduced Q(EC). 68Se deduced mass excess. 68As deduced transitions. Fragment mass analyzer.

NUCLEAR REACTIONS 68Se, 69Br(p, γ), E not given; analyzed mass data; deduced reaction Q-values. Astrophysical implications discussed.

doi: 10.1016/j.nuclphysa.2004.06.024
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2003DI06      Phys.Rev.Lett. 91, 162503 (2003)

I.Dillmann, K.-L.Kratz, A.Wohr, O.Arndt, B.A.Brown, P.Hoff, M.Hjorth-Jensen, U.Koster, A.N.Ostrowski, B.Pfeiffer, D.Seweryniak, J.Shergur, W.B.Walters, and the ISOLDE Collaboration

N = 82 Shell Quenching of the Classical r-Process "Waiting-Point" Nucleus 130Cd

RADIOACTIVITY 130Cd(β-) [from U(n, F)]; measured Eγ, Eβ, γγ-, βγ-coin; deduced Qβ. 130In deduced levels, J, π, configurations, shell quenching. Astrophysical implications discussed. Resonance-ionization laser ion source.

doi: 10.1103/PhysRevLett.91.162503
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2003KU25      Eur.Phys.J. A 18, 5 (2003)

J.Kurpeta, A.Plochocki, A.N.Andreyev, J.Aysto, A.De Smet, H.De Witte, A.-H.Evensen, V.Fedoseyev, S.Franchoo, M.Gorska, M.Huhta, M.Huyse, Z.Janas, A.Jokinen, M.Karny, E.Kugler, W.Kurcewicz, U.Koster, J.Lettry, A.Nieminen, K.Partes, M.Ramdhane, H.L.Ravn, K.Rykaczewski, J.Szerypo, K.Van de Vel, P.Van Duppen, L.Weissman, G.Walter, A.Wohr, and the IS387 and ISOLDE Collaborations

The decay of the new neutron-rich isotope 217Bi

RADIOACTIVITY 217Bi(β-) [from 232Th, 238U(p, X)]; measured Eγ, Iγ, βγ-coin, T1/2, Qβ; deduced log ft. 217Po deduced levels. 217Po(α) [from 217Bi decay]; measured Eα, T1/2. Mass separator.

doi: 10.1140/epja/i2003-10065-7
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2003KU26      Eur.Phys.J. A 18, 31 (2003)

J.Kurpeta, A.Plochocki, A.N.Andreyev, J.Aysto, A.De Smet, H.De Witte, A.-H.Evensen, V.Fedoseyev, S.Franchoo, M.Gorska, H.Grawe, M.Huhta, M.Huyse, Z.Janas, A.Jokinen, M.Karny, E.Kugler, W.Kurcewicz, U.Koster, J.Lettry, A.Nieminen, K.Partes, M.Ramdhane, H.L.Ravn, K.Rykaczewski, J.Szerypo, K.Van de Vel, P.Van Duppen, L.Weissman, G.Walter, A.Wohr, and the IS387 and ISOLDE Collaborations

Isomeric and ground-state decay of 215Bi

RADIOACTIVITY 215mBi(IT), (β-); 215Bi(β-) [from 232Th, 238U(p, X)]; measured Eγ, Iγ, X-ray spectra, γγ-, βγ-, (X-ray)γ-coin; deduced log ft. 215Bi deduced levels, J, π, configurations, ICC, high-spin isomer T1/2. 215Po deduced levels, J, π, configurations. Mass separator.

doi: 10.1140/epja/i2003-10066-6
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2003RA18      Phys.Rev. C 67, 044602 (2003)

R.Raabe, A.Andreyev, M.Huyse, A.Piechaczek, P.Van Duppen, L.Weissman, A.Wohr, C.Angulo, S.Cherubini, A.Musumarra, D.Baye, P.Descouvemont, T.Davinson, A.Di Pietro, A.M.Laird, A.Ostrowski, A.Shotter, L.I.Galanina, N.S.Zelenskaya

2n-transfer contribution in the 4He(6He, 6He)4He cross section at Ec.m.=11.6 MeV

NUCLEAR REACTIONS 4He(6He, 6He), E=11.6 MeV; measured σ(θ); deduced two-neutron transfer contribution. DWBA and double-folding potential analysis.

doi: 10.1103/PhysRevC.67.044602
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2003SE16      Acta Phys.Pol. B34, 2419 (2003)

D.Seweryniak, C.N.Davids, A.Heinz, G.Mukherjee, P.J.Woods, T.Davinson, H.Mahmud, P.Munro, A.Robinson, J.J.Ressler, J.Shergur, W.B.Walters, A.Wohr

Proton emitters: A laboratory for detailed nuclear structure studies beyond the drip line


2002CU01      Phys.Lett. 529B, 42 (2002)

D.M.Cullen, M.P.Carpenter, C.N.Davids, A.M.Fletcher, S.J.Freeman, R.V.F.Janssens, F.G.Kondev, C.J.Lister, L.K.Pattison, D.Seweryniak, J.F.Smith, A.M.Bruce, K.Abu Saleem, I.Ahmad, A.Heinz, T.L.Khoo, E.F.Moore, G.Mukherjee, C.Wheldon, A.Woehr

Identification of Excited States in 140Dy

NUCLEAR REACTIONS 92Mo(54Fe, 2nα), E=245 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 140Dy deduced levels, possible J, π, rotational band, deformation, isomer T1/2, hindrance factor. 141Ho deduced proton-emitting states configurations. Fragment separator. Level systematics in neighboring nuclides discussed.

doi: 10.1016/S0370-2693(02)01222-4
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2002DI12      Eur.Phys.J. A 13, 281 (2002)

I.Dillmann, M.Hannawald, U.Koster, V.N.Fedoseyev, A.Wohr, B.Pfeiffer, D.Fedorov, J.Shergur, L.Weissman, W.B.Walters, K.-L.Kratz

Selective Laser Ionization of N ≥ 82 Indium Isotopes: The new r-process nuclide 135In

RADIOACTIVITY 135,134,133,132In(β-n) [from 238U(n, F)]; measured β-delayed neutron intensity vs time, T1/2. Comparison with RPA results, earlier data. ISOL method, laser ionization source.

doi: 10.1007/s10050-002-8756-7
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2002RA27      Nucl.Phys. A701, 387c (2002)

R.Raabe, L.Weissman, A.Andreyev, C.Angulo, D.Baye, W.Bradfield-Smith, S.Cherubini, T.Davinson, P.Descouvemont, A.Di Pietro, M.Huyse, A.M.Laird, W.F.Mueller, A.Musumarra, A.Ostrowski, A.Piechaczek, A.Shotter, G.Terwagne, P.Van Duppen, A.Wohr

Measurement of the 4He(6He, 6He)4He Cross Section with a 4He-Implanted Al Target

NUCLEAR REACTIONS 4He(6He, 6He), E=29.6 MeV; measured σ(θ). Target nuclei implanted in aluminum. Comparisons with previous results.

doi: 10.1016/S0375-9474(01)01616-5
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2002SE10      Phys.Rev. C 66, 051307 (2002)

D.Seweryniak, W.B.Walters, A.Woehr, M.Lipoglavsek, J.Shergur, C.N.Davids, A.Heinz, J.J.Ressler

Population of the 168-keV (g7/2) excited state in 103Sn in the α decay of 107Te

RADIOACTIVITY 107Te(α) [from 54Fe(58Ni, 3n2p)]; measured Eα, Eγ, αγ-coin; deduced branching ratio. 103Sn deduced excited state. Recoil separator. Comparison with model predictions.

NUCLEAR REACTIONS 54Fe(58Ni, 3nα), E=280 MeV; measured σ upper limit.

doi: 10.1103/PhysRevC.66.051307
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2002SH08      Phys.Rev. C65, 034313 (2002)

J.Shergur, B.A.Brown, V.Fedoseyev, U.Koster, K.L.Kratz, D.Seweryniak, W.B.Walters, A.Wohr, D.Fedorov, M.Hannawald, M.Hjorth-Jensen, V.Mishin, B.Pfeiffer, J.J.Ressler, H.O.U.Fynbo, P.Hoff, H.Mach, T.Nilsson, K.Wilhelmsen-Rolander, H.Simon, A.Bickley, and the ISOLDE Collaboration

β-Decay Studies of 135-137Sn using Selective Resonance Laser Ionization Techniques

RADIOACTIVITY 135,136,137Sn(β-), (β-n) [from U(p, X)]; measured β-delayed neutron spectra, Eγ, Iγ, γγ-coin, T1/2; deduced delayed neutron emission probabilities. 135Sb deduced levels, J, π, β-branching ratio. Resonance laser ionization, mass separator.

RADIOACTIVITY 137Sb(β-), (β-n); estimated T1/2 and %P(n) from extrapolation.

doi: 10.1103/PhysRevC.65.034313
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2001FR21      Phys.Rev. C64, 054308 (2001)

S.Franchoo, M.Huyse, K.Kruglov, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, A.Wohr, H.Grawe, K.-L.Kratz, B.Pfeiffer, W.B.Walters

Monopole Migration in 69, 71, 73Cu Observed from β Decay of Laser-Ionized 68-74Ni

RADIOACTIVITY 68,69,70,71,72,73,74Ni(β-) [from 238U(p, X)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2. 69,71,73Cu deduced levels, J, π, β-branching, configurations. Resonant laser ionization, electromagnetic mass separation.

NUCLEAR REACTIONS 238U(p, X)68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni, E=30 MeV; measured production rates; calculated σ. Resonant laser ionization, electromagnetic mass separation.

doi: 10.1103/PhysRevC.64.054308
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2001KA36      Nucl.Phys. A690, 367 (2001)

M.Karny, L.Batist, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, R.Grzywacz, A.Guglielmetti, M.Hellstrom, Z.Hu, Z.Janas, R.Kirchner, F.Moroz, A.Piechaczek, A.Plochocki, E.Roeckl, B.Rubio, K.Rykaczewski, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann, A.Wohr

Determination of the Gamow-Teller Strength Function for the Neutron-Deficient Isotopes 104-107In

RADIOACTIVITY 104,105,106,107In(EC), (β+) [from 50,52Cr(58Ni, xnyp)]; measured Eγ, Iγ; deduced β-intensity and β-strength distributions. Online mass separation, total absorption spectrometer.

NUCLEAR STRUCTURE 104,105,106,107In; calculated levels, Gamow-Teller strength. Shell model.

doi: 10.1016/S0375-9474(00)00694-1
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2001LH01      Phys.Rev. C63, 034316 (2001)

G.Lhersonneau, A.Wohr, B.Pfeiffer, K.-L.Kratz, and the ISOLDE Collaboration

First Decay Study of the Very Neutron-Rich Isotope 93Br

RADIOACTIVITY 93Br(β-) [from U(p, F)]; measured Eγ, Iγ(t), γγ-, (X-ray)γ-coin; deduced log ft. 93Kr deduced levels, possible J, π. Mass-separated source. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.63.034316
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2001LI56      Chin.Phys.Lett. 18, 1449 (2001)

W.-P.Liu, M.Hellstrom, R.Collatz, J.Benlliure, L.Chulkov, D.Cortina Gil, F.Farget, H.Grawe, Z.Hu, N.Iwasa, M.Pfutzner, A.Piechaczek, R.Raabe, I.Reusen, E.Roeckl, G.Vancraeynest, A.Wohr

Precise Determination of 40Ti Mass by Measuring the 40Sc Isospin Analogue State

RADIOACTIVITY 40Ti(EC) [from 9Be(58Ni, X)]; measured β-delayed proton spectra. 40Sc deduced IAS energy. 40Ti deduced mass.

doi: 10.1088/0256-307X/18/11/307
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2001SH12      Nucl.Phys. A682, 493c (2001)

J.Shergur, M.Hannawald, D.Seweryniak, H.Fynbo, U.Koester, A.Woehr, D.Fedorov, V.Fedoseyev, V.Mishin, P.Hoff, J.Ressler, A.Bickley, B.Pfeiffer, H.Simon, T.Nilsson, H.Mach, K.Wilhelmsen Rolander, H.Ravn, K.-L.Kratz, W.Walters, and the ISOLDE Collaboration

Decay of 135, 136Sn Isolated by Use of a Laser Ion Source and Evidence for a More Harmonic-Oscillator-Like Nuclear Potential

RADIOACTIVITY 135Sn(β-); measured Eβ, Eγ, β-delayed neutron spectra, T1/2. 136Sn(β-); measured T1/2. 134,135Sb deduced levels, J, π. Level systematics in neighboring nuclides discussed.

doi: 10.1016/S0375-9474(00)00678-3
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2001ST30      Hyperfine Interactions 136/137, 143 (2001)

N.J.Stone, J.Rikovska, P.Sun, A.Woehr

Quantum Barrier Penetration Studies with Oriented Nuclei: Proton and Neutron Emission from Exotic Isotopes

RADIOACTIVITY 137I(β-n); calculated β-delayed neutron spectrum, angular distribution. 147Tm(p); calculated proton angular distribution. Oriented nuclei.

doi: 10.1023/A:1020579931483
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2000HO32      Hyperfine Interactions 129, 141 (2000)

P.Hoff, P.Baumann, A.Huck, A.Knipper, G.Walter, G.Marguier, B.Fogelberg, A.Lindroth, H.Mach, M.Sanchez-Vega, R.B.E.Taylor, P.van Duppen, A.Jokinen, M.Lindroos, M.Ramdhane, W.Kurcewicz, B.Jonson, G.Nyman, Y.Jading, K.-L.Kratz, A.Wohr, G.Lovhoiden, T.F.Thorsteinsen, J.Blomqvist, and the ISOLDE Collaboration

Nuclear spectroscopy at 133Sn

RADIOACTIVITY 133,134In(β-), (β-n) [from 238U(p, F), E=1 GeV]; measured Eγ, Iγ, En, In, βγ-, γγ-, nγ-coin. 133Sn deduced levels, J, π, single particle levels and configurations. Comparisons with Shell Model calculations.

doi: 10.1023/A:1012661816716
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2000KA48      Eur.Phys.J. A 9, 201 (2000)

T.Kautzsch, W.B.Walters, M.Hannawald, K.-L.Kratz, V.I.Mishin, V.N.Fedoseyev, W.Bohmer, Y.Jading, P.Van Duppen, B.Pfeiffer, A.Wohr, P.Moller, I.Klockl, V.Sebastian, U.Koster, M.Koizumi, J.Lettry, H.L.Ravn, and the ISOLDE Collaboration

New States in Heavy Cd Isotopes and Evidence for Weakening of the N = 82 Shell Structure

RADIOACTIVITY 126,128,130Ag(β-) [from 238U(p, F)]; measured Eγ, Iγ, γγ-coin following decay of mass-separated sources. 126,128,130Cd deduced levels, J, π. Systematics of 2+, 4+ level energies in mass region discussed.

doi: 10.1007/s100500070038
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2000KU06      Eur.Phys.J. A 7, 49 (2000)

J.Kurpeta, A.Andreyev, J.Aysto, A.-H.Evensen, M.Huhta, M.Huyse, A.Jokinen, M.Karny, E.Kugler, J.Lettry, A.Nieminen, A.Plochocki, M.Ramdhane, H.L.Ravn, K.Rykaczewski, J.Szerypo, P.Van Duppen, G.Walter, A.Wohr, and the ISOLDE Collaboration

The Decay of the Neutron-Rich Nucleus 216Bi

RADIOACTIVITY 216Bi(β-) [from 232Th(p, X), E=1 GeV]; measured Eγ, Iγ(t), γγ-, βγ-coin. 216Po deduced levels, possible J, π. Mass separator, tape transport.

doi: 10.1007/s100500050010
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Data from this article have been entered in the XUNDL database. For more information, click here.


2000RI14      Phys.Rev.Lett. 85, 1392 (2000)

J.Rikovska, T.Giles, N.J.Stone, K.van Esbroeck, G.White, A.Wohr, M.Veskovic, I.S.Towner, P.F.Mantica, J.I.Prisciandaro, D.J.Morrissey, V.N.Fedoseyev, V.I.Mishin, U.Koster, W.B.Walters, and the NICOLE and ISOLDE Collaborations

First On-Line Beta-NMR on Oriented Nuclei: Magnetic dipole moments of the (νp1/2)-11/2- Ground State in 67Ni and (πp3/2)+13/2- Ground State in 69Cu

NUCLEAR MOMENTS 67Ni, 69Cu; measured Eβ, Iβ(θ) from low-temperature oriented nuclei as a function of NMR frequency. 67Ni, 69Cu deduced μ. Comparison with core polarization plus meson-exchange current calculations.

RADIOACTIVITY 67Ni, 69Cu(β-) [from 238U(p, F), E=1 GeV]; measured Eβ, Iβ(θ) from low-temperature oriented nuclei as a function of NMR frequency. 67Ni, 69Cu deduced μ. Comparison with core polarization plus meson-exchange current calculations.

doi: 10.1103/PhysRevLett.85.1392
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1999HA05      Phys.Rev.Lett. 82, 1391 (1999)

M.Hannawald, T.Kautzsch, A.Wohr, W.B.Walters, K.-L.Kratz, V.N.Fedoseyev, V.I.Mishin, W.Bohmer, B.Pfeiffer, V.Sebastian, Y.Jading, U.Koster, J.Lettry, H.L.Ravn, and the ISOLDE Collaboration

Decay of Neutron-Rich Mn Nuclides and Deformation of Heavy Fe Isotopes

RADIOACTIVITY 61,62,63,64,65,66,67,68,69Mn(β-); measured T1/2. 64,66Mn(β-); measured Eγ, Iγ, γγ-coin. 64,66Fe deduced levels, deformation.

NUCLEAR STRUCTURE Z=24-32; analyzed 2+, 4+ level systematics in even-even nuclides.

doi: 10.1103/PhysRevLett.82.1391
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1999RA15      Phys.Lett. 458B, 1 (1999)

R.Raabe, A.Piechaczek, A.Andreyev, D.Baye, W.Bradfield-Smith, S.Cherubini, T.Davinson, P.Descouvemont, A.Di Pietro, W.Galster, M.Huyse, A.M.Laird, J.McKenzie, W.F.Mueller, A.Ostrowski, A.Shotter, P.Van Duppen, A.Wohr

Elastic 2n-Transfer in the 4He(6He, 6He)4He Scattering

NUCLEAR REACTIONS 4He(6He, 6He), E(cm)=11.6-15.9 MeV; measured elastic σ(θ); deduced contribution from 2n-transfer process. Double folding potential.

doi: 10.1016/S0370-2693(99)00586-9
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0173.


1999RE06      Phys.Rev. C59, 2416 (1999)

I.Reusen, A.Andreyev, J.Andrzejewski, N.Bijnens, S.Franchoo, M.Huyse, Yu.Kudryavtsev, K.Kruglov, W.F.Mueller, A.Piechaczek, R.Raabe, K.Rykaczewski, J.Szerypo, P.Van Duppen, L.Vermeeren, J.Wauters, A.Wohr

β-Decay Study of 54, 55Ni Produced by an Element-Selective Laser Ion Source

RADIOACTIVITY 54,55Ni(β+) [from 54Fe(3He, xnyp)]; measured Eγ, Iγ(t), βγ-coin. 54,55Ni deduced T1/2, β-decay Gamow-Teller strengths. 54Co deduced excited state β-decay Gamow-Teller strength. Element-selective laser ion source.

doi: 10.1103/PhysRevC.59.2416
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1095.


1998FR15      Phys.Rev.Lett. 81, 3100 (1998)

S.Franchoo, M.Huyse, K.Kruglov, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, A.Wohr, K.-L.Kratz, B.Pfeiffer, W.B.Walters

Beta Decay of 68-74Ni and Level Structure of Neutron-Rich Cu Isotopes

RADIOACTIVITY 68,69,70,71,72,73,74Ni(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 69,71,73Cu deduced levels, possible J, π. Laser ion guide, on-line mass seperator.

NUCLEAR REACTIONS, ICPND 238U(p, F)68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni, E=30 MeV; measured production σ.

doi: 10.1103/PhysRevLett.81.3100
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0814. Data from this article have been entered in the XUNDL database. For more information, click here.


1998KA42      Nucl.Phys. A640, 3 (1998)

M.Karny, L.Batist, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, R.Grzywacz, A.Guglielmetti, M.Hellstrom, Z.Hu, Z.Janas, R.Kirchner, F.Moroz, A.Piechaczek, A.Plochocki, E.Roeckl, B.Rubio, K.Rykaczewski, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann, A.Wohr

Beta Decay of 103In: Evidence for the Gamow-Teller resonance near 100Sn

RADIOACTIVITY 103In(β+), (EC) [from 50Cr(58Ni, xpyn)]; measured Eγ, Iγ; deduced β-intensity, β-strength distribution. On-line mass separation, total absorption spectrometer, NaI(Tl) detectors, Ge-, Si-detectors.

NUCLEAR STRUCTURE 103Cd, 103In; calculated levels, Gamow-Teller strength. Shell model.

doi: 10.1016/S0375-9474(98)00437-0
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1998LI46      Phys.Rev. C58, 2677 (1998)

W.Liu, M.Hellstrom, R.Collatz, J.Benlliure, L.Chulkov, D.Cortina Gil, F.Farget, H.Grawe, Z.Hu, N.Iwasa, M.Pfutzner, A.Piechaczek, R.Raabe, I.Reusen, E.Roeckl, G.Vancraeynest, A.Wohr

β Decay of 40Ti and 41Ti and Implication for Solar-Neutrino Detection

RADIOACTIVITY 40,41Ti(β+) [from 9Be(58Ni, X)]; measured Iβ, β-delayed proton spectra, γ spectra, pγ-coin, T1/2. 40,41Sc deduced levels, B(F)+B(GT) strength distributions. 40Ar deduced neutrino-induced events rates. FRS separator.

doi: 10.1103/PhysRevC.58.2677
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1997LI25      Z.Phys. A359, 1 (1997)

W.Liu, M.Hellstrom, R.Collatz, J.Benlliure, L.Chulkov, D.Cortina Gil, F.Farget, H.Grawe, Z.Hu, N.Iwasa, M.Pfutzner, A.Piechaczek, R.Raabe, I.Reusen, E.Roeckl, G.Vancraeynest, A.Wohr

β-Decay of 40Ti

RADIOACTIVITY 40Ti(β+) [from 9Be(58Ni, X), E=550 MeV/nucleon]; measured T1/2, β-delayed Ep, Ip, Eγ, Iγ, pγ-coin. 40Sc levels deduced J, π, Iβ, Fermi, Gamow-Teller strength functions. 40Ar deduced neutrino absorption σ. 39Ca levels deduced proton branching.

doi: 10.1007/s002180050355
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1997SZ04      Z.Phys. A359, 117 (1997)

J.Szerypo, R.Grzywacz, Z.Janas, M.Karny, M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Zylicz, M.Huyse, G.Reusen, J.Schwarzenberg, P.Van Duppen, A.Woehr, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, K.Schmidt, L.Batist, A.Bykov, V.Wittman, B.A.Brown

Decay Properties of Ground-State and Isomer of 103In

RADIOACTIVITY 103In(β+)(EC) [from 50Cr(58Ni, 2n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay; deduced log ft, Gamow-Teller strength. 103mIn(IT) [from 50Cr(58Ni, 2n3p), E=5.9 MeV/nucleon]; measured T1/2. 101In(β+) [from 50Cr(58Ni, 4n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay, T1/2. 103Cd deduced levels. Shell model calculations.

doi: 10.1007/s002180050376
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1997WO06      Nucl.Phys. A621, 289c (1997)

A.Wohr, A.Andreev, N.Bijnens, J.Breitenbach, S.Franchoo, M.Huyse, Y.A.Kudryavtsev, A.Piechaczek, R.R.Raabe, G.Reusen, L.Vermeeren, P.Van Duppen

Can the Waiting-Point Nucleus 78Ni be Studied at an On-Line Mass-Separator ( Question )

NUCLEAR REACTIONS, ICPND 54Fe(3He, 2n), E=27 MeV; 54Fe(3He, 3n), E=45 MeV; measured residuals production σ. 238U(p, F)113Rh/69Ni/71Ni/73Ni, E=65 MeV; measured residuals production rates following fission; deduced 78Ni production related features. Laser ion guide facility.

RADIOACTIVITY 54Ni [from 54Fe(3He, 3n), E=45 MeV]; 55Ni [from 54Fe(3He, 2n), E=27 MeV]; measured T1/2.

doi: 10.1016/S0375-9474(97)00257-1
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1996HO16      Phys.Rev.Lett. 77, 1020 (1996)

P.Hoff, P.Baumann, A.Huck, A.Knipper, G.Walter, G.Marguier, B.Fogelberg, A.Lindroth, H.Mach, M.Sanchez-Vega, R.B.E.Taylor, P.Van Duppen, A.Jokinen, M.Lindroos, M.Ramdhane, W.Kurcewicz, B.Jonson, G.Nyman, Y.Jading, K.-L.Kratz, A.Wohr, G.Lovhoiden, T.F.Thorsteinsen, J.Blomqvist, and the ISOLDE Collaboration

Single-Neutron States in 133Sn

RADIOACTIVITY 133,134In(β-), (β-n) [from 238U(p, F), E=1 GeV]; measured Eγ, γγ-, βγ-coin, β-delayed neutron spectrum, T1/2, β-delayed neutron probability. 133Sn deduced levels, J, π, single particle levels, configurations. Comparison with Shell Model results.

doi: 10.1103/PhysRevLett.77.1020
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1996KA40      Phys.Rev. C54, R2811 (1996)

T.Kautzsch, W.B.Walters, V.N.Fedoseyev, Y.Jading, A.Jokinen, I.Klockl, K.-L.Kratz, V.I.Mishin, H.L.Ravn, P.Van Duppen, A.Wohr, and the ISOLDE Collaboration

Laser Ionization of 124Ag and Its Decay to Levels of 124Cd

RADIOACTIVITY 124Ag(β-) [from U(p, X), E=1 GeV]; measured Eγ, Iγ. 124Cd deduced levels, possible J, π. Chemically selective laser ion source, UC2-C target. Anharmonic vibration model.

doi: 10.1103/PhysRevC.54.R2811
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1996KU34      Nucl.Instrum.Methods Phys.Res. B114, 350 (1996)

Y.Kudryavtsev, J.Andrzejewski, N.Bijnens, S.Franchoo, J.Gentens, M.Huyse, A.Piechaczek, J.Szerypo, H.Reusen, P.Van Duppen, P.Van Den Bergh, L.Vermeeren, J.Wauters, A.Wohr

Beams of Short Lived Nuclei Produced by Selective Laser Ionization in a Gas Cell

doi: 10.1016/0168-583X(96)00194-2
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1995FE12      Z.Phys. A353, 9 (1995)

V.N.Fedoseyev, Y.Jading, O.C.Jonsson, R.Kirchner, K.-L.Kratz, M.Krieg, E.Kugler, J.Lettry, T.Mehren, V.I.Mishin, H.L.Ravn, T.Rauscher, H.L.Ravn, F.Scheerer, O.Tengblad, P.Van Duppen, A.Wohr, and the ISOLDE Collaboration

Study of Short-Lived Silver Isotopes with a Laser Ion Source

RADIOACTIVITY 121,122,123,124,125,126,127Ag(β-n); measured β-decay T1/2. Neutron long counter, β-detector, ionization of Ag ions by two resonant excitations, final laser ionization into the continuum, chemically selective laser ion source.


1995LH03      Z.Phys. A351, 357 (1995)

G.Lhersonneau, B.Pfeiffer, M.Huhta, A.Wohr, I.Klockl, K.-L.Kratz, J.Aysto, and the ISOLDE Collaboration

First Evidence for the 2+ Level in the Very Neutron-Rich Nucleus 102Sr

RADIOACTIVITY 102Rb(β-) [from U(p, X), E=1 GeV]; 102Sr(β-) [from 102Rb-decay]; measured βγ(t), γγ-coin, γγ(t). 102Sr deduced level, J, π, deformation features. 102Y deduced first excited level of ground state band, T1/2 estimate.

doi: 10.1007/BF01291137
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1995SC24      Z.Phys. A352, 237 (1995)

S.Schoedder, G.Lhersonneau, A.Wohr, G.Skarnemark, J.Alstad, A.Nahler, K.Eberhardt, J.Aysto, N.Trautmann, K.-L.Kratz

Level Lifetimes in Neutron-Rich Ru Isotopes

NUCLEAR REACTIONS 249Cf(n, F), E=thermal; measured βγ(t) following fission product decay. 106,107,108,109,110Ru levels deduced T1/2, deformation parameters in some cases.

doi: 10.1007/BF01289492
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1995SO03      Nucl.Phys. A583, 763c (1995)

O.Sorlin, D.Guillemaud-Mueller, R.Anne, L.Axelsson, D.Bazin, W.Bohmer, V.Borrel, Y.Jading, H.Keller, K.-L.Kratz, M.Lewitowicz, S.M.Lukyanov, T.Mehren, A.C.Mueller, Yu.E.Penionzhkevich, F.Pougheon, M.G.Saint-Laurent, V.S.Salamatin, S.Shoedder, A.Wohr

Beta-Decay Studies of Far from Stability Nuclei Near N = 28

RADIOACTIVITY 43P, 42,44,45S, 44,45,46Cl, 47Ar(β-n) [from 64Ni(48Ca, X), E=60 MeV/nucleon]; measured β-decay T1/2, β-delayed neutron emission probabilities.

doi: 10.1016/0375-9474(94)00755-C
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1993SO06      Phys.Rev. C47, 2941 (1993)

O.Sorlin, D.Guillemaud-Mueller, A.C.Mueller, V.Borrel, S.Dogny, F.Pougheon, K.-L.Kratz, H.Gabelmann, B.Pfeiffer, A.Wohr, W.Ziegert, Yu.E.Penionzhkevich, S.M.Lukyanov, V.S.Salamatin, R.Anne, C.Borcea, L.K.Fifield, M.Lewitowicz, M.G.Saint-Laurent, D.Bazin, C.Detraz, F.-K.Thielemann, W.Hillebrandt

Decay Properties of Exotic N ≈ 28 S and Cl Nuclei and the 48Ca/46Ca Abundance Ratio

RADIOACTIVITY 44S, 45,46,47Cl(β-) [from 64Ni(48Ca, X), E=60 MeV/nucleon]; measured β-decay T1/2, neutron emission probabilities; deduced solar system 48Ca/46Ca abundance ratio implications. Model comparison.

doi: 10.1103/PhysRevC.47.2941
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1991KR15      Z.Phys. A340, 419 (1991)

K.-L.Kratz, H.Gabelmann, P.Moller, B.Pfeiffer, H.L.Ravn, A.Wohr, and the ISOLDE Collaboration

Neutron-Rich Isotopes Around the r-Process ' Waiting-Point ' Nuclei 7929Cu50 and 8030Zn50

RADIOACTIVITY 74,75,76,77,78,79Cu, 79,80,81Zn, 79,80,81,82,83,84Ga, 84,85Ge, 85As(β-n); measured β-delayed neutron decay T1/2, emission probabilities. On-line mass separation, sources from 238U(p, X), E=600 MeV.

doi: 10.1007/BF01290331
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1990KR04      Z.Phys. A336, 357 (1990)

K.-L.Kratz, V.Harms, W.Hillebrandt, B.Pfeiffer, F.-K.Thielemann, A.Wohr

Origin of the Odd-Even Staggering in the A ≈ 80 Solar R-Abundance Peak

NUCLEAR STRUCTURE A=75-85; analyzed β-delayed n-branching in decay; deduced r-abundances features.


1989KR02      Z.Phys. A332, 419 (1989)

K.-L.Kratz, B.Pfeiffer, A.Wohr, P.Moller

Calculation of Beta-Decay Properties of Neutron-Rich Nickel Isotopes

RADIOACTIVITY 73,74,75,76,77,78,79,80,81,82Ni(β-n); calculated neutron emission probabilities, β-decay T1/2. RPA.


1989WO09      Z.Phys. A334, 491 (1989)

K.Wolke, V.Harms, H.W.Becker, J.W.Hammer, K.L.Kratz, C.Rolfs, U.Schroder, H.P.Trautvetter, M.Wiescher, A.Wohr

Helium Buring of 22Ne

NUCLEAR REACTIONS, ICPND 22Ne(α, γ), (α, nγ), E=0.71-2.25 MeV; measured σ(Eγ, E), γ yields, σ(En); deduced reaction rates. 26Mg deduced resonances, γ-branching ratios, J, π, transition strengths. Enriched gas target.

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1122.


1988KR08      J.Phys.(London) G14, Supplement S331 (1988)

K.-L.Kratz, F.-K.Thielemann, W.Hillebrandt, P.Moller, V.Harms, A.Wohr, J.W.Truran

Constraints on r-Process Conditions from Beta-Decay Properties Far Off Stability and r-Abundances

NUCLEAR STRUCTURE 130Cd, 80Zn; analyzed β-decay data; deduced A ≈ 130, 80 r-abundances. Shell model imput.

doi: 10.1088/0305-4616/14/S/034
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1988KR12      Phys.Rev. C38, 278 (1988)

K.-L.Kratz, V.Harms, A.Wohr, P.Moller

Gamow-Teller Decay of 80Zn: Shell structure and astrophysical implications

RADIOACTIVITY 80Zn(β-); calculated T1/2, Pn, log ft; deduced t-process models implications. Nilsson model, RPA method.

doi: 10.1103/PhysRevC.38.278
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