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NSR database version of May 22, 2024.

Search: Author = R.C.de Haan

Found 7 matches.

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2018AP03      Phys.Rev. C 98, 034303 (2018)

A.Aprahamian, R.C.de Haan, S.R.Lesher, C.Casarella, A.Stratman, H.G.Borner, H.Lehmann, M.Jentschel, A.M.Bruce

Lifetime measurements in 156Gd

NUCLEAR REACTIONS 155Gd(n, γ), E=thermal; measured Eγ, Iγ, level half-lives by GRID technique for the broadening of decay γ-ray lines using GAMS4 double-flat-crystal spectrometer at the Institut Laue-Langevin (ILL-Grenoble) High Flux Reactor. 156Gd; deduced levels, J, π, B(E2), B(E1), intrinsic quadrupole moments, dynamic moments of inertia of the K=0+, 2+, 4+ bands. Systematics of levels, two-neutron and two-proton pairing gaps in 154,156,158,160Gd. Comparison with previous experimental values, and with partial dynamical symmetry (PDS), and 5DCH predictions.

doi: 10.1103/PhysRevC.98.034303
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2003DO01      Phys.Rev. C 67, 014315 (2003)

J.Doring, R.A.Kaye, A.Aprahamian, M.W.Cooper, J.Daly, C.N.Davids, R.C.de Haan, J.Gorres, S.R.Lesher, J.J.Ressler, D.Seweryniak, E.J.Stech, A.Susalla, S.L.Tabor, J.Uusitalo, W.B.Walters, M.Wiescher

Rotational and vibrational excitations in 84Zr studied through in-beam and 84Nb β-decay spectroscopy

NUCLEAR REACTIONS 59Co(28Si, 2np), E=99 MeV; 58Ni(32S, 2pα), E=135 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 84Zr deduced levels, J, π, rotational and vibrational excitations, deformation. Comparison with level systematics in neighboring nuclides.

RADIOACTIVITY 84Nb(EC) [from 58Ni(28Si, np)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced log ft. 84Zr deduced levels, J, π. Mass-separated source.

doi: 10.1103/PhysRevC.67.014315
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2002AP02      Phys.Rev. C65, 031301 (2002)

A.Aprahamian, R.C.de Haan, H.G.Borner, H.Lehmann, C.Doll, M.Jentschel, A.M.Bruce, R.Piepenbring

Lifetime Measurements of Excited Kπ = 0+ Bands in 178Hf

NUCLEAR REACTIONS 177Hf(n, γ), E=thermal; measured Eγ, Iγ, Doppler shifts. 178Hf deduced levels T1/2, B(E2), configurations. Gamma-ray induced Doppler broadening technique, double flat crystal spectrometer.

doi: 10.1103/PhysRevC.65.031301
Citations: PlumX Metrics


2000DE26      J.Res.Natl.Inst.Stand.Technol. 105, 125 (2000)

R.C.de Haan, A.Aprahamian, H.G.Borner, C.Doll, M.Jentschel, A.M.Bruce, S.R.Lesher

Lifetime Measurements in 178Hf

NUCLEAR REACTIONS Hf(n, X)178Hf, E=reactor; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), vibrational excitations. Gamma-ray induced Doppler broadening technique.

doi: 10.6028/jres.105.016
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1999AP02      J.Phys.(London) G25, 685 (1999)

A.Aprahamian, R.C.de Haan, S.R.Lesher, J.Doring, A.M.Bruce, H.G.Borner, M.Jentschel, H.Lehmann

Collective Kπ = 0+ Vibrational Excitations in 178Hf

NUCLEAR REACTIONS 177Hf(n, γ), E=thermal; measured Eγ, Iγ. 178Hf deduced levels T1/2, B(E2), collective effects. Gamma-ray induced Doppler broadening technique.

doi: 10.1088/0954-3899/25/4/020
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1999DO01      Phys.Rev. C59, 59 (1999)

J.Doring, A.Aprahamian, R.C.de Haan, J.Gorres, H.Schatz, M.Wiescher, W.B.Walters, L.T.Brown, C.N.Davids, C.J.Lister, D.Seweryniak

Radioactive Decay of 80Y and Low-Lying States in 80Sr

RADIOACTIVITY 80Y(β+), (EC) [from 24Mg(58Ni, np), E=190 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2; deduced log ft. 80Sr deduced levels, J, π, configurations. TRS calculations, comparisons with nearby isotopes, isotones. HPGe, LEPS, scintillation detectors.

doi: 10.1103/PhysRevC.59.59
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1998DO04      Phys.Rev. C57, 1159 (1998)

J.Doring, H.Schatz, A.Aprahamian, R.C.de Haan, J.Gorres, M.Wiescher, W.B.Walters, J.Rikovska, L.T.Brown, C.N.Davids, C.J.Lister, D.Seweryniak, B.Foy

New Isomer in 80Y

NUCLEAR REACTIONS 24Mg(58Ni, np), E=190 MeV; measured Eγ, Iγ(t), γγ-, βγ-coin. 80Y deduced levels J, π, configurations, isomeric states T1/2, β-branching ratio. Fragment mass analyzer. Cranked shell model, particle-rotor calculations, TRS plots.

RADIOACTIVITY 80Y(β+), (EC) [from 24Mg(58Ni, np)]; measured Eγ, Iγ(t), βγ-coin; deduced T1/2, branching ratios.

doi: 10.1103/PhysRevC.57.1159
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