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NSR database version of May 30, 2024.

Search: Author = T.Ramsoy

Found 23 matches.

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1996TV01      Phys.Rev.Lett. 76, 1035 (1996)

T.S.Tveter, J.J.Gaardhoje, A.Maj, T.Ramsoy, A.Atac, J.Bacelar, A.Bracco, A.Buda, F.Camera, B.Herskind, W.Korten, W.Krolas, A.Menthe, B.Million, H.Nifenecker, M.Pignanelli, J.A.Pinston, H.van der Ploeg, F.Schussler, G.Sletten

Collective Dipole Motion in Highly Excited 272Hs (Z = 108) Nuclei

NUCLEAR REACTIONS 232Th(40Ar, xn), E=10.5, 15 MeV/nucleon; measured γ(fragment)-coin, γ-anisotropy, evaporation residue neutron decay times. 272Hs deduced GDR decay characteristics.

doi: 10.1103/PhysRevLett.76.1035
Citations: PlumX Metrics

1996TV02      Nucl.Phys. A599, 123c (1996)

T.S.Tveter, J.J.Gaardhoje, A.Maj, T.Ramsoy, A.Atac, J.Bacelar, A.Bracco, A.Buda, F.Camera, B.Herskind, W.Korten, W.Krolas, A.Menthe, B.Million, H.Nifenecker, M.Pignanelli, J.A.Pinston, H.van der Ploeg, F.Schussler, G.Sletten

Collective Motion in Hot Superheavy Nuclei

NUCLEAR REACTIONS 232Th(40Ar, xn), E=10.5, 15 MeV/nucleons; measured γ spectra, anisotropies, (fragment)γ-coin. 272Hs deduced GDR strength characteristics.

doi: 10.1016/0375-9474(96)00054-1
Citations: PlumX Metrics

1995BR11      Phys.Rev.Lett. 74, 3748 (1995)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.J.Gaardhoje, A.Maj, T.Ramsoy, T.Tveter, Z.Zelazny

Increase in Width of the Giant Dipole Resonance in Hot Nuclei: Shape change or collisional damping ( Question )

NUCLEAR REACTIONS 62,61Ni(48Ti, X), E=223, 203 MeV; measured γ(θ), strength function. 109,110Sn deduced GDR, Γ.

doi: 10.1103/PhysRevLett.74.3748
Citations: PlumX Metrics

1995BR19      Acta Phys.Pol. B26, 407 (1995)

A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.J.Gaardhoje, T.Ramsoy, T.Tveter, Z.Zelazny, A.Maj

The Damping of the GDR at Finite Temperature: Recent progress

NUCLEAR REACTIONS 70Zn(36Ar, X), E=27 MeV/nucleon; 62,61Ni(48Ti, X), E=203, 223 MeV; 148Nd(28Si, X), E=147 MeV; compiled, reviewed γ-spectra data; deduced GDR damping, other characteristic vs T for mass 110, 170. Hot rotating nuclei.

1995MA54      Acta Phys.Pol. B26, 417 (1995)

A.Maj, T.S.Tveter, J.J.Gaardhoje, B.Herskind, G.Sletten, T.Ramsoy, A.Atac, W.Korten, A.Bracco, F.Camera, M.Mattiuzzi, B.Million, M.Pignanelli, J.Bacelar, A.Buda, H.van der Ploeg, W.Krolas, H.Nifenecker, F.Schussler, J.A.Pinston, A.Menthe, P.Paul, D.J.Hofman, I.Dioszegi, S.Schadmand

Hot Superheavy Nuclei Seen with the GDR γ-Decay

NUCLEAR REACTIONS 232Th(40Ar, F), E=6.8-15 MeV/nucleon; 232Th(37Cl, F), E=7.3 MeV/nucleon; measured fission (fragment)γ-coin. 272Hs, 269Bh deduced GDR γ-decay features. Other reaction data, aspects reviewed.

1995MA84      Phys.Lett. 364B, 13 (1995)

M.Mattiuzzi, A.Bracco, F.Camera, B.Million, M.Pignanelli, J.J.Gaardhoje, A.Maj, T.Ramsoy, T.Tveter, Z.Zelazny

Thermal Fluctuation and Collisional Damping Effects in the GDR Observables in Hot Rotating 176W Nuclei

NUCLEAR REACTIONS 148Nd(28Si, X), E=147 MeV; measured γγ-coin, Eγ, Iγ. 176W deduced GDR width, thermal fluctuation, collisional damping effects role.

doi: 10.1016/0370-2693(95)01230-5
Citations: PlumX Metrics

1994CA11      Nucl.Phys. A572, 401 (1994)

F.Camera, A.Bracco, B.Million, M.Pignanelli, J.J.Gaardhoje, Z.Zelazny, T.Ramsoy, A.Maj

Large Effects of Orientation Fluctuations in the Angular Distribution of the GDR Photons

NUCLEAR REACTIONS 148Nd(17O, xnpα), E=70 MeV; 148Nd(18O, xnpα), E=78 MeV; 150Nd(17O, xnpα), E=85 MeV; 158Gd(17O, xnpα), E=74 MeV; 160Gd(16O, xnpα), E=85 MeV; 94Mo(16O, xnpα), E=85 MeV; measured σ(Eγ, θ), Iγ(θ). 165,166,167Er, 175,176Hf, 110Sn deduced GDR features, shape, orientation fluctuations role, effective nuclear deformation. Hot nuclei.

doi: 10.1016/0375-9474(94)90182-1
Citations: PlumX Metrics

1994ZE01      Nucl.Phys. A569, 1c (1994)

Z.Zelazny, J.J.Gaardhoje, A.Maj, T.S.Tveter, T.Ramsoy, W.Korten, A.Bracco, F.Camera, M.Matiuzzi, B.Million, M.Pignanelli

Some Open Problems in Hot GDR Spectroscopy

NUCLEAR REACTIONS 114Cd(48Ti, X), E=225 MeV; analyzed γ-spectra fold distribution, Iγ data; deduced shape degrees of freedom equilibration features. Other data reviewed.

doi: 10.1016/0375-9474(94)90091-4
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1993KO08      Z.Phys. A344, 475 (1993)

W.Korten, M.J.Piiparinen, A.Atac, R.A.Bark, B.Herskind, T.Ramsoy, G.Sletten, J.Gerl, H.Hubel, P.Willsau, B.Cederwall, L.O.Norlin, B.Fant

On the Decay of the Superdeformed Band in 194Pb

NUCLEAR REACTIONS 164Dy(34S, 4n), E=160 MeV; measured γγ-coin. 194Pb deduced levels, J, π, superdeformed band decay features.

1993PI01      Phys.Rev.Lett. 70, 150 (1993)

M.Piiparinen, P.Kleinheinz, J.Blomqvist, A.Virtanen, A.Atac, D.Muller, J.Nyberg, T.Ramsoy, G.Sletten

Two- to One -Phonon E3 Transition Strength in 148Gd

NUCLEAR REACTIONS 133Cs(19F, 4n), E=73.5 MeV; measured Eγ, Iγ, decay time. 148Gd deduced levels, J, π, mean T1/2, B(λ), configuration.

doi: 10.1103/PhysRevLett.70.150
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1991GU04      Nucl.Phys. A531, 370 (1991)

M.Guttormsen, A.Atac, K.Klungland, S.Messelt, T.Ramsoy, J.Rekstad, T.S.Tveter, Z.Zelazny

Gross Properties of Statistical γ-Decay in 172Yb

NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 172Yb deduced γ-ray multiplicity, statistical γ-decay features. Enriched target, Ge, NaI, Si detectors.

doi: 10.1016/0375-9474(91)90617-F
Citations: PlumX Metrics

1990GU14      Phys.Scr. T32, 54 (1990)

M.Guttormsen, A.Atac, G.Lovhoiden, S.Messelt, T.Ramsoy, J.Rekstad, T.F.Thorsteinsen, T.S.Tveter, Z.Zelazny

Statistical Gamma-Decay at Low Angular Momentum

NUCLEAR REACTIONS 170Yb, 162Dy(3He, 3He'), 173Yb, 162Dy(3He, α), E=45 MeV; measured γ(ejectile)-coin; deduced γ-emission mechanism.

doi: 10.1088/0031-8949/1990/T32/010
Citations: PlumX Metrics

1989ZE01      Nucl.Phys. A499, 100 (1989)

Z.Zelazny, T.S.Tveter, A.Atac, M.Guttormsen, T.Ramsoy, J.Rekstad

First-Generation γ-Rays from Highly-Excited Even Rare-Earth Nuclei

NUCLEAR REACTIONS 161,163Dy, 171,173Yb(3He, α), E=45 MeV; measured σ(Eα, Eγ), γ(θ), Eγ, Iγ, αγ-coin. 160,162Dy, 170,172Yb deduced first generation γ-ray transitions, branching ratios. Enriched targets, Ge, NaI, Si counters. Fermi-gas model analysis.

doi: 10.1016/0375-9474(89)90271-6
Citations: PlumX Metrics

1988BA32      Phys.Scr. 37, 843 (1988)

T.Batsch, J.Kownacki, Z.Zelazny, M.Guttormsen, T.Ramsoy, J.Rekstad

Particle-Core Multiplets in 89Y

NUCLEAR REACTIONS 87Rb(α, 2n), E=24-34 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). 89Y deduced levels, J, π, configuration.

doi: 10.1088/0031-8949/37/6/001
Citations: PlumX Metrics

1987AT01      Nucl.Phys. A472, 269 (1987)

A.Atac, J.Rekstad, M.Guttormsen, S.Messelt, T.Ramsoy, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

The Decay of Hot Dysprosium Nuclei

NUCLEAR REACTIONS 162,163Dy(3He, xnα), E=45 MeV; measured σ(Eα), Eγ, Iγ, αγ-coin. 162,161,160,159,158Dy deduced γ-multiplicity, neutron energy, α-spectra. Enriched targets, Ge, NaI, Si detectors. Fermi-gas model analysis.

doi: 10.1016/0375-9474(87)90210-7
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1987GU08      Nucl.Instrum.Methods Phys.Res. A255, 518 (1987)

M.Guttormsen, T.Ramsoy, J.Rekstad

The First Generation of γ-Rays from Hot Nuclei

NUCLEAR REACTIONS 171Yb, 163Dy(3He, α), E=45 MeV; measured Eγ, Iγ; deduced excitation energy independence of unfolding technique.

doi: 10.1016/0168-9002(87)91221-6
Citations: PlumX Metrics

1987RA16      Nucl.Phys. A470, 79 (1987)

T.Ramsoy, A.Atac, T.Engeland, M.Guttormsen, J.Rekstad, G.Lovhoiden, T.F.Thorsteinsen, J.S.Vaagen

Particle-Vibration Coupled States in 161Dy

NUCLEAR REACTIONS 161Dy(3He, 3He'), E=32 MeV; measured σ(E), Eγ, Iγ, 3Heγ-coin. 161Dy deduced levels, J, π. Particle-core model calculations. Ge, Si counters, enriched target.

doi: 10.1016/0375-9474(87)90121-7
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1987RE09      Nucl.Phys. A470, 397 (1987)

J.Rekstad, A.Atac, M.Guttormsen, T.Ramsoy, J.B.Olsen, F.Ingebretsen, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

Reaction Dependence and Cross Structure of the γ-Decay of Highly Excited States in the Rare Earth Nucleus 162Dy

NUCLEAR REACTIONS 163Dy(3He, α), 162Dy(3He, 3He'), E=45 MeV; measured γ(particle)-coin. 162Dy deduced yrast-transition characsteristics.

doi: 10.1016/0375-9474(87)90009-1
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1986GU03      Phys.Scr. 33, 385 (1986)

M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, J.B.Olsen, T.Ramsoy, J.Rekstad, L.A.Ronning, G.Lovhoiden, T.Rodland, T.F.Thorsteinsen

Statistical γ-Decay in s-d Shell Nuclei

NUCLEAR REACTIONS 27Al(3He, α), (3He, 3He'), (3He, t), E=45 MeV; measured σ(Eα), σ(E(3He')), σ(Et), γ(particle)-coin. 26,27Al, 27Si deduced γ-multiplicity. Fermi gas model.

doi: 10.1088/0031-8949/33/5/001
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1986RE18      Phys.Scr. 34, 644 (1986)

J.Rekstad, M.Guttormsen, A.Atac, F.Ingebretsen, S.Messelt, T.Ramsoy, T.F.Thorsteinsen, G.Lovhoiden, T.Rodland

Structure and Decay Properties of Low-Spin States at High Excitation Energy

NUCLEAR REACTIONS 161,163Dy(d, t), E=15 MeV; measured σ(Et), Eγ, Iγ, γγ-coin. 160,162Dy deduced levels, decay characteristics. Other data input, ΔE-E telescopes, Ge, NaI detectors.

doi: 10.1088/0031-8949/34/6A/020
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1985RA07      Nucl.Phys. A438, 301 (1985)

T.Ramsoy, J.Rekstad, M.Guttormsen, A.Henriquez, F.Ingebretsen, T.Rodland, T.F.Thorsteinsen, G.Lovhoiden

γ-Decay from Two-Quasiparticle States Populated in the 161,163Dy(d, t) Reactions

NUCLEAR REACTIONS 161,163Dy(d, t), E=15 MeV; measured σ(E(t)), Eγ, Iγ, γ(t). 160,162Dy deduced levels, J, π, γ-multiplicity. Enriched targets.

doi: 10.1016/0375-9474(85)90377-X
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0543.

1984RA03      Nucl.Phys. A414, 269 (1984)

T.Ramsoy, J.Rekstad, A.Henriquez, F.Ingebretsen, M.Guttormsen, E.Hammaren, T.F.Thorsteinsen

Deep-Lying νh11/2 Hole States in 145Nd

NUCLEAR REACTIONS 146Nd(3He, α), E=26 MeV; measured σ(Eγ, θ), Eγ, Iγ, γα-coin. 145Nd deduced levels, γ-ray multiplicity, level density, spectroscopic strength. Enriched target, Ge(Li), NaI(Tl), Si detectors. Fermi gas model analysis.

doi: 10.1016/0375-9474(84)90644-4
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1983HE19      Phys.Lett. 130B, 171 (1983)

A.Henriquez, J.Rekstad, F.Ingebretsen, M.Guttormsen, K.Eldhuset, B.Nordmoen, T.Ramsoy, R.Renstrom-Pedersen, R.M.Aasen

The Decay from the Two-Quasiparticle Regime in Even-Even Deformed Rare Earth Nuclei

NUCLEAR REACTIONS 171Yb, 161Dy(3He, α), E=26 MeV; measured Eγ, Iγ, αγ-coin, αγ(θ). 170Yb, 160Dy deduced ground state band transition, dipole character, initial, final state configurations. Two-quasiparticle scheme.

doi: 10.1016/0370-2693(83)91035-3
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