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NSR database version of April 11, 2024.

Search: Author = W.Spreng

Found 8 matches.

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1988FA07      Nucl.Phys. A485, 327 (1988)

C.Fahlander, A.Backlin, L.Hasselgren, A.Kavka, V.Mittal, L.E.Svensson, B.Varnestig, D.Cline, B.Kotlinski, H.Grein, E.Grosse, R.Kulessa, C.Michel, W.Spreng, H.J.Wollersheim, J.Stachel

Quadrupole Collective Properties of 114Cd

NUCLEAR REACTIONS 114Cd(16O, 16O'), E=45 MeV; 114Cd(40Ca, 40Ca'), E=122 MeV; 114Cd(58Ni, 58Ni'), E=184 MeV; 114Cd(208Pb, 208Pb'), E=916 MeV; measured ppγ(θ) following Coulomb excitation. 114Cd levels deduced B(E2), quadrupole moment. Enriched targets.

doi: 10.1016/0375-9474(88)90106-6
Citations: PlumX Metrics


1986DE36      Z.Phys. A325, 457 (1986)

F.W.N.de Boer, H.J.Wollersheim, H.Emling, H.Grein, E.Grosse, W.Spreng, G.Eckert, Th.W.Elze, K.Stelzer, Ch.Lauterbach

Nucleon Transfer Reactions to Rotational States Induced by 206,208Pb Projectiles

NUCLEAR REACTIONS 152Sm, 160Gd, 232Th(206Pb, 206Pb'γ), (208Pb, 208Pb'γ); 152Sm(208Pb, 207Pb), (208Pb, 209Pb), 232Th(206Pb, 207Pb), (206Pb, 208Pb), E=4.3-6.4 MeV/nucleon; measured γ spectra, yields, σ; deduced reaction parameters, neutron binding energies. 160Gd, 152Sm, 232Th levels deduced populating probabilites. Particle-γ coincidence techniques. Semi-classical models.


1985AG01      Z.Phys. A320, 295 (1985)

Y.K.Agarwal, C.Gunther, K.Hardt, P.Schuler, J.Stachel, H.J.Wollersheim, H.Emling, E.Grosse, R.Kulessa, W.Spreng

Multiple Coulomb Excitation of 202Hg and 204Hg

NUCLEAR REACTIONS 202,204Hg(208Pb, 208Pb'), E=5 MeV/nucleon; measured Eγ, Iγ, γ yields following Coulomb excitation. 202,204Hg deduced levels, relative γ yield, B(E2).

doi: 10.1007/BF01881278
Citations: PlumX Metrics


1985AZ01      Z.Phys. A320, 699 (1985)

F.Azgui, H.Emling, W.Spreng, H.J.Wollersheim, R.Kulessa, T.Byrski, F.A.Beck, G.J.Costa, J.Dudek, B.Haas, C.Gehringer, J.C.Merdinger, R.Seltz, J.P.Vivien, W.Nazarewicz

Long-Lived High Spin States in 156Er: Signature for prolate-to-oblate shape transition

NUCLEAR REACTIONS 123Sb(37Cl, 4n), E=158-160 MeV; measured γ spectra, recoil. 156Er deduced levels, J, π, T1/2, configurations.

doi: 10.1007/BF01411877
Citations: PlumX Metrics


1985AZ02      Nucl.Phys. A439, 573 (1985)

F.Azgui, H.Emling, E.Grosse, C.Michel, R.S.Simon, W.Spreng, H.J.Wollersheim, T.L.Khoo, P.Chowdhury, D.Frekers, R.V.F.Janssens, A.Pakkanen, P.J.Daly, M.Kortelahti, D.Schwalm, G.Seiler-Clark

Feeding Times of High-Spin States in 152,154Dy: Probes of nuclear structure above the yrast line

NUCLEAR REACTIONS 25Mg(134Xe, 5n), (132Xe, 5n), E=686 MeV; 124Sn(34S, 4n), E=146 MeV; 122Sn(34S, 4n), E=160 MeV; measured Eγ, Iγ, recoil distance. 152,154Dy deduced levels, T1/2, feeding times, quadrupole transition probabilities. Ge detectors, NaI(Tl) arrays, sum spectrometer, plunger, pulsed, beam.

doi: 10.1016/0375-9474(85)90426-9
Citations: PlumX Metrics


1985PE01      Phys.Rev.Lett. 54, 306 (1985)

J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, M.Diebel, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker, S.Aberg

Population of Triaxial Rotor Levels in 182Os

NUCLEAR REACTIONS 48Ca, 48,50Ti(136Xe, X), E=4.3-4.8 MeV/nucleon; measured Eγ, Iγ. 182Os deduced isomer, J, T1/2, decay characteristics, K selection rule violation, yrast configuration triaxiality.

doi: 10.1103/PhysRevLett.54.306
Citations: PlumX Metrics


1985PE07      Z.Phys. A321, 567 (1985)

J.Pedersen, B.B.Back, S.Bjornholm, J.Borggreen, G.Sletten, F.Azgui, H.Emling, H.Grein, G.Seiler-Clark, W.Spreng, H.J.Wollersheim, P.Walker

High-Spin Isomers in W and Os Nuclei; Competition between K-quantization and triaxiality

NUCLEAR REACTIONS 48Ca, 48,50Ti(136Xe, X), E=584-647 MeV; measured Eγ, Iγ, γ(t). 178,180W, 182,183,180Os deduced levels, K, J, π, γ-branching, isomers.

doi: 10.1007/BF01432431
Citations: PlumX Metrics


1983SP03      Phys.Rev.Lett. 51, 1522 (1983)

W.Spreng, F.Azgui, H.Emling, E.Grosse, R.Kulessa, Ch.Michel, D.Schwalm, R.S.Simon, H.J.Wollersheim, M.Mutterer, J.P.Theobald, M.S.Moore, N.Trautmann, J.L.Egido, P.Ring

First Observation of Backbending in an Actinide Nucleus

NUCLEAR REACTIONS 242,244Pu(208Pb, 208Pb'), E=5.1, 5.3 MeV/nucleon; measured Coulomb excitation, Doppler shifted γ-spectra, Eγ. 242,244Pu deduced levels, J, π, yrast transitions, backbending, proton shell alignment effects. Microscopic calculations.

doi: 10.1103/PhysRevLett.51.1522
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