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NSR database version of April 26, 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, T_1/2, 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, T_1/2, 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, T_1/2, 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
Citations: PlumX Metrics