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          Institute: MPI für Kernphysik     Collection: Nuclear Physics and Nuclear Probes     Display Documents

ID: 31845.0, MPI für Kernphysik / Nuclear Physics and Nuclear Probes
Magnetic and collective rotation in Br-79
Authors:Schwengner, R.; Donau, F.; Servene, T.; Schnare, H.; Reif, J.; Winter, G.; Kaubler, L.; Prade, H.; Skoda, S.; Eberth, J.; Thomas, H. G.; Becker, F.; Fiedler, B.; Freund, S.; Kasemann, S.; Steinhardt, T.; Thelen, O.; Härtlein, T.; Ender, C.; Köck, F.; Reiter, P.; Schwalm, D.
Date of Publication (YYYY-MM-DD):2002-04
Title of Journal:Physical Review C
Journal Abbrev.:Phys. Rev. C
Issue / Number:4
Start Page:044326
End Page:044326
Sequence Number of Article:044326
Review Status:Peer-review
Audience:Experts Only
Abstract / Description:Excited states of the nucleus Br-79 were investigated via the reaction Ge-76(Li-7,4n) at a beam energy of 35 MeV. Coincidence data of emitted gamma rays were measured with an arrangement of six EUROBALL CLUSTER detectors. The E2 bands built on the 9/2(+) and 3/2(-) states were extended up to J=37/2 at Eapproximate to8.8 MeV. The M1 band starting with a 15/2(-) state at 2.6 MeV was observed up to J=(29/2) at E=6.4 MeV. Crossover E2 transitions within this band were observed for the first time. Mean lifetimes of 17 levels were deduced using the Doppler-shift-attenuation method. The M1 band can be described within the tilted-axis-cranking model on the basis of the tilted three-quasiparticle configuration pi(g(9/2)) nu(g(9/2)) nu(fp) which has a triaxial shape. This band appears as a mixed case including contributions of both magnetic and collective rotation.
External Publication Status:published
Document Type:Article
Affiliations:MPI für Kernphysik/Group D. Schwalm/Acceleration and Storage Techniques (R. v. Hahn, R. Repnow, M. Grieser)
External Affiliations:Forschungszentrum Rossendorf EV, Inst Kern & Hadronenphys, D-01314 Dresden, Germany; Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany
Identifiers:ISI:000175186200047 [ID No:1]
ISSN:0556-2813 [ID No:2]
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