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Investigation of lifetimes in dipole bands of 141Eu |
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| Authors: | E O Podsvirova R M Lieder A A Pasternak S Chmel W Gast Ts Venkova H M Jäger L Mihailescu G de Angelis D R Napoli A Gadea D Bazzacco R Menegazzo S Lunardi W Urban Ch Droste T Morek T Rzaca-Urban G Duchêne |
| Institution: | (1) Institut für Kernphysik, Forschungszentrum Jülich, D-52425 Jülich, Germany;(2) A.F. Ioffe Physical Technical Institute RAS, RU-194021 St. Petersburg, Russia;(3) Institut für Strahlen- und Kernphysik, University of Bonn, D-53115 Bonn, Germany;(4) Institute of Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, BG-1784 Sofia, Bulgaria;(5) Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy;(6) Dipartimento di Fisica dell Universitá and Istituto Nazionale di Fisica Nucleare, Sezione di Padova, I-35131 Padova, Italy;(7) Institute of Experimental Physics, University of Warsaw, PL-00-681 Warszawa, Poland;(8) Institut de Recherches Subatomique IReS, F-67037 Strasbourg, France |
| Abstract: | Lifetimes have been measured for dipole bands in 141Eu using DSAM. The deduced B(M1) and B(E2) values as well as B(M1)/B(E2) ratios are compared with calculations in the framework of the TAC (Tilted Axis Cranking) and SPAC (Shears mechanism with Principal Axis Cranking) models. The dipole bands can be interpreted as magnetic rotational bands.Received: 6 April 2004, Revised: 14 May 2004, Published online: 13 July 2004PACS:
21.10.-k Properties of nuclei; nuclear energy levels - 21.10.Re Collective levels - 21.10.Tg Lifetimes - 27.60. + j
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