Coulomb excitation of re-accelerated 208Rn and 206Po beams
1 Department of Physics, University of Jyväskylä, P. O. Box 35, FI-40014 Jyväskylä, Finland
2 Helsinki Institute of Physics, P. O. Box 64, FI-00014, Helsinki, Finland
3 Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
4 Wright Nuclear Structure Laboratory, Yale University, P.O. Box 208120, New Haven, CT 06520-8120, U.S.A.
5 Department of Physics, Oliver Lodge Laboratory, University of Liverpool, Liverpool, L69 7ZE, United Kingdom
6 Institut für Kernphysik, TU Darmstadt, 64289 Darmstadt, Germany
7 Instituut voor Kern- en Stralingsfysica, Department of Physics, KU Leuven, 3001 Leuven, Belgium
8 CERN-ISOLDE, PH Department, CERN, CH-1211 Geneva 23, Switzerland
9 CEA-Saclay, 91191 Gif-sur-Yvette, France
10 Institute of Physics, Slovak Academy of Sciences, Dubravska cesta 9, 845 11 Bratislava 45, Slovak Republic
11 Department of Physics, University of York, Heslington, York, YO10 5DD, United Kingdom
12 University of Geneva, Bd du Pont-d’Arve 40, 1211 Genéve, Switzerland
a e-mail: email@example.com
Published online: 19 December 2013
In the present study, B(E2; 2+ → 0+) values have been measured in the 208Rn and 206Po nuclei through Coulomb excitation of re-accelerated radioactive beams in inverse kinematics at CERN-ISOLDE. The resulting B(E2; 2+ → 0+) in 208Rn is ∼ 0.08 e2b2. These nuclei lie in, or at the boundary of the region where seniority scheme should persist. However, contributions from collective excitations may be present when moving away from the N = 126 shell closure. To date, surprisingly little is known of the transition probabilities between the low-spin states in this region.
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