EPJ Web of Conferences
Volume 62, 2013Fission 2013 – Fifth International Workshop on Nuclear Fission and Fission Product Spectroscopy
|Number of page(s)||6|
|Section||Spectroscopy of Fission Fragments|
|Published online||20 December 2013|
High-spin studies and nuclear structure in three semi-magic regions of the chart: High-seniority states in Sn isotopes
CSNSM, IN2P3-CNRS and Université Paris-Sud, 91405 Orsay, France
a e-mail: Alain.Astier@csnsm.in2p3.fr
Published online: 20 December 2013
Two fusion-fission experiments have been performed and studied with the Euroball Ge array: 12C+ 238U at 90 MeV bombarding energy, and 18O + 208Pb at 85 MeV. Among the lot of new information extracted during the last decade, the latest results discussed here are the discovery of the high-spin states of 119–126Sn. The maximum value of angular momentum available in the νh11/2 shell, i.e. for mid-occupation and the breaking of the three neutron pairs (seniority v = 6), has been identified in several tin isotopes. It is the first time that such high-seniority states are established in spherical nuclei.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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