EPJ Web of Conferences
Volume 62, 2013Fission 2013 – Fifth International Workshop on Nuclear Fission and Fission Product Spectroscopy
|Number of page(s)||7|
|Published online||13 December 2013|
The even-odd effect in fission-fragment Z yields – a new kind of nuclear clock
CENBG, CNRS/IN2P3, Chemin du Solarium, BP. 120, 33175 Gradignan, France
a e-mail: firstname.lastname@example.org
Published online: 13 December 2013
A model for the even-odd effect in fission based on statistical mechanics is presented. It reveals that the variation of the even-odd effect with the mass of the fissioning nucleus and the increase towards asymmetric splits is due to the important statistical weight of configurations where the light fission fragment populates the ground state of an even-even nucleus. This implies that excitation energy and unpaired nucleons are predominantly transferred to the heavy fragment. Our results indicate that the time for transfer of excitation energy and nucleons is shorter than the saddle-to-scission time.
© 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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