Cold fission as cluster decay with dissipation

For cold (neutronless) fission we consider an analytical model of quantum tunneling with dissipation through a barrier U(q) evaluated with a M3Y nucleon-nucleon force. We calculate the tunneling spectrum, i.e., the fissi
For cold (neutronless) fission we consider an analytical model of quantum tunneling with dissipation through a barrier U(q) evaluated with a M3Y nucleon-nucleon force. We calculate the tunneling spectrum, i.e., the fission rate as a function of the total kinetic energy of the fragments. The theoretical results are compared with the experimental data obtained for the fine structure of two cold fission modes of 252Cf: 148Ba+104Mo and 146Ba+106Mo. Taking into account the dissipative coupling of the potential function U(q) and of the momentum p with all the other neglected coordinates, we obtain a remarkable agreement with the experimental data. We conclude that the cold fission process is a spontaneous decay with a spectrum determined by the shape of the barrier and an amplitude depending on the strength of the dissipative coupling.
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Metadaten
Author:E. Stefanescu, Werner Scheid, Aurel Săndulescu, Walter Greiner
URN:urn:nbn:de:hebis:30-30083
Document Type:Article
Language:English
Date of Publication (online):2006/07/14
Year of first Publication:1996
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/07/14
Source:Physical Review C 53(6), S. 3014-3021 (1996), ©1996 The American Physical Society, http://link.aps.org/abstract/PRC/v53/p3014
HeBIS PPN:265703344
Institutes:Physik
Dewey Decimal Classification:530 Physik
PACS-Classification:03.65.Sq Semiclassical theories and applications
24.75.+i General properties of fission
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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