Cold-fission yields at effective excitation energies

  • The experimental cold-fission yields for the system 233U(nth, f) are analyzed as function of the effective total excitation energy (TXE). The nuclear level density effect is taken into account at higher TXE, in order to benefit by the lower experimental data uncertainty as well as to avoid the quantitative account of the level densities close to fragment ground states. In this way the odd-even staggering which appears in the yields extrapolated at zero excitation energy by using the level densities, vanishes. We conclude that the cold nuclear fragmentation theory including the dynamical model describes well the experimental data.

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Author:Vlad-Gabriel Avrigeanu, Adrian Florescu, Aurel Săndulescu, Walter GreinerGND
Parent Title (German):Physical Review. C
Document Type:Article
Date of Publication (online):2006/07/14
Year of first Publication:1995
Publishing Institution:Universitätsbibliothek Johann Christian Senckenberg
Release Date:2006/07/14
First Page:1755
Last Page:1759
Source:Physical Review C 52(4), S. R1755-R1759 (1995), ©1995 The American Physical Society,
Institutes:Physik / Physik
Dewey Decimal Classification:5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
PACS-Classification:20.00.00 NUCLEAR PHYSICS / 21.00.00 Nuclear structure (for nucleon structure, see 14.20.Dh Properties of protons and neutrons; 13.40.-f for electromagnetic processes and properties; 13.60.Hb for deep-inelastic structure functions) / 21.10.-k Properties of nuclei; nuclear energy levels (for properties of specific nuclei listed by mass ranges, see section 27) / 21.10.Ma Level density
20.00.00 NUCLEAR PHYSICS / 23.00.00 Radioactive decay and in-beam spectroscopy / 23.70.+j Heavy-particle decay
20.00.00 NUCLEAR PHYSICS / 25.00.00 Nuclear reactions: specific reactions / 25.85.-w Fission reactions / 25.85.Ec Neutron-induced fission
Licence (German):License LogoDeutsches Urheberrecht