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Title: The quantum and thermodynamical characteristics of fission taking into account adiabatic and nonadiabatic modes of motion

Journal Article · · Physics of Atomic Nuclei
 [1]
  1. Voronezh State University (Russian Federation), E-mail: kadmensky@phys.vsu.ru

In the framework of the quantum theory of spontaneous and low-energy induced fission, the nature of quantum and thermodynamical properties of a fissioning system is analyzed taking into account adiabatic and nonadiabatic modes of motion for different fission stages. It is shown that, owing to the influence of the Coriolis interaction, the states of the fissile nucleus and of primary fission products are cold and strongly nonequilibrium. The important role of superfluid and pairing nucleon-nucleon correlations for binary and ternary fission is demonstrated. The mechanism of pumping of high values of relative orbital momenta and spins of fission fragments for binary and ternary fission and the nonevaporation mechanism of formation of third particles for ternary fission are investigated. The anisotropies and P-odd, P-even, and T-odd asymmetries for angular distributions of fission products are analyzed.

OSTI ID:
21077617
Journal Information:
Physics of Atomic Nuclei, Vol. 70, Issue 9; Other Information: DOI: 10.1134/S1063778807090220; Copyright (c) 2007 Nauka/Interperiodica; Article Copyright (c) 2007 Pleiades Publishing, Ltd; Country of input: International Atomic Energy Agency (IAEA); ISSN 1063-7788
Country of Publication:
United States
Language:
English