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

  • Nuclei
  • Theory
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Abstract

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.

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  1. Voronezh State University, Voronezh, Russia

    S. G. Kadmensky

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  1. S. G. Kadmensky
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Kadmensky, S.G. The quantum and thermodynamical characteristics of fission taking into account adiabatic and nonadiabatic modes of motion. Phys. Atom. Nuclei 70, 1628–1633 (2007). https://doi.org/10.1134/S1063778807090220

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  • DOI: https://doi.org/10.1134/S1063778807090220

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