Fission Before K Statistical Equilibration

Chin. Phys. Lett.

1995, Vol. 12

Issue (11): 653-656 DOI:

Original Articles

Fission Before K Statistical Equilibration

LIU Zuhua

China Institute of Atomic Energy, Beijing 102413

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LIU Zuhua 1995 Chin. Phys. Lett. 12 653-656

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Abstract For the reaction systems with α < α_BG, the fissioning nucleus goes through saddle-point to fission with some memories of the entrance-channel plane. In these cases, by taking the relaxation process of K degree of freedom into account, the varience of K distribution, σ²_k is obtained. It is shown that σ²_k exponentially depends on the square of the angular momentum, J² for the reaction systems with α < α_BG.Therefore, we have put forward a new version of preequilibrium fission model, and shown the experimental evidence for this new fission mechanism.

Keywords: 25.70.Jj

Published: 01 November 1995

PACS:

25.70.Jj

(Fusion and fusion-fission reactions)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1995/V12/I11/0653

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