Importance of the inner potential barrier in nuclear spontaneous cold fission processes

S. B. Duarte, O. A. P. Tavares, and M. Gonçalves
Phys. Rev. C 56, 3414 – Published 1 December 1997
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Abstract

The relevance of the inner part of the potential barrier in an effective model to describe the prescission phase in nuclear disintegration processes is discussed under the assumption of spherical fragments. Although for the alpha decay process the inner part of the potential barrier is small, this is not the case for heavier cluster radioactivity and spontaneous cold fission processes. For the latter one, we remark that the molecular phase cannot be neglected in calculating Gamow’s penetrability factor used to obtain cold fission yields and half lives.

  • Received 14 August 1997

DOI:https://doi.org/10.1103/PhysRevC.56.3414

©1997 American Physical Society

Authors & Affiliations

S. B. Duarte and O. A. P. Tavares

  • Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290-180, Rio de Janeiro-RJ, Brazil

M. Gonçalves

  • Instituto de Radioproteção e Dosimetria, Av. Salvador Allende s/n, 22780-160, Rio de Janeiro, Brazil

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Vol. 56, Iss. 6 — December 1997

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