Proton radioactivity from proton-rich nuclei

F. Guzmán; M. Gonçalves; O. A. P. Tavares; S. B. Duarte; F. García; O. Rodríguez

doi:10.1103/PhysRevC.59.R2339

Rapid Communication

Proton radioactivity from proton-rich nuclei

F. Guzmán, M. Gonçalves, O. A. P. Tavares, S. B. Duarte, F. García, and O. Rodríguez

Phys. Rev. C 59, R2339(R) – Published 1 May 1999

Abstract

Half-lives for proton emission from proton-rich nuclei have been calculated by using the effective liquid drop model of heavy-particle decay of nuclei. It is shown that this model is able to offer results for spontaneous proton-emission half-life values in excellent agreement with the existing experimental data. Predictions of half-life values for other possible proton-emission cases are presented for null orbital angular momentum.

Received 12 February 1999

DOI:https://doi.org/10.1103/PhysRevC.59.R2339

Authors & Affiliations

F. Guzmán and M. Gonçalves^*

Instituto Superior de Ciências y Tecnologia Nucleares—ISCTN, Av. Salvador Allende y Luaces, Apartado Postal 6163, La Habana, Cuba

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

Centro Brasileiro de Pesquisas Físicas—CBPF/CNPq, Rua Dr. Xavier Sigaud 150, 22290-180 Rio de Janeiro—RJ, Brazil

F. García^† and O. Rodríguez^†

Instituto de Física, Universidade de São Paulo, Caixa Postal 66318, 05315-970, São Paulo—SP, Brazil

^*Permanent address: Instituto de Radioproteção e Dosimetria, Av. Salvador Allende s/n, 22780-160 Rio de Janeiro—RJ, Brazil. Author to whom correspondence should be addressed: telo@ird.gov.br
^†Permanent address: Instituto Superior de Ciências y Tecnologia Nucleares—ISCTN, Av. Salvador Allende y Luaces, Apartado Postal 6163, La Habana, Cuba.

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Vol. 59, Iss. 5 — May 1999

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Physical Review C

covering nuclear physics