New perspective on complex cluster radioactivity of heavy nuclei

Zhongzhou Ren, Chang Xu, and Zaijun Wang
Phys. Rev. C 70, 034304 – Published 14 September 2004

Abstract

Experimental data of complex cluster radioactivity (C14Si34) are systematically analyzed and investigated with different models. The half-lives of cluster radioactivity are well reproduced by a new formula between half-lives and decay energies and by a microscopic density-dependent cluster model with the renormalized M3Y nucleon-nucleon interaction. The formula can be considered as a natural extension of both the Geiger-Nuttall law and the Viola-Seaborg formula from simple α decay to complex cluster radioactivity where different kinds of clusters are emitted. It is useful for experimentalists to analyze the data of cluster radioactivity. A new linear relationship between the decay energy of cluster radioactivity and the number of α particles in the cluster is found where the increase of decay energy for an extra α particle is between 15 and 17 MeV. The possible physics behind this new linear relationship is discussed.

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  • Received 15 June 2004

DOI:https://doi.org/10.1103/PhysRevC.70.034304

©2004 American Physical Society

Authors & Affiliations

Zhongzhou Ren1,2, Chang Xu1, and Zaijun Wang1

  • 1Department of Physics, Nanjing University, Nanjing 210008, China
  • 2Center of Theoretical Nuclear Physics, National Laboratory of Heavy-Ion Accelerator, Lanzhou 730000, China

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Issue

Vol. 70, Iss. 3 — September 2004

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