Fine structure of α decay to rotational states of heavy nuclei

Y. Z. Wang, J. M. Dong, B. B. Peng, and H. F. Zhang
Phys. Rev. C 81, 067301 – Published 3 June 2010

Abstract

To gain a better insight into α-decay fine structure, we calculate the relative intensities of α decay to 2+ and 4+ rotational states in the framework of the generalized liquid drop model (GLDM) and improved Royer’s formula. The calculated relative intensities of α decay to 2+ states are in good agreement with the experimental data. For the relative intensities of α decay to 4+ states, a good agreement with experimental data is achieved for Th and U isotopes. The formula we obtain is useful for the analysis of experimental data of α-decay fine structure. In addition, some predicted relative intensities which are still not measured are provided for future experiments.

  • Figure
  • Received 26 April 2010

DOI:https://doi.org/10.1103/PhysRevC.81.067301

©2010 American Physical Society

Authors & Affiliations

Y. Z. Wang1,*, J. M. Dong1,2,3,4, B. B. Peng1,5, and H. F. Zhang4

  • 1China Institute of Atomic Energy, P. O. Box 275 (18), Beijing 102413, People’s Republic of China
  • 2Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, People’s Republic of China
  • 3Graduate School of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
  • 4School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, People’s Republic of China
  • 5School of Nuclear Science and Technology, Harbin Engineering University, Harbin 150001, People’s Republic of China

  • *yanzhaowang09@126.com

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Vol. 81, Iss. 6 — June 2010

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