Proton radioactivity in relativistic continuum Hartree-Bogoliubov theory

Yeunhwan Lim, Xuewei Xia, Youngman Kim

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Abstract

We investigate spherical proton emitters in the region from I (Z=53) to Bi (Z=83) isotopes as a crucial application of the relativistic energy density functional PC-PK1 beyond the drip line. The continuum effect is treated carefully by using the relativistic continuum Hartree-Bogoliubov theory. We calculate the half-lives of the proton emitters using the Wentzel-Kramers-Brillouin (WKB) method and observe that the calculated values are in reasonable agreement with experimental results for most of emitters considered in this study. We also discuss a clue to improve the functional PC-PK1 in future.

Original languageEnglish
Article number014314
JournalPhysical Review C
Volume93
Issue number1
DOIs
StatePublished - 21 Jan 2016

Bibliographical note

Funding Information:
We acknowledge the fruitful discussions with Ying Chen, Haozhao Liang, Jie Meng, Shuangquan Zhang, and Shan-Gui Zhou. The work of Y.L. and Y.K. was supported by the Rare Isotope Science Project of Institute for Basic Science funded by Ministry of Science, ICT and Future Planning and National Research Foundation of Korea (2013M7A1A1075764).

Publisher Copyright:
© 2016 American Physical Society.

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