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Article overview
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Systematic study of proton radioactivity of spherical proton emitters within various versions of proximity potential formalisms | Jun-Gang Deng
; Xiao-Hua Li
; Jiu-Long Chen
; Jun-Hao Cheng
; Xi-Jun Wu
; | Date: |
16 Apr 2019 | Abstract: | In this work we present a systematic study of the proton radioactivity
half-lives of spherical proton emitters within the Coulomb and proximity
potential model. We investigate 28 different versions of the proximity
potential formalisms developed for the description of proton radioactivity,
$mathcal{alpha}$ decay and heavy particle radioactivity. It is found that 21
of them are not suitable to deal with the proton radioactivity, because the
classical turning points $r_{ ext{in}}$ cannot be obtained due to the fact
that the depth of the total interaction potential between the emitted proton
and the daughter nucleus is above the proton radioactivity energy. Among the
other 7 versions of the proximity potential formalisms, it is Guo2013 which
gives the lowest rms deviation in the description of the experimental
half-lives of the known spherical proton emitters. We use this proximity
potential formalism to predict the proton radioactivity half-lives of 13
spherical proton emitters, whose proton radioactivity is energetically allowed
or observed but not yet quantified, within a factor of 3.71. | Source: | arXiv, 1904.7597 | Services: | Forum | Review | PDF | Favorites |
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