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Deformation dependence of the screened decay law for proton emission

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A generalization of the decay law for proton emission is achieved by considering a screening effect in the electrostatic interaction. Calculations of half-lives performed on Z >= 53 proton emitters revealed a deformation dependence of the additional parameter responsible for the screening effect. A suitable functional dependence of the screening parameter on deformation significantly improves the agreement with experimental data. The prediction power of the generalized formula is tested on few observed proton emissions with unknown branching ratios and by extrapolation to available two-proton emission data. (C) 2021 Elsevier B.V. All rights reserved.

Proton emissionUnstable nucleiScreeningDeformationHALF-LIVESLIGHT-NUCLEIDRIP-LINERADIOACTIVITY

Budaca, R.、Budaca, A., I

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Horia Hulubei Natl Inst Phys & Nucl Engn

2022

Nuclear Physics

Nuclear Physics

ISSN:0375-9474
年,卷(期):2022.1017
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