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Screening amendment to the universal decay law for alpha decay

  • Regular Article – Theoretical Physics
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Abstract

By generalizing the electrostatic interaction by means of a screening effect, one proposed a new empirical formula for the \(\alpha \) decay half lives. In the absence of screening, the formula recovers the universal decay law. The impact of the screening is found to be important only for even Z nuclei and highly sensitive to shell effects, when applied to nuclei with \(Z\ge 84\). The proposed empirical formulas are also used for the prediction of the half-lives for even Z superheavy nuclei.

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Data Availability Statement

This manuscript has no associated data or the data will not be deposited. [Authors’ comment: There are no external data associated with the manuscript.]

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Acknowledgements

The authors acknowledge the financial support received from the Romanian Ministry of Education and Research, through Project PN-19-06-01-01/2019-2022.

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Authors and Affiliations

  1. “Horia Hulubei” National Institute for R&D in Physics and Nuclear Engineering, Str. Reactorului no.30, RO-077125, P.O. BOX MG-6, Bucharest, Magurele, Romania

    A. I. Budaca

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  1. A. I. Budaca
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Correspondence to A. I. Budaca.

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Communicated by Pierre Capel.

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Budaca, A.I. Screening amendment to the universal decay law for alpha decay. Eur. Phys. J. A 57, 41 (2021). https://doi.org/10.1140/epja/s10050-021-00359-1

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