Eur. Phys. J. A (2022) 58: 145
https://doi.org/10.1140/epja/s10050-022-00789-5

Regular Article -Theoretical Physics

Generalization of the screened universal α-decay law by asymmetry and angular momentum

¹ Physics Department, College of Science, Salahaddin University, 44001, Erbil, Kurdistan, Iraq
² Becquerel Institute for Radiation Research and Measurements, Erbil, Kurdistan, Iraq
³ Horia Hulubei National Institute for R&D in Physics and Nuclear Engineering, P.O. BOX MG-6, Str. Reactorului No.30, 077125, Bucharest, Magurele, Romania
⁴ Department of Physics (H&S), Govt. Women Engineering College, 305002, Ajmer, India
⁵ University College of Goizha, Sulaymaniyah, Kurdistan, Iraq

^a akrawy85@gmail.com

Received: 23 May 2022
Accepted: 5 July 2022
Published online: 10 August 2022

Abstract

Universal decay law (UDL) with screening amendments for α-decay [Eur Phys J A (2021) 57:41] is further modified by inclusion of asymmetry and angular momentum effects. The predicted half-lives for α-decay are found with excellent match with the experimental data with lower root mean square error (RMSE) calculated by the modified version of the formula for a wide range of nuclei involving all even(odd)–odd(even) combinations. This modified version of UDL, which is embedded by electrostatic interaction as screening effect, asymmetry of nucleus as well as angular momentum taken away by the α-decay, is utilized to estimate half-lives of α-decay for other regions of periodic chart.