Bethe-Weizsäcker semi-empirical mass formula parameters 2019 update based on AME2016

Djelloul Benzaid; Salaheddine Bentridi; Abdelkader Kerraci; Naima Amrani

doi:10.1007/s41365-019-0718-8

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Bethe-Weizsäcker semi-empirical mass formula parameters 2019 update based on AME2016

NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH | Updated：2021-01-26

- Bethe-Weizsäcker semi-empirical mass formula parameters 2019 update based on AME2016
- Nuclear Science and Techniques Vol. 31, Issue 1, Article number: 9(2020)
- Affiliations：
  
  1.Laboratory of Energy and Smart Systems, University of Khemis Miliana Route de Theniet El Had, 44225 Ain Defla, Algeria
  2.Dosing, Analysis and Characterization in High Resolution Laboratory, Physics Department, Faculty of Sciences, Ferhat ABBAS University, 19000 Sétif-1, Algeria
- Author bio：
  
  Corresponding author, d.benzaid@univ-dbkm.dz
- Funds：
- DOI：10.1007/s41365-019-0718-8
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Djelloul Benzaid, Salaheddine Bentridi, Abdelkader Kerraci, et al. Bethe-Weizsäcker semi-empirical mass formula parameters 2019 update based on AME2016. [J]. Nuclear Science and Techniques 31(1):9(2020)
DOI：

Djelloul Benzaid, Salaheddine Bentridi, Abdelkader Kerraci, et al. Bethe-Weizsäcker semi-empirical mass formula parameters 2019 update based on AME2016. [J]. Nuclear Science and Techniques 31(1):9(2020) DOI： 10.1007/s41365-019-0718-8.

摘要

Abstract

In the present work, the classical Bethe-Weizsäcker (BW) mass formula with five energy terms is revisited and updated. We use the least-squares adjustments on the binding energy of 2497 different nuclides from the last update of the atomic mass evaluation, AME2016 published in March 2017, to provide a new set of energy coefficients of the mass formula. The obtained set of formula coefficients allowed us to reproduce most of the experimental values of the binding energies for each nucleus with ,A, 50. The comparison between the binding energies provided with updated mass formula and those of AME2016 on one hand, and those of previous works, on the other hand, yield relative errors that oscillate between less than 0.05% and 1.5

关键词

Keywords

Binding energy of atomic nucleiMass formula parametersAME2016Least-squares adjustments

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