Corrections for exchange and screening effects in low-energy beta decays - CEA - Commissariat à l’énergie atomique et aux énergies alternatives Access content directly
Journal Articles Nuclear Data Sheets Year : 2014

Corrections for exchange and screening effects in low-energy beta decays

Abstract

The beta spectra of $^{241}$Pu and $^{63}$Ni have been recently measured using metallic magnetic calorimeters. This powerful experimental technique allows theoretical beta spectra calculations to be tested at low energy with an accuracy never before achievable. Their comparison with classical beta calculations exhibits a significant deviation below 4 keV for $^{241}$Pu and 8 keV for $^{63}$Ni. The atomic exchange effect explains the main part of this deviation in the $^{63}$Ni beta spectrum. This effect has a significant contribution, equivalent to the magnitude of the screening, in the $^{241}$Pu beta spectrum.
Fichier principal
Vignette du fichier
article_XavierMougeot_ND2013.pdf (306.84 Ko) Télécharger le fichier
Origin Files produced by the author(s)

Dates and versions

cea-01848991 , version 1 (22-06-2023)

Identifiers

Cite

Xavier Mougeot, Marie-Martine Bé, Charlène Bisch, Martin Loidl. Corrections for exchange and screening effects in low-energy beta decays. Nuclear Data Sheets, 2014, 120, pp.129 - 132. ⟨10.1016/j.nds.2014.07.026⟩. ⟨cea-01848991⟩
147 View
14 Download

Altmetric

Share

Gmail Mastodon Facebook X LinkedIn More