The isotope 83Krm, a 1.8-hr isomer of stable 83Kr, has become a standard for the calibration of tritium beta decay experiments to determine neutrino mass. It is also widely used as a low-energy electron source for the calibration of dark-matter experiments. The nominally monoenergetic internal conversion lines are accompanied by shakeup and shakeoff satellites that modify the line shape. We draw on theoretical and experimental information to derive a quantitative description of the satellite spectrum of the K-conversion line.
@article{arxiv.2003.12952,
title = {Shakeup and shakeoff satellite structure in the electron spectrum of $^{83}$Kr$^m$},
author = {R. G. Hamish Robertson and Vedantha Venkatapathy},
journal= {arXiv preprint arXiv:2003.12952},
year = {2020}
}
Comments
9 pages, 5 figures. v2 corrects a computing problem with the 3p line. v3 final, refs updated