Currently, 31 actinium, 31 thorium, 28 protactinium, and 23 uranium isotopes have so far been observed; the discovery of these isotopes is discussed. For each isotope a brief summary of the first refereed publication, including the production and identification method, is presented.
@article{arxiv.1203.1194,
title = {Discovery of the actinium, thorium, protactinium, and uranium isotopes},
author = {C. Fry and M. Thoennessen},
journal= {arXiv preprint arXiv:1203.1194},
year = {2015}
}
Comments
Accepted for publication in Atomic Data Nuclear Data Tables