1203.1194 (C. Fry et al.)

Discovery of the actinium, thorium, protactinium, and uranium isotopes    [PDF]

C. Fry, M. Thoennessen

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.

View original: http://arxiv.org/abs/1203.1194