Discovery of the Selenium Isotopes J. Claes, J. Kathawa, M. Thoennessen∗ National Superconducting Cyclotron Laboratory and Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA Abstract Thirty-one selenium 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. ∗Corresponding author. Email address:
[email protected] (M. Thoennessen) Preprint submitted to Atomic Data and Nuclear Data Tables April 28, 2010 Contents 1. Introduction . 3 2. Discovery of 64−94Se.................................................................................... 3 2.1. 64Se............................................................................................. 3 2.2. 65Se............................................................................................. 3 2.3. 66Se............................................................................................. 5 2.4. 67Se............................................................................................. 5 2.5. 68Se............................................................................................. 5 2.6. 69Se............................................................................................. 5 2.7. 70Se............................................................................................. 5 2.8. 71Se............................................................................................