In reply to bobcook39...@hotmail.com's message of Wed, 17 Jun 2020 04:51:53 +0000: Hi Bob,
Try this http://www.nndc.bnl.gov/chart/ [snip] >I think Jurg is working on such knowing for simple systems. The Brookhaven >Laboratory in New York keeps a data base for many nuclear species of the >isomeric energy states and respective spin states. I believe it is available >to the public. I will research this question and try to get a good link to >the data base. > >Bob Cook [snip]