cumulative fission yield
The fraction of @[email protected] which have resulted in the production of a @[email protected] either directly or indirectly, up to a specified time. If no time is specified, the yield is considered to be the asymptotic value.
PAC, 1982, 54, 1533. (Glossary of terms used in nuclear analytical chemistry (Provisional)) on page 1542 [Terms] [Paper]