Abstract
In bombardments of with we discovered two new isotopes, and , by establishing genetic links between their decays and spontaneous fussion (SF) or decays of the daughter nuclides. We measured MeV for and a half-life of 1.2 s for its daughter . For we measured MeV. From these energies we estimated half-lives of 10-30 s for and 2-30 s for . We estimated SF branches of 50% or less for both isotopes. The decay properties of establish the existence of enhanced nuclear stability near the predicted deformed shells and .
- Received 31 March 1994
DOI:https://doi.org/10.1103/PhysRevLett.73.624
©1994 American Physical Society