Abstract
Isotopes in the light actinide region with N<126, Z≳82 have been produced in the reaction of on at beam energies of 164 and 170 MeV. Evaporation residues were selected using an in-flight mass separator, the Argonne Fragment Mass Analyzer, and implanted in a double-sided silicon strip detector. The charge-to-mass ratio of implanted ions, and energies and half-lives of correlated α-decay events have been used to make isotopic identifications. The α decay from the ground state of has been observed with an α-particle energy of 7.488(12) MeV and a half-life of ms. Previous results concerning the decay of were also confirmed.
- Received 28 December 1994
DOI:https://doi.org/10.1103/PhysRevC.51.R1047
©1995 American Physical Society