Affiliation:
1. Advanced Science Research Center, Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan
2. Nishina Center for Accelerator-Based Science, RIKEN, Wako, Saitama 351-0198, Japan
Abstract
Abstract
Production cross-sections of the isotope 256Lr in the 249,250,251Cf +11B,
243Am +18O, and
248Cm +14N reactions were measured using a He/KCl gas-jet transport system and a rotating
wheel α-particle detection apparatus. The α-particle energy of 256Lr was distributed from 8.3 to
8.7 MeV and its half-life, T
1/2, was measured to be 28 ± 1 s. The maximum cross sections in the
249Cf(11B, 4n)256Lr and
243Am(18O, 5n)256Lr reactions were determined to be
122 ± 36 nb at the beam energy of 63 MeV and 26 ± 7 nb at 96 MeV, respectively. In the
248Cm(14N, 6n)256Lr reaction, the cross section was measured to be 27 ± 10 nb at
91 MeV.
Subject
Physical and Theoretical Chemistry
Cited by
10 articles.
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