Phys. Rev. C 72, 024308 (2005) [7 pages]Gamow-Teller decay of the T=1 nucleus 46Cr
T. K. Onishi1, A. Gelberg2,3, H. Sakurai1, K. Yoneda3, N. Aoi3, N. Imai1, H. Baba4, P. von Brentano2, N. Fukuda3, Y. Ichikawa1, M. Ishihara3, H. Iwasaki1, D. Kameda5, T. Kishida3, A. F. Lisetskiy6, H. J. Ong1, M. Osada1, T. Otsuka1, M. K. Suzuki1, K. Ue1, Y. Utsuno7, and H. Watanabe3 Received 23 March 2005; published 16 August 2005 The Gamow-Teller β decay of 46Cr to the N=Z odd-odd nucleus 46V has been observed for the first time. 46Cr was produced by the fragmentation of a 50Cr primary beam at 80 MeV/nucleon. By means of β-γ coincidence measurements, a γ-ray peak at 993 keV corresponding to the decay of the 11+ state in 46V was observed. The branching ratio of the Gamow-Teller decay to this state was found to be bGT=0.216±0.050. The half-life of 46Cr was measured to be T1/2=240±140 ms. The transition strength was determined to be B(GT)=0.64±0.20. This result was compared with theoretical values calculated with the shell model and the phenomenological quasideuteron model. ©2005 The American Physical Society
URL: http://link.aps.org/doi/10.1103/PhysRevC.72.024308 [ Abstract | Previous article | Next article | Issue 2 ] |
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