Phys. Rev. C 74, 015501 (2006) [6 pages]Branching ratios for the β decay of 21NaSee Also: Publisher's Note Received 23 February 2006; published 14 July 2006; publisher error corrected 31 July 2006 We have measured the beta-decay branching ratio for the transition from 21Na to the first excited state of 21Ne. A recently published test of the standard model, which was based on a measurement of the β-ν correlation in the decay of 21Na, depended on this branching ratio. However, until now only relatively imprecise (and, in some cases, contradictory) values existed for it. Our new result, 4.74(4)%, reduces but does not remove the reported discrepancy with the standard model. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.74.015501
DOI:
10.1103/PhysRevC.74.015501
PACS:
27.30.+t, 23.40.-s
See AlsoPublisher's Note: V. E. Iacob, J. C. Hardy, C. A. Gagliardi, J. Goodwin, N. Nica, H. I. Park, G. Tabacaru, L. Trache, R. E. Tribble, Y. Zhai, and I. S. Towner, Publisher's Note: Branching ratios for the β decay of 21Na [Phys. Rev. C 74, 015501 (2006)], Phys. Rev. C 74, 029901 (2006). |
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