The determination of the l-forbidden M1 decay from the first excited state in41K
- 1 December 1977
- journal article
- Published by IOP Publishing in Journal of Physics G: Nuclear Physics
- Vol. 3 (12) , L267-L270
- https://doi.org/10.1088/0305-4616/3/12/003
Abstract
The reactions 38Ar( alpha ,p)41K, 41K(p,p')41K and 44Cu(p, alpha )41K have been used to resolve the conflict over the lifetime of the first excited state in 41K. A value of tau m=5.0+or-1.5 ps was found to be consistent with the data. The Couloumb excitation of 41K with an 16O beam was used to measure the E2 excitation probability B(E2)=1.4+or-0.2 Wu for the first excited state and allowed the deduction of the multipole mixing ratio delta and hence the M1 decay component of this transition. A result of B(M1)=6+or-2 mWu was obtained.Keywords
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