Journal article
The l-forbidden m1 decay of the 2522 keV level in 39K
Abstract
The mean lifetime of the first excited 12+ level in 39K has been measured to be τ = 93 ± 13 fs by high recoil velocity DSAM. The level was excited by bombarding a 4He-implanted Ta target with a 100 MeV 39K beam. The lifetime was determined by fitting the Doppler-broadened lineshape of the 2522 keV gamma-ray transition to the 32+ ground state. Together with the measured B(E2), the B(M1; d32 → S12) for this l-forbidden M1 transition was …
Authors
Alexander TK; Ball GC; Forster JS; Towner IS; Leslie JR; Mak H-B; Johannson JK; Kuehner JA; Waddington JC
Journal
Nuclear Physics A, Vol. 526, No. 2, pp. 407–414
Publisher
Elsevier
Publication Date
April 1991
DOI
10.1016/0375-9474(91)90293-f
ISSN
0375-9474