Abstract

The g-factor of the 91.5 keV state in 151Sm has been measured by the TDPAC method using γγ cascades following the β-decay of 28 h 151Pm. The result is g = −0.21±0.01. The anisotropy of the angular correlation for the 232.2-25.7 keV cascade is measured to be A = +0.058±0.006. From this an M1/E2 mixing ratio of δ 2 = 0.008±0.002 for the 232.3 keV transition is concluded. No attenuation of the anisotropy of the angular correlation is observed for aqueous solution sources of SmC1 in excess of hydrochloric acid. Spin and parity assignments for excited states in 151Sm are presented.

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