Low-Lying States of 181Os
Abstract
Nuclear structure of 181Os was investigated by in-beam gamma ray spectroscopy through the excitation function and beam-gamma timing measurements. The low-lying level scheme of 181Os was proposed and the half-life of the first excited state was obtained to be 316± 18 ns. The dependence of the intensity ratio of the crossover to cascade transitions on the Nilsson orbit is discussed by taking into account the cancellation of g-factor. The hindrance factor of the E1 transition between the first excited state (9/2+[624]) and the ground state (7/2-[514]) was estimated to be 3.7× 102 in terms of the Nilsson estimate.
- Publication:
-
Journal of the Physical Society of Japan
- Pub Date:
- March 1974
- DOI:
- 10.1143/JPSJ.36.623
- Bibcode:
- 1974JPSJ...36..623K