γ -ray spectroscopy of Sm150 through the β decay of Pm150 ( T=2.7 h) and Eum150 ( T=12.8 h)

Autor: C. J. Staples, J. L. Wood, P. Schmelzenbach, J. Loats, W. D. Kulp, Kenneth S. Krane, Eric B. Norman
Rok vydání: 2018
Předmět:
Zdroj: Physical Review C. 98
ISSN: 2469-9993
2469-9985
DOI: 10.1103/physrevc.98.034311
Popis: The $^{150}\mathrm{Sm}$ nucleus, populated through the $\ensuremath{\beta}$ decays of $^{150}\mathrm{Eu}^{m}$ and $^{150}\mathrm{Pm}$, was investigated by means of $\ensuremath{\gamma}\ensuremath{-}\ensuremath{\gamma}$ coincidence and $\ensuremath{\gamma}\ensuremath{-}\ensuremath{\gamma}$ angular correlation studies using an array of 20 Compton-suppressed Ge detectors. The study particularly focuses on the determination of weakly populated levels and weak decay branches between established levels. A weakly populated state at 1603 keV is established to have spin-parity ${0}^{+}$ from the angular correlation data; a second weakly populated state at 1786 keV is confirmed to have spin-parity ${0}^{+}$ on a similar basis.
Databáze: OpenAIRE