3291-keV $J^{π} = {\frac{25}{2}}^{+}$ level in ${}^{205}{T 1}$

Publisher Website

1 April 1984

journal article
research article
Published by American Physical Society (APS) in Physical Review C

Vol. 29 (4) , 1268-1272
https://doi.org/10.1103/physrevc.29.1268

Abstract

A

J^{π} = {\frac{25}{2}}^{+}

isomer in

{}^{205}{T 1}

has been observed using techniques of in-beam

γ

-ray spectroscopy and the

{}^{204}{Hg} (t, 2 n) {}^{205}{T 1}

reaction. The decay scheme firmly establishes the yrast levels: [

J^{π}, E_{x}

(keV)]

{\frac{11}{2}}^{-}

, 1484.02;

{\frac{15}{2}}^{-}

, 2054.57;

{\frac{17}{2}}^{-}

, 2394.18;

{\frac{19}{2}}^{-}

, 2551.56; and

{\frac{25}{2}}^{+}

, 3290.7. A candidate for a

12^{-}

state in

{}^{204}{T 1}

with the configuration (

π h_{\frac{11}{2}}^{- 1}, ν i_{\frac{13}{2}}^{- 1}

) is identified.

Keywords

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