Strong and Weak $0^{+}$ Excitations in the ${}^{142}{Ce} (p, t) {}^{140}{Ce}$ and ${}^{140}{Ce} (p, t) {}^{138}{Ce}$ Reactions

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1 September 1972

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

Vol. 6 (3) , 1082-1087
https://doi.org/10.1103/physrevc.6.1082

Abstract

The

0^{+}

level structure of

{}^{140}{Ce}

and

{}^{138}{Ce}

as revealed by the

{}^{142}{Ce} (p, t)

and

{}^{140}{Ce} (p, t)

reactions is reported. Comparisons are made to a model which mixes the anharmonic pair vibration with "two multipole-phonon"

0^{+}

excitations and "one-phonon"

0^{+}

proton configurations. The 5.57-MeV

0^{+}

level in

{}^{140}{Ce}

may be a pair analog to the weak

0^{+}

level in

{}^{138}{Ce}

at 2.32 MeV.

Keywords

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