In-beam study of 136Ce and 138Nd isotones with N = 78 |
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Authors: | N. Yoshikawa |
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Affiliation: | Institute for Nuclear Study, University of Tokyo, Tanashi-shi, Tokyo, Japan |
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Abstract: | Excited states in 136Ce and 138Nd have been investigated by means of in-beam spectroscopy with the (p, 4nγ) reaction. Excitation functions and angular distributions of γ-rays were measured with a Ge(Li) detector, and conversion electron spectra were taken with a magnetic spectrometer. Time-dependent spectra of γ-rays revealed delayed components with half-lives of 2.2μsec and 0.41μsec in 136Ce and 138Nd, respectively. Most of the excited states are classified as belonging to the quasi-ground-state rotational band and the quasi-gamma band. Negative parity 5? and 7? states were also observed. |
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Keywords: | Nuclear reactions |
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