On the First and the Second Excited States in Ge<SUP>74</SUP>

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The first and the second excited states in Ge74 were studied in detail from the decay of As74. The possibility of the presence of 0+ excited level was checked by searching for an internal conversion line corresponding to E0 transition by means of a beta-ray spectrometer, but no detectable peak was observed. From the gamma-gamma coincidence measurements the relative intensity T(2′→2)⁄T(2′→0) was obtained to be 1.7. From the gamma-gamma angular-correlation measurements the spin of the second excited state was assigned to be 2 and the E2/M1 mixing ratio δ in the 2′→2 gamma transition was found to be <BR>(Remark: Graphics omitted.)<BR>These results were discussed in view of systematics on the medium-weight even-even nuclei.

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