Abstract
By the method of time differential perturbed angular distribution following a nuclear reaction, the relaxation rateT −1r of the 8 msI π=10+ isomer of132Xe has been measured in liquid Te. Between 670 °K (supercooled liquid) and 1,000 °K the rate decreases from about 720/s by about a factor of two. From existing experimental material it is concluded thatT −1r is mainly due to quadrupolar interaction (T −1r ≈T −1Q ). Its magnitude is discussed considering the metallic and the noble gas limit as models for the Xe-Te-interactions. The temperature dependenceT Q(T) apparently does not correlate with the diffusion constant of Te in contrast to a simplified theoretical treatment. — The nuclearg value of the isomer has been determined to be g=(−)0.195(5) thus confirming the configuration (vh11/2)2.
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We are obliged to the Gesellschaft für Kernforschung, Karlsruhe, for machine time at the cyclotron and to the operating crew for valuable assistance during the experiments. This work is supported by Deutsche Forschungsgemeinschaft, Sonderforschungsbereich 161.
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Hartrott, M.v., Hadijuana, J., Nishiyama, K. et al. Nuclear spin relaxation of Xe in liquid Te. Z Physik A 278, 303–308 (1976). https://doi.org/10.1007/BF01437742
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DOI: https://doi.org/10.1007/BF01437742