Abstract
The parity-violating mixing of the 17/2− and 17/2+ levels in93Tc nuclei, polarized by the tilted multifoil interaction, was measured by the observation of the forwardbackwardγ-ray asymmetry. The asymmetry was determined to beA γ=1.18(48)×10−3. The nuclear polarization was determined in a measurement of the quadrupole interaction in a92Mo isomer and the parity violation matrix element 〈H PV〉 is found to be ¦〈H PV〉¦ =0.8(4) meV.
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Dedicated to Professor Friedel Sellschop on the occasion of his 60th birthday
On leave at the Nuclear Structure Research Laboratory, University of Rochester, Rochester, NY, USA
On leave from Osaka University, Toyonaka, Japan
We would like to acknowledge the contribution of M. Satteson, C.Y. Wu and N. Benczer-Koller to the92Mo measurement. We greatly appreciate the loan of the large volume Ge detectors for the GSI experiment by K.H. Schmidt and H.J. Wollersheim, GSI. One of the authors, N.T., is grateful to the Israel Association for International Scientific Relations, the Japan Society for Promotion of Science, and the Ministry of Education (Tokyo) for the Grant in Aid of Scientific Research. The work at GSI has received support from the Deutsch-Israelisches Komitee-Minerva and that at the University of Rochester from the United States-Israel Binational Science Foundation and the National Science Foundation.
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Broude, C., Goldring, G., Hass, M. et al. Parity violation in the 17/2− isomer of93Tc. Z. Physik A - Atomic Nuclei 336, 133–138 (1990). https://doi.org/10.1007/BF01290613
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DOI: https://doi.org/10.1007/BF01290613