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The quadrupole moments of195–197Aum(11/2) and the low temperature thermal relaxation of gold in cadmium

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Abstract

195,197mHg has been oriented at low temperature in a cadmium single crystal. From the orientation pattern of the 388 keV gamma ray VZZ (HgCd) =+1.82(25).1018 V/cm2 has been deduced. Using the dipole-relaxation mechanism on the gold isomeric state, the relaxation constant CK=0.044(5)Ks, the quadrupole interaction frequencies Ν Q (195m-AuCd)=+395(18) MHz, Ν Q (197m-AuCd)=+380(58) MHz and δ (E2/M1; 261 keV) < 0 are obtained from the orientation pattern of the 261 and 279 keV gamma rays. Using literature electric field gradient of gold in cadmium, Q(195m-Au,11/2)=(+) 1.41(1.0)b and Q(197m-Au,11/2)=(+)1.35(22)b can be deduced.

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Authors and Affiliations

  1. Institut de Physique Nucléaire (et IN2P3), Université Lyon-1, 43, Bd du 11 Novembre 1918, 69622, Villeurbanne Cedex, France

    I. Berkes, G. Marest, J. Sau & H. Sayouty

  2. Instituut voor Kern en Stralingsfysika, Leuven University, 3030, Heverlee, Belgium

    P. Put, R. Coussement & G. Scheveneels

Authors
  1. I. Berkes
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  2. G. Marest
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  3. J. Sau
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  4. H. Sayouty
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  5. P. Put
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  6. R. Coussement
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  7. G. Scheveneels
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Berkes, I., Marest, G., Sau, J. et al. The quadrupole moments of195–197Aum(11/2) and the low temperature thermal relaxation of gold in cadmium. Hyperfine Interact 15, 233–236 (1983). https://doi.org/10.1007/BF02159745

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  • DOI: https://doi.org/10.1007/BF02159745

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