|Author||Koicki, S. ♦ Koicki, A. ♦ Wood, G. T.|
|Source||United States Department of Energy Office of Scientific and Technical Information|
|Subject Keyword||PHYSICS ♦ ABSORPTION ♦ ANGULAR DISTRIBUTION ♦ ANISOTROPY ♦ ELECTRONS ♦ ENERGY LEVELS ♦ GAMMA RADIATION ♦ GYROMAGNETIC RATIO ♦ HALF-LIFE ♦ HYDROFLUORIC ACID ♦ INTERACTIONS ♦ IRRADIATION ♦ LITHIUM OXIDES ♦ MAGNETIC MOMENTS ♦ MEASURED VALUES ♦ METALS ♦ MIXING ♦ NEUTRON BEAMS ♦ NITRIC ACID ♦ RHENIUM 187 ♦ SOLUTIONS ♦ SPIN ♦ TUNGSTEN ♦ TUNGSTEN OXIDES ♦ WATER|
|Abstract||The nuclear g-factor of the 530 ns 206 kev state in /sup 187/Re was measured by the differential angular correlation method. Its value is 1.046 plus or minus 0.03. The source was a water solution of neutron irradiated Li/ sub 2/WO/sub 4/. The measurements of the time differential anisotropy of the 479- 72 kev gamma - gamma cascade were made over a 1.3 mu s time interval without observable attenuation of the angular correlation. The average quadrupole interaction frequency nu /sub Q/ is less than 180 MHz assuming a liquid correlation time of 10/sup -11/ sec. Appreciable attenuation of the differential anisotropy was observed for sources prepared from irradiated tungsten metal dissolved in a HF + NHO/sub 3/ acid mixture. The angular correlations of the 552- 134 kev and 72-134 kev gamma - gamma cascades in /sup 187/Re were found to be isotropic. A measurement of the half life of the 206 kev state yielded a value of 557 plus or minus 12 ns. (auth)|
|Learning Resource Type||Article|
|Publisher Department||Univ. of Pennsylvania, Philadelphia|
|Organization||Univ. of Pennsylvania, Philadelphia|
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