Abstract
The distribution of gamma-radiation emitted in the decay of Ce/sup 141/j nuclei alined in neodymium ethylsulfate single crystals was remeasured for temperatures as low as 0.0162 deg K and was found to be considerably more anisotropic than basis of preferential scattering of the plane-polarized radiation in the Dewart system. Similar measurements with Ce/sup 141/ nuclei oriented in a polarized cerium ethylsulfate crystal were made. The hyperfine constant for Ce/sup 141/ in the neodymium ethylsulfate lattice is deduced as A = 0.0305 plus or minus 0.003 cm/sup -1/, and the E2/Ml ratio for the 145-kev gamma ray in Pr/sup 141/ is 0.068 plus or minus 0.008. (auth)
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Schedule a callMore From: Journal of Research of the National Bureau of Standards Section A: Physics and Chemistry
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