Abstract
TheL 2 andL 3 subshell fluorescence and Coster-Kronig yields forZ=96 have been measured by theK-L x-ray coincidence method with high resolution Si(Li) and Ge(Li) x-ray detectors. The results ν2=0.650±0.036, ω2=0.552±0.032, ω3=0.515±0.034, andf 23=0.188±0.019 agree fairly well with theory. New measurements of theL x-ray singles spectra of244Cm and238Pu with a high resolution Si(Li) detector permitted reevaluation of the values of ω2 andf 23 forZ=92 and 94 reported by Byrneet al. The revised values atZ=92 are ω2=0.529±0.035 andf 23=0.23±0.12, and atZ=94, ω2=0.523±0.023 andf 23=0.24±0.08. These revised values are in much better agreement with theory and with current experiments.
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Supported in part by the U. S. Atomic Energy Commission.
We are indebted to R. D. Baybarz, of the Transuranium Research Laboratory of Oak Ridge National Laboratory, for the electrodeposition of the249Cf source, and to M. L. Hyder of the Savannah River Laboratory for electrodeposited sources of244Cm and238Pu. We should also like to thank Dr. H. U. Freund, now at Battelle Institut eV, Frankfurt, West Germany, for his helpful comments during the setting up of the coincidence experiments. The kind cooperation of J. A. Knight of the Georgia Tech Engineering Experiment Station concerning our use of the DuPont curve-resolving analogue computer is deeply appreciated.
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McGeorge, J.C., Fink, R.W. L 2 andL 3 subshell fluorescence and Coster-Kronig yields forZ=96 from the decay of249Cf. Z. Physik 248, 208–219 (1971). https://doi.org/10.1007/BF01396477
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DOI: https://doi.org/10.1007/BF01396477