Precise measurement of alpha(K) and alpha(T) for the 150.8-keV E3 transition in Cd-111: Test of internal-conversion theory
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2016 American Physical Society. We have measured the K-shell and total internal-conversion coefficients, K and T, for the 150.8-keV E3 transition in Cd111 to be 1.449(18) and 2.217(26), respectively. The K result agrees well with Dirac-Fock calculations in which the effect of the K-shell atomic vacancy is accounted for; it extends our precision tests of K calculations to Z=48, the lowest Z yet measured. However, the result for T disagrees by about two standard deviations from the calculated T value, whether or not the atomic vacancy is included.
author list (cited authors)
Nica, N., Hardy, J. C., Iacob, V. E., Werke, T. A., Folden, C., Pineda, L., & Trzhaskovskaya, M. B.
complete list of authors
Nica, N||Hardy, JC||Iacob, VE||Werke, TA||Folden, CMIII||Pineda, L||Trzhaskovskaya, MB