Abstract:Neutron-activated sources of 103 Ru and 103 Pd both share the isomeric first-excited state in 103 Rh as a daughter product. From independent measurements of both decays, we have measured the K-shell and total internal conversion coefficients, αK and αT , for the 39.8-keV E3 transition, which de-excites that state in 103 Rh, to be 141.1(23) and 1428(13), respectively. When compared with Dirac-Fock calculations, our new results disagree with the version of the theory that ignores the Kshell atomic vacancy, which… Show more
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