Elsevier

Nuclear Physics

Volume 61, Issue 2, January 1965, Pages 264-268
Nuclear Physics

The multipolarity of the 116 keV isomeric transition in Ag110

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Abstract

The internal conversion lines of the 116 keV isomeric transition in the Ag110m decay have been studied using the Chalk River π2 β-spectrometer. The measured conversion line intensity ratios are K/ΣL/ΣM/Σ(N+O) = 2.04±0.06/1/0.214±0.008/0.036±0.003, LI/LII = 4.81±0.45 and LI/LIII = 1.02±0.02. The transition energy is 116.410±0.015 keV. The K/ΣL ratio is in agreement with published values and supports the M4 multipolarity assignment to this transition. The measured L line intensity ratios agree with the corresponding theoretical ratios from Sliv and Band for M4 radiation and confirm the multipolarity assignment. The problem presented by the inconsistency of this multipolarity assignment with the spins of Ag110m and Ag110 is discussed.

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