Improved limit on the electron capture decay branch of 176Lu.
We have performed searches for the electron-capture decay branches of 176Lu to the ground state and first excited state of 176Yb. No evidence of either decay mode was observed. From these measurements we have established upper limits on both of these possible branches that are each > 20 times more stringent than the single previously published limit.
Norman
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Nuclear Science Division, Lawrence Berkeley National Laboratory, 50R5008, Berkeley, CA 94720, USA. ebnorman@lbl.gov
Browne
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Goldman
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Renne
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