Kavli Affiliate: Juan I. Collar
| Summary:
A dedicated high-statistics measurement of the $^71$Ge half-life is found to be in accurate agreement with an accepted value of 11.43$pm$0.03 d, eliminating a recently proposed route to bypass the "gallium anomaly" affecting several neutrino experiments. Our data also severely constrain the possibility of $^71$Ge decay to low-energy excited levels of the $^71$Ga daughter nucleus as a solution to this puzzle. Additional unpublished measurements of this decay are discussed. Following the incorporation of this new information, the gallium anomaly survives with high statistical significance.
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