Coinc bb/g - Results


Ge coincidence spectrum after 6062.5 h
Ge coincidence spectrum for a NaI window of 2.35s around 559.1 keV (t=6062.5 h). It improved by a factor 3 the previous Frejus background. No accumulation of counts appears at the position of the Frejus "peak" (1483.7 keV). We concluded that the former Frejus peak is not due to any double beta decay process within a confidence level of 95%.


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