End-point energy and half-life of the [Formula Presented] decay

Massimiliano Galeazzi, F. Fontanelli, F. Gatti, S. Vitale

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


A high statistics measurement of the β decay of [Formula Presented] with a cryogenic microcalorimeter has been performed. The high accuracy and the calorimetric nature of the measurement allow setting a value for the end-point energy of the decay in a metallic rhenium crystal equal to [Formula Presented] eV. A good extrapolation of the spectrum to zero energy has also been possible thanks to the stable and well determined detector response down to the energy threshold of about 420 eV. This allows an estimate of the [Formula Presented] half-life of [Formula Presented] Both results are significantly better than the previous measurements reported in the literature.

Original languageEnglish (US)
Number of pages1
JournalPhysical Review C - Nuclear Physics
Issue number1
StatePublished - Jan 1 2001
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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