Computer Science
Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..605..429g&link_type=abstract
LOW TEMPERATURE DETECTORS: Ninth International Workshop on Low Temperature Detectors. AIP Conference Proceedings, Volume 605, p
Computer Science
Neutrino Mass And Mixing
Scientific paper
The most compelling evidence of the existence for neutrino masses are the up-down asymmetry of the atmospheric muon neutrino flux and, more recently, the measurement of the solar electron neutrino flux. These experiments, which are interpreted on the basis of the flavor oscillation hypothesis, indicate the there is some spectrum of 3 or more masses. A combination of the experimental flavor oscillation data allows a range of splitting value among the mass eigenstates that makes very attractive the investigation in the sub eV neutrino mass range, down to 0.1 eV/c2. The direct measurements via the β-decay, which are the more straightforward way for determining individual mass eigenstates, must reach such a neutrino mass sensitivity. In these frame a calorimetric experiment with 187-Re, could play a starring role. In fact, a 1 eV energy resolution experiment could be possible with a large array of small microcalorimeters. Together with the project of 1 eV resolution beta electrostatic spectrometer for tritium beta decay (KATRIN), it could be possible to fix the absolute scale of neutrino mass. .
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