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Technique for direct eV-scale measurements of the Mu and tau neutrino masses using supernova neutrinos



Technique for direct eV-scale measurements of the Mu and tau neutrino masses using supernova neutrinos



Physical Review Letters 85(17): 3568-3571



Early black hole formation in a core-collapse supernova will abruptly truncate the neutrino fluxes. The sharp cutoff can be used to make model-independent time-of-flight neutrino mass tests. Assuming a neutrino luminosity of 10(52) erg/s per flavor at cutoff and a distance of 10 kpc, Super-Kamiokande can detect an electron neutrino mass as small as 1.8 eV, and the proposed OMNIS detector can detect mu and tau neutrino masses as small as 6 eV. We present the first technique with direct sensitivity to eV-scale mu and tau neutrino masses.

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Accession: 047534265

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PMID: 11030952

DOI: 10.1103/physrevlett.85.3568


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