Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-10-09
JCAP0312:007,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTex, 25 pages, 3 figures. v4: Discussion section expanded, references added. Matches the published version
Scientific paper
10.1088/1475-7516/2003/12/007
It is shown that the combined action of spin-flavor conversions of supernova neutrinos due to the interactions of their Majorana-type transition magnetic moments with the supernova magnetic fields and flavor conversions due to the mass mixing can lead to the transformation of \nu_e born in the neutronization process into their antiparticles \bar{\nu}_e. Such an effect would have a clear experimental signature and its observation would be a smoking gun evidence for the neutrino transition magnetic moments. It would also signify the leptonic mixing parameter |U_{e3}| in excess of 10^{-2}.
Akhmedov Evgeny
Fukuyama Takeshi
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