Effects of nonzero neutrino masses on black hole evaporation

Details Effects of nonzero neutrino masses on black hole evaporation Effects of nonzero neutrino masses on black hole evaporation

Apr 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aps..apre11001h&link_type=abstract

American Physical Society, APS April Meeting, April 22-26, 2006, abstract #E11.001

Physics

Scientific paper

We study the consequences of nonzero neutrino masses for black holes evaporating by the emission of Hawking radiation. We find that the evolution of small, hot, black holes may be unaffected (if neutrinos are Majorana particles), or may show an increase in neutrino luminosity and a decrease in lifetime by up to a factor of approximately 1.85 (if neutrinos are Dirac particles). However, for sufficiently large (e.g., stellar mass) black holes, nonzero masses result in neutrino emission being largely or entirely suppressed, resulting in a decrease in emitted power and an increase in lifetime by up to a factor of about 7.5.

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