Connection between flavor mixing of cosmologically significant neutrinos and heavy element nucleosynthesis in supernovae

Details Connection between flavor mixing of cosmologically significant neutrinos and heavy element nucleosynthesis in supernovae Connection between flavor mixing of cosmologically significant neutrinos and heavy element nucleosynthesis in supernovae

Sep 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993phrvl..71.1965q&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 71, no. 13, p. 1965-1968.

Physics

163

Heavy Elements, Neutrinos, Nuclear Fusion, Supernovae, Flavor (Particle Physics), Stellar Mass Ejection

Scientific paper

We use heavy element nucleosynthesis from supernovae to probe the mixing of nu(e) with nu(tau) (or nu(mu)) possessing cosmologically significant masses (1 to 100 eV). We conclude that the n(tau)n(mu))-nu(e) vacuum mixing angle must satisfy sin-squared 2 Theta less than 10 exp -5, in order to ensure that r-process heavy elements can be produced in neutrino-heated supernova ejecta. Mixing at a level exceeding this limit precludes r-process nucleosynthesis in this site.

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