Coherent development of neutrino flavor in the supernova environment

Huaiyu Duan, George M. Fuller, J. Carlson, Yong Zhong Qian

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113 Scopus citations

Abstract

We calculate coherent neutrino and antineutrino flavor transformation in the supernova environment, for the first time including self-consistent coupling of intersecting neutrino and antineutrino trajectories. For neutrino mass-squared difference |δm2|=3×10-3eV2 we find that in the normal (inverted) mass hierarchy the more tangentially-propagating (radially- propagating) neutrinos and antineutrinos can initiate collective, simultaneous medium-enhanced flavor conversion of these particles across broad ranges of energy and propagation direction. Accompanying alterations in neutrino and antineutrino energy spectra and fluxes could affect supernova nucleosynthesis and the expected neutrino signal.

Original languageEnglish (US)
Article number241101
JournalPhysical review letters
Volume97
Issue number24
DOIs
StatePublished - 2006

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