Supernova neutrinos, neutral currents and the origin of fluorine

Details Supernova neutrinos, neutral currents and the origin of fluorine Supernova neutrinos, neutral currents and the origin of fluorine

Jul 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.334...45w&link_type=abstract

Nature (ISSN 0028-0836), vol. 334, July 7, 1988, p. 45-47. NSF-NASA-DOE-supported research.

Physics

56

Cosmochemistry, Fluorine, Neutrinos, Nuclear Chemistry, Supernova 1987A, Heavy Elements, Nuclear Fusion

Scientific paper

Common lore has it that neutrinos, generated by the collapse of the core of a massive star, because of their weak coupling to matter, pass through all but the iron core and inner silicon shell of the collapsing star with negligible interaction. So far as energy deposition and the explosion mechanism go, this is true but for the nuclear chemistry of the star, the authors argue that it is not. They draw particular attention to the synthesis of an element whose origin has hitherto been obscure - fluorine - and show that its solar abundance constrains the temperature of muon and tauon neutrinos to values near what is expected from the standard model (8 - 10 MeV).

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