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Mu-tau neutrino refraction and collective three-flavor transformations in supernovae

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Mu-tau neutrino refraction and collective three-flavor transformations in supernovae

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dc.contributor.author	Pastor Carpi, Sergio
dc.contributor.author	Esteban Pretel, Andreu
dc.contributor.author	Tomàs, Ricard
dc.contributor.author	Raffelt, Georg G.
dc.contributor.author	Sigl, Günter
dc.date.accessioned	2014-09-02T11:49:55Z
dc.date.available	2014-09-02T11:49:55Z
dc.date.issued	2008
dc.identifier.citation	Pastor Carpi, SErgio 2008 Mu-tau neutrino refraction and collective three-flavor transformations in supernovae Physical Review D 77 065024-1 065024-9
dc.identifier.uri	http://hdl.handle.net/10550/37476
dc.description.abstract	We study three-flavor collective neutrino transformations in the dense-neutrino region above the neutrino sphere of a supernova core. We find that two-flavor conversions driven by the atmospheric mass difference and the 13-mixing angle capture the full effect if one neglects the second-order difference between the muon and tau neutrino refractive index. Including this 'mu-tau matter term' provides a resonance at a density of approximately 3 x 10^7 g/cm3 that typically causes significant modifications of the overall electron neutrino and antineutrino survival probabilities. This effect is surprisingly sensitive to deviations from maximal 23-mixing, being different for each octant.
dc.language.iso	eng
dc.relation.ispartof	Physical Review D, 2008, vol. 77, p. 065024-1-065024-9
dc.subject	Astrofísica
dc.subject	Partícules (Física nuclear)
dc.title	Mu-tau neutrino refraction and collective three-flavor transformations in supernovae
dc.type	journal article	es_ES
dc.date.updated	2014-09-02T11:49:55Z
dc.identifier.doi	10.1088/1742-6596/136/4/042076
dc.identifier.idgrec	043004
dc.accrualmethod	Sigl, Günter
dc.rights.accessRights	open access	es_ES