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Type-II supernovae and neutrino magnetic moments

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Type-II supernovae and neutrino magnetic moments

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dc.contributor.author Nunokawa, Hiroshi
dc.contributor.author Tomàs, Ricard
dc.contributor.author Furtado Valle, José Wagner
dc.date.accessioned 2015-10-22T12:05:05Z
dc.date.available 2015-10-22T12:05:05Z
dc.date.issued 1999
dc.identifier.citation Nunokawa, Hiroshi Tomàs, Ricard Furtado Valle, José Wagner 1999 Type-II supernovae and neutrino magnetic moments Astroparticle Physics 11 3 317 325
dc.identifier.uri http://hdl.handle.net/10550/47874
dc.description.abstract The present solar and atmospheric neutrino data together with the LSND results and the presence of hot dark matter (HDM) suggest the existence of a sterile neutrino at the eV scale. We have reanalysed the effect of resonant {\sl sterile} neutrino conversions induced by neutrino magnetic moments in a type-II supernova. We analyse the implications of νe−νs and ν¯e−ν¯s (νs denotes sterile neutrino) conversions for the supernova shock re-heating, the detected ν¯e signal from SN1987A and the r-process nucleosynthesis hypothesis. Using reasonable magnetic field profiles we determine the sensitivity of these three arguments to the relevant neutrino parameters, i.e. the value of the transition magnetic moment and the νe−νs mass difference Δm2≡Δm2LSND/HDM
dc.language.iso eng
dc.relation.ispartof Astroparticle Physics, 1999, vol. 11, num. 3, p. 317-325
dc.subject Física
dc.title Type-II supernovae and neutrino magnetic moments
dc.type journal article es_ES
dc.date.updated 2015-10-22T12:05:05Z
dc.identifier.doi 10.1016/S0927-6505(98)00072-3
dc.identifier.idgrec 073642
dc.rights.accessRights open access es_ES

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