Nucleon Spin Fluctuations and the Supernova Emission of Neutrinos and Axions

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dc.creatorJanka, H. -T.
dc.creatorKeil, W.
dc.creatorRaffelt, G.
dc.creatorSeckel, D.
dc.date1995-07-07
dc.date1996-02-28
dc.date.accessioned2026-07-07T11:46:06Z
dc.date.available2026-07-07T11:46:06Z
dc.descriptionIn the hot and dense medium of a supernova (SN) core, the nucleon spins fluctuate so fast that the axial-vector neutrino opacity and the axion emissivity are expected to be significantly modified. Axions with $m_a\alt10^{-2}\,{\rm eV}$ are not excluded by SN~1987A. A substantial transfer of energy in neutrino-nucleon ($νN$) collisions is enabled which may alter the spectra of SN neutrinos relative to calculations where energy-conserving $νN$ collisions had been assumed near the neutrinosphere.
dc.description8 pages. REVTeX. 2 postscript figures, can be included with epsf. Small modifications of the text, a new "Note Added", and three new references. To be published in Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/astro-ph/9507023
dc.identifierhttp://arxiv.org/abs/astro-ph/9507023
dc.identifierPhys.Rev.Lett.76:2621-2624,1996
dc.identifierdoi:10.1103/PhysRevLett.76.2621
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/202110
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleNucleon Spin Fluctuations and the Supernova Emission of Neutrinos and Axions
dc.typetext

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