Nucleosynthesis bounds on small Dirac neutrino masses due to chiral symmetry breaking

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dc.creatorMcDonald, John
dc.date1996-10-10
dc.date1996-11-19
dc.date.accessioned2026-07-07T09:03:22Z
dc.date.available2026-07-07T09:03:22Z
dc.descriptionWe consider nucleosynthesis constraints on models which use chiral symmetry breaking as a basis for understanding very small Dirac neutrino masses. We show that present big-bang nucleosynthesis constraints impose a well-defined upper bound of 0.1eV on the neutrino masses. This bound may become several orders of magnitude more stringent in the future as our understanding of the observational constraints on nucleosynthesis improves. We discuss the phenomenological implications for neutrino dark matter, the solar neutrino problem and the atmospheric neutrino deficit.
dc.descriptionLatex 18 pages, 3 figures. Additional discussion of nucleosynthesis. No change in conclusions
dc.identifierhttps://arxiv.org/abs/hep-ph/9610324
dc.identifierhttp://arxiv.org/abs/hep-ph/9610324
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/148980
dc.subjectHigh Energy Physics - Phenomenology
dc.titleNucleosynthesis bounds on small Dirac neutrino masses due to chiral symmetry breaking
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