Supernova bounds on supersymmetric R-parity violating interactions
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Supernova bounds on supersymmetric R-parity violating interactions

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Supernova bounds on supersymmetric R-parity violating interactions

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Nunokawa, Hiroshi; Rossi, Anna; Furtado Valle, José Wagner Perfil
Aquest document és un/a article, creat/da en: 1996
We re-examine resonant massless-neutrino conversions in a dense medium induced by flavour changing neutral current (FCNC) interactions. We show how the observed ν¯e energy spectra from SN1987a and the supernova r-process nucleosynthesis provide constraints on supersymmetric models with R parity violation, which are much more stringent than those obtained from the laboratory. We also suggest that resonant massless-neutrino conversions may play a positive role in supernova shock reheating. Finally, we examine the constraints on explicit R-parity-violating FCNCs in the presence of non-zero neutrino masses in the eV range, as indicated by present hot dark matter observations.

    Nunokawa, Hiroshi Rossi, Anna Furtado Valle, José Wagner 1996 Supernova bounds on supersymmetric R-parity violating interactions Nuclear Physics B 482 1-2 481 494
http://dx.doi.org/10.1016/S0550-3213(96)00541-X
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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