Global constraints on muon-neutrino nonstandard interactions
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Global constraints on muon-neutrino nonstandard interactions

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Global constraints on muon-neutrino nonstandard interactions

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Escrihuela Ferrándiz, Francisco Javier; Tórtola Baixauli, María Amparo; Furtado Valle, José Wagner Perfil; Miranda, O.G.
Aquest document és un/a article, creat/da en: 2011
The search for new interactions of neutrinos beyond those of the Standard Model may help to elucidate the mechanism responsible for neutrino masses. Here we combine existing accelerator neutrino data with restrictions coming from a recent atmospheric neutrino data analysis in order to lift parameter degeneracies and improve limits on new interactions of muon neutrinos with quarks. In particular we re-consider the results of the NuTeV experiment in view of a new evaluation of its systematic uncertainties. We find that, although constraints for muon neutrinos are better than those applicable to tau or electron neutrinos, they lie at the few ×10−2 level, not as strong as previously believed. We briefly discuss prospects for further improvement.

    Escrihuela Ferrándiz, Francisco Javier Tórtola Baixauli, María Amparo Furtado Valle, José Wagner Miranda, O.G. 2011 Global constraints on muon-neutrino nonstandard interactions Physical Review D 83 9 093002
http://dx.doi.org/10.1103/PhysRevD.83.093002
distribuït sota llicència Creative Commons de Reconeixement-NoComercial 3.0 No adaptada

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