On the interpretation of the atmospheric neutrino data in terms of flavor changing neutrino interactions
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On the interpretation of the atmospheric neutrino data in terms of flavor changing neutrino interactions

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On the interpretation of the atmospheric neutrino data in terms of flavor changing neutrino interactions

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Fornengo, Nicolao; González García, Mª Concepción; Furtado Valle, José Wagner Perfil
Aquest document és un/a article, creat/da en: 2000
Flavour changing (FC) neutrino-matter interactions have been proposed as a solution to the atmospheric neutrino anomaly. Here we perform the analysis of the full set of the recent 52 kTy Super-Kamiokande atmospheric neutrino data, including the zenith angle distribution of the contained events as well as the higher energy upward-going stopping and through-going muon events. Our results show that the FC mechanism can describe the full data sample with a chi^2_{min}=44/(33 d.o.f) which is acceptable at the 90% confidence level. The combined analysis confines the amount of FC to be either close to maximal or to the level of about (10-50)%.

    Fornengo, Nicolao González García, Mª Concepción Furtado Valle, José Wagner 2000 On the interpretation of the atmospheric neutrino data in terms of flavor changing neutrino interactions Journal of High Energy Physics 2000 07 006
http://dx.doi.org/10.1088/1126-6708/2000/07/006
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