Model Independent Constraints on Solar Neutrinos

Details Model Independent Constraints on Solar Neutrinos Model Independent Constraints on Solar Neutrinos

2011-02-24

arxiv.org/abs/1102.4917v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 3 figures and 13 tables

Scientific paper

Using the data from SNO NCD phase, SuperK, Borexino and KamLAND Solar phase, we derive in a model independent way, bounds on the possible components in the solar neutrino flux. We update the limits on the antineutrino ($\bar\nu_x$) flux and sterile ($\nu_s$) component and compare them with the previous results obtained using SNO Salt phase data and data from SuperKamiokande experiments. It is affirmed that the upper bound on $\bar\nu_x$ is independent of the $\nu_s$ component. We recover the $\nu_s$ and $\bar\nu_x$ upper bounds existing in the literature. We also obtain bounds on $f_B$, the SSM normalization factor and the common parameter range for $f_B$ and the $\nu_s$ components in the light of latest data. In summary, we update, in a model independent way, the previous results existing in literature in the light of latest solar neutrino data.

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