Analytical description of the Day-Night neutrino asymmetry

A. D. Supanitsky (1); G. A. Medina-Tanco (1) ((1) Departamento de F\'isica de Altas Energ\'as; Instituto de Ciencias Nucleares; J. C. D'Olivo (1); M\'exico.); Universidad Nacional Aut\'onoma de M\'exico

arxiv: 0708.0629 · v2 · submitted 2007-08-04 · 🌌 astro-ph

Analytical description of the Day-Night neutrino asymmetry

A. D. Supanitsky (1) , J. C. D'Olivo (1) , G. A. Medina-Tanco (1) ((1) Departamento de F\'isica de Altas Energ\'as , Instituto de Ciencias Nucleares , Universidad Nacional Aut\'onoma de M\'exico , M\'exico.) This is my paper

classification 🌌 astro-ph

keywords neutrinoanalyticalday-nightaccurateappliedarbitraryasymmetrydensity

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We present a new treatment of the Earth matter effects on the neutrino oscillations that is valid for an arbitrary density profile. When applied to the the study of the day-night effect on the solar neutrino flux it renders us a simple analytical expression, which is more accurate than those derived by using the perturbation theory and can be extended to higher energies.

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Analytical description of the Day-Night neutrino asymmetry

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