Determinations of flavor ratios and flavor transitions of astrophysical neutrinos

Details Determinations of flavor ratios and flavor transitions of astrophysical neutrinos Determinations of flavor ratios and flavor transitions of astrophysical neutrinos

2011-03-19

arxiv.org/abs/1103.3774v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages; presented at ICHEP 2010, July 22-28, 2010, Paris, France

Scientific paper

We argue that an effective flavor discrimination in neutrino telescopes is the key to probe the flavor ratios of astrophysical neutrinos at the source and flavor transition mechanisms of these neutrinos during their propagations from the source to the Earth. We first discuss how well one can reconstruct the flavor ratios of astrophysical neutrinos at the source. We then discuss how to probe flavor transition mechanisms of propagating astrophysical neutrinos. In this regard, we propose a model independent parametrization for neutrino flavor transitions, with the neutrino oscillation as a special case.

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