ar X iv : h ep - p h / 04 11 30 9 v 2 2 2 A pr 2 00 5 Direct test of the MSW effect by the solar appearance term in beam experiments
نویسنده
چکیده
We discuss if one can verify the MSW effect in neutrino oscillations at a high confidence level in long-baseline experiments. We demonstrate that for long enough baselines at neutrino factories, the matter effect sensitivity is, as opposed to the mass hierarchy sensitivity, not suppressed by sin 2θ13 because it is driven by the solar oscillations in the appearance probability. Furthermore, we show that for the parameter independent direct verification of the MSW effect at long-baseline experiments, a neutrino factory with a baseline of at least 6 000 km is needed. For superbeams, we do not find a 5σ discovery potential of the MSW effect independent of sin 2θ13. We finally summarize different methods to test the MSW effect.
منابع مشابه
ar X iv : h ep - p h / 04 11 30 9 v 1 2 3 N ov 2 00 4 Direct test of the MSW effect by the solar appearance term in beam experiments
We discuss if one can verify the MSW effect in neutrino oscillations at a high confidence level in long-baseline experiments. We demonstrate that for long enough baselines at neutrino factories, the matter effect sensitivity is, as opposed to the mass hierarchy sensitivity, not suppressed by sin 2θ13 because it is driven by the solar oscillations in the appearance probability. Furthermore, we s...
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تاریخ انتشار 2005