Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-04-06
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTex,16 pages, 10 figures(eps), text and figures modified and added
Scientific paper
We have discussed conditions under which probability of oscillation ($\nu_e\rightarrow \nu_{\mu}$) is independent of CP violating phase $\delta$. The condition of magic baseline on its length is well-known. We have proposed another condition which is on neutrino energy. We have shown that magic baseline condition is not possible in general, for small $\theta_{13}$ with non-standard interaction and for large $\theta_{13}$ with both standard and non-standard interactions. However, neutrino energy condition is possible for such cases as well as for cases where magic baseline condition is applicable. We have discussed how one may resolve hierarchy problem for neutrino masses by using such energy condition. For a baseline of length 650 Km, using this energy condition we discuss the possible number of $\mu^-$ events at the detector for a period of 5 years and also the sensitivity in measurement of $\cos^2 \theta_{13}$.
Adhikari Rathin
Rahman Zini
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