Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-11-12
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 3 figures. To appear in the proceedings of the 10th International Workshop on Neutrino Factories, Super beams and Bet
Scientific paper
This talk is an attempt to underscore in detail the physics reach of an experimental set-up where neutrinos produced in a beta-beam facility at CERN would be observed in the proposed large magnetized iron calorimeter detector (ICAL) at the India-based Neutrino Observatory (INO). The "magical" CERN-INO beta-beam set-up offers an excellent avenue to use the "Golden" channel ($\nu_e \to \nu_{\mu}$) oscillation probability for a simultaneous determination of the neutrino mass ordering and $\theta_{13}$ avoiding the impact of the CP phase $\delta_{CP}$ on these measurements. With Lorentz boost $\gamma=650$ and irrespective of the true value of $\delta_{CP}$, the neutrino mass hierarchy could be determined at $3\sigma$ C.L. if $\sin^22\theta_{13}{\rm {(true)}} > 5.6 \times 10^{-4}$ and we can expect an unambiguous signal for $\theta_{13}$ at $3\sigma$ C.L. if $\sin^22\theta_{13}{\rm {(true)}} > 5.1 \times 10^{-4}$ independent of the true neutrino mass hierarchy.
Agarwalla Sanjib Kumar
Choubey Sandhya
Raychaudhuri Amitava
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