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Discovering CP violation in neutrino oscillation experiment using neutrino beam from electron capture

2012/09/02 by Rahman, Zini, Adhikari, Rathin
#FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph)

paper · doi:10.48550/arxiv.1209.0215

Abstract

Considering the recently obtained value of θ13 from Daya Bay and other reactor experiments we have studied the prospects of considering mono-energetic neutrino beam in studying CP violation in the leptonic sector. Using a neutrino beam from electron capture process for nuclei 11050Sn and 152Yb and considering two baselines - 130 Km and 250 Km with Water Cherenkov detector, we have shown the discovery reach of CP violation in neutrino oscillation experiment. Particularly for 11050Sn nuclei CP violation could be found for about 80% of the possible δ values for a baseline of 130 km with boost factor γ= 500. This result is obtained with conservative choice of neutrino energy resolution using the possible vertex resolution at the detector and taking into account beam spreading. The nuclei 152Yb is although more suitable technically for the production of mono-energetic beam, but is found to be not so suitable for good discovery reach of CP violation.

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