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Advances in High Energy Physics
Volume 2016, Article ID 9139402, 15 pages
http://dx.doi.org/10.1155/2016/9139402
Research Article

A Comprehensive Study of the Discovery Potential of NOνA, T2K, and T2HK Experiments

School of Physics, University of Hyderabad, Hyderabad 500 046, India

Received 9 November 2015; Revised 22 January 2016; Accepted 28 January 2016

Academic Editor: Filipe R. Joaquim

Copyright © 2016 C. Soumya et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. The publication of this article was funded by SCOAP3.

Abstract

With the recent measurement of reactor mixing angle the knowledge of neutrino oscillation parameters has improved significantly except the CP violating phase , mass hierarchy, and the octant of the atmospheric mixing angle . Many dedicated experiments are proposed to determine these parameters which may take at least 10 years from now to become operational. It is therefore very crucial to use the results from the existing experiments to see whether we can get even partial answers to these questions. In this paper we study the discovery potential of the ongoing NOA and T2K experiments as well as the forthcoming T2HK experiment in addressing these questions. In particular, we evaluate the sensitivity of NOA to determine neutrino mass hierarchy, octant degeneracy, and after running for its scheduled period of 3 years in neutrino mode and 3 years in antineutrino mode. We then extend the analysis to understand the discovery potential if the experiments will run for () years and () years. We also show how the sensitivity improves when we combine the data from NOA, T2K, and T2HK experiments with different combinations of run period. The CP violation sensitivity is marginal for T2K and NOA experiments even for ten-year data taking of NOA. T2HK has a significance above for a fraction of two-fifths values of the space. We also find that can be determined to be better than 35°, 21°, and 9° for all values of for T2K, NOA, and T2HK respectively.