Upgraded experiments with super neutrino beams: Reach versus Exposure
arXiv:hep-ph/0610301 · doi:10.1103/PhysRevD.76.031301
Abstract
We introduce exposure as a means to making balanced comparisons of the sensitivities of long-baseline neutrino experiments to a nonzero θ_{13}, to CP violation and to the neutrino mass hierarchy. We illustrate its use by comparing the sensitivities of possible upgrades of superbeam experiments, namely NOvA*, T2KK and experiments with wide band beams. For the proposed exposures, we find the best nominal CP violation performance for T2KK. For equal exposures, a wide band beam experiment has the best mass hierarchy performance. The physics concept on which NOvA* is based has the best potential for discovering CP violation only for exposures above a threshold value.
arXiv comment4 pages, 2 figures, 1 table. Version to appear as a Rapid Communication in PRD
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