Wednesday, July 10, 2013

1307.2519 (Vernon Barger et al.)

Configuring the Long-Baseline Neutrino Experiment    [PDF]

Vernon Barger, Atri Bhattacharya, Animesh Chatterjee, Raj Gandhi, Danny Marfatia, Mehedi Masud
We study the neutrino oscillation physics performance of the Long-Baseline Neutrino Experiment (LBNE) in various configurations. In particular, we compare the case of a surface detector at the far site augmented by a near detector, to that with the far site detector placed deep underground but no near detector. In the latter case, information from atmospheric neutrino events is also utilized. For values of \theta_{13} favored by reactor experiments and a 100 kT-yr exposure, we find roughly equivalent sensitivities to the neutrino mass hierarchy, the octant of \theta_{23}, and to CP violation. We also find that as the exposure is increased, the near detector helps increase the sensitivity to CP violation substantially more than atmospheric neutrinos.
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