Constraining the non-standard interaction parameters in long baseline neutrino experiments

Abstract

In this article we investigate the prospects for probing the strength of the possible non-standard neutrino interactions (NSI) in long baseline neutrino oscillation experiments. We find that these experiments are sensitive to NSI couplings down to the level of 0.01-0.1 depending on the oscillation channel and the baseline length, as well as on the detector's fiducial mass. We also investigate the interference of the leptonic CP angle ${\delta }_{CP}$ with the constraining of the NSI couplings. It is found that the interference is strong in the case of the ${\nu }_e\leftrightarrow {\nu }_{\mu }$ and ${\nu }_e\leftrightarrow {\nu }_{\tau }$ transitions but not significant in other transitions. In our numerical analysis we apply the GLoBES software and use the LBNO setup as our benchmark.

arXiv comment15 pages, 2 figures

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