Exploring fake solutions in the sterile neutrino sector at long-baseline experiments

Abstract

Active-sterile neutrino mixing is known to affect the neutrino oscillation probabilities at both short as well as long-baselines. In particular, constraints on active-sterile neutrino oscillation parameters can be obtained from long-baseline experiments such as T2HK and DUNE. We present here existence of fake solution in the appearance channel for the 3+1 scenario at long-baseline experiments. We show that the appearance probability is same for values of $\Delta m_{41}^2$ for which the fast oscillations are averaged out and for $\Delta m_{41}^2=(1/2)\Delta m_{31}^2$. The fake solution does not appear for the disappearance channel.

arXiv comment17 pages, 6 figures, accepted with some modifications

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Cited by in corpus (6)

• Study of light sterile neutrino at the long-baseline experiment options at KM3NeT
• Prospects of light sterile neutrino searches in long-baseline neutrino oscillations
• On ${\theta }_{23}$ Octant Measurement in $3+1$ Neutrino Oscillations in T2HKK
• Prospects and requirements of opaque detectors in accelerator neutrino experiments
• Exploring the new physics phases in 3+1 scenario in neutrino oscillation experiments
• Sterile sector impacting the correlations and degeneracies among mixing parameters at the Deep Underground Neutrino Experiment