Abstract
Neutrino decay is one of the popular new physics scenarios in the neutrino sector. There are three active neutrinos, and they can decay into lighter active neutrino state and boson(s), or they can decay into a sterile fermion and boson(s). In visible neutrino decay, neutrinos decay into final active states and boson(s) and these are visible to the detectors. These scenarios are highly constrained. On the other hand, if the active neutrinos decay to some final sterile state, these are invisible to the neutrino detectors. Here in this work, we aim to study the possibility of invisible neutrino decay scenarios in long-baseline experiments. Previous studies show that by combining neutrino oscillation experiments it is possible to improve the constraints in invisible neutrino decay. We, here in this work, have measured the bounds on the invisible decay parameters at DUNE and NO\(\nu \)A experiments. We have also combined the two experiments to see the effect of the combination in improving the bounds on invisible neutrino decay.
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Dey, Z.F., Dutta, D. (2021). Exploring Invisible Neutrino Decay at Long-Baseline Experiments. In: Sengupta, S., Dey, S., Das, S., Saikia, D.J., Panda, S., Podila, R. (eds) Selected Progresses in Modern Physics. Springer Proceedings in Physics, vol 265. Springer, Singapore. https://doi.org/10.1007/978-981-16-5141-0_12
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