Probing the sensitivity to leptonic ${\delta }_{CP}$ in presence of invisible decay of ${\nu }_3$ using atmospheric neutrinos

Abstract

One of the main neutrino oscillation parameters whose value has not been determined very precisely is the leptonic ${\delta }_{CP}$ phase. Since neutrinos have a tiny but finite mass they can undergo decay both visibly and invisibly. The effect of invisible decay of the third mass eigen state ${\nu }_3$ on the sensitivity to ${\delta }_{CP}$ is analysed here using atmospheric neutrino and anti-neutrino events. Effects of detector resolutions and systematic uncertainties are studied to identify the optimum resolutions and efficiencies required by a detector to obtain a significant sensitivity even in presence of decay.

updated reference list

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Cited by in corpus (3)

• Tau Neutrinos in the Next Decade: from GeV to EeV
• Exploring invisible neutrino decay at ESSnuSB
• Invisible neutrino decay : First vs second oscillation maximum