New unitarity constraints on the tau row

30 Aug 2021, 17:10
50m
Talk in parallel session Neutrino physics and astrophysics Discussion Panel Neutrinos 1

Speaker

Julia Gehrlein (Brookhaven National Laboratory)

Description

Testing the unitarity of the PMNS matrix can give insights into the existence of additional neutrino generations which would render the 3x3 leptonic mixing matrix non-unitarity. Current oscillation data mostly constrains the electron and muon row of the mixing matrix whereas the tau row still allows for large unitarity violation. Here we will focus on new unitary constraints on the tau row coming from previously overlooked experimental data.

Primary author

Julia Gehrlein (Brookhaven National Laboratory)

Co-author

Peter Denton (Brookhaven National Laboratory)

Presentation Materials

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