Pizza Seminars

Constraint on CP Violation in Neutrino Oscillations

by Thorsten Lux (IFAE)

Europe/Madrid
IFAE Virtual Seminar Room (IFAE)

IFAE Virtual Seminar Room

IFAE

https://zoom.us/j/128758171
Description

The T2K Collaboration has published recently in Nature very exciting results showing the strongest constraint yet on the parameter that governs the breaking of the symmetry between matter and antimatter in neutrino oscillations. T2K has studied how beams of muon neutrinos and antineutrinos transition into electron neutrinos and antineutrinos, respectively. The parameter governing the matter/antimatter symmetry breaking in neutrino oscillation, called δcp phase, can take a value from -180º to 180º. For the first time, T2K has disfavored almost half of the possible values at the 99.7% (3σ) confidence level. This outstanding result is starting to reveal a basic property of neutrinos that have not been measured until now. This is an important step on the way to knowing whether or not neutrinos and antineutrinos behave differently.

Organized by

Marc Manera, Pere Masjuan, Stefano Terzo

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