PoS - Proceedings of Science
Volume 421 - Neutrino Oscillation Workshop (NOW2022) - Session I. Oscillation parameters: present
T2K results on long-baseline oscillations
L. Berns* and  On behalf of the T2K collaboration
Full text: pdf
Pre-published on: December 28, 2022
Published on: March 28, 2023
Tokai-to-Kamioka is a long-baseline neutrino oscillation experiment in Japan, studying the oscillations of accelerator-generated muon neutrinos and antineutrinos.
The survival probability of muon (anti)neutrinos is sensitive to $\theta_{23}$ and $\Delta m^2_{32}$,
whereas the appearance probability of electron (anti)neutrinos is sensitive to $\theta_{13}$, the $\theta_{23}$-octant, the CP-violating phase $\delta_\mathrm{CP}$ and neutrino mass ordering.
The latest constraints on these oscillation parameters are presented,
with updates to most parts of the analysis,
including improved flux tuning and interaction model, as well as new near and far detector samples. With ongoing upgrades, T2K will continue to challenge key open questions of the three-flavor oscillation picture that have implications for cosmology, searches for neutrinoless double-beta decay, and flavor symmetries.
DOI: https://doi.org/10.22323/1.421.0002
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