PoS - Proceedings of Science
Volume 414 - 41st International Conference on High Energy physics (ICHEP2022) - Neutrino Physics
Measurements of Neutrino Interaction Cross Sections at T2K
G. Zarnecki
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Pre-published on: November 07, 2022
Published on:
Abstract
T2K is a long baseline neutrino experiment producing a beam of muon neutrinos and antineutrinos at the Japan Particle Accelerator Research Centre and measuring their oscillation by comparing the measured neutrino rate and spectrum at a near detector complex and at the water-Cherenkov detector Super Kamiokande, located 295 km away. The intense neutrino beam and the set of near and far detectors offer a unique opportunity to measure neutrino cross sections for interactions on different nuclei (C and O primarily), for different neutrino energies and flavours. In particular, the combination of near detectors at different off-axis angles, enable an improved control on the energy-dependence of the neutrino cross section. T2K is also pioneering new analysis techniques which target the exclusive measurement of the neutrino-interaction final state, including the kinematics of its hadronic part. An overview of most recent T2K cross section analyses will be presented, including a new measurement of coherent pion production in neutrino and antineutrino scattering on Carbon nuclei.
DOI: https://doi.org/10.22323/1.414.0607
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