KM3NeT - ORCA: measuring the neutrino mass ordering in the Mediterranean

International audience ORCA (Oscillations Research with Cosmics in the Abyss) is the low-energy branch of KM3NeT, the underwater Cherenkov neutrino detector in the Mediterranean. Its primary goal is to resolve the long-standing unsolved question of the neutrino mass ordering by measuring matter osci...

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Bibliographic Details
Published in:Journal of Physics: Conference Series
Main Author: Kouchner, Antoine
Other Authors: AstroParticule et Cosmologie (APC (UMR_7164)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Observatoire de Paris, Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Centre National de la Recherche Scientifique (CNRS)-Université Paris Cité (UPCité)
Format: Conference Object
Language:English
Published: HAL CCSD 2015
Subjects:
neutrino: mass
neutrino: atmosphere
neutrino: detector
matter: oscillation
KM3NeT
optical
performance
Cherenkov
cascade
tracks
site
[PHYS.ASTR]Physics [physics]/Astrophysics [astro-ph]
Orca
Online Access:https://hal.science/hal-01553887
https://doi.org/10.1088/1742-6596/718/6/062030
Description
Summary:International audience ORCA (Oscillations Research with Cosmics in the Abyss) is the low-energy branch of KM3NeT, the underwater Cherenkov neutrino detector in the Mediterranean. Its primary goal is to resolve the long-standing unsolved question of the neutrino mass ordering by measuring matter oscillation effects in atmospheric neutrinos. To be deployed at the French KM3NeT site, ORCA’s multi-PMT optical modules will exploit the excellent optical properties of deep seawater to reconstruct cascade and track events with a few GeV of energy. This contribution reviews the methods and technology, and discusses the current expected performances.

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