Heidelberg 2022 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 20: Neutrino Physics without Accelerators 1
T 20.2: Vortrag
Montag, 21. März 2022, 16:35–16:50, T-H33
Studies on the sensitivity for the Neutrino Mass Ordering Measurement of JUNO — •Nikhil Mohan1,3, Alexandre Goettel2,3, Philipp Kampmann1, Runxuan Liu2,3, Livia Ludhova2,3, Luca Pelicci2,3, Mariam Rifai2,3, Apeksha Singhal2,3, and Cornelius Vollbrecht2,3 — 1GSI Helmholtz Centre for Heavy Ion Research, Darmstadt — 2Forschungszentrum Jülich GmbH, Nuclear Physics Institute IKP-2, Jülich — 3III. Physikalisches Institut B, RWTH Aachen University, Aachen
JUNO is a multipurpose 20 kton liquid scintillator detector under construction in a 700 m underground laboratory in China, positioned 53 km from Yangjiang and Taishan nuclear power plants. The central detector is being built with high photocathode coverage of 78%, provided by 17,612 20-inch PMTs (LPMTs) and 25,600 3-inch PMTs (SPMTs). The unprecedented expected energy resolution at 3%/√E[MeV] and the large fiducial volume anticipated for the JUNO detector offers exciting opportunities for addressing many important topics in neutrino and astroparticle physics.
This talk will focus on the primary physics goal of JUNO, which is the determination of Neutrino Mass Ordering (NMO) via the measurement of the vacuum oscillation pattern of the reactor antineutrinos. JUNO will detect the antineutrinos of electron flavor via the Inverse Beta Decay (IBD) interaction with a 1.8 MeV energy threshold. The estimated sensitivity to the NMO is a 3-4 σ significance with at least six years of data taking.