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Preprint
Report number arXiv:2210.08437
Title Model Independent Approach of the JUNO 88B Solar Neutrino Program
Author(s) JUNO Collaboration  Visualizza tutti i 604 autori
Imprint 2022-10-15
Number of pages 24
Note 24 pages, 7 figures
Subject category nucl-ex ; Nuclear Physics - Experiment ; hep-ph ; Particle Physics - Phenomenology ; astro-ph.SR ; Astrophysics and Astronomy ; hep-ex ; Particle Physics - Experiment
Accelerator/Facility, Experiment JUNO
Abstract The physics potential of detecting 88B solar neutrinos is exploited at the Jiangmen Underground Neutrino Observatory (JUNO), in a model independent manner by using three distinct channels of the charged-current (CC), neutral-current (NC) and elastic scattering (ES) interactions. Due to the largest-ever mass of 1313C nuclei in the liquid-scintillator detectors and the potential low background level, 88B solar neutrinos would be observable in the CC and NC interactions on 1313C for the first time. By virtue of optimized event selections and muon veto strategies, backgrounds from the accidental coincidence, muon-induced isotopes, and external backgrounds can be greatly suppressed. Excellent signal-to-background ratios can be achieved in the CC, NC and ES channels to guarantee the 88B solar neutrino observation. From the sensitivity studies performed in this work, we show that one can reach the precision levels of 5%, 8% and 20% for the 88B neutrino flux, sin2θ12sin2θ12, and Δm221Δm221, respectively, using ten years of JUNO data. It would be unique and helpful to probe the details of both solar physics and neutrino physics. In addition, when combined with SNO, the world-best precision of 3% is expected for the 88B neutrino flux measurement.
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Copyright/License preprint: (License: CC BY 4.0)



 


 Record creato 2023-01-26, modificato l'ultima volta il 2024-03-20


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