JUNO sensitivity to $^7$Be, $pep$, and CNO solar neutrinos
Langue
en
Article de revue
Ce document a été publié dans
JCAP. 2023, vol. 10, p. 022
Résumé en anglais
The Jiangmen Underground Neutrino Observatory (JUNO), the first multi-kton liquid scintillator detector, which is under construction in China, will have a unique potential to perform a real-time measurement of solar neutrinos ...Lire la suite >
The Jiangmen Underground Neutrino Observatory (JUNO), the first multi-kton liquid scintillator detector, which is under construction in China, will have a unique potential to perform a real-time measurement of solar neutrinos well below the few MeV threshold typical for Water Cherenkov detectors. JUNO's large target mass and excellent energy resolution are prerequisites for reaching unprecedented levels of precision. In this paper, we provide estimation of the JUNO sensitivity to 7Be, pep, and CNO solar neutrinos that can be obtained via a spectral analysis above the 0.45 MeV threshold. This study is performed assuming different scenarios of the liquid scintillator radiopurity, ranging from the most opti mistic one corresponding to the radiopurity levels obtained by the Borexino experiment, up to the minimum requirements needed to perform the neutrino mass ordering determination with reactor antineutrinos - the main goal of JUNO. Our study shows that in most scenarios, JUNO will be able to improve the current best measurements on 7Be, pep, and CNO solar neutrino fluxes. We also perform a study on the JUNO capability to detect periodical time variations in the solar neutrino flux, such as the day-night modulation induced by neutrino flavor regeneration in Earth, and the modulations induced by temperature changes driven by helioseismic waves.< Réduire
Mots clés en anglais
neutrino, solar
scintillation counter, liquid
Cherenkov counter, water
neutrino, flavor
antineutrino, nuclear reactor
target, mass
neutrino, mass
neutrino, flux
JUNO
modulation
sensitivity
spectral
observatory
temperature
regeneration
Borexino
energy resolution
Origine
Importé de halUnités de recherche
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