Accès ouvert déclaré
2025
preprint
Fluorescence emission of the JUNO liquid scintillator
M. Beretta, Fatima Houria, F. Ferraro, D. Basilico, A. Brigatti, B. Caccianiga, Aurelio Caslini, Cecilia Landini, P. Lombardi, Luca Pelicci, E. Percalli, G. Ranucci, A. Re, Catia Clementi, F. Ortica, A. Romani, V. Antonelli, M. Giammarchi, L. Miramonti, P. Saggese, Marco Danilo Claudio Torri, S. Aiello, Giuseppe Andronico, Andrea Barresi, Antonio Bergnoli, M. Borghesi, R. Brugnera, Raimondo Bruno, A. Budano, Antonio Cammi, Vanessa Cerrone, R. Caruso, D. Chiesa, Claudio Coletta, Luca D’Auria, S. Dusini, Andrea Fabbri, G. Felici, A. Garfagnini, N. Giudice, А. В. Гавриков, M. Grassi, Nunzio Guardone, Lorenzo Lastrucci, I. Lippi, Lorenzo Loi, Claudio Lombardo, Fabio Mantovani, S. M. Mari, A. Martini, M. Montuschi, M. Nastasi, D. Orestano, A. Paoloni, F. Petrucci, E. Previtali, Bernardo Ricci, G. Sava, Andrea Serafini, C. Sirignano, M. Sisti, L. Stanco, E. Stanescu Farilla, Virginia Strati, C. Tuvé, Carlo Venettacci, G. Verde, L. Votano
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Résumé fourni par la source
JUNO is a huge neutrino detector that will use 20 kton of organic liquid scintillator as its detection medium. The scintillator is a mixture of linear alkyl benzene (LAB), 2.5 g/L of 2,5-diphenyloxazole (PPO) and 3 mg/L of 1,4-Bis(2-methylstyryl)benzene (Bis-MSB). The main goal of JUNO is to determine the Neutrino Mass Ordering [1, 2, 3]. In order to achieve this purpose, good energy and position reconstruction is required, hence a complete understanding of the optical characteristics of the liquid scintillator is mandatory. In this paper we present the measurements on the JUNO scintillator emission spectrum, absorption length and fluorescence time distribution performed respectively with a spectrofluorimeter, a spectrophotometer and a custom made setup
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
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Sujets associés
Astrophysics and Cosmic PhenomenaRadiation Detection and Scintillator TechnologiesParticle Detector Development and Performance