A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
JUNO sensitivity to low energy atmospheric neutrino spectra (2021)
The JUNO Collaboration. (2021). JUNO sensitivity to low energy atmospheric neutrino spectra. European Physical Journal C, 81(10), Article 887. https://doi.org/10.1140/epjc/s10052-021-09565-z
JYU-tekijät tai -toimittajat
Julkaisun tiedot
Julkaisun kaikki tekijät tai toimittajat: The JUNO Collaboration
Lehti tai sarja: European Physical Journal C
ISSN: 1434-6044
eISSN: 1434-6052
Julkaisuvuosi: 2021
Volyymi: 81
Lehden numero: 10
Artikkelinumero: 887
Kustantaja: Springer
Julkaisumaa: Saksa
Julkaisun kieli: englanti
DOI: https://doi.org/10.1140/epjc/s10052-021-09565-z
Julkaisun avoin saatavuus: Avoimesti saatavilla
Julkaisukanavan avoin saatavuus: Kokonaan avoin julkaisukanava
Julkaisu on rinnakkaistallennettu (JYX): https://jyx.jyu.fi/handle/123456789/78196
Julkaisu on rinnakkaistallennettu: https://repo.scoap3.org/records/65217
Tiivistelmä
Atmospheric neutrinos are one of the most relevant natural neutrino sources that can be exploited to infer properties about cosmic rays and neutrino oscillations. The Jiangmen Underground Neutrino Observatory (JUNO) experiment, a 20 kton liquid scintillator detector with excellent energy resolution is currently under construction in China. JUNO will be able to detect several atmospheric neutrinos per day given the large volume. A study on the JUNO detection and reconstruction capabilities of atmospheric νe and νμ fluxes is presented in this paper. In this study, a sample of atmospheric neutrino Monte Carlo events has been generated, starting from theoretical models, and then processed by the detector simulation. The excellent timing resolution of the 3” PMT light detection system of JUNO detector and the much higher light yield for scintillation over Cherenkov allow to measure the time structure of the scintillation light with very high precision. Since νe and νμ interactions produce a slightly different light pattern, the different time evolution of light allows to discriminate the flavor of primary neutrinos. A probabilistic unfolding method has been used, in order to infer the primary neutrino energy spectrum from the detector experimental observables. The simulated spectrum has been reconstructed between 100 MeV and 10 GeV, showing a great potential of the detector in the atmospheric low energy region.
YSO-asiasanat: hiukkasfysiikka; neutriinot; ilmaisimet
Vapaat asiasanat: neutrinos
Liittyvät organisaatiot
OKM-raportointi: Kyllä
Raportointivuosi: 2021
JUFO-taso: 2