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| Title: | Long-term monitoring of the ANTARES optical module efficiencies using 40K decays in sea water |
|---|---|
| Author: | Albert, A.; André, Michel; Anghinolfi, Marco |
| Other authors: | Centre Tecnològic de Vilanova i la Geltrú; Universitat Politècnica de Catalunya. LAB - Laboratori d'Aplicacions Bioacústiques |
| Abstract: | |
| Subject(s): | -Àrees temàtiques de la UPC::Física::Acústica -Àrees temàtiques de la UPC::Ciències de la visió::Òptica física -Neutrinos -Neutrino astrophysics -Neutrino detectors -Optical radar -Cherenkov light induced by radioactive decay products is one of the major sources of background light for deep-sea neutrino telescopes such as ANTARES. These decays are at the same time a powerful calibration source. Using data collected by the ANTARES neutrino telescope from mid 2008 to 2017 -the time evolution of the photon detection efficiency of optical modules is studied. A modest loss of only 20% in 9 years is observed. The relative time calibration between adjacent modules is derived as well. -Neutrins -Astrofísica -Radar òptic |
| Rights: | Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
| Document type: | Article - Submitted version Article |
| Published by: | Springer |
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