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Upgraded Cherenkov time-of-flight detector for the AFP project

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    SYSNO ASEP0570243
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleUpgraded Cherenkov time-of-flight detector for the AFP project
    Author(s) Nožka, L. (CZ)
    Avoni, G. (IT)
    Banas, E. (PL)
    Brandt, A. (US)
    Černý, K. (CZ)
    Davis, P.M. (US)
    Pinto, S.D. (US)
    Georgiev, V. (CZ)
    Hrabovský, M. (CZ)
    Komárek, T. (CZ)
    Korcyl, K. (PL)
    Lopez-Paz, I. (ES)
    Milovanovic, M. (DE)
    Mladenovic, G. (RS)
    Orlov, D.A. (US)
    Rijssenbeek, M. (US)
    Schovánek, Petr (FZU-D) RID, ORCID
    Sýkora, T. (CZ)
    Trzebinski, M. (PL)
    Urbášek, Vladimír (FZU-D) ORCID
    Zich, J. (CZ)
    Number of authors21
    Source TitleOptics Express. - : Optical Society of America - ISSN 1094-4087
    Roč. 31, č. 3 (2023), s. 3998-4014
    Number of pages17 s.
    Languageeng - English
    CountryUS - United States
    KeywordsToF ; Cherenkov time-of-flight detector ; AFP
    Subject RIVBN - Astronomy, Celestial Mechanics, Astrophysics
    OECD categoryParticles and field physics
    R&D ProjectsLTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Research InfrastructureCERN-CZ II - 90104 - Fyzikální ústav AV ČR, v. v. i.
    Method of publishingOpen access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000928904000005
    EID SCOPUS85147021491
    DOI10.1364/OE.480624
    AnnotationWe present the results of our performance studies of the upgraded Cherenkov time-of-flight (ToF) detector for the AFP (ATLAS Forward Proton) project. The latest version consists of solid L-shaped fused silica bars, new customized ALD-coated micro-channel plate photomultipliers (MCP-PMTs) miniPlanacon XPM85112-S-R2D2 with an extended lifetime which operate at low gains (order of 103), and an updated construction. The improvements were aimed to increase the efficiency, the lifetime as well as the radiation hardness of the detector which has been designed to operate in high radiation areas (above 400 kGy/year). The detector was finally tested at the CERN-SPS test-beam facility (120 GeV pi+ particles) in August 2021 prior to its installation at the Large Hadron Collider at CERN. Measurements proved the detector kept its inner timing resolution of 20 ps despite the rather low gain of its photodetector and reduced optical throughput caused by inevitable changes in the detector geometry.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2024
    Electronic addresshttps://hdl.handle.net/11104/0346941
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