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Measurement of the charge collection in irradiated miniature sensors for the upgrade of the ATLAS phase-II strip tracker

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    SYSNO ASEP0540295
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleMeasurement of the charge collection in irradiated miniature sensors for the upgrade of the ATLAS phase-II strip tracker
    Author(s) Cindro, V. (SI)
    Abidi, S. H. (CA)
    Affolder, A.A. (US)
    Kroll, Jiří (FZU-D) ORCID
    Latoňová, Věra (FZU-D) ORCID
    Mikeštíková, Marcela (FZU-D) RID, ORCID
    Number of authors34
    Source TitleNuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
    Roč. 924, April (2019), s. 153-159
    Number of pages7 s.
    Languageeng - English
    CountryNL - Netherlands
    Keywordssilicon ; microstrip ; signal ; ATLAS
    Subject RIVBF - Elementary Particles and High Energy Physics
    OECD categoryParticles and field physics
    R&D ProjectsLTT17018 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    LM2015058 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
    Method of publishingLimited access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000461827900032
    EID SCOPUS85055730243
    DOI10.1016/j.nima.2018.10.007
    AnnotationMiniature sensors with external dimensions of 10 mm x 10 mm were produced together with full-size sensors for the innermost ring (R0) of the end-cap part in the upgraded ATLAS inner tracker (ITk). AC- and DC-coupled n-type strips with three different pitches (wide, default and narrow) were processed on high-resistivity p-type FZ silicon substrates by Hamamatsu Photonics. The miniature sensors were irradiated with 70-MeV protons at CYRIC, Tohoku University (Japan) and reactor neutrons at the Jožef Stefan Institute (Slovenia) to three different 1-MeV neutron equivalent fluences: 0.5, 1 and 2 x 10 15 neq cm −2 . The upper fluence range exceeds the highest anticipated in the innermost part of the ATLAS ITk-Strips over the HL-LHC lifetime ( ∼ 1.25 × 10 15 n eq cm 2 ). The charge collection in the test sensors was evaluated systematically using a 90 Sr β -source and an Alibava analogue readout system at reverse-bias voltages up to 1000 V.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2021
    Electronic addresshttps://doi.org/10.1016/j.nima.2018.10.007
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