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Electrical characterization of surface properties of the ATLAS17LS sensors after neutron, proton and gamma irradiation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F20%3A00535635" target="_blank" >RIV/68378271:_____/20:00535635 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/20:00347600 RIV/00216208:11320/20:10424413

  • Result on the web

    <a href="https://doi.org/10.1016/j.nima.2020.164456" target="_blank" >https://doi.org/10.1016/j.nima.2020.164456</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1016/j.nima.2020.164456" target="_blank" >10.1016/j.nima.2020.164456</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Electrical characterization of surface properties of the ATLAS17LS sensors after neutron, proton and gamma irradiation

  • Original language description

    The high luminosity upgrade of the Large Hadron Collider, foreseen for 2027, requires the replacement of the ATLAS Inner Detector with a new all-silicon Inner Tracker (ITk). The expected total integrated luminosity of 4000 fb-1 means that the strip part of the ITk detector will be exposed to a large radiation fluence of up to Φeq = 1.6×1015 1 MeV neq/cm and an ionizing dose of 0.66 MGy, including a safety factor of 1.5. Radiation-hard n+-in-p micro-strip sensors for use in the ITk have been developed by the ATLAS ITk Strip Sensor collaboration and produced by Hamamatsu Photonics K.K. In this paper, the results obtained from the electrical characterization of the latest barrel ATLAS17LS sensor prototype, before and after irradiation, are shown. Surface properties of the long-strip barrel, full-sized and miniature sensors have been studied before and after proton, neutron and gamma irradiation up to the maximal fluences and radiation doses specified for theITk Strip tracker. Sensors have been irradiated by protons at CYRIC, Tohoku University (Japan), the ProtonIrradiation Facility at CERN, Karlsruhe Inst. Tech. (Germany) and at the University of Birmingham (UK), by neutrons from the Ljubljana TRIGA reactor (Slovenia) and by gamma rays from the 60Co source in UJP Praha(Czech Republic). It has been verified that the surface radiation damage does not influence the sensor functionality. The breakdown voltage is well above the maximum operational voltage. All the tested surface parameters, such as the inter-strip resistance and capacitance, coupling capacitance and bias resistance satisfy the ATLAS ITk specifications for strip sensors.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Nuclear Instruments & Methods in Physics Research Section A

  • ISSN

    0168-9002

  • e-ISSN

  • Volume of the periodical

    983

  • Issue of the periodical within the volume

    Dec

  • Country of publishing house

    NL - THE KINGDOM OF THE NETHERLANDS

  • Number of pages

    7

  • Pages from-to

    1-7

  • UT code for WoS article

    000581808300003

  • EID of the result in the Scopus database

    2-s2.0-85089569735