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Detector response and performance of a 500 mu m thick GaAs attached to Timepix3 in relativistic particle beams

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21670%2F20%3A00341383" target="_blank" >RIV/68407700:21670/20:00341383 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1088/1748-0221/15/03/C03013" target="_blank" >https://doi.org/10.1088/1748-0221/15/03/C03013</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1088/1748-0221/15/03/C03013" target="_blank" >10.1088/1748-0221/15/03/C03013</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Detector response and performance of a 500 mu m thick GaAs attached to Timepix3 in relativistic particle beams

  • Original language description

    The performance and response of a Timepix3 detector with a 500 mu m thick GaAs:Cr sensor layer was investigated in different radiation fields. The sensor resistivity was rho approximate to 10(9) Omega cm. Fitting different modified Hecht functions, which take the small pixel effect into account, the mobility-lifetime products of mu(e)tau(e) = (0.773 +/- 0.018 degrees) x 10-4 cm(2)V(-1) and mu(e)tau(e) = (0.996 +/- 0.056) x 10(-4) cm(2)V(-1) were determined. Hereby, the latter value is favored due to the better agreement of fit and data. In a measurement in a 40 GeV/c pion beam, the drift times and charge collection efficiencies were studied as a function of the interaction depth. We present the measured drift velocity as a function of the electric field strength and compare the determined dependence with a model. In a measurement in a mixed ion beam, we study the capability of the detector to separate different ion species. We show the detector response in the form of tracks and discuss heavy ion track features.

  • 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

    <a href="/en/project/EF16_019%2F0000766" target="_blank" >EF16_019/0000766: Engineering applications of microworld physics</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

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

    Journal of Instrumentation

  • ISSN

    1748-0221

  • e-ISSN

    1748-0221

  • Volume of the periodical

    15

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    IT - ITALY

  • Number of pages

    14

  • Pages from-to

  • UT code for WoS article

    000528039600013

  • EID of the result in the Scopus database

    2-s2.0-85084192611