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Response of timepix detector with GaAs:Cr and Si sensor to heavy ions

  • Methods of Physical Experiment
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Abstract

The response of the Timepix detector to neon ions with kinetic energy 77 and 158.4 MeV has been studied at the cyclotron U-400M of the JINR Flerov Laboratory of Nuclear Reaction. Sensors produced from gallium arsenide compensated by chromium and from silicon are used for these measurements. While in Timepix detector with Si sensor the well-known so-called “volcano effect” observed, in Timepix detector with GaAs:Cr sensor such effect was completely absent. In the work the behavior of the Timepix detector with GaAs:Cr sensor under irradiation with heavy ions is described in comparison with the detector based on Si sensor. Also the possible reason for absence of “volcano” effect in GaAs:Cr detector is proposed.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Russia

    S. M. Abu Al Azm, G. Chelkov, D. Kozhevnikov, A. Guskov, A. Lapkin, A. Leyva Fabelo, P. Smolyanskiy & A. Zhemchugov

  2. Saratov State University, Saratov, Russia

    P. Smolyanskiy

  3. CEADEN, Havana, Cuba

    A. Leyva Fabelo

Authors
  1. S. M. Abu Al Azm
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  2. G. Chelkov
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  3. D. Kozhevnikov
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  4. A. Guskov
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  5. A. Lapkin
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  6. A. Leyva Fabelo
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  7. P. Smolyanskiy
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  8. A. Zhemchugov
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Corresponding author

Correspondence to P. Smolyanskiy.

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Abu Al Azm, S.M., Chelkov, G., Kozhevnikov, D. et al. Response of timepix detector with GaAs:Cr and Si sensor to heavy ions. Phys. Part. Nuclei Lett. 13, 363–369 (2016). https://doi.org/10.1134/S154747711603002X

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  • DOI: https://doi.org/10.1134/S154747711603002X

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