Response function of planar Cd(Zn)Te detectors to beta radiation

Alexandr A. Zakharchenko; Alexandr V. Rybka; Leonid N. Davydov; Vladimir E. Kutny; Manap A. Khazhmuradov; Petro M. Fochuk; Aleksey E. Bolotnikov; Ralph B. James

doi:10.1117/12.2187202

26 August 2015 Response function of planar Cd(Zn)Te detectors to beta radiation

Alexandr A. Zakharchenko, Alexandr V. Rybka, Leonid N. Davydov, Vladimir E. Kutny, Manap A. Khazhmuradov, Petro M. Fochuk, Aleksey E. Bolotnikov, Ralph B. James

Author Affiliations +

Proceedings Volume 9593, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVII; 959318 (2015) https://doi.org/10.1117/12.2187202
Event: SPIE Optical Engineering + Applications, 2015, San Diego, California, United States

Abstract

We investigated the response function of a planar Cd(Zn)Te detector designed for measurement of electron energy spectra and experimentally measured the response of Cd(Zn)Te detector to radiation of ⁹⁰Sr/⁹⁰Y reference radiation source. The obtained experimental spectra were compared with the spectra simulated by the Monte-Carlo method with Geant4 package. We managed to agree the simulated response with the experimental one using only two fitting parameters: products of mobility and average lifetime for electrons and holes. Thereby determined transport parameters of charge carriers were independently verified through the measurement of the positions of low energy ¹³³Ba photopeaks of a reference gamma-ray source.

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Alexandr A. Zakharchenko, Alexandr V. Rybka, Leonid N. Davydov, Vladimir E. Kutny, Manap A. Khazhmuradov, Petro M. Fochuk, Aleksey E. Bolotnikov, and Ralph B. James "Response function of planar Cd(Zn)Te detectors to beta radiation", Proc. SPIE 9593, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XVII, 959318 (26 August 2015); https://doi.org/10.1117/12.2187202

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