Possibilities of Uses of a CZT Detector in Security Applications
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652052%3A_____%2F21%3AN0000029" target="_blank" >RIV/86652052:_____/21:N0000029 - isvavai.cz</a>
Alternative codes found
RIV/60460709:41110/21:89442
Result on the web
<a href="https://www.taylorfrancis.com/chapters/edit/10.1201/9781003218364-9/possibilities-uses-czt-detector-security-applications-anna-selivanova-lubom%C3%ADr-gryc-jan-helebrant" target="_blank" >https://www.taylorfrancis.com/chapters/edit/10.1201/9781003218364-9/possibilities-uses-czt-detector-security-applications-anna-selivanova-lubom%C3%ADr-gryc-jan-helebrant</a>
DOI - Digital Object Identifier
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Alternative languages
Result language
angličtina
Original language name
Possibilities of Uses of a CZT Detector in Security Applications
Original language description
Owing to increasing risks of terrorism, new detection systems able to reveal hidden radioactive sources in luggage or radiological dispersal devices (dirty bombs) are being developed. Due to good spectrometric properties and undemanding operation at room temperature, semiconductor detectors based on CdTe/CdZnTe (CZT) compounds seem to be convenient in these security applications. Therefore, a small CZT detector was selected and tested as a potential spectrometric device. Anticipating location of the detection system in public spaces or social events (e.g., airports, stations, exhibitions or concerts) and possible threats, point sources were assumed at different distances from the CZT detector. In order to test relevant geometries, several sets of Monte Carlo simulations and measurements were prepared. A mathematical model of the CZT detector was adopted from the preceding research. Within the simulations, full energy peak (FEP) efficiency calibrations were obtained, as well as background spectra containing natural radionuclides. Using simulated FEP efficiencies and background spectra, minimum detectable activities (MDA) were calculated. Moreover, in order to test the CZT detector in conditions, where persons with residual activities in bodies (e.g., after nuclear treatments) are measured, male and female phantoms with volume radioactive sources homogeneously distributed in organs were used. Based on the Monte Carlo simulations, experiments with the CZT detector and small standard sources were carried out in real conditions. Results obtained from measurements demonstrated good agreement with simulations.
Czech name
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Czech description
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Classification
Type
C - Chapter in a specialist book
CEP classification
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OECD FORD branch
20305 - Nuclear related engineering; (nuclear physics to be 1.3);
Result continuities
Project
<a href="/en/project/VI20172020104" target="_blank" >VI20172020104: The new generation of portal monitors to ensure the security of the population</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2021
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Book/collection name
Radiation Detection Systems
ISBN
978-1032110875
Number of pages of the result
30
Pages from-to
219 – 248
Number of pages of the book
310
Publisher name
CRC Press
Place of publication
Boca Raton
UT code for WoS chapter
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