Long-term afterglow of solid scintillators

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F26722445%3A_____%2F22%3AN0000044" target="_blank" >RIV/26722445:_____/22:N0000044 - isvavai.cz</a>
Result on the web
<a href="https://academic.oup.com/rpd/article-abstract/198/9-11/666/6673011" target="_blank" >https://academic.oup.com/rpd/article-abstract/198/9-11/666/6673011</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1093/rpd/ncac116" target="_blank" >10.1093/rpd/ncac116</a>

Result language
angličtina
Original language name
Long-term afterglow of solid scintillators
Original language description
Most of scintillators used for radiation detection exhibit afterglow, which is emission of light with longer decay times than that of main light pulse. High signal from afterglow has usually negative influence on detection parameters, e.g. for energy resolution in spectrometry measurements. The paper deals with long-term afterglow of some types of scintillators, which is more significant in the case of integral measurement when current in the photodetector is measured. The range of studied decay times was in the order of tens of seconds to days. Seven types of scintillators were measured: BGO, CaF2(Eu), CdWO4, CsI(Tl), LiI(Eu), NaI(Tl) and plastic scintillator. Excitation of scintillators was made using a UV lamp. After UV irradiation, a scintillator was inserted to scintillation detection unit and the anode current of photomultiplier tube was measured with a picoammeter. As results, CaF2(Eu) and plastic scintillator have relatively low long-term afterglow signal compared with other measured scintillators.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10511 - Environmental sciences (social aspects to be 5.7)

Project
<a href="/en/project/LM2015074" target="_blank" >LM2015074: Nuclear Research Reactors LVR-15 and LR-0</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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