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Properties of CdWO4 and ZnWO4 scintillators at liquid nitrogen temperature
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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2012 (English)In: Journal of Instrumentation, ISSN 1748-0221, Vol. 7, no 3, P03011- p.Article in journal (Refereed) Published
Abstract [en]

Two samples of 10 mm diameter and 10 mm height CdWO4 and ZnWO4 scintillators were studied at room and liquid nitrogen temperatures. At room temperature the crystals were coupled to a Photonis XP3212 photomultiplier. During experiments at low temperatures a Large Area Avalanche Photodiode was used as a photodetector. Measurements of light output, c of the light yield and intrinsic resolution as a function of gamma-ray energies were performed at both temperatures. The non-proportionality for the two crystals reveals temperature dependence, showing a more proportional behavior at liquid nitrogen temperature. Intrinsic energy resolution values for both crystals also show temperature dependence.

Place, publisher, year, edition, pages
2012. Vol. 7, no 3, P03011- p.
Keyword [en]
Scintillators, scintillation and light emission processes (solid, gas and liquid scintillators), Cryogenic detectors
National Category
Physical Sciences
URN: urn:nbn:se:kth:diva-96742DOI: 10.1088/1748-0221/7/03/P03011ISI: 000304015300059ScopusID: 2-s2.0-84859597725OAI: diva2:532428
QC 20120611Available from: 2012-06-11 Created: 2012-06-11 Last updated: 2012-06-11Bibliographically approved

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Klamra, Wlodzimierz
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