Properties of CdWO4 and ZnWO4 scintillators at liquid nitrogen temperature

被引：32
|
作者：
Klamra, W. [2 ]
Szczesniak, T. [1 ]
Moszynski, M. [1 ]
Iwanowska, J. [1 ]
Swiderski, L. [1 ]
Syntfeld-Kazuch, A. [1 ]
Shlegel, V. N. [3 ]
Vasiliev, Ya V. [3 ]
Galashov, E. N. [3 ]
机构：
[1] Natl Ctr Nucl Res, PL-05400 Otwock, Poland
[2] Royal Inst Technol, S-10691 Stockholm, Sweden
[3] Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia
来源：
JOURNAL OF INSTRUMENTATION | 2012年 / 7卷
关键词：
Scintillators; scintillation and light emission processes (solid; gas and liquid scintillators); Cryogenic detectors; ENERGY RESOLUTION; LIGHT YIELD; CRYSTALS; CAWO4; ROOM;
D O I：
10.1088/1748-0221/7/03/P03011
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
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.
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页数：9
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