Prototype of a scintillation detector involving APD photodetectors

A prototype of a new scintillation detector involving APD photodetectors is discussed. The prototype in question consists of a plastic scintillator 96 × 96 × 128 mm in size. Grooves into which a wavelength-shifting fiber is laid are made on lateral faces of the scintillator. A photodiode equipped wi...

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Bibliographic Details
Published in:Physics of atomic nuclei 2015-11, Vol.78 (8), p.929-935
Main Authors: Dzubenko, G. B., Zhigareva, N. M., Mikhaylov, K. R., Romanov, D. V., Stavinsky, A. V., Stolin, V. L., Polozov, P. A., Prokudin, M. S., Sharkov, G. B.
Format: Article
Language:English
Subjects:
Detectors
Elementary Particles and Fields
Particle and Nuclear Physics
Physics
Physics and Astronomy
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Summary:A prototype of a new scintillation detector involving APD photodetectors is discussed. The prototype in question consists of a plastic scintillator 96 × 96 × 128 mm in size. Grooves into which a wavelength-shifting fiber is laid are made on lateral faces of the scintillator. A photodiode equipped with a special amplifier is arranged at the end of this fiber. The results of testing the detector prototype in a proton beam are presented. It is shown that the amplitude of the signal in the prototype changes substantially (by a factor of three to five) with the coordinate of a particle as it traverses the prototype. Thus, the proposed design is position-sensitive. Also, the neutron-detection efficiency was calculated with the aid of the GEANT3 code package.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778815070078