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Response and noise characteristics of small-sized inorganic and organic scintillation detectors measured with vacuum and solid-state photodetectors |
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| Authors: | O.V. Dudnik E.V. KurbatovV.A. Tarasov L.A. AndryushenkoA.Yu. Boyarintsev E. Valtonen |
| Affiliation: | a Kharkiv National University named V.N. Karazin, Kharkiv, Svobody square, 4, 61022 Ukraine b Institute for Scintillation Materials, Kharkiv, Lenin Avenue, 60, 61001 Ukraine c Space Research Laboratory, Department of Physics and Astronomy, University of Turku, 20014 Finland |
| Abstract: | Response and noise properties of scintillation detectors were investigated using a 137Cs radioactive source. The experimental setup consisted of a scintillator, photodetector, amplifier, and spectrometric analog-to-digital converter. Small-sized, cubic crystals were manufactured of stilbene, p-terphenyl and thallium-doped cesium iodide, as well as of a plastic scintillator material based on polystyrene. Vacuum and solid-state photomultipliers and a silicon PIN photodiode were used as photodetectors. The energy equivalent noise was determined for all used photodetectors. The response of various scintillators when using vacuum and semiconductor photomultipliers was found to be closely similar. |
| Keywords: | Scintillation detector Photodetector Photomultiplier Light output |
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