National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Study of Lead Tungstate Crystal Scintillators for High Energy Physics Experiments
Burian, Viktor ; Finger, Michael (advisor) ; Pavelková, Tereza (referee)
This thesis describes the measurement of the crystal samples of lead tungstate scintillators. New detectors in high energy physics will need high-quality electro- magnetic calorimeters. Crytur company in collaboration with researchers from Faculty of Mathematics and Physics develop a method to test optical properties of crystals exposed to radiation. More than one hundred samples were already irradiated and measured to render valuable results. Issues with a spectrometer time stability were revealed and addressed. The significance of temperature in- fluence on radiation induced absorption coefficient is still not fully resolved and is open to further investigation. Correlation between data from Prague and Ger- many shows that sample measurement is an adequate method to decide crystal quality. 1

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