Characteristics of the 2 m long scintillation counters measured by detecting 90 MeV protons |
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Authors: | V N Goryachev S P Denisov A V Kozelov A A Shchukin |
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Institution: | 1.Institute for High Energy Physics,National Research Center Kurchatov Institute,Protvino, Moscow oblast,Russia |
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Abstract: | The characteristics of scintillation counters measured in a 90-MeV proton beam have been presented. Two-meter long scintillators BC-404 and BC-408, which were viewed from both ends with photoelectron multipliers R1828-01 (PMT) have been used. Both the amplitude and time distributions of the PMT signals are well described by the Gaussian function. It turned out that the amplitude resolution σ(А)/А weakly depends on the type of scintillator and the proton position along the counter, and lies in the interval between 4 and 5%. The best time resolution σ(T) is about 50 ps near the counter ends and 63 ps at the center. |
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