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IHEP 2005 - 35 (In English) | |
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| S.P.Denisov, A.K.Klimenko, V.D.Samoylenko (IHEP, Protvino), A.Dzierba, R.Mitchell, E.Scott, P.Smith, S.Teige (Department of Physics, Indiana University, Bloomington, USA) | ||
| Studies of Ttiming and Amplitude Properties for 2 m Long Scintillation Counter with FEU-115M PMT's | ||
| Protvino, 2005. – p. 12, figs. 14 refs.: 16. | ||
Timing and signal pulse height characteristics of a scintillation counter were studied using a 5 GeV/c particle beam at the IHEP accelerator. The scintillation bar was 2 m long and had a cross-section of 2.5 x 2.5 2. It was viewed from both sides by FEU-115M PMT's. The dependences of the signal pulse height and the time resolution on the coordinate along the scintillator are well described by an exponential function with a quadratic term. The counter time resolution was equal to 150 ps and 80 ps at the center and at the edge of the scintillator bar respectively if a constant fraction discriminator was used to avoid the walk-effect. Somewhat better results were obtained for the leading edge discriminator if the signal time and pulse height were measured simultaneously and the walk-effect was corrected off-line.
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