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IHEP 2013 - 18 (In Russian) | |
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A.I.Makarov,
A.A.Khudyakov
(INR RAS, Moscow, Russia),
V.K.Semenov
((INR RAS, Moscow, Russia), (IHEP, Protvino, Russia)),
A.P.Ostankov,
V.D.Samoilenko,
S.A.Kholodenko
(IHEP, Protvino, Russia)
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| Time resolution studing of counters for new charged hodoscope for NA62 experiment | ||
| Protvino, 2013. – p. 17, figs 19, tables 3, refs.: 11. | ||
Time resolution measurements of prototypes for a new Charge Hodoscope were performed. Different variants of the light collection such as direct light from the brink and from the corner of the scintillator and the light collection by WLS-fibers were considered. As photodetectors we have used silicon photomultipliers SiPM, compact PMT R7400U and green-extended PMT R7899-20. The measurements were performed with cosmic muons and beam halo at channel 21 in the installation of OKA experiment. Reached averaged time resolution for cell $100\times100$~mm${^2}$ is about $\approx 600$~ps for fiber readout and $\approx 300$~ps for direct light collection from the edge.
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