Testing aerogel Cherenkov counters with n = 1.05 using electrons and muons
Clicks: 141
ID: 270694
2015
A system of threshold aerogel Cherenkov counters with refractive index n = 1.05 has been tested. This system has been designed for e/π separation with energies of up to 450 MeV in experiments aimed at measuring cross sections of e +e −-annihilation into hadrons with the SND detector at the VEPP-2000 collider. The characteristics of the system are presented. The measurements have been taken using electrons and muons from e +e − → e +e − and e +e − → μ+μ− reactions at beam energies of 250–500 MeV. If the mean signal from electrons in the counter is 3.5 photoelectrons, the detection efficiency for electrons is 0.955.
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serednyakov2015instrumentstesting
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| Authors | A. Yu. Barnyakov,M. Yu. Barnyakov,K. I. Beloborodov,V. S. Bobrovnikov,A. R. Buzykaev,V. M. Vesenev,V. B. Golubev,Sergey Kononov,S. V. Koshuba,E. A. Kravchenko,K. A. Martin,A. P. Onuchin,S. I. Serednyakov;A. Yu. Barnyakov;M. Yu. Barnyakov;K. I. Beloborodov;V. S. Bobrovnikov;A. R. Buzykaev;V. M. Vesenev;V. B. Golubev;Sergey Kononov;S. V. Koshuba;E. A. Kravchenko;K. A. Martin;A. P. Onuchin;S. I. Serednyakov; |
| Journal | instruments and experimental techniques |
| Year | 2015 |
| DOI | 10.1134/s0020441215010029 |
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