Testing aerogel Cherenkov counters with n = 1.05 using electrons and muons

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ID: 270694
2015
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Abstract
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.
Reference Key
serednyakov2015instrumentstesting Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
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
URL
https://sciprofiles.com/publication/view/4d1bae5cffc43d3e17067d847f98f51f
Keywords
performance efficiency electron irradiation refractive index

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