2011•Bulletin of the Russian Academy of Sciences PhysicsRequires access
Observation of Vavilov-Cherenkov radiation and EAS charged particles at large zenith angles
R. U. Beisembaev, Yu. N. Vavilov, M. I. Vildanova, N. G. Vildanov, V. V. Zhukov, А. В. Круглов, R.A. Nam, V. P. Pavlyuchenko, V. A. Ryabov, A. V. Stepanov, Zh.S. Takibaev, V. I. Yakovlev
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Abstract
Extensive air showers (EASes) at zenith angles of 70–80 degrees with Vavilov-Cherenkov radiation having two and three maxima were registered at the Tian Shan Mountain Station of the Lebedev Physical Institute. In each such event, the subsequent maxima came with a time delay of 100 or more nanoseconds. Extensive air showers at a zenith angle of 70° with charged particles and Vavilov-Cherenkov radiation were also registered.