Abstract
Horizon-T is an innovative detector system constructed to study Extensive Air Showers (EAS) in the energy range above 1016 eV coming from a wide range of zenith angles (0°–85°). The system is located at the Tien Shan High-altitude Science Station of the Lebedev Physical Institute of the Russian Academy of Sciences at ∼ 3340 meters above sea level. It consists of eight charged particle detection points separated by distances up to one kilometer as well as an optical detector subsystem to measure the Vavilov-Cherenkov light from the EAS. The time resolution of charged particles and Vavilov-Cherenkov light photons passage of the detector system is a few ns. This level of resolution allows conducting a research of the atmospheric development of individual EAS. This report focuses on a general description of the detector system and the individual sub-systems providing an overview of the operations and latest results.
Highlights
The Tien Shan High-altitude Science Station (TSHSS), of the P
Horizon-T [1] (HT) consists of eight charged particle detection points separated by distances up to one kilometer as well as an optical detector subsystem to view the Vavilov-Cherenkov light from the Extensive Air Showers (EAS)
Data is for the z-plane SD from detection point 2 and includes the clearly seen influence of the long cables used to connect these points to the DAQ
Summary
The Tien Shan High-altitude Science Station (TSHSS), of the P. N. Lebedev Physical Institute of the Russian Academy of Sciences, is located at a height of ∼3340 above sea level. The Horizon-T [1] (HT) detector system was constructed there in order to study both the spatial and temporal distribution of the charged particles within the EAS with a time resolution of few ns. This new method allows to collect more data from each detection point (particle density and time of passage) and increase the measurement precision of the EAS parameters and accurately measure the core position even if it falls outside of the detector system area.
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