12-20 July 2017
Asia/Seoul timezone
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BEXCO - Room F(201/202/203/204)

[CRI211] Study of performance improvement for Air Shower Array with Surface Water Cherenkov Detectors


  • Atsushi SHIOMI

Primary authors



Unlike Imaging Atmospheric Cherenkov Telescopes (IACTs), Extensive Air Shower (EAS) arrays can observe cosmic rays with wide fields of view of about 2 sr and with duty cycles of almost 24 hours every day regardless of weather conditions or the moonlight. Some EAS arrays are located at high altitudes to lower their observation thresholds of cosmic rays and successfully observe gamma rays in the range of several TeV. However, sensitivity of EAS arrays is not as good as IACT mainly because angular resolutions of EAS arrays are low. In this paper, we will discuss a possibility of improving angular resolutions by a hybrid experiment of an EAS array of scintillation detectors using surface water Cherenkov detectors.