Study of water Cherenkov detector to determine air shower arrival directions with accuracy


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  • uploaded July 12, 2021

Discussion timeslot (ZOOM-Meeting): 16. July 2021 - 18:00
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'In recent years, a few groups have reported detections of gamma rays in the 100 TeV region from astronomical objects in the galaxy using extensive air shower arrays.rnThese observations have certainly taken a new step in the research of cosmic-ray acceleration mechanisms.rnSeveral spread TeV gamma-ray sources have been observed in the galaxy.rnTo study the acceleration mechanisms, it is important to investigate a correlation between gamma-ray source and molecular cloud and to identify the exact gamma-ray emission region.rnIn extensive air shower experiments, an arrival direction of a cosmic ray is determined by estimating the shape of its air shower front based on a detected secondary particle density distribution and detection time.rnHere, we report a study on shapes of water Cherenkov detector to determine arrival directions of air showers with good accuracy.'

Authors: Atsushi Shiomi | Hiroki Nakada | Yusaku KATAYOSE | Munehiro Ohnishi | Takashi K. Sako | Hibino Kinya
Indico-ID: 750
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Presenter: Atsushi Shiomi

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