Speaker
Dr
T. K. Sako
(Institute for Cosmic Ray Research, the University of Tokyo)
Description
The Tibet air shower array has been observing high-energy cosmic rays and gamma rays at the altitude of 4,300 m in Tibet, China, since 1990.
Its sensitivity toward gamma rays above 10 TeV has been dramatically improved by the underground water-Cerenkov-type muon detector array added in 2014, which discriminates gamma rays from background cosmic-ray nuclei based on the number of muons in their air showers and thus suppresses > 99.9% of background events above 100 TeV.
In this presentation we report the recent results on gamma-ray observations with the Tibet air shower array combined with the muon detector array.
Authors
Dr
T. K. Sako
(Institute for Cosmic Ray Research, the University of Tokyo)
for the Tibet ASgamma experiment
