Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the resu...Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the result,the upper limit of 3×10^(8) pc^(-3)yr^(-1) on the rate-density of evaporating PBHs is set in the vicinity of the solar system at a 99%confidence level.展开更多
基金Supported by the President Foundation of the Chinese Academy of Sciencesthe National Natural Science Foundation of China under Grant No.19135032.
文摘Data taken with ACT2 and ACT3 between 1995 and 1997 are used to search for 0.1 s bursts of TeV gamma ray from evaporating primordial black holes(PBHs).There is no evidence for such bursts in the dataset.Using the result,the upper limit of 3×10^(8) pc^(-3)yr^(-1) on the rate-density of evaporating PBHs is set in the vicinity of the solar system at a 99%confidence level.
