Searching for TeV Counterparts to BATSE GRBs
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Abstract
Searching for TeV burst-like events coincident with the BATSE GRBs data was made by using the ASγ （Tibet-Ⅲ） data. In the period we analysed, there were 25 BATSE GRBs in the field view of Tibet. A search region was defined by the BATSE 90% confidence level positioning error. A GRB candidate was chosen as a shower cluster appearing in a given small sky window and a given time interval. An equi-zenith-angle method was used to estimate the background. No significant TeV GRBs were detected. The flux upper limit at the 95% confidence level was estimated to be about 7.1×10^-9 γ（cm^2·s） by Monte Carlo simulation.
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