A Primary Result to Search for 3 TeV γ-ray Bursts by using Data of Tibet HD Air Shower Array
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Graphical Abstract
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Abstract
A search for γ ray bursts at 3 TeV energy region was done by using the data of Tibet HD air shower array, which was obtained in the period of Febuary 1997-June 1998. About 2.5×10 9 EAS events were analysed to search for the shower clusters appearing in a fixed time intervial and small sky bin. An equal zenith angle method is used to estimate the background and three different time intervals(Δ t =1, 10, 100 s) were adopted in the research. A part of clusters show excess over the...
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