The underground muon detector with water Cherenkov technique is constructed as the upgrade of the Tibet air shower array, aiming at a higher sensitivity for gamma-ray observation. In one of the modules (MD-A), the full-sealing large Tyvek bag is used as a closed container. As the MD-A has been operated for more than one year, the long term stability of the performance of such detector is reported.
|Publication status||Published - 2015|
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