TEST BEAM STUDIES OF BES BARREL SHOWER COUNTER PROTOTYPE
- Received Date: 1900-01-01
- Accepted Date: 1900-01-01
- Available Online: 1987-06-05
Abstract: The BES barrel shower counter prototype was tested with electron and pion beam in the momentum range from 0.2 to 2.0GeV/c at 12GeV PS test beam line of KEK, the preliminary results were reported. Four types of gas mixtures which were used in prototype have been tested: 40% Ar/60% Isobutane, 44.5% Ar/44.5%CH4/11% Methylel, 47%Ar/47%%CH4/6% Methylel, 49.3%Ar/49.3%CH4/1.4% Ethyl alcohol. The results show that using SQS tube as sampling means in BES shower is feasible way for BEPC region.