Performance of TPC detector prototype integrated with UV laser tracks for the circular collider

Several new experimental concepts in high-energy particle physics have been proposed recent years. The physical goals include precisely measuring the properties of particles such as Higgs, Z and W, even looking for signs at future colliders. To meet evolving requirements track detector, Time Projection Chamber (TPC) detector prototype integrated with a UV laser system was developed main Circular Electron Positron Collider (CEPC). This consists 6 horizontal tracks around TPC chamber, fast electronics readout 1280 channels, GEM 200 × mm 2 active area, DAQ system. hit resolution, dE/dx resolution drift velocity were studied by analyzing using tracks. measured to be ( 8 . 9 ± 0 4 ) % Extrapolating this CEPC 220 layers longer track, estimated 3 36 26 All results indicated that can work well.