Influence of pixel occupancy on particle identification efficiency and contamination in ALICE TOF

Abstract

momentum of the particles... Figure 13: The dependence of the efficiency and the contamination of track matching on the length of the pixel... Figure 14: The dependence of the efficiency and the contamination of track matching on pixel occupancy for SHAKER... Figure 15: The dependence of the efficiency and the contamination of track matching on pixel occupancy for SHAKER and HIJING generators... Figure 16: The dependence of the efficiency and the contamination of track matching on pixel occupancy for different input charged particle densities dNch/dy of SHAKER... Figure 17: The dependence of the efficiency and the contamination of track matching on pixel occupancy for two radius of the TPC... Figure 18: The dependence of the efficiency and the contamination of track matching on pixel occupancy for two values of the TPC thickness... Figure 19: The dependence of the efficiency and the contamination of track matching on pixel occupancy for two radius of TOF... Figure 20: Mass separation obtained from the TOF barrel (sigma=100ps) for electrons, pions, kaons and protons as a function of momentum ( 3 SHAKER events). Figure 21: Efficiency and contamination of PID vs momentum... Figure 22: Efficiency and contamination of PID vs occupancy... </UL

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