Abstract
A Monte Carlo simulation of real detector effects with as many details as possible has been carried out instead of a simplified Geant point smearing approach during the study of the detector performance. Some results of realistic simulation of the MPD TPC (Time Projection Chamber) including digitization in central Au+Au collisions have been obtained. Particle identification (PID) has been tuned to account for modifications in the track reconstruction. Some results on hadron identification in the TPC and TOF (Time Of Flight) detectors with realistically simulated response have been also obtained.
Highlights
The MPD detector is a large acceptance spectrometer for heavy-ion collisions study at NICA
In this paper only the first results of the Time Projection Chamber (TPC) tracking and TPC+TOF hadron identification performance studies are presented based on the realistic detector response simulation and respectively tuned cluster, hit, track finding and particle identification procedures
Data processing model during the MPD TPC simulation consists of the following steps: event generation, particle transport, TPC response simulation, cluster finding, tracking and dE/dx reconstruction and physics analysis
Summary
The MPD detector is a large acceptance spectrometer for heavy-ion collisions study at NICA. The main scientific goal of the NICA/MPD project is to explore the phase diagram of strongly interacting matter in the region of highly compressed and hot baryonic matter [1]. For this purpose an excellent tracking and particle identification (PID) performance over a significant fraction of the final state phase-space are required. In this paper only the first results of the TPC tracking and TPC+TOF hadron identification performance studies are presented based on the realistic detector response simulation and respectively tuned cluster, hit, track finding and particle identification procedures
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