Abstract

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Highlights

  • The centrality and the reaction plane orientation in heavy ion collisions will be measured by the forward hadron calorimeters in the CBM and MPD experiments [1, 2]

  • The Projectile Spectator Detector (PSD) supermodule response was studied at the T10 beamline of Proton Synchrotron (PS) at CERN

  • The energy resolution of the supermodule is in good agreement with the resolution measured earlier for a single module [4]

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Summary

Introduction

The centrality and the reaction plane orientation in heavy ion collisions will be measured by the forward hadron calorimeters in the CBM and MPD experiments [1, 2]. Forward hadron calorimeters that are currently constructed for these experiments will measure mainly the energy of projectile spectators and the energy of produced particles near the beam axis. Similar hadron calorimeter is used at NA61 experiment and its response has been studied at proton energies in the range of 20 - 150 GeV. CBM supermodule response study for hadrons in momentum range 2 – 6 GeV/c at CERN test beams” in The 3rd International Conference on Particle Page 333. The response of the full hadron calorimeter must be comprehensively investigated at low proton and pion energies. For this purpose, the calorimeter supermodule with larger transverse sizes was constructed and tested at the T10 test beamline at CERN. First preliminary experimental results of calorimeter supermodule response at hadron momenta of 2–6 GeV/c are reported

PSD CBM supermodule
Experimental setup at the T10 beamline at CERN
Energy calibration of the PSD supermodule
Supermodule response to pions and protons
Conclusions

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