Shower development of particles with momenta from 1 to 10 GeV in the CALICE Scintillator-Tungsten HCAL

Abstract

Lepton colliders are considered as options to complement and to extend the\nphysics programme at the Large Hadron Collider. The Compact Linear Collider\n(CLIC) is an $e^+e^-$ collider under development aiming at centre-of-mass\nenergies of up to 3 TeV. For experiments at CLIC, a hadron sampling calorimeter\nwith tungsten absorber is proposed. Such a calorimeter provides sufficient\ndepth to contain high-energy showers, while allowing a compact size for the\nsurrounding solenoid.\n A fine-grained calorimeter prototype with tungsten absorber plates and\nscintillator tiles read out by silicon photomultipliers was built and exposed\nto particle beams at CERN. Results obtained with electrons, pions and protons\nof momenta up to 10 GeV are presented in terms of energy resolution and shower\nshape studies. The results are compared with several GEANT4 simulation models\nin order to assess the reliability of the Monte Carlo predictions relevant for\na future experiment at CLIC.\n