Abstract
The Large Hadron Collider (LHC) Phase-II upgrade aims to increase the accelerator luminosity by a factor of 5–10. Due to the expected higher radiation levels and the aging of the current electronics, a new read-out system of the ATLAS experiment hadronic calorimeter (TileCal) is needed. A Demonstrator prototype of the electronics has been tested during different testbeam campaigns at the Super Proton Synchrotron (SPS) accelerator of CERN with the purpose of checking the calibration and determining the performance of the detector by exploiting the features of the interactions of different particles with matter. We present the current status and results where the Demonstrator new electronics were situated in calorimeter modules and data were collected by exposing it to beams of muons, electrons and hadrons, at various incident energies and impact angles.
Highlights
The High-Luminosity Large Hadron Collider (LHC) (HL-LHC) will have an instantaneous luminosity of five times the nominal design value
ATLAS TileCal [1] is a sampling calorimeter composed of steel plates and plastic scintillator tiles that is divided in four cylindrical barrels: the two central long barrel segments (LBA, LBC) and shorter extended barrel segments (EBA, EBC) at each end
The Phase-II upgrade program of the ATLAS TileCal[2] will compensate for the higher rates of pileup, higher radiation levels and the aging of the current electronics
Summary
The High-Luminosity LHC (HL-LHC) will have an instantaneous luminosity of five times the nominal design value. ATLAS TileCal [1] (figure 1c) is a sampling calorimeter composed of steel plates and plastic scintillator tiles that is divided in four cylindrical barrels: the two central long barrel segments (LBA, LBC) and shorter extended barrel segments (EBA, EBC) at each end (figure 1b). Each cylindrical section is composed of 64 wedge-shaped modules where scintillators are grouped in pseudo-projective cells.
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