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T: Fachverband Teilchenphysik

T 51: Kalorimeter I

T 51.1: Group Report

Tuesday, March 1, 2016, 16:45–17:05, VMP6 HS E

High Luminosity Liquid-Argon Calorimeter Test Beam — •Olga Novgorodova and Arno Straessner — TU Dresden, IKTP

In the future HL-LHC the luminosity will increase by factor of 5-7 with respect to the original LHC design. The HiLum collaboration studied the impact on small-sized modules of the ATLAS electromagnetic, hadronic, and forward calorimeters also instrumented by various intensity and position detectors. The intensity of beam varied over a wide range (10⁶ to 10¹² p/s) and beyond the maximum expected at HL-LHC for these calorimeters.

Results from the last test beam campaign in 2013 on the signal shape analysis from the calorimeter modules are compared with MC simulations. The correlation between high-voltage return currents of the electromagnetic calorimeter and beam intensity is used to estimate critical parameters and compared with predictions.