2 documents found, page 1 of 1
The Laser calibration of the Atlas Tile Calorimeter during the LHC run 1
ATLAS Tile Calorimeter system collaboration (238 authors); Santos, S.P.Amor Dos; Araque, J.P.; Castro, A.Blanco; Carvalho, J.; Castro, N.F.This article describes the Laser calibration system of the Atlas hadronic Tile Calorimeter that has been used during the run 1 of the LHC. First, the stability of the system associated readout electronics is studied. It is found to be stable with variations smaller than 0.6 %. Then, the method developed to compute the calibration constants, to correct for the variations of the gain of the calorimeter photomulti...
Triggering events with GPUs at ATLAS
Kama, S.; Soares, J.Augusto; Baines, J.; Bauce, M.; Bold, T.; Muino, P.Conde; Emeliyanov, D.; Goncalo, R.; Messina, A.; Negrini, M.; Rinaldi, L.The growing complexity of events produced in LHC collisions demands increasing computing power both for the online selection and for the offline reconstruction of events. In recent years there have been significant advances in the performance of Graphics Processing Units (GPUs) both in terms of increased compute power and reduced power consumption that make GPUs extremely attractive for use in a complex particl...