Abstract
This document describes the different calibration strategies and techniques applied by the two general purpose experiments at the LHC, ATLAS and CMS, and discusses them underlining their respective strengths and weaknesses from the view of the author. The resulting performances of both calorimeters are described and compared on the basis of selected physics results. Future upgrade plans for High Luminosity LHC (HL-LHC) are briefly introduced and planned calibration strategies for the upgraded detectors are shown.
Highlights
JINST CCalibration Techniques and Strategies for the Present and Future Large Hadron Collider (LHC) Electromagnetic Calorimeters
The ATLAS [1] and CMS [2] detectors are multipurpose particle physics experiments with forwardbackward symmetric cylindrical geometry at the CERN Large Hadron Collider (LHC)
On top of that timing information obtained from dedicated timing detectors located between tracker and calorimeter (CMS: |η| < 3, ATLAS: 2.4 < |η| < 4.0) with a timing resolution for minimum ionizing particles (MIPs) of σt ≈ 30 ps will supplement the position information provided by the trackers
Summary
Calibration Techniques and Strategies for the Present and Future LHC Electromagnetic Calorimeters. M. Aleksa on behalf of the ATLAS and CMS collaborations CERN, Geneva 23, 1211 Geneva, Switzerland. : This document describes the different calibration strategies and techniques applied by the two general purpose experiments at the LHC, ATLAS and CMS, and discusses them underlining their respective strengths and weaknesses from the view of the author. The resulting performances of both calorimeters are described and compared on the basis of selected physics results. Future upgrade plans for High Luminosity LHC (HL-LHC) are briefly introduced and planned calibration strategies for the upgraded detectors are shown
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