Forward Physics at the LHC
Xavier Rouby (for the CMS, ATLAS Collaborations)

TL;DR
This paper reviews the forward physics programs at the LHC, highlighting the specialized detectors and the diverse physics topics such as diffraction, soft QCD, and photon-induced processes explored through these instrumentation.
Contribution
It provides a comprehensive overview of the forward detector systems and their role in expanding the physics reach of the LHC experiments.
Findings
Enhanced coverage of high pseudorapidity regions.
Successful measurements of diffraction and soft QCD interactions.
Implementation of specialized detectors for luminosity normalization.
Abstract
The CMS/TOTEM and ATLAS collaborations carry out a program of forward physics with several near-beam detectors extending their coverage to high pseudorapidities. This instrumentation includes calorimeters (CASTOR and ZDC), tracking devices (TOTEM T1 and T2), proton taggers (Roman Pots and FP420), and instrumentation dedicated to luminosity monitoring and normalisation. A rich physics program is accessible, including soft QCD interactions, Diffraction, photon-induced physics and luminosity measurements.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Particle Detector Development and Performance · Dark Matter and Cosmic Phenomena
