Overview of ATLAS forward proton detectors: status, performance and new physics results

Fuente: arXiv
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Main Author: Sopczak, A.
Format: Preprint
Published: 2025
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author Sopczak, A.
author_facet Sopczak, A.
contents A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. However, an important class of physics can be studied for cases where the protons narrowly miss one another and remain intact. In such cases, the electromagnetic fields surrounding the protons can interact producing high-energy photon-photon collisions. Alternatively, interactions mediated by the strong force can also result in intact forward scattered protons, providing probes of quantum chromodynamics (QCD). In order to aid identification and provide unique information about these rare interactions, the instrumentation to detect and measure protons scattered through very small angles is installed in the beam pipe far downstream of the interaction point. We describe the ATLAS Forward Proton `Roman Pot' detectors (AFP and ALFA), their performance of Tracking and Time-of-Flight detectors, and first results.
format Preprint
id arxiv_https___arxiv_org_abs_2502_19530
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Overview of ATLAS forward proton detectors: status, performance and new physics results
Sopczak, A.
High Energy Physics - Experiment
Instrumentation and Detectors
A key focus of the physics program at the LHC is the study of head-on proton-proton collisions. However, an important class of physics can be studied for cases where the protons narrowly miss one another and remain intact. In such cases, the electromagnetic fields surrounding the protons can interact producing high-energy photon-photon collisions. Alternatively, interactions mediated by the strong force can also result in intact forward scattered protons, providing probes of quantum chromodynamics (QCD). In order to aid identification and provide unique information about these rare interactions, the instrumentation to detect and measure protons scattered through very small angles is installed in the beam pipe far downstream of the interaction point. We describe the ATLAS Forward Proton `Roman Pot' detectors (AFP and ALFA), their performance of Tracking and Time-of-Flight detectors, and first results.
title Overview of ATLAS forward proton detectors: status, performance and new physics results
topic High Energy Physics - Experiment
Instrumentation and Detectors
url https://arxiv.org/abs/2502.19530