# High Energy Two-Photon Interactions at the LHC

Source: [High Energy Two-Photon Interactions at the LHC](<https://www.sota2.com/research/paper/68fa362d1e209131ce8a7d09>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T21:40:58.034Z

Authors: K. Piotrzkowski

Published: 2002-01-17T17:58:02.000Z

## Abstract

Two-photon events at the LHC are characterized by the protons scattered at very small angles and the particles centrally produced via the photon-photon fusion. To select these events from the huge samples of generic pp interactions a detection of the scattered protons, or tagging two-photon interactions is necessary. It requires installation of the high-resolution position-sensitive detectors close to the proton beam and far from the interaction point. Efficient measurement of the forward-scattered protons will open a new field of studying high-energy photon-photon interactions at remarkable luminosity, reaching 1% of that in pp collisions. In this paper a few aspects of tagging two-photon interactions as well as several most exciting topics in the high-energy two-photon physics at the LHC are presented.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/hep-ex/0201027>)

[PDF](<https://arxiv.org/pdf/hep-ex/0201027.pdf>)