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Observation of diffraction with the CMS experiment at the Large Hadron Collider

2011/02/03 by D. Volyanskyy, Dmytro Volyanskyy, Volyanskyy, Dmytro
Physics and Astronomy · #Cosmology and Gravitation Theories #FOS: Physical sciences #High Energy Physics - Experiment (hep-ex) #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ex

paper · pdf · doi:10.48550/arxiv.1102.0708

7 pages, 9 figures

arxiv created 2011/02/03 · openalex publication_date 2011/02/03 · arxiv updated 2011/02/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

A clear evidence of inclusive diffraction observed by the CMS detector at the Large Hadron Collider in minimum bias events at √(s)=0.9 TeV, 2.36 TeV is presented. The observed diffractive signal is dominated by inclusive single-diffractive dissociation and can be identified by the presence of a Large Rapidity Gap that extends over the forward region of the CMS detector. A comparison of the data with Monte Carlo predictions provided by PYTHIA6 and PHOJET generators is given. In addition, first observation of the single-diffractive production of di-jets at √(s)=7 TeV is presented.

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