Publication
Title
First measurement of the forward rapidity gap distribution in pPb collisions at √sNN=8.16 TeV
Author
Institution/Organisation
CMS Collaboration
Abstract
For the first time at LHC energies, the forward rapidity gap spectra from proton-lead collisions for both proton and lead dissociation processes are presented. The analysis is performed over 10.4 units of pseudorapidity at a center-of-mass energy per nucleon pair of ffisffi than in previous measurements of diffractive production in proton-nucleus collisions. For lead dissociation processes, which correspond to the pomeron-lead event topology, the EPOS-LHC generator predictions are a factor of 2 below the data, but the model gives a reasonable description of the rapidity gap spectrum shape. For the pomeron-proton topology, the EPOS-LHC, QGSJET II, and HIJING predictions are all at least a factor of 5 lower than the data. The latter effect might be explained by a significant contribution of ultraperipheral photoproduction events mimicking the signature of diffractive processes. These data may be of significant help in understanding the high energy limit of quantum chromodynamics and for modeling cosmic ray air showers.
Language
English
Source (journal)
Physical review D / American Physical Society. - Ridge, N.Y., 2016, currens
Publication
Ridge, N.Y. : American Physical Society , 2023
ISSN
2470-0029
DOI
10.1103/PHYSREVD.108.092004
Volume/pages
108 :9 (2023) , p. 1-25
Article Reference
092004
ISI
001123626500003
Full text (Publisher's DOI)
Full text (open access)
UAntwerpen
Faculty/Department
Research group
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identifier
Creation 04.03.2024
Last edited 08.03.2024
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