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First measurement of the forward rapidity gap distribution in pPb collisions at 8 TeV

by Dmitry E. Sosnov

Submission summary

As Contributors: Dmitry Sosnov
Preprint link: scipost_202107_00099v2
Date accepted: 2022-03-04
Date submitted: 2022-02-28 21:38
Submitted by: Sosnov, Dmitry
Submitted to: SciPost Physics Proceedings
Proceedings issue: DIS2021
Academic field: Physics
Specialties:
  • High-Energy Physics - Experiment

Abstract

We present the forward rapidity gap spectra from proton-lead collisions for both I\!P-Pb and I\!P-p topologies measured at the CMS at a center-of-mass energy of 8.16 TeV. For the I\!P-Pb topology, the cross-section predicted by EPOS-LHC is a factor of two lower than the data while has reasonable description of the spectrum shape. For the I\!P-p topology, the EPOS-LHC, QGSJET~II and HIJING predictions are significantly lower than the data, what can be explained by a contribution of ultra-peripheral photoproduction events. The obtained data may be of significant input for understanding the high energy limit of QCD and modeling cosmic ray air showers.

Current status:
Publication decision taken: accept

Editorial decision: For Journal SciPost Physics Proceedings: Publish
(status: Editorial decision fixed and (if required) accepted by authors)



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Resubmission scipost_202107_00099v2 on 28 February 2022

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