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Measurement of the Inelastic Proton-Proton Cross Section at s =13 TeV with the ATLAS Detector at the LHC

Aaboud, M.
•
Aad, G.
•
Abbott, B.
altro
GIORDANI, Mario
2016
  • journal article

Periodico
PHYSICAL REVIEW LETTERS
Abstract
This Letter presents a measurement of the inelastic proton-proton cross section using 60 μb-1 of pp collisions at a center-of-mass energy s of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic scintillators in the forward region (2.07<|η|<3.86) of the detector. A cross section of 68.1±1.4 mb is measured in the fiducial region ξ=MX2/s>10-6, where MX is the larger invariant mass of the two hadronic systems separated by the largest rapidity gap in the event. In this ξ range the scintillators are highly efficient. For diffractive events this corresponds to cases where at least one proton dissociates to a system with MX>13 GeV. The measured cross section is compared with a range of theoretical predictions. When extrapolated to the full phase space, a cross section of 78.1±2.9 mb is measured, consistent with the inelastic cross section increasing with center-of-mass energy.
DOI
10.1103/PhysRevLett.117.182002
WOS
WOS:000390226100002
Archivio
http://hdl.handle.net/11390/1096292
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84994831691
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84994831691&partnerID=40&md5=9752a1236d40f4074aa392e3497aab6d
Diritti
metadata only access
Scopus© citazioni
162
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
187
Data di acquisizione
Mar 27, 2024
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