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Observation of a diffractive contribution to dijet production in proton-proton collisions at \sqrt{s} =7 TeV

CMS Collaboration; Chatrchyan, S; Khachatryan, V; Sirunyan, A M; Tumasyan, A; et al (2013). Observation of a diffractive contribution to dijet production in proton-proton collisions at \sqrt{s} =7 TeV. Physical Review D (Particles, Fields, Gravitation and Cosmology), 87(1):012006.

Abstract

The cross section for dijet production in proton-proton collisions at √s=7  TeV is presented as a function of ξ˜, a variable that approximates the fractional momentum loss of the scattered proton in single-diffractive events. The analysis is based on an integrated luminosity of 2.7  nb-1 collected with the CMS detector at the LHC at low instantaneous luminosities, and uses events with jet transverse momentum of at least 20 GeV. The dijet cross section results are compared to the predictions of diffractive and nondiffractive models. The low-ξ˜ data show a significant contribution from diffractive dijet production, observed for the first time at the LHC. The associated rapidity gap survival probability is estimated.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Scopus Subject Areas:Physical Sciences > Nuclear and High Energy Physics
Physical Sciences > Physics and Astronomy (miscellaneous)
Language:English
Date:2013
Deposited On:08 Mar 2013 09:25
Last Modified:08 Jun 2025 01:40
Publisher:American Physical Society
ISSN:1550-2368
OA Status:Hybrid
Publisher DOI:https://doi.org/10.1103/PhysRevD.87.012006
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