Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/9443
Title: Dijet Production in Root S=7 Tev Pp Collisions With Large Rapidity Gaps at the Atlas Experiment
Authors: Aad, G.
Abbott, B.
Abdallah, J.
Abdinov, O.
Aben, R.
Abolins, M.
Adye, T.
Keywords: Deep-Inelastic Scattering
Qcd Analysis
Factorization
Diffraction
Herwig
Publisher: Elsevier
Abstract: A 6.8 nb(-1) sample of pp collision data collected under low-luminosity conditions at root s = 7 TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two jets with p(T) > 20 GeV are selected and analysed in terms of variables which discriminate between diffractive and non-diffractive processes. Cross sections are measured differentially in Delta eta(F), the size of the observable forward region of pseudorapidity which is devoid of hadronic activity, and in an estimator, (xi) over tilde, of the fractional momentum loss of the proton assuming single diffractive dissociation (pp -> pX). Model comparisons indicate a dominant non-diffractive contribution up to moderately large Delta eta(F) and small (xi) over tilde, with a diffractive contribution which is significant at the highest Delta eta(F) and the lowest (xi) over tilde. The rapidity-gap survival probability is estimated from comparisons of the data in this latter region with predictions based on diffractive parton distribution functions. (C) 2016 CERN for the benefit of the ATLAS Collaboration. Published by Elsevier B.V.
URI: https://doi.org/10.1016/j.physletb.2016.01.028
https://hdl.handle.net/20.500.11851/9443
ISSN: 0370-2693
1873-2445
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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