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          Institute: MPI für Physik     Collection: YB 2016     Display Documents



ID: 716381.0, MPI für Physik / YB 2016
Dijet production in $\\sqrt{s}=7$ TeV $pp$ collisions with large rapidity gaps at the ATLAS experiment
Authors:ATLAS Collaboration
Date of Publication (YYYY-MM-DD):2016
Title of Journal:Physics Letters B
Journal Abbrev.:Phys.Lett.B
Issue / Number:754
Start Page:214
Audience:Not Specified
Intended Educational Use:No
Abstract / Description:A $6.8 \\ {\\rm nb^{-1}}$ sample of $pp$ collision data collected under low-luminosity conditions at $\\sqrt{s} = 7$ TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two jets with $p_\\mathrm{T} > 20$ 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, $\\tilde{\\xi}$, of the fractional momentum loss of the proton assuming single diffractive dissociation ($pp \\rightarrow pX$). Model comparisons indicate a dominant non-diffractive contribution up to moderately large $\\Delta\\eta^F$ and small $\\tilde{\\xi}$, with a diffractive contribution which is significant at the highest $\\Delta\\eta^F$ and the lowest $\\tilde{\\xi}$. The rapidity-gap survival probability is estimated from comparisons of the data in this latter region with predictions based on diffractive parton distribution functions.
Classification / Thesaurus:ATLAS
Comment of the Author/Creator:17 pages plus author list and cover page (34 pages total), 6 figures submitted to Phys. Lett. B. All figures including auxiliary figures are available at URL href{http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/STDM-2014-04}{this http URL}
External Publication Status:published
Document Type:Article
Communicated by:MPI für Physik
Affiliations:MPI für Physik
Identifiers:LOCALID:MPP-2015-268
URL:http://inspirehep.net/search?p=find+eprint+1511.00...
URL:http://arXiv.org/abs/arxiv:1511.00502
URL:https://publications.mppmu.mpg.de/?action=search&m...
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