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Dijet production in √s = 7 TeV proton-proton collisions with large rapidity gaps at the ATLAS experiment

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A 6.8 nb−1 sample of pp collision data collected under low-luminosity conditions at s=7TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two jets with pT>20GeV are selected and analysed in terms of variables which disc...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Anders, Christoph (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Baas, Alessandra Edda (VerfasserIn) , Brandt, Oleg (VerfasserIn) , Davygora, Yuriy (VerfasserIn) , Djuvsland, Julia Isabell (VerfasserIn) , Dunford, Monica (VerfasserIn) , Geisler, Manuel Patrice (VerfasserIn) , Giulini, Maddalena (VerfasserIn) , Hanke, Paul (VerfasserIn) , Jongmanns, Jan (VerfasserIn) , Kluge, Eike-Erik (VerfasserIn) , Kolb, Mathis (VerfasserIn) , Kretz, Moritz (VerfasserIn) , Kugel, Andreas (VerfasserIn) , Lang, Valerie (VerfasserIn) , Lisovyi, Mykhailo (VerfasserIn) , Meier, Karlheinz (VerfasserIn) , Meyer zu Theenhausen, Hanno (VerfasserIn) , Narrias Villar, Daniel Isaac (VerfasserIn) , S̜ahinsoy, Merve (VerfasserIn) , Schätzel, Sebastian (VerfasserIn) , Scharf, Veit (VerfasserIn) , Schmitt, Sebastian (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Sosa Corral, David E. (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Suchek, Stanislav (VerfasserIn) , Wessels, Martin (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 18 January 2016
In: Physics letters
Year: 2016, Jahrgang: 754, Pages: 214-234
ISSN:1873-2445
DOI:10.1016/j.physletb.2016.01.028
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.physletb.2016.01.028
Verlag, lizenzpflichtig, Volltext: http://www.sciencedirect.com/science/article/pii/S037026931600040X
Volltext
Verfasserangaben:ATLAS Collaboration*
Beschreibung
Zusammenfassung:A 6.8 nb−1 sample of pp collision data collected under low-luminosity conditions at s=7TeV by the ATLAS detector at the Large Hadron Collider is used to study diffractive dijet production. Events containing at least two jets with pT>20GeV are selected and analysed in terms of variables which discriminate between diffractive and non-diffractive processes. Cross sections are measured differentially in ΔηF, the size of the observable forward region of pseudorapidity which is devoid of hadronic activity, and in an estimator, ξ˜, 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 ΔηF and small ξ˜, with a diffractive contribution which is significant at the highest ΔηF and the lowest ξ˜. The rapidity-gap survival probability is estimated from comparisons of the data in this latter region with predictions based on diffractive parton distribution functions.
Beschreibung:*ATLAS Collaboration: G. Aad, C.F. Anders, V. Andrei, A.E. Baas, O. Brandt, Y. Davygora, J.I. Djuvsland, M. Dunford, M.P. Geisler, M. Giulini, P. Hanke. J. Jongmanns, E.-E. Kluge, M. Kolb, M. Kretz, A. Kugel, V.S. Lang, M. Lisovyi, K. Meier, H. Meyer zu Theenhausen, D.I. Narrias Villar, M. Sahinsoy, S. Schaetzel, V. Scharf, S. Schmitt, A. Schoening, H.-C. Schultz-Coulon, D. Sosa, R. Stamen, P. Starovoitov, S. Suchek, M. Wessels [und 2836 weitere Personen]
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Beschreibung:Online Resource
ISSN:1873-2445
DOI:10.1016/j.physletb.2016.01.028

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