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Showing papers by "Steffen Schaepe published in 2011"

Journal Article•DOI•
Measurement of the differential cross-sections of inclusive, prompt and non-prompt J/Ψ production in proton-proton collisions at √s=7 TeV

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Georges Aad1, Brad Abbott2, Jalal Abdallah, A. A. Abdelalim3  +3042 more•Institutions (179)
21 Sep 2011-Nuclear Physics
TL;DR: In this paper, the cross-section and fraction of J/psi mesons produced in B-hadron decays are measured in proton proton collisions at root s = 7 TeV with the ATLAS detector at the LHC, using 2.3 pb(-1) of integrated luminosity.

202 citations

Journal Article•DOI•
Search for new phenomena in final states with large jet multiplicities and missing transverse momentum using √s = 7 TeV pp collisions with the ATLAS detector

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Georges Aad1, Brad Abbott2, Jalal Abdallah3, A. A. Abdelalim4  +3025 more•Institutions (192)
21 Nov 2011-Journal of High Energy Physics
TL;DR: In this paper, a search for any particle decaying to six or more jets in association with missing transverse momentum was performed using 1.34 fb^-1 of sqrt(s) = 7 TeV proton-proton collisions recorded by the ATLAS detector during 2011.
Abstract: Results are presented of a search for any particle(s) decaying to six or more jets in association with missing transverse momentum. The search is performed using 1.34 fb^-1 of sqrt(s)=7 TeV proton-proton collisions recorded by the ATLAS detector during 2011. Data-driven techniques are used to determine the backgrounds in kinematic regions that require at least six, seven or eight jets, well beyond the multiplicities required in previous analyses. No evidence is found for physics beyond the Standard Model. The results are interpreted in the context of a supersymmetry model (MSUGRA/CMSSM) where they extend previous constraints.

82 citations