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Measurement Of The Drell-Yan Differential Cross-Section D(Sigma)/D(Pt) At High Dilepton Mass In Proton-Proton Collisions At Sqrt(S) = 7 Tev With The Atlas Detector, Kyoko Yamamoto
Graduate Theses and Dissertations
A measurement of the Drell-Yan transverse momentum (pTμμ) distribution above the Z-boson mass region (116 GeV < Mμμ) in proton-proton collisions at a center-of-mass energy of 7 TeV is presented. Results are obtained using Z/γ* → μ+μ- decays in a data sample collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 36 pb-1. The normalized differential cross-section is measured up to pTμμ of 180 GeV. We measure the ratio of the pTμμ distribution in the high mass region to that in the Z-boson mass region and multiply it with ...