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Measurement of Differential Cross Section of Photon and Jets Events in Pp Collision at 7 TeV

Lin, Chuanzhe
Format
Thesis/Dissertation; Online
Author
Lin, Chuanzhe
Advisor
Hirosky, Robert
Abstract
We present a measurement of the triple-differential cross section in photon+jets final states using a data sample from proton-proton collisions at 7 TeV. This sample corresponds to an integrated luminosity of 2.14 fb^−1 collected by the Compact Muon Solenoid (CMS) detector at the Large Hadron Collider (LHC). Photons and jets are reconstructed within a pseudorapidity range of |η| < 2.5, and are required to have transverse momentum in the range 40 < p_γ < 300 GeV and p_jet > 30 GeV, respectively. The measurements are compared to theoretical predictions from the sherpa leading-order Monte Carlo event generator and the next-to-leading-order perturbative QCD calculation from jetphox. The predictions are found to be consistent with the data over much of the examined kinematic region.
Language
English
Published
University of Virginia, Department of Physics, PHD (Doctor of Philosophy), 2014
Published Date
2014-01-30
Degree
PHD (Doctor of Philosophy)
Collection
Libra ETD Repository
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