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Measurement of the Z boson differential cross-section in transverse momentum in the electron-positron channel with the ATLAS detector at LHC.

Abstract : This work presents the measurement of the Z boson differential cross section in transverse momentum (ptz), in the electron-positron decay channel, using the ATLAS detector at the LHC. The measurement is done using 4.64 inverse fb of proton-proton collision data, collected in 2011 at a center-of-mass energy of 7 TeV. The result is combined with an independent measurement done in the muon-antimuon decay channel. The measurement is done up to ptz = 800 GeV, and has a typical uncertainty of 0.5 % for ptz < 60 GeV, rising up to 5 % towards the end of the spectrum. The measurement is compared to theoretical models and Monte Carlo generators predictions.
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https://theses.hal.science/tel-00952940
Contributor : Homero Martinez Connect in order to contact the contributor
Submitted on : Monday, March 3, 2014 - 6:05:33 PM
Last modification on : Tuesday, April 3, 2018 - 10:32:03 AM
Long-term archiving on: : Saturday, May 31, 2014 - 10:45:13 AM

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  • HAL Id : tel-00952940, version 1

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Homero Martinez. Measurement of the Z boson differential cross-section in transverse momentum in the electron-positron channel with the ATLAS detector at LHC.. High Energy Physics - Experiment [hep-ex]. Université Paris-Diderot - Paris VII, 2013. English. ⟨NNT : ⟩. ⟨tel-00952940⟩

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