Hamburg 2016 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 76: Elektroschwache Wechselwirkung (Experiment) II
T 76.4: Vortrag
Mittwoch, 2. März 2016, 17:30–17:45, VMP8 SR 206
Studies towards the measurement of W+W− cross section in pp collisions at √s = 13 TeV at the ATLAS Detector — •Baishali Dutta — DESY, Zeuthen, Germany
The production of pairs of electroweak gauge bosons plays an important role for both, tests of the Standard Model and searches for new physics. With the first run of data-taking at LHC, the W+W− cross section has already been measured at both ATLAS and CMS experiments.
With the data collected by the ATLAS experiment in 2015 comprising an integrated luminosity of 3.3 fb−1, the W+W− cross section measurement will be repeated at a centre-of-energy √s = 13 TeV.
This talk mainly presents studies on the W+W− cross section measurement at a centre-of-energy √s = 13 TeV. The events are selected in the leptonic decay channel i.e both W decaying into two leptons (electrons, muons) and associated missing transverse momentum. The main focus is given to the estimation of various dominating backgrounds using data-driven method.