Würzburg 2018 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 83: Elektroschwache Wechselwirkung II
T 83.8: Vortrag
Donnerstag, 22. März 2018, 18:15–18:30, Z6 - SR 1.005
Measurement of the W+W− cross section in pp collisions at √s = 13 TeV at the ATLAS Detector — •Baishali Dutta — DESY Zeuthen, Zeuthen, Germany
W boson pair production plays an important role to understand the Standard Model electroweak sector. Due to the involvement of the triple gauge boson couplings, this process is sensitive to the occurrence of new physics beyond the Standard Model.
With the data collected by the ATLAS experiment in 2015 comprising an integrated luminosity of 3.16 fb−1, the fiducial and total W+W− cross sections have been measured at a centre-of-mass energy of √s = 13 TeV. Signal events are selected where the two W bosons produce an electron, a muon and two associated neutrinos in the final state. This talk presents the results of this cross-section measurement and shows prospects of more precise and differential measurements with the combined 2015 and 2016 ATLAS data.