Date of Award

2016

Degree Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

Graduate Group

Physics & Astronomy

First Advisor

Ira J. Kroll

Abstract

This thesis presents two diboson measurements with the ATLAS experiment. The first is a differential measurement of Higgs boson observables in the four-lepton decay channel at $\sqrt{s}=8$ TeV. The second presents a first measurement of the WZ diboson production cross section in the three-lepton decay channel at $\sqrt{s}=13$ TeV. Special emphasis is given to the identification techniques of prompt electrons, particularly the likelihood identification first introduced in 2012 data taking, and electron efficiency measurements in the ATLAS detector.

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