EAN: 9783319199887

DISCOVERY AND MEASUREMENT OF THE HIGGS BOSON IN...

This thesis describes the stand-alone discovery and measurement of the Higgs boson in its
decays to two W bosons using the Run-I ATLAS dataset. This is the most precise measurement of
gluon-fusion Higgs boson production and is among the most significant results attained at the
LHC. The thesis provides an exceptionally clear exposition on a complicated analysis performed
by a large team of researchers. Aspects of the analysis performed by the author are explained
in detail  these include new methods for evaluating uncertainties on the jet binning used in
the analysis and for estimating the background due to associated production of a W boson and an
off-shell photon. The thesis also describes a measurement of the WW cross section  an essential
background to Higgs boson production. The primary motivation of the LHC was to prove or
disprove the existence of the Higgs boson. In 2012  CERN announced this discovery and the
resultant ATLAS publication contained three decay channels: gg  ZZ  and WW.

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