1.

Record Nr.

UNINA9910300409103321

Autore

Hall David C (David Christopher)

Titolo

Discovery and Measurement of the Higgs Boson in the WW Decay Channel / / by David Hall

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2015

ISBN

3-319-19989-7

Edizione

[1st ed. 2015.]

Descrizione fisica

1 online resource (175 p.)

Collana

Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053

Disciplina

539.72

Soggetti

Elementary particles (Physics)

Quantum field theory

Mathematical physics

Statistical physics

Dynamical systems

Elementary Particles, Quantum Field Theory

Theoretical, Mathematical and Computational Physics

Complex Systems

Statistical Physics and Dynamical Systems

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Note generali

Description based upon print version of record.

Nota di bibliografia

Includes bibliographical references.

Nota di contenuto

Introduction and Theoretical Background -- Computational Techniques for the LHC -- The ATLAS Experiment -- Overview of the H  WW Analysis.-Signal Modelling -- WW Measurement and Modelling -- Other Backgrounds -- Experimental Results -- Status of Higgs Physics.

Sommario/riassunto

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.