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Observation of a Higgs Boson decaying to photons using multivariate techniques at CMS
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Patel, Rishi. Observation of a Higgs Boson decaying to photons using multivariate techniques at CMS. Retrieved from https://doi.org/doi:10.7282/T3VQ333T

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TitleObservation of a Higgs Boson decaying to photons using multivariate techniques at CMS
NamePatel, Rishi (author); Gershtein, Yuri (chair); Lath, Amitabh (internal member); Pryor, Carlton (internal member); Zamolodchikov, Alexander (internal member); Haas, Andrew (outside member); Rutgers University; Graduate School - New Brunswick
Date Created2014
Other Date2014-10 (degree)
SubjectPhysics and Astronomy, Higgs bosons, Hadron colliders, Photons
Extent1 online resource (xiv, 159 p. : ill.)
DescriptionThe results for the observation of a Higgs boson decaying into two photons with the full Run 1 dataset from the Large Hadron Collider is presented. The analysis is performed with the CMS detector at the Large Hadron Collider from pp collisions at centre of mass energy of 7 TeV and 8 TeV, which correspond to integrated luminosities of 5.1$fb^{-1}$ and 19.7$fb^{-1}$ respectively. The sequence of the analysis from vertex selection, photon energy reconstruction, photon identification and finally event selection is done using multivariate techniques. The Higgs boson is observed as a significant excess of events in the diphoton invariant mass spectrum from 100 to 180 GeV. The best fit signal strength $mu=sigma_{obs}/sigma_{SM}$ gives the compatibility of the observed cross-section with the predicted cross-section from the Standard Model. In addition, the analysis accounts for different Higgs production mechanisms to target the Higgs couplings to the top quark and also the W and Z vector bosons.
NotePh.D.
NoteIncludes bibliographical references
Noteby Rishi Patel
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3VQ333T
Languageeng
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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