Z Boson Cross Section Measurements And Neutral Higgs Boson Search In The Di Muon Channel With The Cms Detector
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Z Boson Cross Section Measurements And Neutral Higgs Boson Search In The Di Muon Channel With The Cms Detector
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Author : Xinmei Niu (Ph. D.)
language : en
Publisher:
Release Date : 2019
Z Boson Cross Section Measurements And Neutral Higgs Boson Search In The Di Muon Channel With The Cms Detector written by Xinmei Niu (Ph. D.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
In this thesis, measurements of inclusive and differential Z boson production cross sections in proton-proton collisions at [square root of] s =13 TeV with the CMS detector at Large Hadron Collider are performed with the di-muon channel. The measured total inclusive cross section times branching ratio is or(pp - ZX) x [beta](Z --> [mu][mu]) = 1870 ± 2(stat) ± 35(syst) ± 51(lumi) pb for the di-muon invariant mass in the range of 60 to 120 GeV, which is in good agreement with the next-to-next-to leading order QCD predictions. The spectra of Z boson transverse momentum, ... variable, rapidity, and the muon transverse momentum are also measured and compared with theoretical predictions. The large production cross section of Z boson and good experimental accessibility of final-state muons permit a real-time monitoring of luminosities using the counts of reconstructed Z --> [mu][mu] events. Preliminary results of counting of Z bosons as a luminometer are shown using the entire 2018 data-taking period. A search for beyond Standard Model neutral Higgs bosons decaying to two muons is also presented. No significant excess is observed. A 95% confidence level upper limit is set on ... The exclusion contour is also determined on the parameter phase space in the context of Minimal Supersymmetric Standard Mode representative benchmark scenarios.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2007
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Dissertations, Academic categories.
High Energy Physics Index
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Author :
language : en
Publisher:
Release Date : 1994
High Energy Physics Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Particles (Nuclear physics) categories.
The 10th International Conference On Supersymmetry And Unification Of Fundamental Interactions
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Author : Pran Nath
language : en
Publisher:
Release Date : 2002
The 10th International Conference On Supersymmetry And Unification Of Fundamental Interactions written by Pran Nath and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Grand unified theories (Nuclear physics) categories.
Annual Report Of The European Organization For Nuclear Research
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Author : European Organization for Nuclear Research
language : en
Publisher:
Release Date : 1993
Annual Report Of The European Organization For Nuclear Research written by European Organization for Nuclear Research and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Nuclear physics categories.
Searches For Neutral Higgs Bosons Decaying To Tau Pairs And Measurement Of The Z B Jet Cross Section With The Cms Detector
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Author : Andrew Gilbert
language : en
Publisher:
Release Date : 2014
Searches For Neutral Higgs Bosons Decaying To Tau Pairs And Measurement Of The Z B Jet Cross Section With The Cms Detector written by Andrew Gilbert and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Search For The Standard Model Higgs Boson In The Z Gamma Channel
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Author : Kevin Singh
language : en
Publisher:
Release Date : 2013
Search For The Standard Model Higgs Boson In The Z Gamma Channel written by Kevin Singh and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with categories.
The Higgs decay into a photon and a Z boson, with the Z boson decaying into an electron-positron pair (electron channel) or muon-antimuon pair (muon channel), allows for accurate reconstructions of the Higgs boson mass and measurement of the Higgs to Z-[gamma] coupling. We explore selection criteria for the photon and the two leptons and provide preliminary observed and expected limits for the Higgs boson production cross section in the mass range from 120 GeV to 150 GeV. The data used in this analysis was collected with the CMS detector and corresponds to 5 fb- 1 and 19 fb-1 at center-of-mass energies of 7 TeV and 8 TeV, respectively.
Observation Of A New State In The Search For The Higgs Boson At Cms
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Author : Giovanni Petrucciani
language : en
Publisher: Springer
Release Date : 2014-12-04
Observation Of A New State In The Search For The Higgs Boson At Cms written by Giovanni Petrucciani and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-12-04 with Science categories.
This book describes the searches that lead to the discovery of a Higgs boson performed at CMS, one of the two main experiments at the CERN LHC. After an overview of the theory and of the CMS experiment, all search channels are described, with emphasis on the ones with the best sensitivity. The statistical methodology used to analyse and the outcomes of the searches and the discovery results are then presented in detail.
The Search And Discovery Of The Higgs Boson
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Author : Luis Roberto Flores Castillo
language : en
Publisher: Morgan & Claypool Publishers
Release Date : 2016-01-01
The Search And Discovery Of The Higgs Boson written by Luis Roberto Flores Castillo and has been published by Morgan & Claypool Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-01-01 with Science categories.
This book provides a general description of the search for and discovery of the Higgs boson (particle) at CERN’s Large Hadron Collider. The goal is to provide a relatively brief overview of the issues, instruments and techniques relevant for this search; written by a physicist who was directly involved. The Higgs boson mat be the one particle that was studied the most before its discovery and the story from postulation in 1964 to detection in 2012 is a fascinating one. The story is told here while detailing the fundamentals of particle physics.
Search For The Higgs Boson In The Vector Boson Fusion Channel At The Atlas Detector
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Author : Eric Ouellette
language : en
Publisher: Springer
Release Date : 2015-01-20
Search For The Higgs Boson In The Vector Boson Fusion Channel At The Atlas Detector written by Eric Ouellette and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-20 with Science categories.
This Thesis describes the first measurement of, and constraints on, Higgs boson production in the vector boson fusion mode, where the Higgs decays to b quarks (the most common decay channel), at the LHC. The vector boson fusion mode, in which the Higgs is produced simultaneously with a pair of quark jets, provides an unparalleled opportunity to study the detailed properties of the Higgs, including the possibility of parity and CP violation, as well as its couplings and mass. It thus opens up this new field of study for precision investigation as the LHC increases in energy and intensity, leading the way to this new and exciting arena of precision Higgs research.