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ATLAS探测器上的底夸克标记校准和希格斯粒子衰变到底夸克对的观测

Abstract第7页
Chapter1 Introduction第12-18页
Chapter2 Theoretical and Experimental Overview of the Higgs Boson第18-40页
    2.1 The Standard Model of Particle Physics第18-24页
        2.1.1 The Standard Model particles and interactions第18-20页
        2.1.2 The Standard Model lagrangian第20-21页
        2.1.3 The Higgs mechanism第21-24页
    2.2 Higgs Boson Phenomenology at the LHC第24-30页
        2.2.1 Higgs boson production第25-28页
        2.2.2 Higgs boson decays第28-30页
    2.3 Higgs Boson Measurements at the LHC第30-35页
        2.3.1 Higgs boson discovery第30-31页
        2.3.2 Higgs boson characterisation: bosonic decays第31-32页
        2.3.3 Higgs boson characterisation: mass第32页
        2.3.4 Higgs boson characterisation: spin and parity第32-34页
        2.3.5 Higgs boson characterisation: fermionic decays第34页
        2.3.6 Higgs boson characterisation: production modes第34-35页
        2.3.7 Higgs boson characterisation: overall picture第35页
    2.4 Drawbacks of the Standard Model第35-40页
Chapter3 The ATLAS Experiment at the LHC第40-56页
    3.1 The Large Hadron Collider第40-44页
        3.1.1 Proton acceleration in the LHC第40-42页
        3.1.2 Proton collisions in the LHC第42-43页
        3.1.3 History of the LHC and evolution of the beam parameters第43-44页
    3.2 The ATLAS detector第44-56页
        3.2.1 The ATLAS coordinate system第47页
        3.2.2 The Inner Detector第47-49页
        3.2.3 The calorimeter第49-51页
            3.2.3.1 The electromagnetic calorimeter第49-51页
        3.2.4 The hadronic calorimeter第51-52页
        3.2.5 The muon spectrometer第52-53页
        3.2.6 The ATLAS data taking and the ATLAS trigger system第53-56页
Chapter4 Object Reconstruction and Performance第56-72页
    4.1 Charged particle track reconstruction第56-59页
    4.2 Primary vertex reconstruction第59页
    4.3 Electron and photon reconstruction第59-65页
    4.4 Jet reconstruction第65-67页
    4.5 Muon reconstruction第67-68页
    4.6 Tau lepton reconstruction第68-69页
    4.7 Missing transverse energy reconstruction第69-72页
Chapter5 b-jet identification in the ATLAS experiment: algorithms and performance第72-112页
    5.1 b-tagging algorithms in ATHENA release 20.7第73-79页
    5.2 b-jet efficiency calibration with ATHENA release 20.7 and 2015-2016 data第79-112页
        5.2.1 Data and simulated event samples第79-80页
        5.2.2 Efficiency measurement method第80-82页
        5.2.3 Object selection第82-83页
        5.2.4 Event and probe jet selection第83-87页
        5.2.5 Multivariate event discriminant第87-98页
            5.2.5.1 BDT Training第94页
            5.2.5.2 Optimisation of the requirement on BDT output第94-98页
        5.2.6 Statistical uncertainties第98-101页
        5.2.7 Systematic uncertainties第101-106页
            5.2.7.1 Impact from the limited size of the simulation samples第102-103页
            5.2.7.2 Luminosity uncertainty第103页
            5.2.7.3 Uncertainties in the background cross sections第103页
            5.2.7.4 MC modelling第103-104页
            5.2.7.5 Z+heavy-flavour jets modelling第104页
            5.2.7.6 Light- and c-jet mis-tag rates第104页
            5.2.7.7 Detector-related uncertainties第104-106页
            5.2.7.8 Fake lepton background uncertainty第106页
        5.2.8 Results第106-112页
            5.2.8.1 Results of the calorimeter-jet calibration第106页
            5.2.8.2 Results of the track-jet calibration第106-112页
Chapter6 Evidence of VH, H→b(?) production 1016.1 Overview of the EPS 2017 analysis第112-180页
    6.1 Overview of the EPS 2017 analysis第112-114页
    6.2 Data sample第114-115页
    6.3 Simulated samples第115-118页
    6.4 Event selection第118-126页
        6.4.1 Common event selection第120-124页
        6.4.2 0-lepton channel specific selection第124-125页
        6.4.3 1-lepton channel specific selection第125页
        6.4.4 2-lepton channel specific selection第125-126页
    6.5 Event classification第126-127页
    6.6 Multivariate analysis第127-135页
    6.7 Multi-jet background estimation第135-138页
    6.8 Systematic uncertainties第138-151页
        6.8.1 Experimental uncertainties第139-140页
        6.8.2 Simulated background modelling uncertainties第140-148页
            6.8.2.1 V+jets background uncertainties第141-145页
            6.8.2.2 tt background uncertainties第145页
            6.8.2.3 Single-top background uncertainties第145-146页
            6.8.2.4 Diboson background uncertainties第146-148页
        6.8.3 Multi-jet background uncertainties第148页
        6.8.4 Signal modelling uncertainties第148-151页
    6.9 Statistical Analysis第151-156页
        6.9.1 Fit inputs第152-153页
        6.9.2 Nuisance parameters: normalisation and systematic uncertainties第153-156页
        6.9.3 Nuisance parameters: smoothing and pruning第156页
    6.10 Results第156-173页
    6.11 Cross-check: the diboson analysis第173-174页
    6.12 Cross-check: the dijet-mass analysis第174-180页
Chapter7 Observation of VH production and H→b(?) decays, and future prospects 1697.1 Analysis of 2017 data and observation of H→b(?) decays and of VH production第180-224页
    7.1 Analysis of 2017 data and observation of H→bb decays and of VH production第180-189页
    7.2 Observation of H→b(?) decays by the CMS Collaboration第189-192页
    7.3 VH simplified template cross section measurements with H→b(?) decays第192-214页
        7.3.1 The Simplified Template Cross Section framework第192-194页
        7.3.2 Simplified Template Cross Section measurements with VH, H→bb第194-214页
            7.3.2.1 QCD scale uncertainties第205-210页
            7.3.2.2 PDF and α_s uncertainties第210页
            7.3.2.3 Parton shower and underlying event model uncertainties第210-212页
            7.3.2.4 Results第212-214页
    7.4 Prospects for the VH,H→bb measurement at the HL-LHC第214-224页
Chapter8 Conclusion第224-228页
Liste des figures第228-240页
Liste des tables第240-246页
Bibliography第246-254页

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