首页--数理科学和化学论文--原子核物理学、高能物理学论文--高能物理学论文--粒子物理学论文--实验与测定论文

ATLAS探测器上质子质子对撞中ZZ,Z及Higgs粒子四轻子衰变道的测量

Abstract第4页
Acknowledgement第5-20页
Chapter 1 Theory第20-26页
    1.1 Standard Model第20-26页
        1.1.1 Elementary Particles in Standard Model第20页
        1.1.2 Interactions in Standard Model第20-26页
Chapter 2 Physics with Four-lepton Final State at the LHC第26-30页
    2.1 Physics with Four-lepton Final State第26-30页
Chapter 3 The LHC and ATLAS第30-38页
    3.1 The Large Hadron Collider第30-32页
    3.2 The ATLAS Detector第32-38页
        3.2.1 The Coordinate System第32页
        3.2.2 The Magnet System第32页
        3.2.3 The Inner Detector第32-34页
        3.2.4 The C alorimetry第34页
        3.2.5 The Muon Spectrometer第34-36页
        3.2.6 The Trigger System第36-38页
Chapter 4 Physics Object Reconstruction第38-42页
    4.1 Electron第38-40页
        4.1.1 Electron Reconstruction第38-39页
        4.1.2 Electron Identification第39-40页
    4.2 Muon第40-42页
Chapter 5 Theoretical Modelling第42-46页
    5.1 Signal and Background Modelling第42-46页
        5.1.1 Kinematic modelling第42-43页
        5.1.2 Higher-order corrections第43-46页
Chapter 6 Common Selections for Four-lepton Analyses第46-50页
    6.1 Event Pre-selection第46-47页
    6.2 4l Signal Selection第47-50页
Chapter 7 The Single Z Cross Section and Branching Fraction Measurement第50-82页
    7.1 Analysis Overview第50页
    7.2 Phase Space and Fiducial Region第50-52页
    7.3 Event Selection第52-53页
    7.4 Efficiency correction factor and fiducial acceptance factor第53-54页
    7.5 Background第54-66页
        7.5.1 Background estimates using MC simulations第55-56页
        7.5.2 Background estimates using data第56-64页
        7.5.3 Background summary第64-66页
    7.6 Systematics第66-69页
        7.6.1 Luminosity uncertainty第66页
        7.6.2 Experimental uncertainties of the signal detection efficiencies第66页
        7.6.3 Theoretical uncertainties第66-68页
        7.6.4 Systematic uncertainties in background estimation第68-69页
        7.6.5 Systemtic uncertainties in cross-section measurement第69页
    7.7 Measurement of the Z→μ~+μ~- Process第69-72页
        7.7.1 Selection and correction factors第70页
        7.7.2 Background第70-72页
        7.7.3 Systematic第72页
    7.8 Results第72-82页
        7.8.1 Observed and predicted events第72页
        7.8.2 Kinematic distributions第72-78页
        7.8.3 Cross-section measurement in fiducial region第78页
        7.8.4 Cross-section measurement in phase space第78-80页
        7.8.5 Branching fraction of Z→4l第80-82页
Chapter 8 Inclusive 4l Analysis第82-152页
    8.1 Analysis Overview第82页
    8.2 Theoretical calculations and uncertainties第82-109页
        8.2.1 Definition of phase space and fiducial region第82-83页
        8.2.2 Cross sections and uncertainties for qq process第83-96页
        8.2.3 Cross sections and uncertainties for gg process第96-109页
    8.3 Event Selection第109-110页
    8.4 Efficiency correction factor and fiducial acceptance factor第110-114页
    8.5 Background第114-120页
        8.5.1 Background estimates using MC simulations第114-115页
        8.5.2 Background estimates from data第115-117页
        8.5.3 Post-fit results第117-120页
    8.6 Systematics第120-128页
        8.6.1 Luminosity uncertainty第121页
        8.6.2 Systematic uncertainties on the signal detection efficiencies第121-128页
    8.7 Results第128-143页
        8.7.1 Observed and predicted events第128页
        8.7.2 Kinematic distributions第128-143页
    8.8 Integrated cross-section measurement第143页
    8.9 Differential cross-section measurements第143-147页
        8.9.1 The unfolding procedure第143-145页
        8.9.2 The response matrix and purity第145页
        8.9.3 Unfolded distribution and systematics第145-147页
    8.10 Extraction of the gg signal strength第147-152页
        8.10.1 Fit method第148-149页
        8.10.2 Result from gg fit第149-152页
Chapter 9 The Higgs width measurement using the off-shell events from ZZ→4l decay channel第152-166页
    9.1 Analysis Overview第152页
    9.2 Theoretical treatment第152-153页
        9.2.1 μ_(off-shell)~H measurement第152页
        9.2.2 Further interpretation as Γ_H第152-153页
    9.3 Preparation for the analysis第153-154页
        9.3.1 Higher-order corrections第153页
        9.3.2 Event selection第153页
        9.3.3 Systematic uncertainties第153-154页
        9.3.4 Background estimation第154页
    9.4 Matrix-element-based analysis第154-159页
        9.4.1 The discriminating variables and ME第154-159页
    9.5 Extraction of the off-shell coupling and decay total width第159-166页
        9.5.1 Probability density function modelling第159页
        9.5.2 Validation using Asimov data第159页
        9.5.3 Results for the off-shell Higgs coupling第159页
        9.5.4 Interpretation as constrain on the total Higgs width第159-166页
Chapter 10 Summary第166-168页
Bibliography第168-170页

论文共170页,点击 下载论文
上一篇:王雪峰教授平肝息风涤痰法治疗儿童多发性抽动症的经验
下一篇:急性淋巴细胞性白血病细胞株中T-型钙通道和钠通道的达与功能