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Feger, Robert: Analysis of new physics in B decaysAnalyse neuer Physik in B-Zerfällen. 2010
Inhalt
Abstract
Zusammenfassung
Contents
Introduction
The Standard Model
Interactions
Particle Content
The Gauge Theory of Electroweak Interactions
Higgs Mechanism
The Cabibbo-Kobayashi-Maskawa Matrix
Quantum Chromodynamics
Running Coupling, Asymptotic Freedom and Confinement
Renormalization
Motivation
Complete Michel Parameter Analysis of Inclusive Semileptonic b->c Transition
Computation of the alpha_s/m_b^2 Corrections to the Inclusive Decay B->X_clnu
Structure of the document
Effective Theories
Properties of Effective Theories
Separation by a large scale
Example: Fermi Theory
Heavy-Quark Effective Theory
Effective Lagrangian and Propagator
Generic Parametrization of New Physics in Quark Mixing
Operators with two-quark and two-lepton fields
Operators with two-quark, gauge or Higgs fields
Application to the b->clnu transition
Power Corrections to the Inclusive Semi-leptonic Decay B->Xclnu
Operator Product Expansion
Trace Formulas
Imaginary Part
Phase Space Parametrization
Results
Total rate
Lepton Energy Spectrum
Cut on the Lepton Energy
Moments
Radiative Corrections
QCD Corrections
Real Corrections
Phase Space Parametrization for the Real Corrections
Feynman Diagrams
Renormalization and Running
Calculation of the Anomalous Dimension
Running of the Wilson Coefficients
Virtual Corrections
Counter Terms
N-Points Integrals
Results of the Radiative Corrections
Mass Scheme
Discussion of the results
Limit on a Right-Handed Admixture to the Weak b->c Current from Inclusive Semileptonic Decays
Transistion from Theory
Analysis
Fit Setup
Determination of |Vcb|
Calculation of the Theory Prediction
Experimental Input
Theoretical Uncertainties
Results
Right Handed Admixture from Exclusive Decays
The alpha_s/m_b^2 Corrections to the Inclusive Decay B->X_clnu
Correction to mu_pi^2 with Reparametrization Invariance
Moments of the Lepton Energy Spectrum
Moments of the hadronic invariant mass
Full Calculation for mu_pi^2
Summary
Complete Michel Parameter Analysis of inclusive semileptonic b->c transition
Limit on a Right-Handed Admixture to the Weak b->c Current from Inclusive Semileptonic Decays
The alpha_s/m_b^2 Corrections to the Inclusive Decay B->X_clnu
Bibliography
Danksagung