Perturbative calculations for standard model precision physics : Higgs production and Yang-Mills gradient flow / Tobias Neumann. Wuppertal, 2015
Inhalt
- Contents
- I Introductory part
- II Top mass effects in differential and exclusive Higgs production through gluon fusion
- 2 Introduction to gluon fusion
- 3 Calculation and setup
- 4 Results and discussion
- 4.1 Input parameters and notation
- 4.2 Jet-veto at .9plus.9minus.910.95.9NNLO
- 4.3 Inclusive Higgs+jet at .9plus.9minus.910.95.9NLO
- 4.4 Distributions of the hardest jet at .9plus.9minus.910.95.9NLO
- 5 Summary
- III Probing the Higgs-gluon coupling
- 6 Introduction to the Higgs-gluon coupling
- 7 Basis of dimension-7 operators and their implementation
- 8 Kinematical Distributions
- 9 Conclusions
- IV The perturbative QCD gradient flow to three loops
- 10 Introduction to perturbative gradient flow
- 11 Calculation of the action density
- 11.1 Analytical calculation of flowtime integrals
- Direct integration over flowtimes.
- Two-loop example.
- Integration by parts.
- Mellin-Barnes integration.
- 11.2 Numerical evaluation of the perturbative series
- 11.3 Validation of the calculation
- 12 Results and discussion
- Appendix
- A Documentation of the gradient flow setup
- A.1 Generation of momentum integrals
- A.1.1 Expansion in fundamental gauge fields
- A.1.2 Simplifications and reductions
- Wick and other contractions
- Cancellation of numerators with propagators
- Canonicalization and scaleless integrals
- Checking variable name permutations
- A.1.3 Integration by parts
- A.2 Schwinger parameter representation and sector decomposition
- A.3 Global structure of the setup
- B Numerical integration
- C Normalization factors for kinematical distributions in chapter 8
- Publications
- Bibliography