Supersymmetric QCD corrections to and the Bernstein-Tkachov method of loop integration
arXiv:1009.3929 · doi:10.1103/PhysRevD.83.015011
Abstract
The discovery of charged Higgs bosons is of particular importance, since their existence is predicted by supersymmetry and they are absent in the Standard Model (SM). If the charged Higgs bosons are too heavy to be produced in pairs at future linear colliders, single production associated with a top and a bottom quark is enhanced in parts of the parameter space. We present the next-to-leading-order calculation in supersymmetric QCD within the minimal supersymmetric SM (MSSM), completing a previous calculation of the SM-QCD corrections. In addition to the usual approach to perform the loop integration analytically, we apply a numerical approach based on the Bernstein-Tkachov theorem. In this framework, we avoid some of the generic problems connected with the analytical method.
arXiv comment14 pages, 6 figures, accepted for publication in Phys. Rev. D
References in corpus (34)
- Automatized One-Loop Calculations in 4 and D dimensions
- Generating Feynman Diagrams and Amplitudes with FeynArts 3
- SOFTSUSY: a program for calculating supersymmetric spectra
- The Snowmass Points and Slopes: Benchmarks for SUSY Searches
- Reduction schemes for one-loop tensor integrals
- Effective lagrangian for the tbH^+ interaction in the MSSM and charged Higgs phenomenology
- NLO Electroweak Corrections to Higgs Boson Production at Hadron Colliders
- On-Shell Methods in Perturbative QCD
- NNLO Computational Techniques: the Cases H -> gamma gamma and H -> g g
- An algebraic/numerical formalism for one-loop multi-leg amplitudes
- Charged Higgs Boson Production in Bottom-Gluon Fusion
- Associated Production of a Top Quark and a Charged Higgs Boson
- MSSM Higgs Decays to Bottom Quark Pairs revisited
- MSSM Higgs Couplings to Bottom Quarks: Two-Loop Corrections
- All-Purpose Numerical Evaluation of One-Loop Multi-Leg Feynman Diagrams
- Supersymmetric Higgs Yukawa Couplings to Bottom Quarks at next-to-next-to-leading Order
- Complete next-to-leading order QCD corrections to charged Higgs boson associated production with top quark at the CERN Large Hadron Collider
- Relation between the pole and the minimally subtracted mass in dimensional regularization and dimensional reduction to three-loop order
- Algebraic algorithms for multiloop calculations. The first 15 years. What's next?
- Algebraic-Numerical Evaluation of Feynman Diagrams: Two-Loop Self-Energies
- The effective electroweak mixing angle with two-loop fermionic contributions
- Complete Two-Loop Corrections to H -> gamma gamma
- O(alpha_s^2) corrections to fermionic Higgs decays in the MSSM
- Single charged Higgs boson production at next generation linear colliders
- Two-loop electroweak fermionic corrections to sin^2 theta_{eff}^{b anti-b}
- Two-Loop Vertices in Quantum Field Theory: Infrared Convergent Scalar Configurations
- A complete reduction of one-loop tensor 5- and 6-point integrals
- Multi-Parton Scattering Amplitudes via On-Shell Methods
- Loop effects and non-decoupling property of SUSY QCD in
- Two-Loop Tensor Integrals in Quantum Field Theory
- Looking for the Charged Higgs Boson
- Two-Loop Vertices in Quantum Field Theory: Infrared and Collinear Divergent Configurations
- Associated Higgs Boson Production with heavy Quarks in e+e- Collisions: SUSY--QCD Corrections
- QCD Corrections to t anti-b H^- Associated Production in e^+ e^- Annihilation