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Automated one-loop calculations in four and D dimensions

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TLDR
In this article, two program packages for evaluating one-loop amplitudes are presented, which can work either in dimensional regularization or in constrained differential renormalization, and they are shown to be equivalent to regularization by dimensional reduction.
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This article is published in Computer Physics Communications.The article was published on 1999-05-01 and is currently open access. It has received 1564 citations till now. The article focuses on the topics: Dimensional regularization & Dimensional reduction.

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Radiative corrections to the Higgs boson couplings in the model with an additional real singlet scalar field

TL;DR: In this paper, renormalized Higgs boson couplings with gauge bosons and fermions at the one-loop level in the model with an additional isospin singlet real scalar field were calculated.
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Higher order corrections to Higgs boson decays in the MSSM with complex parameters

TL;DR: In this paper, a discussion of the full 1-loop results for the partial decay widths of neutral Higgs bosons into lighter neutral higgs boson (h� ₷ →h�⁷ ⁷ ǫ ⁦⁦ ⁔ →h� ₷ Ãǫ Ã Ã ⁓⁔ Ã  Ã →h//////////////// ⁢ Ã
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Gauge-independent renormalization of the 2-Higgs-doublet model

TL;DR: The renormalization of the mixing angles α and β, which diagonalize the Higgs mass matrices and which enter all Higgs observables, is studied in this paper.
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Minimal composite Higgs models at the LHC

TL;DR: In this paper, the authors consider composite Higgs models where the Higgs is a pseudo-Nambu Goldstone boson arising from the spontaneous breaking of an approximate global symmetry by some underlying strong dynamics.
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Global fits of the two-loop renormalized Two-Higgs-Doublet model with soft Z 2 breaking

TL;DR: In this paper, the authors determine the next-to-leading order renormalization group equations for the Two-Higgs-Doublet model with a softly broken Z 2 symmetry and CP conservation in the scalar potential.
References
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Journal ArticleDOI

Regularization and Renormalization of Gauge Fields

TL;DR: In this article, a new regularization and renormalization procedure for gauge theories is presented, which is particularly well suited for the treatment of gauge theories and is transparent when anomalies such as the Bell-Jackiw-Adler anomaly may occur.
Journal ArticleDOI

Feyn Calc - Computer-algebraic calculation of Feynman amplitudes

TL;DR: Feyn Calc as discussed by the authors is a computer program for automatic algebraic calculation of Feynman amplitudes, which can be used to calculate tree level diagrams as well as 1-and 2-loop corrections in the Standard Model.
Journal ArticleDOI

Supersymmetric Dimensional Regularization via Dimensional Reduction

TL;DR: In this article, a modified form of dimensional regularization is introduced which manifestly preserves gauge invariance, unitarity, and global supersymmetry, and also considers its application to supergravity.
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Techniques for the Calculation of Electroweak Radiative Corrections at the One-Loop Level and Results forW-physics at LEP 200

TL;DR: In this paper, a review of the techniques necessary for the calculation of virtual electroweak and soft photonic corrections at the one-loop level is presented. And the full set of analytical formulae and corresponding numerical results for the decay width of the W-boson and the top quark are presented.
Journal ArticleDOI

Automatic generation of tree level helicity amplitudes

TL;DR: The program MadGraph is presented which automatically generates postscript Feynman diagrams and Fortran code to calculate arbitrary tree level helicity amplitudes by calling HELAS[1] subroutines.
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