MHV Vertices and Fermionic Scattering Amplitudes in Gauge Theory with Quarks and Gluinos

Abstract

The Cachazo-Svrcek-Witten approach to perturbative gauge theory is extended to gauge theories with quarks and gluinos. All googly amplitudes with quark-antiquark pairs and gluinos are computed and shown to agree with the previously known results. The computations of the non-MHV or non-googly amplitudes are also briefly discussed, in particular the purely fermionic amplitude with 3 quark-antiquark pairs.

41 pages, 21 figures; v2, minor changes, references added;v3, 2 important additions, references added

References in corpus (11)

• Multi-Parton Amplitudes in Gauge Theories
• Conformal Supergravity in Twistor-String Theory
• Twistor Space Structure Of One-Loop Amplitudes In Gauge Theory
• Non-MHV Tree Amplitudes in Gauge Theory
• Next-to-Maximal Helicity Violating Amplitudes in Gauge Theory
• Twistor-Space Recursive Formulation of Gauge-Theory Amplitudes
• Two-Loop Helicity Amplitudes for Quark-Quark Scattering in QCD and Gluino-Gluino Scattering in Supersymmetric Yang-Mills Theory
• N=2 strings and the twistorial Calabi-Yau
• Mirror Symmetry and Supermanifolds
• Untwisting the twistor superstring
• Six-Quark Amplitudes from Fermionic MHV Vertices

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• Lectures on Twistor Strings and Perturbative Yang-Mills Theory
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• Of pNGB QuiNtessence
• Twistor Space Structure of the Box Coefficients of N=1 One-loop Amplitudes
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• One-loop MHV Rules and Pure Yang-Mills
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• Coplanarity In Twistor Space Of N=4 Next-To-MHV One-Loop Amplitude Coefficients
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• Models of Modular Inflation and Their Phenomenological Consequences
• Six-Quark Amplitudes from Fermionic MHV Vertices
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• Orbifolding the Twistor String
• The Topological B-Model on Fattened Complex Manifolds and Subsectors of N=4 Self-Dual Yang-Mills Theory
• Central exclusive production as a probe of the gluonic component of the eta' and eta mesons
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• Simplified Chain Inflation
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• One-loop N=8 Supergravity Amplitudes from MHV Diagrams
• A Deformation of Twistor Space and a Chiral Mass Term in N=4 Super Yang-Mills Theory
• Comments on MHV Tree Amplitudes for Conformal Supergravitons from Topological B-Model
• (Non)-supersymmetric Marginal Deformations from Twistor String Theory
• Twistor-inspired construction of massive quark amplitudes
• Diagrammatic proof of the BCFW recursion relation for gluon amplitudes in QCD
• Gauged Linear Sigma Model on Supermanifold
• Recursive equations for arbitrary scattering processes
• Recursive Relations For Processes With n Photons Of Noncommutative QED
• Perturbative Gravity and Twistor Space
• Recursive Approach to One-loop QCD Matrix Elements
• The MHV lagrangian vertices and the Parke-Taylor formula
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• Racetrack Inflation and Cosmic Strings
• Quantum MHV Diagrams
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• Photon emission in a constant magnetic field in 2+1 dimensional space-time