One-Loop MHV Amplitudes in Supersymmetric Gauge Theories | Zendy

Callum Quigley | Zendy; Moshe Rozali | Zendy

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One-Loop MHV Amplitudes in Supersymmetric Gauge Theories

Author(s) -

Callum Quigley,

Moshe Rozali

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/01/053

Subject(s) - multiplet , unitarity , feynman diagram , physics , massless particle , scalar (mathematics) , amplitude , loop (graph theory) , mathematical physics , supersymmetric gauge theory , gauge theory , particle physics , supersymmetry , scattering amplitude , quantum electrodynamics , theoretical physics , quantum mechanics , mathematics , combinatorics , geometry , spectral line

Using CSW rules for constructing scalar Feynman diagrams from MHV vertices,we compute the contribution of $\mathcal {N}=1$ chiral multiplet to one-loopMHV gluon amplitude. The result agrees with the one obtained previously usingunitarity-based methods, thereby demonstrating the validity of the MHV-diagramtechnique, in the case of one-loop MHV amplitudes, for all masslesssupersymmetric theories.Comment: 20 pages, 5 figure

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