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Nonsinglet pentagons and NMHV amplitudes


Abstract Scattering amplitudes in maximally supersymmetric gauge theory receive a dual description in terms of the expectation value of the super Wilson loop stretched on a null polygonal contour. This makes the analysis amenable to nonperturbative techniques. Presently, we elaborate on a refined form of the operator product expansion in terms of pentagon transitions to compute twist-two contributions to NMHV amplitudes. To start with, we provide a novel derivation of scattering matrices starting from Baxter equations for flux-tube excitations propagating on magnon background. We propose bootstrap equations obeyed by pentagon form factors with nonsinglet quantum numbers with respect to the R-symmetry group and provide solutions to them to all orders... (more)
Created Date 2015-05-05
Contributor Belitsky, Andrei (ASU author) / College of Liberal Arts and Sciences / Department of Physics
Series NUCLEAR PHYSICS B
Type Text
Extent 62 pages
Language English
Identifier ISSN: 10.1016/j.nuclphysb.2015.05.002 / ISSN: 0550-3213 / ISSN: 1873-1562
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Citation Belitsky, A. (2015). Nonsinglet pentagons and NMHV amplitudes. Nuclear Physics B, 896, 493-554. doi:10.1016/j.nuclphysb.2015.05.002
Collaborating Institutions ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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