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Collinear bootstrap for N=(1,1) SYM theory

A. V. Belitsky1 and V. A. Smirnov2,3

  • 1Department of Physics, Arizona State University, Tempe, Arizona 85287-1504, USA
  • 2Skobeltsyn Institute of Nuclear Physics, Moscow State University, 119992 Moscow, Russia
  • 3Moscow Center for Fundamental and Applied Mathematics, 119992 Moscow, Russia

Phys. Rev. D 112, 105018 – Published 24 November, 2025

DOI: https://doi.org/10.1103/rt29-3dsm

Abstract

We study the multicollinear behavior of tree amplitudes in the six-dimensional N=(1,1) super Yang-Mills theory (sYM). A generalized dimensional reduction of the latter yields the four-dimensional N=4 sYM on the Coulomb branch, which is of interest for considerations of massive or off-shell scattering. To this end, we revisit the calculation of tree scattering in the former theory employing the collinear bootstrap and known massless limits. Assuming the universality of the double-collinear asymptotics, the result for six-leg superamplitudes differs from the one available in the literature. We further extract the triple-collinear splitting superamplitudes from these.

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Corrections

1 December, 2025

Correction: An affiliation for the second author was missing at publication and has been inserted. The last sentence of the Acknowledgments section was incorrect and has been fixed.

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