Two-loop $\mathcal{N}=2$ SQCD amplitudes with external matter from iterated cuts

@inproceedings{Kalin2018TwoloopS,
  title={Two-loop \$\mathcal\{N\}=2\$ SQCD amplitudes with external matter from iterated cuts},
  author={Gregor Kalin and Gustav Mogull and Alexander Ochirov},
  year={2018}
}
We develop an iterative method for constructing four-dimensional generalized unitarity cuts inN = 2 supersymmetric Yang-Mills (SYM) theory coupled to fundamental matter hypermultiplets (N = 2 SQCD). For iterated two-particle cuts, specifically those involving only four-point amplitudes, this implies simple diagrammatic rules for assembling the cuts to any loop order, reminiscent of the rung rule in N = 4 SYM. By identifying physical poles, the construction simplifies the task of extracting… CONTINUE READING

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Two-loop supersymmetric QCD and half-maximal supergravity amplitudes

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