Collinear Superspace
Timothy Cohen, Gilly Elor, and Andrew J. Larkoski

TL;DR
This paper introduces a superfield approach to construct a collinear slice of $ abla$ = 1 superspace, simplifying supersymmetric theories by integrating out anti-collinear degrees-of-freedom, with applications to super Yang-Mills.
Contribution
It develops a novel collinear superspace framework for $ abla$ = 1 supersymmetry, enabling new analyses in supersymmetric soft-collinear effective theory.
Findings
Derived a collinear superspace formulation for $ abla$ = 1 supersymmetry.
Applied the framework to $ abla$ = 1 super Yang-Mills theory.
Established a foundation for future supersymmetric soft-collinear effective theory studies.
Abstract
This letter provides a superfield based approach to constructing a collinear slice of = 1 superspace. The strategy is analogous to integrating out anti-collinear fermionic degrees-of-freedom as was developed in the context of soft-collinear effective theory. The resulting Lagrangian can be understood as an integral over collinear superspace, where half the supercoordinates have been integrated out. The application to = 1 super Yang-Mills is presented. Collinear superspace provides the foundation for future explorations of supersymmetric soft-collinear effective theory.
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