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A subleading operator basis and matching for gg → H
2017
Journal of High Energy Physics
The Soft Collinear Effective Theory (SCET) is a powerful framework for studying factorization of amplitudes and cross sections in QCD. While factorization at leading power has been well studied, much less is known at subleading powers in the λ≪ 1 expansion. In SCET subleading soft and collinear corrections to a hard scattering process are described by power suppressed operators, which must be fixed case by case, and by well established power suppressed Lagrangians, which correct the leading
doi:10.1007/jhep07(2017)067
fatcat:osh7c25j7rho5knttj7eizojpe