Multiple singular emission in gauge theories
Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsPublished 10 June 2003Open access
David A. Kosower
Citations106
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Abstract
I derive a class of functions unifying all singular limits for the emission\nof a given number of soft or collinear gluons in tree-level gauge-theory\namplitudes. Each function is a generalization of the single-emission antenna\nfunction of ref. [1]. The helicity-summed squares of these functions are thus\nalso generalizations to multiple singular emission of the Catani--Seymour\ndipole factorization function.\n
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