Multiple Singular Emission in Gauge Theories

Details Multiple Singular Emission in Gauge Theories Multiple Singular Emission in Gauge Theories

2002-12-06

arxiv.org/abs/hep-ph/0212097v2

Phys.Rev. D67 (2003) 116003

Physics

High Energy Physics

High Energy Physics - Phenomenology

Corrections for final journal version (sign in eqn. (6.11), equation references, typos in indices) & removal of comment about

Scientific paper

10.1103/PhysRevD.67.116003

I derive a class of functions unifying all singular limits for the emission of a given number of soft or collinear gluons in tree-level gauge-theory amplitudes. Each function is a generalization of the single-emission antenna function of ref. [1]. The helicity-summed squares of these functions are thus also generalizations to multiple singular emission of the Catani--Seymour dipole factorization function.

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