Antenna Factorization in Strongly-Ordered Limits

Abstract

When energies or angles of gluons emitted in a gauge-theory process are small and strongly ordered, the emission factorizes in a simple way to all orders in perturbation theory. I show how to unify the various strongly-ordered soft, mixed soft-collinear, and collinear limits using antenna factorization amplitudes, which are generalizations of the Catani--Seymour dipole factorization function.

21 pages, 8 figures; final Phys Rev version, corrected definition of multiple-emission recosnstruction functions for strongly-ordered limit, added appendix with new form of double-emission antenna function valid in strongly-ordered limit

References in corpus (3)

• Multi-Parton Amplitudes in Gauge Theories
• Multi-loop Amplitudes and Resummation
• Multiple Singular Emission in Gauge Theories

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