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Article
Report number arXiv:2211.14156
Title Universal Decomposition of Phase-Space Integrands
Author(s) Kosower, David A. (IPhT, Saclay ; CERN) ; Page, Ben (CERN)
Publication 2023-05-01
Imprint 2022-11-25
Number of pages 28
Note 59 pages, 4 figures, final journal version
In: Phys. Rev. D 107 (2023) 096006
DOI 10.1103/PhysRevD.107.096006 (publication)
Subject category hep-th ; Particle Physics - Theory ; hep-ph ; Particle Physics - Phenomenology
Abstract One-loop integrands can be written in terms of a simple, process-independent basis. We show that a similar basis exists for integrands of phase-space integrals for the real-emission contribution at next-to-leading order. Our demonstration deploys techniques from computational algebraic geometry to partial-fraction integrands in a systematic way. This takes the first step towards a decomposition of phase-space integrals in terms of a basis of master integrals.
Copyright/License preprint: (License: arXiv nonexclusive-distrib 1.0)
publication: © 2023-2024 authors (License: CC BY 4.0), sponsored by SCOAP³



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