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  1. Pubblicazioni

Local Analytic Sector Subtraction at NNLO

Articolo
Data di Pubblicazione:
2018
Abstract:
We present a new method for the local subtraction of infrared divergences at next-to-next-to-leading order (NNLO) in QCD, for generic infrared-safe observables. Our method attempts to conjugate the minimal local counterterm structure arising from a sector partition of the radiation phase space with the simplifications following from analytic integration of the counterterms. In this first implementation, the method applies to final-state massless particles. We show how our method compactly organises infrared subtraction at NLO, we deduce in detail the general structure of the subtraction terms at NNLO, and we provide a proof of principle with a complete application to a simple process at NNLO.
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
High Energy Physics - Phenomenology; High Energy Physics - Phenomenology
Elenco autori:
Lorenzo Magnea; Ezio Maina; Giovanni Pelliccioli; Chiara Signorile-Signorile; Paolo Torrielli; Sandro Uccirati
Autori di Ateneo:
MAGNEA Lorenzo
MAINA Ezio
TORRIELLI Paolo
UCCIRATI Sandro
Link alla scheda completa:
https://iris.unito.it/handle/2318/1685483
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1685483/462802/1806.09570.pdf
Pubblicato in:
JOURNAL OF HIGH ENERGY PHYSICS
Journal
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URL

http://arxiv.org/abs/1806.09570v1
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