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  1. Pubblicazioni

Strongly-ordered infrared limits for subtraction counterterms from factorisation

Contributo in Atti di convegno
Data di Pubblicazione:
2022
Abstract:
After a brief introduction to the problem of subtraction of infrared divergences for high-order collider observables, we present a preliminary study of strongly-ordered soft and collinear multiple radiation from the point of view of factorisation. We show that the matrix elements of fields and Wilson lines that describe soft and collinear radiation in factorised scattering amplitudes can be re-factorised in strongly-ordered limits, providing a systematic method to compute them, to characterise their singularity structure, and to build local subtraction counterterms for strongly-ordered configurations. Our results provide tools for a detailed organisation of subtraction algorithms, in principle to all orders in perturbation theory.
Tipologia CRIS:
04B-Conference paper in rivista
Keywords:
High Energy Physics - Phenomenology; High Energy Physics - Phenomenology
Elenco autori:
Lorenzo Magnea; Calum Milloy; Chiara Signorile-Signorile; Paolo Torrielli; Sandro Uccirati
Autori di Ateneo:
MAGNEA Lorenzo
TORRIELLI Paolo
UCCIRATI Sandro
Link alla scheda completa:
https://iris.unito.it/handle/2318/1886946
Link al Full Text:
https://iris.unito.it/retrieve/handle/2318/1886946/1074899/2209.06102.pdf
Pubblicato in:
POS PROCEEDINGS OF SCIENCE
Journal
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URL

http://arxiv.org/abs/2209.06102v1
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