PoS - Proceedings of Science
Volume 449 - The European Physical Society Conference on High Energy Physics (EPS-HEP2023) - T06 QCD and Hadronic Physics
Towards a general nested soft-collinear subtraction method for NNLO calculations
D.M. Tagliabue* and C. Signorile-Signorile
Full text: pdf
Pre-published on: February 23, 2024
Published on: March 21, 2024
In this proceeding we report on
the recent study [1] performed in the context of
nested soft-collinear subtraction [2].
The scheme is designed to provide a
fully differential and analytic subtraction method for
infrared singularities at next-to-next-to-leading order (NNLO) in QCD.
At variant with respect to the first formulation
of the nested soft-collinear subtraction,
Ref. [1] aims at organising the
subtraction procedure in a way that allows
for a drastic reduction of the complexity related
to the proliferation of the subtraction terms, and
at dealing with arbitrary final states.
In this document we highlight a crucial aspect
of the analysis of Ref. [1]:
the idea of rearranging NNLO subtraction terms
as iterations of few universal structures identified at NLO.
DOI: https://doi.org/10.22323/1.449.0269
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