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Towards a general subtraction formula for NNLO QCD corrections to processes at hadron colliders: final states with quarks and gluons

Devoto, Federica; Melnikov, Kirill 1; Röntsch, Raoul ; Signorile-Signorile, Chiara; Tagliabue, Davide Maria 1; Tresoldi, Matteo 1
1 Institut für Theoretische Teilchenphysik (TTP), Karlsruher Institut für Technologie (KIT)

Abstract:

We describe the calculation of integrated subtraction terms in the nested soft-collinear subtraction scheme for hadron collider processes with quarks and gluons, thereby extending the results presented in Ref. [1]. Although this extension eventually proves to be straightforward, it requires a more careful treatment of certain collinear limits to achieve a compact and physically-transparent final result. We also show that the cancellation of infrared divergences can be organized in such a way that, once soft contributions are removed, it occurs independently for each of the external partons. We consider these results to be important stepping stones on the way to deriving finite remainders of the integrated subtraction terms for fully-general hadron collider processes in the context of the nested soft-collinear subtraction scheme.


Volltext §
DOI: 10.5445/IR/1000184414
Veröffentlicht am 02.09.2025
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Theoretische Teilchenphysik (TTP)
Publikationstyp Forschungsbericht/Preprint
Publikationsdatum 19.03.2025
Sprache Englisch
Identifikator KITopen-ID: 1000184414
Verlag arxiv
Serie High Energy Physics - Phenomenology (hep-ph)
Nachgewiesen in arXiv
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