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Antenna subtraction at NNLO with hadronic initial states: double real initial-initial configurations


Gehrmann-De Ridder, A; Gehrmann, T; Ritzmann, M (2012). Antenna subtraction at NNLO with hadronic initial states: double real initial-initial configurations. Journal of High Energy Physics, 2012(10):1-40.

Abstract

The antenna subtraction method handles real radiation contributions in higher order corrections to jet observables. The method is based on antenna functions, which encapsulate all unresolved radiation between a pair of hard radiator partons. To apply this method to compute hadron collider observables, initial-initial antenna functions with both radiators in the initial state are required in unintegrated and integrated forms. In view of extending the antenna subtraction method to next-to-next-to-leading order (NNLO) calculations at hadron colliders, we derive the full set of initial-initial double real radiation antenna functions in integrated form.

Abstract

The antenna subtraction method handles real radiation contributions in higher order corrections to jet observables. The method is based on antenna functions, which encapsulate all unresolved radiation between a pair of hard radiator partons. To apply this method to compute hadron collider observables, initial-initial antenna functions with both radiators in the initial state are required in unintegrated and integrated forms. In view of extending the antenna subtraction method to next-to-next-to-leading order (NNLO) calculations at hadron colliders, we derive the full set of initial-initial double real radiation antenna functions in integrated form.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2012
Deposited On:14 Feb 2013 14:08
Last Modified:07 Dec 2017 18:03
Publisher:IOP Publishing
ISSN:1029-8479
Publisher DOI:https://doi.org/10.1007/JHEP10(2012)047

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