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A subtraction scheme for computing QCD jet cross sections at NNLO: integrating the subtraction terms I


Somogyi, G; Trócsányi, Z (2008). A subtraction scheme for computing QCD jet cross sections at NNLO: integrating the subtraction terms I. Journal of High Energy Physics, (8):042.

Abstract

In previous articles we outlined a subtraction scheme for regularizing doubly-real emission and real-virtual emission in next-to-next-to-leading order (NNLO) calculations of jet cross sections in electron-positron annihilation. In order to find the NNLO correction these subtraction terms have to be integrated over the factorized unresolved phase space and combined with the two-loop corrections. In this paper we perform the integration of all one-parton unresolved subtraction terms.

Abstract

In previous articles we outlined a subtraction scheme for regularizing doubly-real emission and real-virtual emission in next-to-next-to-leading order (NNLO) calculations of jet cross sections in electron-positron annihilation. In order to find the NNLO correction these subtraction terms have to be integrated over the factorized unresolved phase space and combined with the two-loop corrections. In this paper we perform the integration of all one-parton unresolved subtraction terms.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute for Computational Science
Dewey Decimal Classification:530 Physics
Language:English
Date:August 2008
Deposited On:06 Mar 2009 13:39
Last Modified:06 Dec 2017 18:56
Publisher:Institute of Physics Publishing
ISSN:1029-8479
Publisher DOI:https://doi.org/10.1088/1126-6708/2008/08/042
Related URLs:http://arxiv.org/abs/0807.0509

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