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NNLO QCD corrections to event orientation in e+e- annihilation.

Gehrmann, T. and Glover, E.W.N. and Huss, A. and Niehues, J. and Zhang, H. (2017) 'NNLO QCD corrections to event orientation in e+e- annihilation.', Physics letters B., 775 . pp. 185-189.

Abstract

We present a new implementation of the NNLO QCD corrections to three-jet final states and related event-shape observables in electron–positron annihilation. Our implementation is based on the antenna subtraction method, and is performed in the NNLOjet framework. The calculation improves upon earlier results by taking into account the full kinematical information on the initial state momenta, thereby allowing the event orientation to be computed to NNLO accuracy. We find the event-orientation distributions at LEP and SLC to be very robust under higher order QCD corrections.

Item Type:Article
Full text:(AM) Accepted Manuscript
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Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1016/j.physletb.2017.10.069
Publisher statement:© 2017 Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Date accepted:28 October 2017
Date deposited:01 November 2017
Date of first online publication:31 October 2017
Date first made open access:No date available

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