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Electroweak corrections to hadronic event shapes


Denner, A; Dittmaier, S; Gehrmann, T; Kurz, C (2009). Electroweak corrections to hadronic event shapes. In: RADCOR 2009 - 9th International Symposium on Radiative Corrections, Ascona, 25 October 2009 - 30 October 2009, 1-6.

Abstract

We report on a recent calculation of the electroweak O(\alpha^3\alpha_s) corrections to 3-jet production and related event-shape observables at e+e- colliders. The calculation properly accounts for the experimental photon isolation criteria and for the corrections to the total hadronic cross section. Corrections to the normalised event-shape distributions, which are exemplarily discussed here for the thrust distribution at LEP and linear-collider energies, turn out to be at the few-per-cent level and show remnants of the radiative return to the Z pole even after inclusion of appropriate cuts.

We report on a recent calculation of the electroweak O(\alpha^3\alpha_s) corrections to 3-jet production and related event-shape observables at e+e- colliders. The calculation properly accounts for the experimental photon isolation criteria and for the corrections to the total hadronic cross section. Corrections to the normalised event-shape distributions, which are exemplarily discussed here for the thrust distribution at LEP and linear-collider energies, turn out to be at the few-per-cent level and show remnants of the radiative return to the Z pole even after inclusion of appropriate cuts.

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Additional indexing

Item Type:Conference or Workshop Item (Paper), not refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Event End Date:30 October 2009
Deposited On:05 Jan 2011 11:10
Last Modified:05 Apr 2016 14:32
Additional Information:RADCOR 2009 - 9th International Symposium on Radiative Corrections (Applications of Quantum Field Theory to Phenomenology) October 25-30 2009 Ascona, Switzerland
Free access at:Official URL. An embargo period may apply.
Official URL:http://pos.sissa.it/archive/conferences/092/056/RADCOR2009_056.pdf
Related URLs:http://pos.sissa.it/cgi-bin/reader/conf.cgi?confid=92
Permanent URL: https://doi.org/10.5167/uzh-41450

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