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Weak corrections to four-parton processes

Weak corrections to four-parton processes
Weak corrections to four-parton processes
We report on a calculation of the ‘mixed’ strong and (purely) weak corrections through the order View the MathML source to parton–parton processes in all possible channels at hadron colliders entering the single jet inclusive cross section. At both Tevatron and LHC, such effects are always negligible (below permille level) in the total integrated cross section whilst they become sizable in differential rates. Specifically, if such corrections are defined with respect to the full leading-order result of View the MathML source, we find that, at the FNAL accelerator, they can reach the ?5% benchmark in the jet transverse energy (at the kinematical limit of the machine, rendering their detection quite difficult). At the CERN collider, in the same observable, they exceed the ?10% level already at 1 TeV and can reach ?40% at 4 TeV, kinematic regions where such corrections will be comfortably observable for standard luminosity. In addition, such corrections are somewhat sensitive to the factorisation/renormalisation scale choice.
hadron colliders, electroweak physics, higher-order calculations
0920-5632
50-82
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nolten, M.R.
4f2ad5b9-777d-4337-ab8c-0de1605b4ea2
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f
Moretti, S.
b57cf0f0-4bc3-4e02-96e3-071255366614
Nolten, M.R.
4f2ad5b9-777d-4337-ab8c-0de1605b4ea2
Ross, D.A.
eb79bbfe-fb97-4bb3-813c-98f278e5a55f

Moretti, S., Nolten, M.R. and Ross, D.A. (2006) Weak corrections to four-parton processes. Nuclear Physics B - Proceedings Supplements, 759 (1-2), 50-82. (doi:10.1016/j.nuclphysb.2006.09.028).

Record type: Article

Abstract

We report on a calculation of the ‘mixed’ strong and (purely) weak corrections through the order View the MathML source to parton–parton processes in all possible channels at hadron colliders entering the single jet inclusive cross section. At both Tevatron and LHC, such effects are always negligible (below permille level) in the total integrated cross section whilst they become sizable in differential rates. Specifically, if such corrections are defined with respect to the full leading-order result of View the MathML source, we find that, at the FNAL accelerator, they can reach the ?5% benchmark in the jet transverse energy (at the kinematical limit of the machine, rendering their detection quite difficult). At the CERN collider, in the same observable, they exceed the ?10% level already at 1 TeV and can reach ?40% at 4 TeV, kinematic regions where such corrections will be comfortably observable for standard luminosity. In addition, such corrections are somewhat sensitive to the factorisation/renormalisation scale choice.

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More information

Published date: 18 December 2006
Keywords: hadron colliders, electroweak physics, higher-order calculations

Identifiers

Local EPrints ID: 57486
URI: http://eprints.soton.ac.uk/id/eprint/57486
ISSN: 0920-5632
PURE UUID: c99bc80f-7cf3-43a6-b932-8f7e4eecb858

Catalogue record

Date deposited: 14 Aug 2008
Last modified: 13 Mar 2019 20:34

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