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Mass effects in the Higgs-gluon coupling : boosted vs. off-shell production.

Buschmann, Malte and Gonçalves, Dorival and Kuttimalai, Silvan and Schönherr, Marek and Krauss, Frank and Plehn, Tilman (2015) 'Mass effects in the Higgs-gluon coupling : boosted vs. off-shell production.', Journal of high energy physics., 2015 (02). 038.

Abstract

In the upcoming LHC run we will be able to probe the structure of the loopinduced Higgs-gluon coupling through kinematics. First, we establish state-of-the-art simulations with up to two jets to next-to-leading order including top mass effects. They allow us to search for deviations from the low-energy limits in boosted Higgs production. In addition, the size of the top mass effects suggests that they should generally be included in Higgs studies at the LHC. Next, we show how off-shell Higgs production with a decay to four leptons is sensitive to the same top mass effects. We compare the potential of both methods based on the same top-Higgs Lagrangian. Finally, we comment on related model assumptions required for a Higgs width measurement.

Item Type:Article
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Available under License - Creative Commons Attribution.
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1007/JHEP02(2015)038
Publisher statement:Open Access, © The Authors. Article funded by SCOAP3. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Date accepted:12 January 2015
Date deposited:08 April 2016
Date of first online publication:05 February 2015
Date first made open access:No date available

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