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Higgs-Strahlung : merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities.

Gonçalves, Dorival and Krauss, Frank and Kuttimalai, Silvan and Maierhöfer, Philipp (2015) 'Higgs-Strahlung : merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities.', Physical review D., 92 (7). 073006.

Abstract

We analyze the production of a Higgs boson in association with a Z boson at hadron colliders in the Standard Model and some simple extensions. We show how multijet merging algorithms at leading and next-to-leading order for the loop-induced gluon fusion and the Drell-Yan-like quark-induced processes, respectively, improve the descriptions for various differential distributions, in particular those that involve the production of additional jets. The phenomenological studies focus on two relevant channels of Higgs boson decays, namely H→invisible and H→bb¯. We find sizable and phenomenologically relevant corrections to the transverse momentum and invariant mass distributions for the Higgs boson candidate. Thanks to the large destructive interference for the top Yukawa terms, this process is very sensitive to the magnitude and sign of a possible nonstandard top-Higgs coupling. We analyze the impact of this anomalous interaction on distributions and estimate constraints from LHC Run II.

Item Type:Article
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Status:Peer-reviewed
Publisher Web site:http://dx.doi.org/10.1103/PhysRevD.92.073006
Publisher statement:Reprinted with permission from the American Physical Society: Gonçalves, Dorival and Krauss, Frank and Kuttimalai, Silvan and Maierhöfer, Philipp (2015) 'Higgs-Strahlung : merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities.', Physical review D., 92 (7). 073006 © 2015 by the American Physical Society. Readers may view, browse, and/or download material for temporary copying purposes only, provided these uses are for noncommercial personal purposes. Except as provided by law, this material may not be further reproduced, distributed, transmitted, modified, adapted, performed, displayed, published, or sold in whole or part, without prior written permission from the American Physical Society.
Date accepted:06 October 2015
Date deposited:08 April 2016
Date of first online publication:06 October 2015
Date first made open access:No date available

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