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arXiv · 1309.4819

Constraining anomalous HVV interactions at proton and lepton colliders

Ian Anderson·Sara Bolognesi·Fabrizio Caola·Yanyan Gao·Andrei V. Gritsan·Christopher B. Martin·Kirill Melnikov·Markus Schulze·Nhan V. Tran·Andrew Whitbeck·Yaofu Zhou
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Abstract

In this paper, we study the extent to which CP parity of a Higgs boson, and more generally its anomalous couplings to gauge bosons, can be measured at the LHC and a future electron-positron collider. We consider several processes, including Higgs boson production in gluon and weak boson fusion and production of a Higgs boson in association with an electroweak gauge boson. We consider decays of a Higgs boson including $ZZ, WW, γγ$, and $Z γ$. Matrix element approach to three production and decay topologies is developed and applied in the analysis. A complete Monte Carlo simulation of the above processes at proton and $e^+e^-$ colliders is performed and verified by comparing it to an analytic calculation. Prospects for measuring various tensor couplings at existing and proposed facilities are compared.

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Ian Anderson, Sara Bolognesi, Fabrizio Caola, Yanyan Gao, Andrei V. Gritsan, Christopher B. Martin, Kirill Melnikov, Markus Schulze, Nhan V. Tran, Andrew Whitbeck, Yaofu Zhou. 2014-02-18. Constraining anomalous HVV interactions at proton and lepton colliders. https://doi.org/10.1103/physrevd.89.035007

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