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arXiv · 1308.4930

Higgs Up-Down CP Asymmetry at the LHC

Cédric Delaunay·Gilad Perez·Hiroshi de Sandes·Witold Skiba
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Abstract

We propose a new observable designed to probe CP-violating coupling of the Higgs boson to W bosons using associated Higgs production. We define an asymmetry that measures the number of leptons from W decays relative to the plane defined by the beam line and the Higgs boson momentum. The orientation of that plane is determined by the direction of fermions in the initial state, so that in a proton-proton collider it requires rapidity cuts that preferentially select quarks over antiquarks.

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Cédric Delaunay, Gilad Perez, Hiroshi de Sandes, Witold Skiba. 2013-08-22. Higgs Up-Down CP Asymmetry at the LHC. https://doi.org/10.1103/physrevd.89.035004

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