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Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at root s=13 TeV

Choudhury, S and Komaragiri, JR (2019) Search for associated production of a Higgs boson and a single top quark in proton-proton collisions at root s=13 TeV. In: PHYSICAL REVIEW D, 99 (9).

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Official URL: https://doi.org/10.1103/PhysRevD.99.092005

Abstract

A search is presented for the production of a Higgs boson in association with a single top quark, based on data collected in 2016 by the CMS experiment at the LHC at a center-of-mass energy of 13 TeV, which corresponds to an integrated luminosity of 35.9 fb(-1). The production cross section for this process is highly sensitive to the absolute values of the top quark Yukawa coupling, y(t); the Higgs boson coupling to vector bosons, g(HVV); and, uniquely, their relative sign. Analyses using multilepton signatures, targeting H -> WW, H -> tau tau, and H -> ZZ decay modes, and signatures with a single lepton and a b (b) over bar pair, targeting the H -> b (b) over bar decay, are combined with a reinterpretation of a measurement in the H -> gamma gamma channel to constrain y(t). For a standard model-like value of g(HVV), the data favor positive values of y(t) and exclude values of y(t) below about -0.9y(t)(SM).

Item Type: Journal Article
Additional Information: This article belongs to PHYSICAL REVIEW D
Department/Centre: Division of Physical & Mathematical Sciences > Astronomy and Astrophysics Programme
Division of Physical & Mathematical Sciences > Physics
Depositing User: Id for Latest eprints
Date Deposited: 19 Jun 2019 06:18
Last Modified: 19 Jun 2019 06:18
URI: http://eprints.iisc.ac.in/id/eprint/63017

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