Measurements of the production cross-sections of a Higgs boson in association with a vector boson and decaying into $W{W}^{\ast }$ with the ATLAS detector at $\sqrt{s}=13$ TeV

Abstract

Measurements of the total and differential Higgs boson production cross-sections, via $WH$ and $ZH$ associated production using $H\to W{W}^{\ast }\to \ell \nu \ell \nu$ and $H\to W{W}^{\ast }\to \ell \nu jj$ decays, are presented. The analysis uses proton-proton events delivered by the Large Hadron Collider at a centre-of-mass energy of 13 TeV and recorded by the ATLAS detector between 2015 and 2018. The data correspond to an integrated luminosity of 140 fb${}^{-1}$. The sum of the $WH$ and $ZH$ cross-sections times the $H\to W{W}^{\ast }$ branching fraction is measured to be $0.44_{-0.09}^{+0.10}$ (stat.) ${}_{-0.05}^{+0.06}$ (syst.) pb, in agreement with the Standard Model prediction. Higgs boson production is further characterised through measurements of the differential cross-section as a function of the transverse momentum of the vector boson and in the framework of Simplified Template Cross-Sections.

77 pages in total, author list starting page 60, 18 figures, 21 tables, published in JHEP. All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/HIGG-2023-09

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Cited by in corpus (1)

• Measurements of Higgs boson production via gluon-gluon fusion and vector-boson fusion using $H\to W{W}^{\ast }\to \ell \nu \ell \nu$ decays in $pp$ collisions with the ATLAS detector and their effective field theory interpretations