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| CMS-PAS-HIG-24-008 | ||
| Search for Higgs boson production at high transverse momentum in the $ \mathrm{WW^{*}} $ decay channel in proton-proton collisions at $ \sqrt{s} = $ 13 TeV | ||
| CMS Collaboration | ||
| 21 May 2025 | ||
| Abstract: A search for Higgs boson production at high transverse momentum in the $ \mathrm{WW^{*}} $ decay channel is presented. The analysis uses proton-proton collision data collected with the CMS detector at $ \sqrt{s} = $ 13 TeV during the years 2016--2018, corresponding to an integrated luminosity of 138 fb$ ^{-1} $. Both semileptonic and fully hadronic decay modes are considered, focusing on final states with either one isolated lepton (1 $ \ell $) or none (0 $ \ell $), where the Higgs boson decay products are reconstructed within a single large-radius jet. Higgs boson candidate jets are identified using the particle transformer algorithm, which is calibrated via the Lund jet plane technique and fine-tuned to improve the expected signal significance in the 1 $ \ell $ channel. The 0 $ \ell $ channel considers all Higgs boson production modes inclusively, while the 1 $ \ell $ channel further categorizes events into the two dominant production mechanisms: gluon fusion and vector boson fusion. The signal strength, defined as the ratio of the observed signal to the standard model expectation, is $ \mu_{\mathrm{H}} = $ 0.01 $ ^{+0.63}_{-0.48} $, with no signal observed above the background. The result represents the first measurement in this decay mode and is consistent with those obtained in other final states. | ||
| Links: CDS record (PDF) ; CADI line (restricted) ; | ||
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Compact Muon Solenoid LHC, CERN |
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