Compact Muon Solenoid
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| CMS-PAS-SMP-24-019 | ||
| Measurement of the photon-fusion production cross section of a pair of W bosons | ||
| CMS Collaboration | ||
| 2025-07-18 | ||
| Abstract: A measurement of the cross section of W boson pair production in photon fusion ($ \gamma\gamma\rightarrow\mathrm{WW} $) is presented, using an integrated luminosity of 138 fb$ ^{-1} $ of proton-proton collision data collected in 2016-2018 at a center-of-mass energy of $ \sqrt{s}= $ 13 TeV. Events are selected in the final state with one electron, one muon, and a low multiplicity of tracks associated with the electron-muon production vertex. The total cross section of the $ \gamma\gamma\rightarrow\mathrm{WW} $ production is measured to be 659$ ^{+82}_{-78} $ fb, and a fiducial cross section of 4.1 $ \pm $ 0.5 fb is measured in a phase space defined with selection criteria close to those of the analysis. In addition, constraints on dimension-8 operators from an effective field theory framework are set. | ||
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Links:
CDS record (PDF) ;
CADI line (restricted) ;
These preliminary results are superseded in this paper, Submitted to JHEP. The superseded preliminary plots can be found here. |
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Compact Muon Solenoid LHC, CERN |
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