Measurement of properties of Higgs boson decaying to pairs of W and Z bosons at 13 TeV with the CMS experiment
M.B. Kiani* on behalf of the CMS Collaboration
Pre-published on:
December 06, 2017
Published on:
March 20, 2018
Abstract
The properties of the Higgs boson are presented in the H$\rightarrow$ZZ$\rightarrow$4$\ell$ ($\ell$=e,$\mu$) and H$\rightarrow$WW$\rightarrow$ $e\nu \mu \nu$ decay channels using the data collected in Run2 of proton-proton collisions at a center-of-mass energy of 13 TeV recorded by the CMS detector at the LHC. The reported results include the signal-strength modifier $\mu$, defined as the production cross section of the Higgs boson times its branching fraction relative to the standard model expectation, The signal-strength modifiers for the main Higgs boson production modes have also been constrained. The mass is measured to be $m_{\mathrm{H}}=125.26 \pm 0.21~\mathrm{GeV}$ and the width is constrained using on-shell production to be $\Gamma_{\mathrm{H}}<1.10~\mathrm{GeV}$, at $95\%$ CL. The fiducial cross section is measured to be $2.92^{+0.48}_{-0.44}({\textrm stat.})^{+0.28}_{-0.24}({\textrm sys.})~{\mathrm{fb}}$, which is compatible with the standard model prediction.
DOI: https://doi.org/10.22323/1.314.0295
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