Abstract
The potential to discover a standard model-like Higgs boson at the LHC in the mass range from 150--180 GeV, decaying into a pair of W bosons with subsequent leptonic decays, has been established during the last 10 years. Assuming that such a signal will eventually be observed, the analysis described in this paper investigates how accurate the signal cross section can be measured and how the observable lepton ${p}_{\mathrm{T}}$ spectra can be used to constrain the mass of the Higgs boson. Combining the signal cross section with the analysis of the lepton ${p}_{\mathrm{T}}$ spectra and assuming the SM Higgs cross section is known with an accuracy of $\ifmmode\pm\else\textpm\fi{}5%$, our study indicates that an integrated luminosity of about $10\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ allows to measure the mass of a SM Higgs boson with an accuracy between 2 and 2.5 GeV.
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