A 10 TeV lepton collider using the effective gamma-W to W process could improve m_W precision beyond 10 MeV and extract CKM elements like V_cb with reduced hadronic uncertainties via high-precision hadronic calorimetry and flavor tagging.
Combination of CDF and D0 W-Boson Mass Measurements
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abstract
We summarize and combine direct measurements of the mass of the $W$ boson in $\sqrt{s} = 1.96 \text{TeV}$ proton-antiproton collision data collected by CDF and D0 experiments at the Fermilab Tevatron Collider. Earlier measurements from CDF and D0 are combined with the two latest, more precise measurements: a CDF measurement in the electron and muon channels using data corresponding to $2.2 \mathrm{fb}^{-1}$ of integrated luminosity, and a D0 measurement in the electron channel using data corresponding to $4.3 \mathrm{fb}^{-1}$ of integrated luminosity. The resulting Tevatron average for the mass of the $W$ boson is $\MW = 80\,387 \pm 16 \text{MeV}$. Including measurements obtained in electron-positron collisions at LEP yields the most precise value of $\MW = 80\,385 \pm 15 \text{MeV}$.
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hep-ph 1years
2026 1verdicts
UNVERDICTED 1representative citing papers
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Precision physics at the muon collider: $m_W$ and CKM matrix elements
A 10 TeV lepton collider using the effective gamma-W to W process could improve m_W precision beyond 10 MeV and extract CKM elements like V_cb with reduced hadronic uncertainties via high-precision hadronic calorimetry and flavor tagging.