Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-04-29
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages (8 figures, appended at end), LBL-33780
Scientific paper
We perform a numerical calculation of the total cross section $\sigma(e^+e^- \rightarrow W^+W^-)$ as a function of energy, taking into account the finite width of the $W$ and the most important radiative corrections. We present these results, in tabular form, for several values of $M_W$. Using these results, we investigate running strategies for integrated luminosities that might be available at LEP~200 and estimate the accuracy to which it will be possible to determine the mass of the $W$ by measuring this cross section near threshold. With an integrated luminosity of $100\ {\rm pb}^{-1}$ it should be possible to achieve a precision of $100\ {\rm MeV}$, and with an integrated luminosity of $500\ {\rm pb}^{-1}$, a precision of $60\ {\rm MeV}$.
Austern Matthew H.
Cahn Robert N.
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