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\begin{titlepage} |
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\analysisnote{2008/xxx} |
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% \analysisnote{EWK 2008/003} |
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\date{20 June 2008} |
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\title{Study of the process\\ |
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In this note, we investigate the discovery potential |
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for the $\proton\proton \to \W\Z \to \ell^{\pm} \ellell (\ell=e,\mu)$ process at CMS, |
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with full detector simulation of the signal and of the various backgrounds. |
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We determine the signal significance as a function of |
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integrated luminosity at the LHC based on Standard Model |
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cross sections computed at the next to leading order in $\alpha_s$. |
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We expect $\sim 97 $ signal $\W\Z \to \ell^{\pm} \ellell (\ell=e,\mu)$ events for $\sim 22$ background |
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events per inverse femtobarn. The background is found |
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to be dominated by the $\Zbbbar$, $\t\tbar$ and \ZZ processes with three true electrons or muons in the |
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final state. The sensitivity of the analysis allows for a potential 5-sigma discovery |
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of the $\proton\proton \to\W\Z$ channel with about 150 inverse picobarn. |
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% We determine the signal significance as a function of |
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% integrated luminosity at the LHC based on Standard Model |
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% cross sections computed at the next to leading order in $\alpha_s$. |
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% We expect $\sim 97 $ signal $\W\Z \to \ell^{\pm} \ellell (\ell=e,\mu)$ events for $\sim 22$ background |
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% events per inverse femtobarn. The background is found |
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% to be dominated by the $\Zbbbar$, $\t\tbar$ and \ZZ processes with three true electrons or muons in the |
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% final state. The sensitivity of the analysis allows for a potential 5-sigma discovery |
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% of the $\proton\proton \to\W\Z$ channel with about 150 inverse picobarn. |
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\end{abstract} |
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\end{titlepage} |
