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8 lines
541 B
8 lines
541 B
\midheading{$e^- \bar\nu_{e} \mu^- \mu^+$-pair production via WBF, processes 225,2251}
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The {\it weak} process occurs in $O(\alpha^6)$,
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whereas the {\it strong} process occurs in $O(\alpha^4 \alpha_S^2)$.
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These processes can currently only be calculated at lowest order.
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\begin{eqnarray}
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&225 & f(p_1)+f(p_2) \to W^-(e^-(p_3),\bar{\nu}_e(p_4))Z(\mu^-(p_5),\mu^+(p_6)))+f(p_7)+f(p_8) [weak] \nonumber \\
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&2251 & f(p_1)+f(p_2) \to W^-(e^-(p_3),\bar{\nu}_e(p_4))Z(\mu^-(p_5),\mu^+(p_6)))+f(p_7)+f(p_8) [strong] \nonumber
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\end{eqnarray}
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