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10 lines
593 B
10 lines
593 B
\midheading{$c \overline s \to W^+$, processes 361--363}
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\label{subsec:csbar}
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These processes represent the production of a $W^+$ from a charm and anti-strange
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quark at LO. The $W^+$ boson decays into a neutrino and a positron.
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The NLO corrections to this LO process include a contribution of the form,
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$g\overline s \to W^+ \overline c$. For process {\tt 361} this contribution is
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calculated in the approximation $m_c=0$ at NLO. In order to perform the NLO calculation
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for a non-zero value of $m_c$, one must instead sum the results of processes {\tt 362}
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and {\tt 363} for {\tt part=tota}.
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