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16 lines
855 B
16 lines
855 B
\midheading{$W+b{\bar b}$ production, processes 20,25}
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\label{subsec:wbb}
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This process is calculable at leading LO and next-to-leading order NLO.
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These processes represent the production of a $W$ boson which subsequently
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decays leptonically, in association with a $b{\bar b}$ pair. The effect of
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the bottom quark mass is included throughout the calculation.
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This calculation may be performed at NLO, thanks to
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the incorporation of the virtual corrections from ref.~\cite{Badger:2010mg}.
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When {\tt removebr} is true, the $W$ boson does not decay.
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To select final states in which one of the $b$-quarks may be unobserved the
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user can employ processes \href{https://mcfm.fnal.gov/processes//process401.html}{401-408} instead.
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These processes use the same matrix
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elements but make specific requirements on the kinematics of the $b$-quarks
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and QCD radiation.
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