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46 lines
2.1 KiB
46 lines
2.1 KiB
\begin{longtable}{p{1.5cm}p{12cm}}
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\hline
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\multicolumn{1}{c}{{\textbf{Section} \texttt{basicjets}}} & \multicolumn{1}{c}{{\textbf{Description}}} \\
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\hline
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\texttt{inclusive} &
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This logical parameter chooses whether the
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calculated cross-section should be inclusive in the number of jets
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found at NLO. An {\em exclusive}
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cross-section contains the same number of jets at next-to-leading
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order as at leading order. An {\em inclusive} cross-section may
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instead contain an extra jet at NLO. \\
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\texttt{algorithm} &
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This specifies the jet-finding algorithm that
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is used, and can take the values
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{\tt ktal} (for the Run II $k_T$-algorithm), {\tt ankt} (for the
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``anti-$k_T$'' algorithm~\cite{Cacciari:2008gp}), {\tt cone} (for
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a midpoint cone algorithm), {\tt hqrk} (for a simplified cone
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algorithm designed for heavy quark processes) and {\tt none} (to
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specify no jet clustering at all). The latter option is only a
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sensible choice when the leading order cross-section is well-defined
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without any jet definition: e.g. the single top process,
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$q{\bar q^\prime} \to t{\bar b}$, which is finite as
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$p_T({\bar b}) \to 0$. \\
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\texttt{ptjetmin}, \texttt{etajetmax} &
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These specify the values
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of $p_{T,{\mathrm{min}}}$ and $|\eta|_{\mathrm{max}}$ for the
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jets that are found by the algorithm. \\
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\texttt{etajetmin} &
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Optional parameter for setting a minimum jet rapidity $|\eta|_{\mathrm{min}}$. \\
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\texttt{ptjetmax} &
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Optional parameter for setting maximum jet $p_{T,{\mathrm{max}}}$\\
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\texttt{Rcutjet} &
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If the final state of the chosen process contains
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either quarks or gluons then for each event an attempt will be made
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to form them into jets. For this it is necessary to define the
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jet separation
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\begin{equation} \label{DeltaRdef}
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\Delta R=\sqrt{{\Delta \eta}^2 + {\Delta \phi}^2}
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\end{equation}
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so that after jet combination, all jet pairs are separated by
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$\Delta R >$~{\tt Rcutjet}.\\
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\texttt{userap} &
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Optional parameter for using jet rapidity rather than pseudorapidity when
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performing jet cuts. Default is {\tt .true.}. \\
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\hline
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\end{longtable}
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