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latex:feynman:ttbar [2023/02/05 12:12] – created iwn | latex:feynman:ttbar [2023/02/05 15:59] (current) – iwn | ||
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====== Top quark pair production & decay ====== | ====== Top quark pair production & decay ====== | ||
- | Full code to produce a multipage PDF with the [[latex: | + | Full code to produce a {{latex: |
- | <code latex proton-proton_collisions_diffractive.tex> | + | <code latex ttbar.tex> |
% !TEX program = pdflatexmk | % !TEX program = pdflatexmk | ||
% !TEX parameter = -shell-escape | % !TEX parameter = -shell-escape | ||
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\fmfleft{i2, | \fmfleft{i2, | ||
\fmfright{o2, | \fmfright{o2, | ||
+ | % main | ||
\fmf{fermion}{i1, | \fmf{fermion}{i1, | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
\fmf{gluon, | \fmf{gluon, | ||
+ | % labels | ||
\fmflabel{$q$}{i1} | \fmflabel{$q$}{i1} | ||
\fmflabel{$\overline{q}$}{i2} | \fmflabel{$\overline{q}$}{i2} | ||
Line 44: | Line 46: | ||
\fmfright{o2, | \fmfright{o2, | ||
\fmfshift{2 left}{i1} | \fmfshift{2 left}{i1} | ||
+ | % main | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
\fmf{gluon}{v1, | \fmf{gluon}{v1, | ||
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%\fmflabel{$i\sqrt{\alpha}$}{v1} | %\fmflabel{$i\sqrt{\alpha}$}{v1} | ||
%\fmflabel{$i\sqrt{\alpha}$}{v2} | %\fmflabel{$i\sqrt{\alpha}$}{v2} | ||
+ | \end{fmfgraph*} | ||
+ | \end{fmffile} | ||
+ | } | ||
+ | \end{page} | ||
+ | |||
+ | % TTBAR PRODUCTION - Gluon-gluon fusion (s-channel) 2 | ||
+ | \begin{page} | ||
+ | \fmfframe(-6, | ||
+ | \begin{fmffile}{feynmp-ttbar-gg-t} | ||
+ | \begin{fmfgraph*}(110, | ||
+ | \fmfleft{i2, | ||
+ | \fmfright{o2, | ||
+ | % main | ||
+ | \fmf{fermion}{o2, | ||
+ | \fmf{gluon}{v1, | ||
+ | \fmf{gluon}{i2, | ||
+ | \fmf{gluon, | ||
+ | % labels | ||
+ | \fmflabel{$g$}{i1} | ||
+ | \fmflabel{$g$}{i2} | ||
+ | \fmflabel{$\overline{\text{t}}$}{o2} | ||
+ | \fmflabel{t}{o1} | ||
\end{fmfgraph*} | \end{fmfgraph*} | ||
\end{fmffile} | \end{fmffile} | ||
Line 67: | Line 92: | ||
\begin{fmffile}{feynmp-ttbar-gg-s} | \begin{fmffile}{feynmp-ttbar-gg-s} | ||
\begin{fmfgraph*}(110, | \begin{fmfgraph*}(110, | ||
- | \fmfleft{i2, | + | \fmfleft{i2, |
- | \fmfright{o2, | + | \fmfright{o2, |
- | \fmf{gluon}{v1, | + | % main |
+ | \fmf{gluon}{v1, | ||
\fmf{fermion}{v1, | \fmf{fermion}{v1, | ||
\fmf{gluon}{i2, | \fmf{gluon}{i2, | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
\fmf{fermion, | \fmf{fermion, | ||
+ | % labels | ||
\fmflabel{$g$}{i2} | \fmflabel{$g$}{i2} | ||
\fmflabel{$g$}{i1} | \fmflabel{$g$}{i1} | ||
- | \fmflabel{t}{o1} | + | \fmfv{l.d=7, |
- | \fmflabel{$\overline{\text{t}}$}{o2} | + | \fmfv{l.d=7, |
\end{fmfgraph*} | \end{fmfgraph*} | ||
\end{fmffile} | \end{fmffile} | ||
Line 107: | Line 134: | ||
\fmflabel{$q$}{i1} | \fmflabel{$q$}{i1} | ||
\fmflabel{$\overline{q}$}{i2} | \fmflabel{$\overline{q}$}{i2} | ||
+ | \fmfv{l.d=5, | ||
\fmflabel{$\bar{\text{t}}$}{o2} | \fmflabel{$\bar{\text{t}}$}{o2} | ||
\fmflabel{$\text{t}$}{o1} | \fmflabel{$\text{t}$}{o1} |