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latex:feynman [2023/02/05 12:44] – [Top quark pair production] iwnlatex:feynman [2023/02/05 15:54] – [Top quark pair production] iwn
Line 533: Line 533:
  
 Full code for a {{latex:feynman:ttbar.pdf|multipage PDF}} including all figures below can be found [[latex:feynman:ttbar|here]]. Full code for a {{latex:feynman:ttbar.pdf|multipage PDF}} including all figures below can be found [[latex:feynman:ttbar|here]].
 +
 +<WRAP group><WRAP half column lo>
 +<code latex>
 +\begin{fmffile}{feyngraph}
 +  \begin{fmfgraph*}(110,60)
 +    \fmfleft{i2,i1}
 +    \fmfright{o2,o1}
 +    % main
 +    \fmf{fermion}{i1,v1,i2}
 +    \fmf{fermion}{o2,v2,o1}
 +    \fmf{gluon,label=$g$,label.side=right,label.dist=10}{v2,v1}
 +    % labels
 +    \fmflabel{$q$}{i1}
 +    \fmflabel{$\overline{q}$}{i2}
 +    \fmflabel{$\overline{\text{t}}$}{o2}
 +    \fmflabel{t}{o1}
 +  \end{fmfgraph*}
 +\end{fmffile}
 +</code>
 +</WRAP><WRAP half column>
 +\\
 +{{ latex:qqttbar.png ? 220 }}
 +\\
 +</WRAP></WRAP>
  
 <WRAP group><WRAP half column lo> <WRAP group><WRAP half column lo>
Line 574: Line 598:
     \fmflabel{$g$}{i2}     \fmflabel{$g$}{i2}
     \fmflabel{$g$}{i1}     \fmflabel{$g$}{i1}
-    \fmflabel{t}{o1} +    \fmfv{l.d=7,l.a=22,l=t}{o1} 
-    \fmflabel{$\overline{\text{t}}$}{o2}+    \fmfv{l.d=7,l.a=-20,l=$\overline{\text{t}}$}{o2}
   \end{fmfgraph*}   \end{fmfgraph*}
 \end{fmffile} \end{fmffile}
Line 581: Line 605:
 </WRAP><WRAP half column> </WRAP><WRAP half column>
 \\ \\
-{{ latex:ggttbar2.png ? 220 }}+{{ latex:ggttbar3.png ? 220 }}
 \\ \\
 </WRAP></WRAP> </WRAP></WRAP>
 +
 +With radiated quarks or gluons that will form hard jets:
  
 <WRAP group><WRAP half column lo> <WRAP group><WRAP half column lo>
 <code latex> <code latex>
 +\large
 \begin{fmffile}{feyngraph} \begin{fmffile}{feyngraph}
-  \begin{fmfgraph*}(110,60)+  \begin{fmfgraph*}(120,70)
     \fmfleft{i2,i1}     \fmfleft{i2,i1}
     \fmfright{o2,o1}     \fmfright{o2,o1}
 +    \fmftop{t}
 +    \fmfshift{5 up}{t}
 +    % skeleton
 +    \fmf{phantom}{i1,v1,i2}
 +    \fmf{phantom}{o1,v2,o2}
 +    \fmf{phantom}{v1,v2}
 +    \fmffreeze
     % main     % main
-    \fmf{fermion}{i1,v1,i2}+    \fmf{fermion}{i1,g} 
 +    \fmf{plain,tension=2.8}{g,v1} 
 +    \fmf{fermion}{v1,i2} 
 +    \fmf{gluon,tension=0}{t,g} 
 +    \fmf{gluon}{v1,v2}
     \fmf{fermion}{o2,v2,o1}     \fmf{fermion}{o2,v2,o1}
-    \fmf{gluon,label=$g$,label.side=right,label.dist=10}{v2,v1} 
     % labels     % labels
     \fmflabel{$q$}{i1}     \fmflabel{$q$}{i1}
     \fmflabel{$\overline{q}$}{i2}     \fmflabel{$\overline{q}$}{i2}
-    \fmflabel{$\overline{\text{t}}$}{o2} +    \fmfv{l.d=5,l.a=25,l=$g$}{t} 
-    \fmflabel{t}{o1}+    \fmflabel{$\bar{\text{t}}$}{o2} 
 +    \fmflabel{$\text{t}$}{o1}
   \end{fmfgraph*}   \end{fmfgraph*}
 \end{fmffile} \end{fmffile}
 </code> </code>
 </WRAP><WRAP half column> </WRAP><WRAP half column>
-\\ +\\ \\ 
-{{ latex:qqttbar.png ? 220 }} +{{ latex:qqttbar_gluon.png ? 220 }} 
-\\+\\ \\
 </WRAP></WRAP> </WRAP></WRAP>
  
- 
- 
-With radiated quarks or gluons that will form hard jets: 
  
 <WRAP group><WRAP half column lo> <WRAP group><WRAP half column lo>
Line 688: Line 723:
 \\ \\ \\ \\
 {{ latex:gqttbar_quark.png ? 220 }} {{ latex:gqttbar_quark.png ? 220 }}
-\\ \\ 
-</WRAP></WRAP> 
- 
- 
- 
-<WRAP group><WRAP half column lo> 
-<code latex> 
-\large 
-\begin{fmffile}{feyngraph} 
-  \begin{fmfgraph*}(120,70) 
-    \fmfleft{i2,i1} 
-    \fmfright{o2,o1} 
-    \fmftop{t} 
-    \fmfshift{5 up}{t} 
-    % skeleton 
-    \fmf{phantom}{i1,v1,i2} 
-    \fmf{phantom}{o1,v2,o2} 
-    \fmf{phantom}{v1,v2} 
-    \fmffreeze 
-    % main 
-    \fmf{fermion}{i1,g} 
-    \fmf{plain,tension=2.8}{g,v1} 
-    \fmf{fermion}{v1,i2} 
-    \fmf{gluon,tension=0}{t,g} 
-    \fmf{gluon}{v1,v2} 
-    \fmf{fermion}{o2,v2,o1} 
-    % labels 
-    \fmflabel{$q$}{i1} 
-    \fmflabel{$\overline{q}$}{i2} 
-    \fmfv{l.d=5,l.a=25,l=$g$}{t} 
-    \fmflabel{$\bar{\text{t}}$}{o2} 
-    \fmflabel{$\text{t}$}{o1} 
-  \end{fmfgraph*} 
-\end{fmffile} 
-</code> 
-</WRAP><WRAP half column> 
-\\ \\ 
-{{ latex:qqttbar_gluon.png ? 220 }} 
 \\ \\ \\ \\
 </WRAP></WRAP> </WRAP></WRAP>
latex/feynman.txt · Last modified: 2023/06/06 18:16 by iwn

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