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latex:feynman [2023/02/05 12:18] – [Diffractive proton-proton collisions] iwn | latex:feynman [2023/02/05 12:43] – [Top quark pair production] iwn | ||
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Line 540: | Line 540: | ||
\fmfleft{i2, | \fmfleft{i2, | ||
\fmfright{o2, | \fmfright{o2, | ||
+ | \fmfshift{2 left}{i1} | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
- | \fmf{gluon}{i2,v1,i1} | + | \fmf{gluon}{v1, |
+ | \fmf{gluon}{v1, | ||
\fmf{gluon, | \fmf{gluon, | ||
- | \fmflabel{$g$}{i1} | + | |
- | \fmflabel{$g$}{i2} | + | |
+ | \fmfv{l.d=6,l=$g$}{i2} | ||
\fmflabel{$\overline{\text{t}}$}{o2} | \fmflabel{$\overline{\text{t}}$}{o2} | ||
\fmflabel{t}{o1} | \fmflabel{t}{o1} | ||
Line 560: | Line 563: | ||
\begin{fmffile}{feyngraph} | \begin{fmffile}{feyngraph} | ||
\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} | ||
Line 586: | Line 591: | ||
\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 604: | Line 611: | ||
- | With jets: | + | With radiated quarks or gluons that will form hard jets: |
<WRAP group>< | <WRAP group>< | ||
Line 610: | Line 617: | ||
\large | \large | ||
\begin{fmffile}{feyngraph} | \begin{fmffile}{feyngraph} | ||
- | \begin{fmfgraph*}(125,75) | + | \begin{fmfgraph*}(120,70) |
\fmfleft{i2, | \fmfleft{i2, | ||
\fmfright{o2, | \fmfright{o2, | ||
\fmftop{t} | \fmftop{t} | ||
+ | \fmfshift{5 up}{t} | ||
+ | % skeleton | ||
\fmf{phantom}{i1, | \fmf{phantom}{i1, | ||
\fmf{phantom}{o1, | \fmf{phantom}{o1, | ||
\fmf{phantom}{v1, | \fmf{phantom}{v1, | ||
\fmffreeze | \fmffreeze | ||
- | | + | |
- | \fmfshift{5 up}{i1,t} | + | \fmf{fermion}{i1,g} |
- | \fmf{gluon,tension=0.8}{g,i1} | + | \fmf{plain,tension=2.8}{g,v1} |
- | \fmf{fermion}{v1, | + | \fmf{fermion}{v1, |
- | \fmf{gluon}{v1,i2} | + | \fmf{gluon, |
- | \fmf{fermion, | + | |
\fmf{gluon}{v1, | \fmf{gluon}{v1, | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
- | \fmflabel{$g$}{i1} | + | |
- | \fmflabel{$g$}{i2} | + | |
- | \fmflabel{$\overline{\text{t}}$}{o2} | + | \fmflabel{$\overline{q}$}{i2} |
- | \fmflabel{t}{o1} | + | \fmflabel{$\bar{\text{t}}$}{o2} |
+ | \fmflabel{$\text{t}$}{o1} | ||
\end{fmfgraph*} | \end{fmfgraph*} | ||
\end{fmffile} | \end{fmffile} | ||
Line 645: | Line 654: | ||
\large | \large | ||
\begin{fmffile}{feyngraph} | \begin{fmffile}{feyngraph} | ||
- | \begin{fmfgraph*}(125,75) | + | \begin{fmfgraph*}(120,75) |
\fmfleft{i2, | \fmfleft{i2, | ||
\fmfright{o2, | \fmfright{o2, | ||
\fmftop{t} | \fmftop{t} | ||
+ | \fmfshift{4 left}{i1} | ||
+ | \fmfshift{2 left}{i2} | ||
+ | \fmfshift{5 up}{t} | ||
+ | % skeleton | ||
\fmf{phantom}{i1, | \fmf{phantom}{i1, | ||
\fmf{phantom}{o1, | \fmf{phantom}{o1, | ||
- | \fmf{phantom}{v1, | + | \fmf{phantom, |
\fmffreeze | \fmffreeze | ||
- | %\fmfshift{5 left}{i1} | + | % main |
- | %\fmfshift{5 up}{i1,t} | + | |
\fmf{gluon, | \fmf{gluon, | ||
\fmf{fermion}{v1, | \fmf{fermion}{v1, | ||
Line 661: | Line 673: | ||
\fmf{gluon}{v1, | \fmf{gluon}{v1, | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
- | \fmflabel{$g$}{i1} | + | |
- | \fmflabel{$q$}{i2} | + | |
- | \fmflabel{$\overline{\text{t}}$}{o2} | + | \fmfv{l.d=6,l=$q$}{i2} |
- | \fmflabel{t}{o1} | + | \fmfv{l.d=5, |
+ | \fmflabel{$\bar{\text{t}}$}{o2} | ||
+ | \fmflabel{$\text{t}$}{o1} | ||
\end{fmfgraph*} | \end{fmfgraph*} | ||
\end{fmffile} | \end{fmffile} | ||
Line 680: | Line 694: | ||
\large | \large | ||
\begin{fmffile}{feyngraph} | \begin{fmffile}{feyngraph} | ||
- | \begin{fmfgraph*}(120, | + | \begin{fmfgraph*}(120, |
\fmfleft{i2, | \fmfleft{i2, | ||
\fmfright{o2, | \fmfright{o2, | ||
\fmftop{t} | \fmftop{t} | ||
+ | \fmfshift{4 left}{i1} | ||
+ | \fmfshift{2 left}{i2} | ||
+ | \fmfshift{5 up}{t} | ||
+ | % skeleton | ||
\fmf{phantom}{i1, | \fmf{phantom}{i1, | ||
\fmf{phantom}{o1, | \fmf{phantom}{o1, | ||
- | \fmf{phantom}{v1, | + | \fmf{phantom, |
\fmffreeze | \fmffreeze | ||
- | | + | |
- | \fmf{plain,tension=2.8}{g,v1} | + | \fmf{gluon,tension=0.8}{g,i1} |
- | \fmf{fermion}{v1, | + | \fmf{fermion}{v1, |
- | \fmf{gluon, | + | \fmf{gluon}{v1,i2} |
+ | \fmf{fermion, | ||
\fmf{gluon}{v1, | \fmf{gluon}{v1, | ||
\fmf{fermion}{o2, | \fmf{fermion}{o2, | ||
- | \fmflabel{$q$}{i1} | + | |
- | \fmflabel{$\overline{q}$}{i2} | + | |
- | \fmflabel{$\overline{\text{t}}$}{o2} | + | \fmfv{l.d=6,l=$g$}{i2} |
- | \fmflabel{t}{o1} | + | |
+ | \fmflabel{$\bar{\text{t}}$}{o2} | ||
+ | \fmflabel{$\text{t}$}{o1} | ||
\end{fmfgraph*} | \end{fmfgraph*} | ||
\end{fmffile} | \end{fmffile} | ||
Line 703: | Line 724: | ||
</ | </ | ||
\\ \\ | \\ \\ | ||
- | {{ latex:gqttbar_quark.png ? 220 }} | + | {{ latex:qqttbar_gluon.png ? 220 }} |
\\ \\ | \\ \\ | ||
</ | </ |