Feynman

Draw Feynman diagrams.

Author: Otto Schaile
This notebook tutorial was automatically generated with ROOTBOOK-izer from the macro found in the ROOT repository on Sunday, July 05, 2020 at 07:30 AM.

In [1]:
TCanvas *c1 = new TCanvas("c1", "A canvas", 10,10, 600, 300);
c1->Range(0, 0, 140, 60);
Int_t linsav = gStyle->GetLineWidth();
gStyle->SetLineWidth(3);
TLatex t;
t.SetTextAlign(22);
t.SetTextSize(0.1);
TLine * l;
l = new TLine(10, 10, 30, 30); l->Draw();
l = new TLine(10, 50, 30, 30); l->Draw();
TCurlyArc *ginit = new TCurlyArc(30, 30, 12.5*sqrt(2), 135, 225);
ginit->SetWavy();
ginit->Draw();
t.DrawLatex(7,6,"e^{-}");
t.DrawLatex(7,55,"e^{+}");
t.DrawLatex(7,30,"#gamma");

TCurlyLine *Gamma = new TCurlyLine(30, 30, 55, 30);
Gamma->SetWavy();
Gamma->Draw();
t.DrawLatex(42.5,37.7,"#gamma");

TArc *a = new TArc(70, 30, 15);
a->Draw();
t.DrawLatex(55, 45,"#bar{q}");
t.DrawLatex(85, 15,"q");
TCurlyLine *gluon = new TCurlyLine(70, 45, 70, 15);
gluon->Draw();
t.DrawLatex(77.5,30,"g");

TCurlyLine *z0 = new TCurlyLine(85, 30, 110, 30);
z0->SetWavy();
z0->Draw();
t.DrawLatex(100, 37.5,"Z^{0}");

l = new TLine(110, 30, 130, 10); l->Draw();
l = new TLine(110, 30, 130, 50); l->Draw();

TCurlyArc *gluon1 = new TCurlyArc(110, 30, 12.5*sqrt(2), 315, 45);
gluon1->Draw();

t.DrawLatex(135,6,"#bar{q}");
t.DrawLatex(135,55,"q");
t.DrawLatex(135,30,"g");
c1->Update();
gStyle->SetLineWidth(linsav);

Draw all canvases

In [2]:
gROOT->GetListOfCanvases()->Draw()