void eeqqgg() { // // e+e- -> qqbar with double gluon radiation // TCanvas *c1 = new TCanvas("eeqqgg", "e+e- -> qqgg", 740,40, 400, 300); c1->Range(0, 0, 90, 60); Int_t linsav = gStyle->GetLineWidth(); gStyle->SetLineWidth(3); TLatex t; t.SetTextAlign(22); t.SetTextSize(0.1); TLine * l; TCurlyLine * lc; // Incoming e+e- l = new TLine(10, 10, 30, 30); l->Draw(); l = new TLine(10, 50, 30, 30); l->Draw(); t.DrawLatex(7,6,"e^{-}"); t.DrawLatex(7,55,"e^{+}"); // Z propagator lc = new TCurlyLine(30, 30, 55, 30); lc->SetWavy(); lc->Draw(); t.DrawLatex(42.5, 25.0,"Z^{0}/#gamma"); // Outgoing qqbar l = new TLine(55, 30, 75, 10); l->Draw(); l = new TLine(55, 30, 75, 50); l->Draw(); t.DrawLatex(80,6,"#bar{q}"); t.DrawLatex(80,55,"q"); // gluon radiations lc = new TCurlyLine(60.8,24, 75, 24); l->Draw(); lc->SetCurly(); lc->Draw(); lc = new TCurlyLine(60.8,36, 75, 36); l->Draw(); lc->SetCurly(); lc->Draw(); t.DrawLatex(80,24,"g"); t.DrawLatex(80,36,"g"); c1->Update(); gStyle->SetLineWidth(linsav); }