void PartonicKinematics()
{
  gROOT->SetStyle("Plain");
  TCanvas* c1 = new TCanvas("c1","Latex",500,500);
  TLatex latex;
  latex.DrawLatex(0.1,0.8,"1) x_{1} = #frac{p_{T}}{#sqrt{s}}(e^{#eta_{#gamma}}+e^{#eta_{jet}})");
  latex.DrawLatex(0.1,0.6,"2) x_{2} = #frac{p_{T}}{#sqrt{s}}(e^{-#eta_{#gamma}}+e^{-#eta_{jet}})");
  latex.DrawLatex(0.1,0.4,"3) x_{quark} = max(x_{1},x_{2})");
  latex.DrawLatex(0.1,0.2,"4) x_{gluon} = min(x_{1},x_{2})");
  c1->Print("PartonicKinematics.png");
  c1->Print("PartonicKinematics.eps");
}