void Vectors()
{
//=========Macro generated from canvas: Canvas_1/Canvas_1
//=========  (Fri Dec 21 11:29:30 2018) by ROOT version6.05/02
   TCanvas *Canvas_1 = new TCanvas("Canvas_1", "Canvas_1",513,335,959,537);
   Canvas_1->Range(0,0,1,1);
   Canvas_1->SetFillColor(0);
   Canvas_1->SetBorderMode(0);
   Canvas_1->SetBorderSize(2);
   Canvas_1->SetFrameBorderMode(0);
   TArrow *arrow = new TArrow(0.07105538,0.5088106,0.2330199,0.6145374,0.02,"->-");
   arrow->SetFillColor(1);
   arrow->SetFillStyle(1001);
   arrow->SetLineWidth(2);
   arrow->Draw();
   TLine *line = new TLine(0.2330199,0.6145374,0.3866249,0.7136564);
   line->SetLineStyle(2);
   line->SetLineWidth(2);
   line->Draw();
   arrow = new TArrow(0.2361546,0.6189427,0.3584117,0.8722467,0.02,">");
   arrow->SetFillColor(1);
   arrow->SetFillStyle(1001);
   arrow->SetLineWidth(2);
   arrow->Draw();
   arrow = new TArrow(0.2340648,0.6145374,0.4127482,0.4933921,0.02,">");
   arrow->SetFillColor(1);
   arrow->SetFillStyle(1001);
   arrow->SetLineWidth(2);
   arrow->Draw();
   
   TEllipse *arc = new TEllipse(0.2967607,0.6742268,0.04,0.08,10,80);
   arc->SetNoEdges();
   arc->Draw();
   TLatex *   tex = new TLatex(0.1107628,0.6145374,"P_{\\pi^0}");
   tex->SetTextSize(0.05286344);
   tex->SetLineWidth(2);
   tex->Draw();
      tex = new TLatex(0.3458725,0.7445415,"\\theta");
   tex->SetLineWidth(2);
   tex->Draw();
      tex = new TLatex(0.2643678,0.7838428,"P^{1}_{\\gamma}");
   tex->SetLineWidth(2);
   tex->Draw();
      tex = new TLatex(0.3343783,0.580786,"P^{2}_{\\gamma}");
   tex->SetLineWidth(2);
   tex->Draw();
   Canvas_1->Modified();
   Canvas_1->cd();
   Canvas_1->SetSelected(Canvas_1);
   Canvas_1->ToggleToolBar();
    
    Canvas_1->SaveAs("Vectors.pdf");
}