void raaTheoryOpen_pt(const char* inputDir = "../macro_raa/outRoot", // the place where the input root files, with the histograms are
                     bool bSavePlots      = true,
                     bool bDoBRaa  = true
                     )
{
   // set the style
  gSystem->mkdir(Form("./figs/png"), kTRUE);
  gSystem->mkdir(Form("./figs/pdf"), kTRUE);
  setTDRStyle();
  
  // read CMS graphs
  TFile *pgRaaCms_pt   = new TFile(Form("%s/makeRaa_pt.root",inputDir));
  // ##################### HIGH PT ############################
  TGraphErrors *pgCms     = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsi");
  TGraphErrors *pgCmsP    = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiP");
  TGraphErrors *pgCmsSyst = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiSyst");
  pgCmsSyst->SetFillColorAlpha(kOrange-9,0.5);
  pgCms->SetName("gNonPrJpsi");

  TBox *lumi = (TBox*)pgRaaCms_pt->Get("lumi");
  lumi->SetFillColor(kGray+1);
  lumi->SetFillStyle(1001);
  lumi->SetX1(28.5); lumi->SetX2(30);

  // ##################### LOW PT ############################
  TGraphErrors *pgCms_lowpt     = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsi_pt365y1624");
  TGraphErrors *pgCmsP_lowpt    = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiP_pt365y1624");
  TGraphErrors *pgCmsSyst_lowpt = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiSyst_pt365y1624");
  pgCmsSyst_lowpt->SetFillColorAlpha(kViolet-9,0.5);
  pgCms_lowpt->SetName("gNonPrJpsi_pt365y1624");

   
  //-------------------------------------------------------------------- 
  // *********** Theory curves with filled area
  TGraph *pgRaaB_rapp       = new TGraph(2*raaB_rapp_vspt_numpoints);
  pgRaaB_rapp->SetName("pgRaaB_rapp");
  for (int i=0; i<raaB_rapp_vspt_numpoints; i++) {
    pgRaaB_rapp->SetPoint(i,raaB_rapp_pt[i],raaB_rapp_vspt_yhigh[i]);
    pgRaaB_rapp->SetPoint(raaB_rapp_vspt_numpoints+i,
        raaB_rapp_pt[raaB_rapp_vspt_numpoints-i-1],raaB_rapp_vspt_ylow[raaB_rapp_vspt_numpoints-i-1]);
  }

  TGraph *pgRaaB_whdg       = new TGraph(2*raaB_whdg_vspt_numpoints);
  pgRaaB_whdg->SetName("pgRaaB_whdg");
  for (int i=0; i<raaB_whdg_vspt_numpoints; i++) {
    pgRaaB_whdg->SetPoint(i,raaB_whdg_pt[i],raaB_whdg_vspt_yhigh[i]);
    pgRaaB_whdg->SetPoint(raaB_whdg_vspt_numpoints+i,
        raaB_whdg_pt[raaB_whdg_vspt_numpoints-i-1],raaB_whdg_vspt_ylow[raaB_whdg_vspt_numpoints-i-1]);
  }

  TGraph *pgRaaNPJpsi_vitev       = new TGraph(2*raaNPJpsi_vitev_vspt_numpoints);
  pgRaaNPJpsi_vitev->SetName("pgRaaNPJpsi_vitev");
  for (int i=0; i<raaNPJpsi_vitev_vspt_numpoints; i++) {
    pgRaaNPJpsi_vitev->SetPoint(i,raaNPJpsi_vitev_pt[i],raaNPJpsi_vitev_vspt_yhigh[i]);
    pgRaaNPJpsi_vitev->SetPoint(raaNPJpsi_vitev_vspt_numpoints+i,
        raaNPJpsi_vitev_pt[raaNPJpsi_vitev_vspt_numpoints-i-1],raaNPJpsi_vitev_vspt_ylow[raaNPJpsi_vitev_vspt_numpoints-i-1]);
  }

  TGraph *pgRaaNPJpsi_vitev_noDissoc = new TGraph(2*raaNPJpsi_vitev_vspt_noDissoc_numpoints);
  pgRaaNPJpsi_vitev_noDissoc->SetName("pgRaaNPJpsi_vitev_noDissoc");
  for (int i=0; i<raaNPJpsi_vitev_vspt_noDissoc_numpoints; i++) {
    pgRaaNPJpsi_vitev_noDissoc->SetPoint(i,raaNPJpsi_vitev_noDissoc_pt[i],raaNPJpsi_vitev_vspt_noDissoc_yhigh[i]);
    pgRaaNPJpsi_vitev_noDissoc->SetPoint(raaNPJpsi_vitev_vspt_noDissoc_numpoints+i,
        raaNPJpsi_vitev_noDissoc_pt[raaNPJpsi_vitev_vspt_noDissoc_numpoints-i-1],raaNPJpsi_vitev_vspt_noDissoc_ylow[raaNPJpsi_vitev_vspt_noDissoc_numpoints-i-1]);
  }

  // *********** Theory curves with line
  TGraph *pgRaaNPJpsi_mcatshq     = new TGraph(raaNPJpsi_mcatshq_vspt_numpoints,raaNPJpsi_mcatshq_pt,raaNPJpsi_mcatshq_vspt);
  pgRaaNPJpsi_mcatshq->SetName("pgRaaNPJpsi_mcatshq");
  TGraph *pgRaaNPJpsi_mcatshq_rad = new TGraph(raaNPJpsi_mcatshq_rad_vspt_numpoints,raaNPJpsi_mcatshq_rad_pt,raaNPJpsi_mcatshq_rad_vspt);
  pgRaaNPJpsi_mcatshq_rad->SetName("pgRaaNPJpsi_mcatshq_rad");
  TGraph *pgRaaNPJpsi_bamps       = new TGraph(raaNPJpsi_bamps_vspt_numpoints,raaNPJpsi_bamps_pt,raaNPJpsi_bamps_vspt_yval);
  pgRaaNPJpsi_bamps->SetName("pgRaaNPJpsi_bamps");

  // Style for filled graphs
  pgRaaB_rapp->SetFillColor(kRed-7);
  pgRaaB_rapp->SetFillStyle(1001);
  pgRaaB_whdg->SetFillColor(kOrange);
  pgRaaB_whdg->SetFillStyle(1001);

  pgRaaNPJpsi_vitev->SetFillColor(kAzure+1);
  pgRaaNPJpsi_vitev->SetFillStyle(1001);
  pgRaaNPJpsi_vitev_noDissoc->SetFillColor(kAzure-9);
  pgRaaNPJpsi_vitev_noDissoc->SetFillStyle(1001);

  // Style for line graphs
  pgRaaNPJpsi_mcatshq->SetLineColor(kTeal+4);
  pgRaaNPJpsi_mcatshq_rad->SetLineColor(kTeal+3);
  pgRaaNPJpsi_bamps->SetLineColor(kRed+1);
  
//  pgRaaNPJpsi_mcatshq->SetLineStyle(3);
//  pgRaaNPJpsi_mcatshq_rad->SetLineStyle(3);
//  pgRaaNPJpsi_bamps->SetLineStyle(3);
  
  pgRaaNPJpsi_mcatshq->SetLineWidth(4);
  pgRaaNPJpsi_mcatshq_rad->SetLineWidth(4);
  pgRaaNPJpsi_bamps->SetLineWidth(3);


  //---------------------------------------------------------
  TLine *line = new TLine(0.,1,30,1);
  line->SetLineStyle(1);
  line->SetLineWidth(1);

  TCanvas *pc = new TCanvas("pc","pc");

  TF1 *f4 = new TF1("f4","1",0,30);
  f4->SetLineWidth(1);
  f4->GetXaxis()->SetTitle("p_{T} (GeV/c)");
  f4->GetYaxis()->SetTitle("R_{AA}");
  f4->GetYaxis()->SetRangeUser(0.0,1.5);
  f4->GetXaxis()->CenterTitle(kTRUE);
 
  f4->Draw();
  lumi->Draw();
  pc->Update();
  
  pgCmsSyst->Draw("2"); // for drawing x-axis
  if(bDoBRaa)
  {
    pgRaaB_whdg->Draw("f");
  }
  pgRaaNPJpsi_vitev->Draw("f");
  pgRaaNPJpsi_vitev_noDissoc->Draw("f");
  if(bDoBRaa)
  {
    pgRaaB_rapp->Draw("f");
  }
  pgRaaNPJpsi_mcatshq->Draw("l");
  pgRaaNPJpsi_mcatshq_rad->Draw("l");
  pgRaaNPJpsi_bamps->Draw("l");

  pgCmsSyst->Draw("2");
  pgCmsP->Draw("P");
  pgCms->Draw("P");
  pgCmsSyst_lowpt->Draw("2");
  pgCmsP_lowpt->Draw("P");
  pgCms_lowpt->Draw("P");

  // additional info
  CMS_lumi(pc,12003000,0);

  TLegend *leg_cent = new TLegend(0.59,0.50,0.89,0.64,NULL,"brNDC");
//  TLegend *leg_cent = new TLegend(0.29,0.81,0.83,0.89,NULL,"brNDC"); // at top center
  leg_cent->SetMargin(0.17);
  leg_cent->SetBorderSize(0);
  leg_cent->SetTextFont(132);
  leg_cent->SetTextSize(0.03);
  leg_cent->SetLineColor(1);
  leg_cent->SetLineStyle(1);
  leg_cent->SetLineWidth(1);
  leg_cent->SetFillColor(19);
  leg_cent->SetFillStyle(0);

  TLegendEntry *entry_cent;
  entry_cent=leg_cent->AddEntry("raab","Nonprompt J/#psi","");
  entry_cent->SetTextFont(132);
  entry_cent->SetTextSize(ltxSetTextSize3);
  entry_cent=leg_cent->AddEntry("gNonPrJpsi_pt365y1624", "1.6 < |y| < 2.4","p");
//  entry_cent->SetTextColor(kViolet+2);
  entry_cent->SetTextFont(42);
  entry_cent->SetTextSize(entrySize);
  entry_cent=leg_cent->AddEntry("gNonPrJpsi", "|y| < 2.4","p");
//  entry_cent->SetTextColor(kOrange+2);
  entry_cent->SetTextFont(42);
  entry_cent->SetTextSize(entrySize);

  TLegend *leg_theory_cent = new TLegend(0.285,0.681,0.83,0.881,NULL,"brNDC");
//  TLegend *leg_theory_cent = new TLegend(0.29,0.61,0.83,0.81,NULL,"brNDC");
  leg_theory_cent->SetMargin(0.1);
  leg_theory_cent->SetBorderSize(0);
  leg_theory_cent->SetTextFont(62);
  leg_theory_cent->SetTextSize(0.027);
  leg_theory_cent->SetLineColor(1);
  leg_theory_cent->SetLineStyle(1);
  leg_theory_cent->SetLineWidth(1);
  leg_theory_cent->SetFillColor(10);
  leg_theory_cent->SetFillStyle(1001);
  
  TLegendEntry *entry_theory_cent;
  entry_theory_cent=leg_theory_cent->AddEntry("pgRaaNPJpsi_mcatshq_rad","MC@sHQ+EPOS+rad+LPM: standard (0-100%, |y| < 1)","l");
  entry_theory_cent->SetTextFont(42);
  entry_theory_cent=leg_theory_cent->AddEntry("pgRaaNPJpsi_mcatshq","MC@sHQ+EPOS: standard (0-100%, |y| < 1)","l");
  entry_theory_cent->SetTextFont(42);
  entry_theory_cent=leg_theory_cent->AddEntry("pgRaaNPJpsi_bamps","BAMPS: b=5 fm (|y| < 2.4)","l");
  entry_theory_cent->SetTextFont(42);
  entry_theory_cent=leg_theory_cent->AddEntry("pgRaaNPJpsi_vitev","Vitev: Rad E loss+CNM+Dissoc (0-10%, y~0)","f");
  entry_theory_cent->SetTextFont(42);
  entry_theory_cent=leg_theory_cent->AddEntry("pgRaaNPJpsi_vitev_noDissoc","Vitev: Rad E loss+CNM (0-10%, y~0)","f");
  entry_theory_cent->SetTextFont(42);
  if(bDoBRaa)
  {
    entry_theory_cent=leg_theory_cent->AddEntry("pgRaaB_rapp","He,Fries,Rapp: HF transport (0-90%, y~0)","f");
    entry_theory_cent->SetTextFont(42);
    entry_theory_cent=leg_theory_cent->AddEntry("pgRaaB_whdg","WHDG: Rad+Coll E loss (0-80%, y~0)","f");
    entry_theory_cent->SetTextFont(42);
  }

  TLatex *lat = new TLatex();
  lat->SetNDC();
  lat->SetTextFont(42);
  lat->SetTextSize(ltxSetTextSize2);
  lat->DrawLatex(0.2,0.17,"Cent. 0-100%");

  line->Draw();
  leg_cent->Draw();
  leg_theory_cent->Draw();
  gPad->RedrawAxis();
  if(bSavePlots)
  {
    pc->SaveAs(Form("figs/pdf/raaTheoryOpen_pt_withB%d.pdf",bDoBRaa));
    pc->SaveAs(Form("figs/png/raaTheoryOpen_pt_withB%d.png",bDoBRaa));
  }
}
void raaExpOpen_pt(const char* inputDir = "../macro_raa/outRoot", // the place where the input root files, with the histograms are
                   bool bSavePlots      = true,
                   bool bDrawCh         = true,
                   double xMax          = 30 // x-axis range limit (ALICE D has x-range maximum value at 36, CMS has it at 30)
                  )
{
  // set the style
  gSystem->mkdir(Form("./figs/png"), kTRUE);
  gSystem->mkdir(Form("./figs/pdf"), kTRUE);
  setTDRStyle();
  
  // read CMS graphs
  TFile *pgRaaCms_pt   = new TFile(Form("%s/makeRaa_pt.root",inputDir));
  // ##################### HIGH PT ############################
  TGraphErrors *pgCms     = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsi");
  TGraphErrors *pgCmsP    = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiP");
  TGraphErrors *pgCmsSyst = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiSyst");
  pgCmsSyst->SetFillColorAlpha(kOrange-9,0.5);
  pgCms->SetName("gNonPrJpsi");

  TBox *lumi = (TBox*)pgRaaCms_pt->Get("lumi");
  lumi->SetFillColor(kOrange-9);
  lumi->SetFillStyle(1001);
  lumi->SetX1(xMax-0.75); lumi->SetX2(xMax);
  TBox *lumi_lowpt = (TBox*)lumi->Clone("lumi_lowpt");
  lumi_lowpt->SetFillColor(kViolet-9);
  lumi_lowpt->SetFillStyle(1001);
  lumi_lowpt->SetX1(xMax-1.5); lumi_lowpt->SetX2(xMax-0.75);

  // ##################### LOW PT ############################
  TGraphErrors *pgCms_lowpt     = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsi_pt365y1624");
  TGraphErrors *pgCmsP_lowpt    = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiP_pt365y1624");
  TGraphErrors *pgCmsSyst_lowpt = (TGraphErrors *)pgRaaCms_pt->Get("gNonPrJpsiSyst_pt365y1624");
  pgCmsSyst_lowpt->SetFillColorAlpha(kViolet-9,0.5);
  pgCms_lowpt->SetName("gNonPrJpsi_pt365y1624");

  //-------------------------------------------------------------------- 
  // *********** CMS Charged particle RAA
  TGraphAsymmErrors *p8165_d5x1y1 = new TGraphAsymmErrors(p8165_d5x1y1_numpoints, p8165_d5x1y1_xval, p8165_d5x1y1_yval, p8165_d5x1y1_xerrminus, p8165_d5x1y1_xerrplus, p8165_d5x1y1_ystatminus, p8165_d5x1y1_ystatplus);
  TGraphAsymmErrors *p8165_d5x1y1_syst = new TGraphAsymmErrors(p8165_d5x1y1_numpoints, p8165_d5x1y1_xval, p8165_d5x1y1_yval, p8165_d5x1y1_xerrminus, p8165_d5x1y1_xerrplus, p8165_d5x1y1_yerrminus, p8165_d5x1y1_yerrplus);
  p8165_d5x1y1->SetName("cms_ch_raa");
  // X-axis errors will be discarded
  for (int i=0; i<p8165_d5x1y1_numpoints; i++) {
    p8165_d5x1y1->SetPointEXlow(i,0);
    p8165_d5x1y1->SetPointEXhigh(i,0);
    p8165_d5x1y1_syst->SetPointEXlow(i,0.5);
    p8165_d5x1y1_syst->SetPointEXhigh(i,0.5);
  }
   
  // *********** ALICE D RAA vs. pT
  TGraphAsymmErrors *p9059_d15x1y1 = new TGraphAsymmErrors(p9059_d15x1y1_numpoints, p9059_d15x1y1_xval, p9059_d15x1y1_yval, p9059_d15x1y1_xerrminus, p9059_d15x1y1_xerrplus, p9059_d15x1y1_yerrminus, p9059_d15x1y1_yerrplus);
  TGraphAsymmErrors *p9059_d15x1y1_syst = new TGraphAsymmErrors(p9059_d15x1y1_numpoints, p9059_d15x1y1_xval, p9059_d15x1y1_yval, p9059_d15x1y1_xerrminus, p9059_d15x1y1_xerrplus, p9059_d15x1y1_yerrminus, p9059_d15x1y1_yerrplus);
  p9059_d15x1y1->SetName("alice_d_raa");
  // X-axis errors will be discarded
  for (int i=0; i<p9059_d15x1y1_numpoints; i++) {
    p9059_d15x1y1->SetPointEXlow(i,0);
    p9059_d15x1y1->SetPointEXhigh(i,0);
    p9059_d15x1y1_syst->SetPointEXlow(i,0.5);
    p9059_d15x1y1_syst->SetPointEXhigh(i,0.5);
    if (xMax<=30 && (i+1)==p9059_d15x1y1_numpoints) {
      double x,y;
      p9059_d15x1y1->GetPoint(i,x,y);
      p9059_d15x1y1->SetPoint(i,x+5,y);
      p9059_d15x1y1_syst->GetPoint(i,x,y);
      p9059_d15x1y1_syst->SetPoint(i,x+5,y);
    }
  }

  // Style for graphs
  p9059_d15x1y1->SetMarkerStyle(kOpenSquare);
  p9059_d15x1y1->SetMarkerSize(1.3);
  p9059_d15x1y1->SetMarkerColor(kBlack);
  p9059_d15x1y1->SetLineColor(kBlack);
  p9059_d15x1y1_syst->SetFillColorAlpha(kGray+1,0.5);

  p8165_d5x1y1->SetMarkerStyle(20);
  p8165_d5x1y1->SetMarkerSize(1.3);
  p8165_d5x1y1->SetMarkerColor(kTeal+3);
  p8165_d5x1y1->SetLineColor(kTeal+4);
  p8165_d5x1y1_syst->SetFillColorAlpha(kTeal-1,0.5);



  //---------------------------------------------------------
  TLine *line = new TLine(0.,1,xMax,1);
  line->SetLineStyle(1);
  line->SetLineWidth(1);

  TCanvas *pc = new TCanvas("pc","pc");

  TF1 *f4 = new TF1("f4","1",0,xMax);
  f4->SetLineWidth(1);
  f4->GetXaxis()->SetTitle("p_{T} (GeV/c)");
  f4->GetYaxis()->SetTitle("R_{AA}");
  f4->GetXaxis()->SetRangeUser(0.0,xMax);
  f4->GetYaxis()->SetRangeUser(0.0,1.5);
  f4->GetXaxis()->CenterTitle(kTRUE);
 
  f4->Draw();
  lumi->Draw();
  lumi_lowpt->Draw();
  pc->Update();

  pgCmsSyst->Draw("2"); // for drawing x-axis

  p9059_d15x1y1_syst->Draw("2");
  if (bDrawCh) p8165_d5x1y1_syst->Draw("2");
  p9059_d15x1y1->Draw("pz");
  if (bDrawCh) p8165_d5x1y1->Draw("pz");

  pgCmsSyst->Draw("2");
  pgCmsP->Draw("P");
  pgCms->Draw("P");
  pgCmsSyst_lowpt->Draw("2");
  pgCmsP_lowpt->Draw("P");
  pgCms_lowpt->Draw("P");

  // additional info
  CMS_lumi(pc,12003000,0);

  TLegend *leg_cent = new TLegend(0.28,0.77,0.86,0.89,NULL,"brNDC"); // at top center
  leg_cent->SetMargin(0.12);
  leg_cent->SetBorderSize(0);
  leg_cent->SetTextFont(132);
  leg_cent->SetTextSize(0.03);
  leg_cent->SetLineColor(1);
  leg_cent->SetLineStyle(1);
  leg_cent->SetLineWidth(1);
  leg_cent->SetFillColor(19);
  leg_cent->SetFillStyle(0);

  TLegendEntry *entry_cent;
  entry_cent=leg_cent->AddEntry("raab","Open beauty: Nonprompt J/#psi","");
  entry_cent->SetTextFont(132);
  entry_cent->SetTextSize(ltxSetTextSize3);
  entry_cent=leg_cent->AddEntry("gNonPrJpsi_pt365y1624", "1.6 < |y| < 2.4","p");
  entry_cent->SetTextFont(42);
  entry_cent->SetTextSize(entrySize);
  entry_cent=leg_cent->AddEntry("gNonPrJpsi", "|y| < 2.4","p");
  entry_cent->SetTextFont(42);
  entry_cent->SetTextSize(entrySize);

  TLegend *leg_ch = new TLegend(0.28,0.685,0.86,0.765,NULL,"brNDC");
  leg_ch->SetMargin(0.12);
  leg_ch->SetBorderSize(0);
  leg_ch->SetTextFont(132);
  leg_ch->SetTextSize(0.03);
  leg_ch->SetLineColor(1);
  leg_ch->SetLineStyle(1);
  leg_ch->SetLineWidth(1);
  leg_ch->SetFillColor(19);
  leg_ch->SetFillStyle(0);

  if (bDrawCh) {
    TLegendEntry *entry_ch;
    entry_ch=leg_ch->AddEntry("cms_ch","Charged hadron","");
    entry_ch->SetTextSize(ltxSetTextSize3);
    entry_ch->SetTextFont(132);
    entry_ch=leg_ch->AddEntry("cms_ch_raa","|#eta| < 1, Cent. 0-5%","p");
    entry_ch->SetTextSize(entrySize);
    entry_ch->SetTextFont(42);
  }
  
  TLegend *leg_alice;
  if (bDrawCh) {
    leg_alice = new TLegend(0.28,0.60,0.86,0.68,NULL,"brNDC");
  } else {
    leg_alice = new TLegend(0.28,0.685,0.86,0.765,NULL,"brNDC");
  }
  leg_alice->SetMargin(0.12);
  leg_alice->SetBorderSize(0);
  leg_alice->SetTextFont(132);
  leg_alice->SetTextSize(0.03);
  leg_alice->SetLineColor(1);
  leg_alice->SetLineStyle(1);
  leg_alice->SetLineWidth(1);
  leg_alice->SetFillColor(kWhite);
  leg_alice->SetFillStyle(1000);

  TLegendEntry *entry_alice;
  entry_alice=leg_alice->AddEntry("alice_d","Open charm: Prompt D (ALICE)","");
  entry_alice->SetTextSize(ltxSetTextSize3);
  entry_alice->SetTextFont(132);
  entry_alice=leg_alice->AddEntry("alice_d_raa","|y| < 0.5, Cent. 0-10%","p");
  entry_alice->SetTextSize(entrySize);
  entry_alice->SetTextFont(42);

  TLatex *lat = new TLatex();
  lat->SetNDC();
  lat->SetTextFont(42);
  lat->SetTextSize(ltxSetTextSize2);
  if (bDrawCh) lat->DrawLatex(0.63,0.53,"Cent. 0-100%");
  else lat->DrawLatex(0.63,0.58,"Cent. 0-100%");

  line->Draw();
  leg_cent->Draw();
  if (bDrawCh) leg_ch->Draw();
  leg_alice->Draw();
  gPad->RedrawAxis();

  if(bSavePlots)
  {
    pc->SaveAs(Form("figs/pdf/raaExpOpen_pt_RaaCh%d.pdf",bDrawCh));
    pc->SaveAs(Form("figs/png/raaExpOpen_pt_RaaCh%d.png",bDrawCh));
  }
}