def pdf_logPt2_prelim(): #PDF fit to log_10(pT^2) for preliminary figure #tree_in = tree_incoh tree_in = tree #ptbin = 0.04 ptbin = 0.12 ptmin = -5. ptmax = 1. mmin = 2.8 mmax = 3.2 #fitran = [-5., 1.] fitran = [-0.9, 0.1] binned = False #gamma-gamma 131 evt for pT<0.18 #input data pT = RooRealVar("jRecPt", "pT", 0, 10) m = RooRealVar("jRecM", "mass", 0, 10) dataIN = RooDataSet("data", "data", tree_in, RooArgSet(pT, m)) strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) data = dataIN.reduce(strsel) #x is RooRealVar for log(Pt2) draw = "TMath::Log10(jRecPt*jRecPt)" draw_func = RooFormulaVar( "x", "Dielectron log_{10}( #it{p}_{T}^{2} ) ((GeV/c)^{2})", draw, RooArgList(pT)) x = data.addColumn(draw_func) x.setRange("fitran", fitran[0], fitran[1]) #binned data nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPt = TH1D("hPt", "hPt", nbins, ptmin, ptmax) hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtCoh.SetLineWidth(2) #fill in binned data tree_in.Draw(draw + " >> hPt", strsel) tree_coh.Draw(draw + " >> hPtCoh", strsel) dataH = RooDataHist("dataH", "dataH", RooArgList(x), hPt) #range for plot x.setMin(ptmin) x.setMax(ptmax) x.setRange("plotran", ptmin, ptmax) #create the pdf b = RooRealVar("b", "b", 5., 0., 10.) pdf_func = "log(10.)*pow(10.,x)*exp(-b*pow(10.,x))" pdf_logPt2 = RooGenericPdf("pdf_logPt2", pdf_func, RooArgList(x, b)) #make the fit if binned == True: r1 = pdf_logPt2.fitTo(dataH, rf.Range("fitran"), rf.Save()) else: r1 = pdf_logPt2.fitTo(data, rf.Range("fitran"), rf.Save()) #calculate norm to number of events xset = RooArgSet(x) ipdf = pdf_logPt2.createIntegral(xset, rf.NormSet(xset), rf.Range("fitran")) print "PDF integral:", ipdf.getVal() if binned == True: nevt = tree_incoh.Draw( "", strsel + " && " + draw + ">{0:.3f}".format(fitran[0]) + " && " + draw + "<{1:.3f}".format(fitran[0], fitran[1])) else: nevt = data.sumEntries("x", "fitran") print "nevt:", nevt pdf_logPt2.setNormRange("fitran") print "PDF norm:", pdf_logPt2.getNorm(RooArgSet(x)) #a = nevt/ipdf.getVal() a = nevt / pdf_logPt2.getNorm(RooArgSet(x)) print "a =", a #gamma-gamma contribution hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) tree_gg.Draw(draw + " >> hPtGG", strsel) #ut.norm_to_data(hPtGG, hPt, rt.kGreen, -5., -2.9) ut.norm_to_num(hPtGG, 131., rt.kGreen + 1) print "Int GG:", hPtGG.Integral() #sum of all contributions hSum = ut.prepare_TH1D("hSum", ptbin, ptmin, ptmax) hSum.SetLineWidth(3) #add ggel to the sum hSum.Add(hPtGG) #add incoherent contribution func_logPt2 = TF1("pdf_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_logPt2.SetParameters(a, b.getVal()) hInc = ut.prepare_TH1D("hInc", ptbin, ptmin, ptmax) ut.fill_h1_tf(hInc, func_logPt2) hSum.Add(hInc) #add coherent contribution ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5., -2.2) # norm for coh hSum.Add(hPtCoh) #set to draw as a lines ut.line_h1(hSum, rt.kBlack) #create canvas frame can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.11, 0.1, 0.01, 0.01) frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetYTitle("J/#psi candidates / ({0:.3f}".format(ptbin) + " (GeV/c)^{2})") frame.GetXaxis().SetTitleOffset(1.2) frame.GetYaxis().SetTitleOffset(1.6) print "Int data:", hPt.Integral() #plot the data if binned == True: dataH.plotOn(frame, rf.Name("data")) else: data.plotOn(frame, rf.Name("data")) pdf_logPt2.plotOn(frame, rf.Range("fitran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2")) pdf_logPt2.plotOn(frame, rf.Range("plotran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2_full"), rf.LineStyle(rt.kDashed)) frame.Draw() leg = ut.prepare_leg(0.61, 0.77, 0.16, 0.19, 0.03) #ut.add_leg_mass(leg, mmin, mmax) hx = ut.prepare_TH1D("hx", 1, 0, 1) hx.Draw("same") ln = ut.col_lin(rt.kRed, 2) leg.AddEntry(hx, "Data", "p") leg.AddEntry(hSum, "Sum", "l") leg.AddEntry(hPtCoh, "Coherent J/#psi", "l") leg.AddEntry(ln, "Incoherent parametrization", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-}", "l") #leg.AddEntry(ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") leg.Draw("same") l0 = ut.cut_line(fitran[0], 0.9, frame) l1 = ut.cut_line(fitran[1], 0.9, frame) #l0.Draw() #l1.Draw() pleg = ut.prepare_leg(0.12, 0.75, 0.14, 0.22, 0.03) pleg.AddEntry(None, "#bf{|#kern[0.3]{#it{y}}| < 1}", "") ut.add_leg_mass(pleg, mmin, mmax) pleg.AddEntry(None, "STAR Preliminary", "") pleg.AddEntry(None, "AuAu@200 GeV", "") pleg.AddEntry(None, "UPC sample", "") pleg.Draw("same") desc = pdesc(frame, 0.14, 0.9, 0.057) desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("pdf_logPt2", "data", 2), -1, rt.kRed) desc.itemD("#it{A}", a, -1, rt.kRed) desc.itemR("#it{b}", b, rt.kRed) #desc.draw() #put the sum hSum.Draw("same") frame.Draw("same") #put gamma-gamma and coherent J/psi hPtGG.Draw("same") hPtCoh.Draw("same") #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def plot_pt2_real(): #pT^2 with realistic normalization for incoherent and gamma-gamma components ptbin = 0.002 ptmin = 0. ptmax = 0.2 # 0.3 mmin = 2.8 mmax = 3.2 ngg = 131 # number of gamma-gamma from mass fit strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) can = ut.box_canvas() hPt = ut.prepare_TH1D("hPt", ptbin, ptmin, ptmax) hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtIncoh = ut.prepare_TH1D("hPtIncoh", ptbin, ptmin, ptmax) hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) ut.put_yx_tit(hPt, "Events / ({0:.3f}".format(ptbin) + " GeV^{2})", "#it{p}_{T}^{2} (GeV^{2})") ut.set_margin_lbtr(gPad, 0.11, 0.09, 0.01, 0.02) draw = "jRecPt*jRecPt" tree.Draw(draw + " >> hPt", strsel) tree_coh.Draw(draw + " >> hPtCoh", strsel) tree_gg.Draw(draw + " >> hPtGG", strsel) #incoherent functional shape func_incoh_pt2 = TF1("func_incoh", "[0]*exp(-[1]*x)", 0., 10.) func_incoh_pt2.SetParameters(873.04, 3.28) #fill incoherent histogram from functional shape ut.fill_h1_tf(hPtIncoh, func_incoh_pt2, rt.kRed) ut.norm_to_data(hPtCoh, hPt, rt.kBlue, 0., 0.015) ut.norm_to_num(hPtGG, ngg, rt.kGreen) hPt.Draw() hPtCoh.Draw("same") hPtIncoh.Draw("same") hPtGG.Draw("same") leg = ut.prepare_leg(0.6, 0.78, 0.14, 0.18, 0.03) ut.add_leg_mass(leg, mmin, mmax) leg.AddEntry(hPt, "Data") leg.AddEntry(hPtCoh, "Coherent MC, Sartre", "l") leg.AddEntry(hPtIncoh, "Incoherent parametrization", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-} MC", "l") leg.Draw("same") uoleg = ut.make_uo_leg(hPt, 0.14, 0.9, 0.01, 0.1) #uoleg.Draw("same") gPad.SetLogy() #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def pdf_logPt2_incoh(): #PDF fit to log_10(pT^2) #tree_in = tree_incoh tree_in = tree #ptbin = 0.04 ptbin = 0.12 ptmin = -5. ptmax = 1. mmin = 2.8 mmax = 3.2 #fitran = [-5., 1.] fitran = [-0.9, 0.1] binned = False #gamma-gamma 131 evt for pT<0.18 #output log file out = open("out.txt", "w") ut.log_results( out, "in " + infile + " in_coh " + infile_coh + " in_gg " + infile_gg) loglist = [(x, eval(x)) for x in ["ptbin", "ptmin", "ptmax", "mmin", "mmax", "fitran", "binned"]] strlog = ut.make_log_string(loglist) ut.log_results(out, strlog + "\n") #input data pT = RooRealVar("jRecPt", "pT", 0, 10) m = RooRealVar("jRecM", "mass", 0, 10) dataIN = RooDataSet("data", "data", tree_in, RooArgSet(pT, m)) strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) data = dataIN.reduce(strsel) #x is RooRealVar for log(Pt2) draw = "TMath::Log10(jRecPt*jRecPt)" draw_func = RooFormulaVar("x", "log_{10}( #it{p}_{T}^{2} ) (GeV^{2})", draw, RooArgList(pT)) x = data.addColumn(draw_func) x.setRange("fitran", fitran[0], fitran[1]) #binned data nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) hPt = TH1D("hPt", "hPt", nbins, ptmin, ptmax) tree_in.Draw(draw + " >> hPt", strsel) dataH = RooDataHist("dataH", "dataH", RooArgList(x), hPt) #range for plot x.setMin(ptmin) x.setMax(ptmax) x.setRange("plotran", ptmin, ptmax) #create the pdf b = RooRealVar("b", "b", 5., 0., 10.) pdf_func = "log(10.)*pow(10.,x)*exp(-b*pow(10.,x))" pdf_logPt2 = RooGenericPdf("pdf_logPt2", pdf_func, RooArgList(x, b)) #make the fit if binned == True: r1 = pdf_logPt2.fitTo(dataH, rf.Range("fitran"), rf.Save()) else: r1 = pdf_logPt2.fitTo(data, rf.Range("fitran"), rf.Save()) ut.log_results(out, ut.log_fit_result(r1)) #calculate norm to number of events xset = RooArgSet(x) ipdf = pdf_logPt2.createIntegral(xset, rf.NormSet(xset), rf.Range("fitran")) print "PDF integral:", ipdf.getVal() if binned == True: nevt = tree_incoh.Draw( "", strsel + " && " + draw + ">{0:.3f}".format(fitran[0]) + " && " + draw + "<{1:.3f}".format(fitran[0], fitran[1])) else: nevt = data.sumEntries("x", "fitran") print "nevt:", nevt pdf_logPt2.setNormRange("fitran") print "PDF norm:", pdf_logPt2.getNorm(RooArgSet(x)) #a = nevt/ipdf.getVal() a = nevt / pdf_logPt2.getNorm(RooArgSet(x)) ut.log_results(out, "log_10(pT^2) parametrization:") ut.log_results(out, "A = {0:.2f}".format(a)) ut.log_results(out, ut.log_fit_parameters(r1, 0, 2)) print "a =", a #Coherent contribution hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtCoh.Sumw2() #tree_coh.Draw(draw + " >> hPtCoh", strsel) tree_coh.Draw("TMath::Log10(jGenPt*jGenPt) >> hPtCoh", strsel) ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5., -2.2) # norm for coh #ut.norm_to_data(hPtCoh, hPt, rt.kBlue, -5, -2.1) #ut.norm_to_num(hPtCoh, 405, rt.kBlue) print "Coherent integral:", hPtCoh.Integral() #TMath::Log10(jRecPt*jRecPt) #Sartre generated coherent shape sartre = TFile.Open( "/home/jaroslav/sim/sartre_tx/sartre_AuAu_200GeV_Jpsi_coh_2p7Mevt.root" ) sartre_tree = sartre.Get("sartre_tree") hSartre = ut.prepare_TH1D("hSartre", ptbin, ptmin, ptmax) sartre_tree.Draw("TMath::Log10(pT*pT) >> hSartre", "rapidity>-1 && rapidity<1") ut.norm_to_data(hSartre, hPt, rt.kViolet, -5, -2) # norm for Sartre #gamma-gamma contribution hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) tree_gg.Draw(draw + " >> hPtGG", strsel) #ut.norm_to_data(hPtGG, hPt, rt.kGreen, -5., -2.9) ut.norm_to_num(hPtGG, 131., rt.kGreen) print "Int GG:", hPtGG.Integral() #psi' contribution psiP = TFile.Open(basedir_mc + "/ana_slight14e4x1_s6_sel5z.root") psiP_tree = psiP.Get("jRecTree") hPtPsiP = ut.prepare_TH1D("hPtPsiP", ptbin, ptmin, ptmax) psiP_tree.Draw(draw + " >> hPtPsiP", strsel) ut.norm_to_num(hPtPsiP, 12, rt.kViolet) #sum of all contributions hSum = ut.prepare_TH1D("hSum", ptbin, ptmin, ptmax) hSum.SetLineWidth(3) #add ggel to the sum hSum.Add(hPtGG) #add incoherent contribution func_logPt2 = TF1("pdf_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_logPt2.SetParameters(a, b.getVal()) hInc = ut.prepare_TH1D("hInc", ptbin, ptmin, ptmax) ut.fill_h1_tf(hInc, func_logPt2) hSum.Add(hInc) #add coherent contribution hSum.Add(hPtCoh) #add psi(2S) contribution #hSum.Add(hPtPsiP) #set to draw as a lines ut.line_h1(hSum, rt.kBlack) #create canvas frame can = ut.box_canvas() ut.set_margin_lbtr(gPad, 0.11, 0.09, 0.01, 0.01) frame = x.frame(rf.Bins(nbins), rf.Title("")) frame.SetTitle("") frame.SetMaximum(75) frame.SetYTitle("Events / ({0:.3f}".format(ptbin) + " GeV^{2})") print "Int data:", hPt.Integral() #plot the data if binned == True: dataH.plotOn(frame, rf.Name("data")) else: data.plotOn(frame, rf.Name("data")) pdf_logPt2.plotOn(frame, rf.Range("fitran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2")) pdf_logPt2.plotOn(frame, rf.Range("plotran"), rf.LineColor(rt.kRed), rf.Name("pdf_logPt2_full"), rf.LineStyle(rt.kDashed)) frame.Draw() amin = TMath.Power(10, ptmin) amax = TMath.Power(10, ptmax) - 1 print amin, amax pt2func = TF1("f1", "TMath::Power(10, x)", amin, amax) #TMath::Power(x, 10) aPt2 = TGaxis(-5, 75, 1, 75, "f1", 510, "-") ut.set_axis(aPt2) aPt2.SetTitle("pt2") #aPt2.Draw(); leg = ut.prepare_leg(0.57, 0.78, 0.14, 0.19, 0.03) ut.add_leg_mass(leg, mmin, mmax) hx = ut.prepare_TH1D("hx", 1, 0, 1) hx.Draw("same") ln = ut.col_lin(rt.kRed) leg.AddEntry(hx, "Data") leg.AddEntry(hPtCoh, "Sartre MC", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-} MC", "l") #leg.AddEntry(ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") #leg.AddEntry(ln, "Incoherent fit", "l") leg.Draw("same") l0 = ut.cut_line(fitran[0], 0.9, frame) l1 = ut.cut_line(fitran[1], 0.9, frame) #l0.Draw() #l1.Draw() desc = pdesc(frame, 0.14, 0.8, 0.054) desc.set_text_size(0.03) desc.itemD("#chi^{2}/ndf", frame.chiSquare("pdf_logPt2", "data", 2), -1, rt.kRed) desc.itemD("#it{A}", a, -1, rt.kRed) desc.itemR("#it{b}", b, rt.kRed) desc.draw() #put the sum #hSum.Draw("same") #gPad.SetLogy() frame.Draw("same") #put gamma-gamma hPtGG.Draw("same") #put coherent J/psi hPtCoh.Draw("same") #put Sartre generated coherent shape #hSartre.Draw("same") #put psi(2S) contribution #hPtPsiP.Draw("same") leg2 = ut.prepare_leg(0.14, 0.9, 0.14, 0.08, 0.03) leg2.AddEntry( ln, "ln(10)*#it{A}*10^{log_{10}#it{p}_{T}^{2}}exp(-#it{b}10^{log_{10}#it{p}_{T}^{2}})", "l") #leg2.AddEntry(hPtCoh, "Sartre MC reconstructed", "l") #leg2.AddEntry(hSartre, "Sartre MC generated", "l") leg2.Draw("same") ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def plot_pt(): #pT with coherent incoherent and gamma-gamma components ptbin = 0.02 ptmin = 0. ptmax = 1.1 mmin = 2.8 mmax = 3.2 #mmin = 3.4 #mmax = 5. strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) can = ut.box_canvas() hPt = ut.prepare_TH1D("hPt", ptbin, ptmin, ptmax) hPtCoh = ut.prepare_TH1D("hPtCoh", ptbin, ptmin, ptmax) hPtIncoh = ut.prepare_TH1D("hPtIncoh", ptbin, ptmin, ptmax) hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) #ut.put_yx_tit(hPt, "Events / ({0:.3f}".format(ptbin)+" GeV)", "#it{p}_{T} (GeV})") ut.put_yx_tit(hPt, "J/#psi candidates / ({0:.3f}".format(ptbin) + " GeV/c)", "Dielectron #it{p}_{T} (GeV/c)", 1.5, 1.2) ut.set_margin_lbtr(gPad, 0.11, 0.09, 0.01, 0.02) draw = "jRecPt" tree.Draw(draw + " >> hPt", strsel) tree_coh.Draw(draw + " >> hPtCoh", strsel) tree_incoh.Draw(draw + " >> hPtIncoh", strsel) tree_gg.Draw(draw + " >> hPtGG", strsel) ut.norm_to_data(hPtCoh, hPt, rt.kBlue, 0., 0.08) ut.norm_to_data(hPtIncoh, hPt, rt.kRed, 0.28, 1.) #ut.norm_to_data(hPtGG, hPt, rt.kGreen, 0., 0.03) ut.norm_to_num(hPtGG, 131, rt.kGreen + 1) #sum of all contributions hSum = ut.prepare_TH1D("hSum", ptbin, ptmin, ptmax) hSum.SetLineWidth(3) #add ggel to the sum hSum.Add(hPtGG) #add incoherent contribution hSum.Add(hPtIncoh) #add coherent contribution hSum.Add(hPtCoh) #set to draw as a lines ut.line_h1(hSum, rt.kBlack) hPt.Draw() hSum.Draw("same") hPtCoh.Draw("same") hPtIncoh.Draw("same") hPtGG.Draw("same") leg = ut.prepare_leg(0.64, 0.65, 0.14, 0.3, 0.03) leg.AddEntry(None, "#bf{|#kern[0.3]{#it{y}}| < 1}", "") ut.add_leg_mass(leg, mmin, mmax) leg.AddEntry(hPt, "Data", "p") leg.AddEntry(hSum, "Sum", "l") leg.AddEntry(hPtCoh, "Coherent J/#psi", "l") leg.AddEntry(hPtIncoh, "Incoherent J/#psi", "l") leg.AddEntry(hPtGG, "#gamma#gamma#rightarrow e^{+}e^{-}", "l") leg.Draw("same") uoleg = ut.make_uo_leg(hPt, 0.14, 0.9, 0.01, 0.1) #uoleg.Draw("same") pleg = ut.prepare_leg(0.33, 0.8, 0.01, 0.14, 0.035) pleg.AddEntry(None, "STAR Preliminary", "") pleg.AddEntry(None, "AuAu@200 GeV", "") pleg.AddEntry(None, "UPC sample", "") pleg.Draw("same") #ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def plot(): #plot of log_10(pT^2) with components ptbin = 0.12 ptmin = -5. ptmax = 1. mmin = 2.8 # 2.8 2.4 for ls mmax = 3.2 strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) strsel_ls = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(2.3, mmax) can = ut.box_canvas() hPt = ut.prepare_TH1D("hPt", ptbin, ptmin, ptmax) hPtLS = ut.prepare_TH1D("hPtLS", ptbin, ptmin, ptmax) hPtGG = ut.prepare_TH1D("hPtGG", ptbin, ptmin, ptmax) hPtInc = ut.prepare_TH1D("hPtInc", ptbin, ptmin, ptmax) ut.put_yx_tit(hPt, "Events / ({0:.3f}".format(ptbin) + " GeV^{2})", "log_{10}( #it{p}_{T}^{2} ) (GeV^{2})") ut.set_margin_lbtr(gPad, 0.11, 0.09, 0.01, 0.01) #data draw = "TMath::Log10(jRecPt*jRecPt)" tree.Draw(draw + " >> hPt", strsel) #like-sign data tree_ls.Draw(draw + " >> hPtLS", strsel_ls) ut.set_H1D_col(hPtLS, rt.kRed) print hPtLS.GetEntries() #gamma-gamma tree_gg.Draw(draw + " >> hPtGG", strsel) ut.norm_to_num(hPtGG, 131., rt.kGreen) #incoherent contribution tree_inc.Draw(draw + " >> hPtInc", strsel) ut.norm_to_num(hPtInc, 270., rt.kRed) # 270 100 #psi' contribution psiP = TFile.Open(basedir_mc + "/ana_slight14e4x1_s6_sel5z.root") psiP_tree = psiP.Get("jRecTree") hPtPsiP = ut.prepare_TH1D("hPtPsiP", ptbin, ptmin, ptmax) psiP_tree.Draw(draw + " >> hPtPsiP", strsel) ut.norm_to_num(hPtPsiP, 30, rt.kViolet) #incoherent parametrization func_incoh_logPt2 = TF1("func_incoh_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_incoh_logPt2.SetParName(0, "A") func_incoh_logPt2.SetParName(1, "b") func_incoh_logPt2.SetNpx(1000) func_incoh_logPt2.SetLineColor(rt.kRed) func_incoh_logPt2.SetParameters( 80, 3) # 4.9 from incoherent mc, 3.3 from data fit #signal empirical shape sig1 = TF1("sig1", "gaus", -10, 10) sig1.SetParameters(40, -2.3, 0.4) # const, mean, sigma sig2 = TF1("sig2", "gaus", -10, 10) sig2.SetParameters(35, -1.35, 0.2) #add like-sign to incoherent MC #hPtInc.Add(hPtLS) #subtract the individual components hPt.Add(hPtGG, -1) hPt.Add(sig1, -1) hPt.Add(sig2, -1) hPt.Add(hPtPsiP, -1) hPt.Add(func_incoh_logPt2, -1) hPt.Draw() #hPtLS.Draw("same") #hPtGG.Draw("same") #func_incoh_logPt2.Draw("same") #hPtPsiP.Draw("same") #hPtInc.Draw("same") #sig1.Draw("same") #sig2.Draw("same") ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf")
def fit(): #fit to log_10(pT^2) with components and plot of plain pT^2 #range in log_10(pT^2) ptbin = 0.12 ptmin = -5. ptmax = 0.99 # 1.01 #range in pT^2 ptsq_bin = 0.03 ptsq_min = 1e-5 ptsq_max = 1 mmin = 2.8 mmax = 3.2 #range for incoherent fit fitran = [-0.9, 0.1] #number of gamma-gamma events ngg = 131 #number of psi' events npsiP = 20 #input data pT = RooRealVar("jRecPt", "pT", 0, 10) m = RooRealVar("jRecM", "mass", 0, 10) data_all = RooDataSet("data", "data", tree, RooArgSet(pT, m)) #select for mass range strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) data = data_all.reduce(strsel) #create log(pT^2) from pT ptsq_draw = "jRecPt*jRecPt" # will be used for pT^2 logPtSq_draw = "TMath::Log10(" + ptsq_draw + ")" logPtSq_form = RooFormulaVar("logPtSq", "logPtSq", logPtSq_draw, RooArgList(pT)) logPtSq = data.addColumn(logPtSq_form) logPtSq.setRange("fitran", fitran[0], fitran[1]) #bins and range for the plot nbins, ptmax = ut.get_nbins(ptbin, ptmin, ptmax) logPtSq.setMin(ptmin) logPtSq.setMax(ptmax) logPtSq.setRange("plotran", ptmin, ptmax) #range for pT^2 ptsq_nbins, ptsq_max = ut.get_nbins(ptsq_bin, ptsq_min, ptsq_max) #incoherent parametrization bval = RooRealVar("bval", "bval", 3.3, 0, 10) inc_form = "log(10.)*pow(10.,logPtSq)*exp(-bval*pow(10.,logPtSq))" incpdf = RooGenericPdf("incpdf", inc_form, RooArgList(logPtSq, bval)) #make the incoherent fit res = incpdf.fitTo(data, rf.Range("fitran"), rf.Save()) #get incoherent norm to the number of events lset = RooArgSet(logPtSq) iinc = incpdf.createIntegral(lset, rf.NormSet(lset), rf.Range("fitran")) inc_nevt = data.sumEntries("logPtSq", "fitran") incpdf.setNormRange("fitran") aval = RooRealVar("aval", "aval", inc_nevt / incpdf.getNorm(lset)) #print "A =", aval.getVal() #print "b =", bval.getVal() #incoherent distribution from log_10(pT^2) function for the sum with gamma-gamma hIncPdf = ut.prepare_TH1D_n("hGG", nbins, ptmin, ptmax) func_incoh_logPt2 = TF1("func_incoh_logPt2", "[0]*log(10.)*pow(10.,x)*exp(-[1]*pow(10.,x))", -10., 10.) func_incoh_logPt2.SetNpx(1000) func_incoh_logPt2.SetLineColor(rt.kMagenta) func_incoh_logPt2.SetParameters( aval.getVal(), bval.getVal()) # 4.9 from incoherent mc, 3.3 from data fit ut.fill_h1_tf(hIncPdf, func_incoh_logPt2, rt.kMagenta) #gamma-gamma contribution hGG = ut.prepare_TH1D_n("hGG", nbins, ptmin, ptmax) tree_gg.Draw(logPtSq_draw + " >> hGG", strsel) ut.norm_to_num(hGG, ngg, rt.kGreen + 1) #sum of incoherent distribution and gamma-gamma hSumIncGG = ut.prepare_TH1D_n("hSumIncGG", nbins, ptmin, ptmax) hSumIncGG.Add(hIncPdf) hSumIncGG.Add(hGG) ut.line_h1(hSumIncGG, rt.kMagenta) #gamma-gamma in pT^2 hGG_ptsq = ut.prepare_TH1D_n("hGG_ptsq", ptsq_nbins, ptsq_min, ptsq_max) tree_gg.Draw(ptsq_draw + " >> hGG_ptsq", strsel) ut.norm_to_num(hGG_ptsq, ngg, rt.kGreen + 1) #psi' contribution psiP_file = TFile.Open(basedir_mc + "/ana_slight14e4x1_s6_sel5z.root") psiP_tree = psiP_file.Get("jRecTree") hPsiP = ut.prepare_TH1D_n("hPsiP", nbins, ptmin, ptmax) psiP_tree.Draw(logPtSq_draw + " >> hPsiP", strsel) ut.norm_to_num(hPsiP, npsiP, rt.kViolet) #psi' in pT^2 hPsiP_ptsq = ut.prepare_TH1D_n("hPsiP_ptsq", ptsq_nbins, ptsq_min, ptsq_max) psiP_tree.Draw(ptsq_draw + " >> hPsiP_ptsq", strsel) ut.norm_to_num(hPsiP_ptsq, npsiP, rt.kViolet) #create canvas frame gStyle.SetPadTickY(1) can = ut.box_canvas(1086, 543) # square area is still 768^2 can.SetMargin(0, 0, 0, 0) can.Divide(2, 1, 0, 0) gStyle.SetLineWidth(1) can.cd(1) ut.set_margin_lbtr(gPad, 0.11, 0.1, 0.01, 0) frame = logPtSq.frame(rf.Bins(nbins)) frame.SetTitle("") frame.SetMaximum(80) frame.SetYTitle("Events / ({0:.3f}".format(ptbin) + " GeV^{2})") frame.SetXTitle("log_{10}( #it{p}_{T}^{2} ) (GeV^{2})") frame.GetXaxis().SetTitleOffset(1.2) frame.GetYaxis().SetTitleOffset(1.6) #plot the data data.plotOn(frame, rf.Name("data"), rf.LineWidth(2)) #incoherent parametrization incpdf.plotOn(frame, rf.Range("fitran"), rf.LineColor(rt.kRed), rf.Name("incpdf"), rf.LineWidth(2)) incpdf.plotOn(frame, rf.Range("plotran"), rf.LineColor(rt.kRed), rf.Name("incpdf_full"), rf.LineStyle(rt.kDashed), rf.LineWidth(2)) frame.Draw() #add gamma-gamma contribution hGG.Draw("same") #sum of incoherent distribution and gamma-gamma #hSumIncGG.Draw("same") #add psi' #hPsiP.Draw("same") #legend for log_10(pT^2) leg = ut.prepare_leg(0.15, 0.77, 0.28, 0.19, 0.035) hxl = ut.prepare_TH1D("hxl", 1, 0, 1) hxl.Draw("same") ilin = ut.col_lin(rt.kRed, 2) ilin2 = ut.col_lin(rt.kRed, 2) ilin2.SetLineStyle(rt.kDashed) leg.AddEntry(ilin, "Incoherent parametrization, fit region", "l") leg.AddEntry(ilin2, "Incoherent parametrization, extrapolation region", "l") leg.AddEntry(hGG, "#gamma#gamma#rightarrow e^{+}e^{-}", "l") #leg.AddEntry(hxl, "Data", "lp") leg.AddEntry(hxl, "Data, log_{10}( #it{p}_{T}^{2} )", "lp") leg.Draw("same") #----- plot pT^2 on the right ----- #pT^2 variable from pT ptsq_form = RooFormulaVar("ptsq", "ptsq", ptsq_draw, RooArgList(pT)) ptsq = data.addColumn(ptsq_form) #range for pT^2 plot ptsq.setMin(ptsq_min) ptsq.setMax(ptsq_max) #make the pT^2 plot can.cd(2) gPad.SetLogy() #gPad.SetLineWidth(3) #gPad.SetFrameLineWidth(1) ut.set_margin_lbtr(gPad, 0, 0.1, 0.01, 0.15) ptsq_frame = ptsq.frame(rf.Bins(ptsq_nbins), rf.Title("")) #print type(ptsq_frame), type(ptsq) ptsq_frame.SetTitle("") ptsq_frame.SetXTitle("#it{p}_{T}^{2} (GeV^{2})") ptsq_frame.GetXaxis().SetTitleOffset(1.2) data.plotOn(ptsq_frame, rf.Name("data"), rf.LineWidth(2)) ptsq_frame.SetMaximum(9e2) ptsq_frame.SetMinimum(0.8) # 0.101 ptsq_frame.Draw() #incoherent parametrization in pT^2 over the fit region, scaled to the plot inc_ptsq = TF1("inc_ptsq", "[0]*exp(-[1]*x)", 10**fitran[0], 10**fitran[1]) inc_ptsq.SetParameters(aval.getVal() * ptsq_bin, bval.getVal()) #incoherent parametrization in the extrapolation region, below and above the fit region inc_ptsq_ext1 = TF1("inc_ptsq_ext1", "[0]*exp(-[1]*x)", 0., 10**fitran[0]) inc_ptsq_ext2 = TF1("inc_ptsq_ext2", "[0]*exp(-[1]*x)", 10**fitran[1], 10) inc_ptsq_ext1.SetParameters(aval.getVal() * ptsq_bin, bval.getVal()) inc_ptsq_ext1.SetLineStyle(rt.kDashed) inc_ptsq_ext2.SetParameters(aval.getVal() * ptsq_bin, bval.getVal()) inc_ptsq_ext2.SetLineStyle(rt.kDashed) inc_ptsq.Draw("same") inc_ptsq_ext1.Draw("same") inc_ptsq_ext2.Draw("same") #add gamma-gamma in pT^2 hGG_ptsq.Draw("same") #add psi' in pT^2 #hPsiP_ptsq.Draw("same") #redraw the frame #ptsq_frame.Draw("same") ptsq_frame.GetXaxis().SetLimits(-9e-3, ptsq_frame.GetXaxis().GetXmax()) #vertical axis for pT^2 plot xpos = ptsq_frame.GetXaxis().GetXmax() ypos = ptsq_frame.GetMaximum() ymin = ptsq_frame.GetMinimum() ptsq_axis = TGaxis(xpos, 0, xpos, ypos, ymin, ypos, 510, "+GL") ut.set_axis(ptsq_axis) ptsq_axis.SetMoreLogLabels() ptsq_axis.SetTitle("Events / ({0:.3f}".format(ptsq_bin) + " GeV^{2})") ptsq_axis.SetTitleOffset(2.2) ptsq_axis.Draw() #legend for input data #dleg = ut.prepare_leg(0.4, 0.77, 0.14, 0.18, 0.035) dleg = ut.prepare_leg(0.4, 0.71, 0.16, 0.24, 0.035) dleg.AddEntry(None, "#bf{|#kern[0.3]{#it{y}}| < 1}", "") ut.add_leg_mass(dleg, mmin, mmax) dleg.AddEntry(None, "AuAu@200 GeV", "") dleg.AddEntry(None, "UPC sample", "") dleg.AddEntry(hxl, "Data, #it{p}_{T}^{2}", "lp") dleg.Draw("same") #ut.invert_col_can(can) can.SaveAs("01fig.pdf")
strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) tree.Draw("jRecPt*jRecPt >> hPt", strsel) tree_gg.Draw("jRecPt*jRecPt >> hPtGG", strsel) #incoherent functional shape func_incoh_pt2 = TF1("func_incoh", "[0]*exp(-[1]*x)", 0., 10.) func_incoh_pt2.SetParameters(873.04, 3.28) #fill incoherent histogram from functional shape #hPtIncoh = ut.prepare_TH1D("hPtIncoh", ptbin, ptmin, ptmax) hPtIncoh = ut.prepare_TH1D_vec("hPtIncoh", bins) ut.fill_h1_tf(hPtIncoh, func_incoh_pt2, rt.kRed) #normalize gamma-gamma component ut.norm_to_num(hPtGG, ngg, rt.kGreen) #subtract gamma-gamma and incoherent components hPt.Sumw2() hPt.Add(hPtGG, -1) hPt.Add(hPtIncoh, -1) #scale the luminosity lumi_scaled = lumi * ratio_ana * ratio_zdc_vtx print "lumi_scaled:", lumi_scaled #deconvolution #deconv_min = bins[0] #deconv_max = bins[bins.size()-1] #deconv_nbin = bins.size()-1 #response = RooUnfoldResponse(deconv_nbin, deconv_min, deconv_max, deconv_nbin/2, deconv_min, deconv_max)
def main(): gROOT.SetBatch() #range for |t| ptmin = 0. ptmax = 0.109 # 0.109 0.01 for interference range #default binning ptbin = 0.004 # 0.004 0.0005 for interference range #long bins at high |t| ptmid = 0.06 # 0.08, value > ptmax will switch it off 0.06 ptlon = 0.01 # 0.01 #short bins at low |t| ptlow = 0.01 ptshort = 0.0005 #mass interval mmin = 2.8 mmax = 3.2 #dy = 2. # rapidity interval, for integrated sigma dy = 1. ngg = 131 # number of gamma-gamma from mass fit lumi = 13871.907 # lumi in inv. ub #correction to luminosity for ana/triggered events ratio_ana = 3420950. / 3694000 #scale the lumi for |z| around nominal bunch crossing ratio_zdc_vtx = 0.502 Reta = 0.503 # pseudorapidity preselection #Reta = 1. trg_eff = 0.67 # bemc trigger efficiency ratio_tof = 1.433 # tof correction to efficiency bbceff = 0.97 # BBC veto inefficiency zdc_acc = 0.49 # ZDC acceptance to XnXn 0.7 #zdc_acc = 1. br = 0.05971 # dielectrons branching ratio #data basedir = "../../../star-upc-data/ana/muDst/muDst_run1/sel5" infile = "ana_muDst_run1_all_sel5z.root" #MC basedir_sl = "../../../star-upc-data/ana/starsim/slight14e/sel5" #infile_sl = "ana_slight14e1x2_s6_sel5z.root" infile_sl = "ana_slight14e1x3_s6_sel5z.root" # basedir_sart = "../../../star-upc-data/ana/starsim/sartre14a/sel5" infile_sart = "ana_sartre14a1_sel5z_s6_v2.root" # basedir_bgen = "../../../star-upc-data/ana/starsim/bgen14a/sel5" infile_bgen = "ana_bgen14a1_v0_sel5z_s6.root" #infile_bgen = "ana_bgen14a2_sel5z_s6.root" # basedir_gg = "../../../star-upc-data/ana/starsim/slight14e/sel5" infile_gg = "ana_slight14e2x1_sel5_nzvtx.root" #model predictions gSlight = load_starlight(dy) gSartre = load_sartre() gFlat = loat_flat_pt2() gMS = load_ms() gCCK = load_cck() #open the inputs inp = TFile.Open(basedir + "/" + infile) tree = inp.Get("jRecTree") # inp_gg = TFile.Open(basedir_gg + "/" + infile_gg) tree_gg = inp_gg.Get("jRecTree") # inp_sl = TFile.Open(basedir_sl + "/" + infile_sl) tree_sl_gen = inp_sl.Get("jGenTree") # inp_sart = TFile.Open(basedir_sart + "/" + infile_sart) tree_sart_gen = inp_sart.Get("jGenTree") # inp_bgen = TFile.Open(basedir_bgen + "/" + infile_bgen) tree_bgen_gen = inp_bgen.Get("jGenTree") #evaluate binning #print "bins:", ut.get_nbins(ptbin, ptmin, ptmax) bins = ut.get_bins_vec_2pt(ptbin, ptlon, ptmin, ptmax, ptmid) #bins = ut.get_bins_vec_3pt(ptshort, ptbin, ptlon, ptmin, ptmax, ptlow, ptmid) #print "bins2:", bins.size()-1 #load the data strsel = "jRecM>{0:.3f} && jRecM<{1:.3f}".format(mmin, mmax) hPt = ut.prepare_TH1D_vec("hPt", bins) tree.Draw("jRecPt*jRecPt >> hPt", strsel) #distribution for bin centers hPtCen = hPt.Clone("hPtCen") #gamma-gamma component hPtGG = ut.prepare_TH1D_vec("hPtGG", bins) tree_gg.Draw("jRecPt*jRecPt >> hPtGG", strsel) #normalize the gamma-gamma component ut.norm_to_num(hPtGG, ngg, rt.kGreen) #incoherent functional shape func_incoh_pt2 = TF1("func_incoh", "[0]*exp(-[1]*x)", 0., 10.) func_incoh_pt2.SetParameters(873.04, 3.28) #fill incoherent histogram from functional shape hPtIncoh = ut.prepare_TH1D_vec("hPtIncoh", bins) ut.fill_h1_tf(hPtIncoh, func_incoh_pt2, rt.kRed) #print "Entries before gamma-gamma and incoherent subtraction:", hPt.GetEntries() #subtract gamma-gamma and incoherent components hPt.Sumw2() hPt.Add(hPtGG, -1) #print "Gamma-gamma entries:", hPtGG.Integral() #print "Entries after gamma-gamma subtraction:", hPt.Integral() #print "Incoherent entries:", hPtIncoh.Integral() hPt.Add(hPtIncoh, -1) #print "Entries after all subtraction:", hPt.Integral() #scale the luminosity lumi_scaled = lumi * ratio_ana * ratio_zdc_vtx #print "lumi_scaled:", lumi_scaled #denominator for deconvoluted distribution, conversion ub to mb den = Reta * br * zdc_acc * trg_eff * bbceff * ratio_tof * lumi_scaled * 1000. * dy #deconvolution deconv_min = bins[0] deconv_max = bins[bins.size() - 1] deconv_nbin = bins.size() - 1 gROOT.LoadMacro("fill_response_matrix.C") #Starlight response #resp_sl = RooUnfoldResponse(deconv_nbin, deconv_min, deconv_max, deconv_nbin, deconv_min, deconv_max) resp_sl = RooUnfoldResponse(hPt, hPt) rt.fill_response_matrix(tree_sl_gen, resp_sl) # unfold_sl = RooUnfoldBayes(resp_sl, hPt, 15) #unfold_sl = RooUnfoldSvd(resp_sl, hPt, 15) hPtSl = unfold_sl.Hreco() #ut.set_H1D(hPtSl) #apply the denominator and bin width ut.norm_to_den_w(hPtSl, den) #Sartre response #resp_sart = RooUnfoldResponse(deconv_nbin, deconv_min, deconv_max, deconv_nbin, deconv_min, deconv_max) #resp_sart = RooUnfoldResponse(hPt, hPt) #rt.fill_response_matrix(tree_sart_gen, resp_sart) # #unfold_sart = RooUnfoldBayes(resp_sart, hPt, 10) #hPtSart = unfold_sart.Hreco() #ut.set_H1D(hPtSart) #hPtSart.SetMarkerStyle(21) #Flat pT^2 response #resp_bgen = RooUnfoldResponse(deconv_nbin, deconv_min, deconv_max, deconv_nbin, deconv_min, deconv_max) resp_bgen = RooUnfoldResponse(hPt, hPt) rt.fill_response_matrix(tree_bgen_gen, resp_bgen) # unfold_bgen = RooUnfoldBayes(resp_bgen, hPt, 14) hPtFlat = unfold_bgen.Hreco() #ut.set_H1D(hPtFlat) #apply the denominator and bin width ut.norm_to_den_w(hPtFlat, den) #hPtFlat.SetMarkerStyle(22) #hPtFlat.SetMarkerSize(1.3) #systematical errors err_zdc_acc = 0.1 err_bemc_eff = 0.03 #sys_err = rt.TMath.Sqrt(err_zdc_acc*err_zdc_acc + err_bemc_eff*err_bemc_eff) sys_err = err_zdc_acc * err_zdc_acc + err_bemc_eff * err_bemc_eff #print "Total sys err:", sys_err hSys = ut.prepare_TH1D_vec("hSys", bins) hSys.SetOption("E2") hSys.SetFillColor(rt.kOrange + 1) hSys.SetLineColor(rt.kOrange) for ibin in xrange(1, hPtFlat.GetNbinsX() + 1): hSys.SetBinContent(ibin, hPtFlat.GetBinContent(ibin)) sig_sl = hPtSl.GetBinContent(ibin) sig_fl = hPtFlat.GetBinContent(ibin) err_deconv = TMath.Abs(sig_fl - sig_sl) / sig_fl #print "err_deconv", err_deconv #sys_err += err_deconv*err_deconv sys_err_sq = sys_err + err_deconv * err_deconv sys_err_bin = TMath.Sqrt(sys_err_sq) stat_err = hPtFlat.GetBinError(ibin) / hPtFlat.GetBinContent(ibin) tot_err = TMath.Sqrt(stat_err * stat_err + sys_err_sq) #hSys.SetBinError(ibin, hPtFlat.GetBinContent(ibin)*err_deconv) hSys.SetBinError(ibin, hPtFlat.GetBinContent(ibin) * sys_err_bin) #hPtFlat.SetBinError(ibin, hPtFlat.GetBinContent(ibin)*tot_err) #draw the results gStyle.SetPadTickX(1) gStyle.SetFrameLineWidth(2) #frame for models plot only frame = ut.prepare_TH1D("frame", ptbin, ptmin, ptmax) can = ut.box_canvas() #ut.set_margin_lbtr(gPad, 0.1, 0.09, 0.03, 0.03) ut.set_margin_lbtr(gPad, 0.1, 0.09, 0.055, 0.01) ytit = "d#it{#sigma}/d#it{t}d#it{y} (mb/(GeV/c)^{2})" xtit = "|#kern[0.3]{#it{t}}| ((GeV/c)^{2})" ut.put_yx_tit(frame, ytit, xtit, 1.4, 1.2) frame.SetMaximum(11) #frame.SetMinimum(1.e-6) #frame.SetMinimum(2e-4) frame.SetMinimum(1e-5) # 3e-5 frame.Draw() #hSys.Draw("e2same") #bin center points from data #gSig = apply_centers(hPtFlat, hPtCen) gSig = fixed_centers(hPtFlat) ut.set_graph(gSig) #hPtSl.Draw("e1same") #hPtSart.Draw("e1same") #hPtFlat.Draw("e1same") #put model predictions #gSartre.Draw("lsame") #gFlat.Draw("lsame") gMS.Draw("lsame") gCCK.Draw("lsame") gSlight.Draw("lsame") gSig.Draw("P") frame.Draw("same") gPad.SetLogy() cleg = ut.prepare_leg(0.1, 0.96, 0.14, 0.01, 0.035) cleg.AddEntry( None, "Au+Au #rightarrow J/#psi + Au+Au + XnXn, #sqrt{#it{s}_{#it{NN}}} = 200 GeV", "") cleg.Draw("same") leg = ut.prepare_leg(0.45, 0.82, 0.18, 0.1, 0.035) leg.AddEntry(None, "#bf{|#kern[0.3]{#it{y}}| < 1}", "") hx = ut.prepare_TH1D("hx", 1, 0, 1) leg.AddEntry(hx, "STAR") hx.Draw("same") leg.Draw("same") #legend for models mleg = ut.prepare_leg(0.68, 0.76, 0.3, 0.16, 0.035) #mleg = ut.prepare_leg(0.68, 0.8, 0.3, 0.12, 0.035) mleg.AddEntry(gSlight, "STARLIGHT", "l") mleg.AddEntry(gMS, "MS", "l") mleg.AddEntry(gCCK, "CCK-hs", "l") #mleg.AddEntry(gSartre, "Sartre", "l") #mleg.AddEntry(gFlat, "Flat #it{p}_{T}^{2}", "l") mleg.Draw("same") #legend for deconvolution method dleg = ut.prepare_leg(0.3, 0.75, 0.2, 0.18, 0.035) #dleg = ut.prepare_leg(0.3, 0.83, 0.2, 0.1, 0.035) dleg.AddEntry(None, "Unfolding with:", "") dleg.AddEntry(hPtSl, "Starlight", "p") #dleg.AddEntry(hPtSart, "Sartre", "p") dleg.AddEntry(hPtFlat, "Flat #it{p}_{T}^{2}", "p") #dleg.Draw("same") ut.invert_col(rt.gPad) can.SaveAs("01fig.pdf") #to prevent 'pure virtual method called' gPad.Close() #save the cross section to output file out = TFile("sigma.root", "recreate") gSig.Write("sigma") out.Close() #beep when finished gSystem.Exec("mplayer ../computerbeep_1.mp3 > /dev/null 2>&1")