void bvt_beta_combinedfit()
{
//=========Macro generated from canvas: Simfit/Simultaneous fit
//=========  (Wed Nov 29 17:15:05 2017) by ROOT version6.06/02
   TCanvas *Simfit = new TCanvas("Simfit", "Simultaneous fit",10,71,700,500);
   Simfit->Range(0.2301057,0.3875,0.8051803,1.5125);
   Simfit->SetFillColor(0);
   Simfit->SetBorderMode(0);
   Simfit->SetBorderSize(2);
   Simfit->SetFrameBorderMode(0);
   Simfit->SetFrameBorderMode(0);
   
   TMultiGraph *multigraph = new TMultiGraph();
   multigraph->SetName("");
   multigraph->SetTitle(" ");
   
   Double_t Graph_fx1001[26] = {
   0.308525,
   0.340994,
   0.366173,
   0.386744,
   0.404198,
   0.419413,
   0.432945,
   0.44518,
   0.456345,
   0.466617,
   0.476154,
   0.485023,
   0.493348,
   0.501186,
   0.508639,
   0.515744,
   0.522563,
   0.529111,
   0.53538,
   0.541398,
   0.549576,
   0.557429,
   0.564849,
   0.571868,
   0.578541,
   0.5849};
   Double_t Graph_fy1001[26] = {
   1.17009,
   1.22548,
   1.25412,
   1.26762,
   1.27924,
   1.28926,
   1.29822,
   1.30487,
   1.31167,
   1.31966,
   1.32693,
   1.33277,
   1.33748,
   1.342,
   1.34494,
   1.34552,
   1.34422,
   1.34555,
   1.34837,
   1.35181,
   1.35453,
   1.35491,
   1.35663,
   1.35679,
   1.35989,
   1.36464};
   Double_t Graph_fex1001[26] = {
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0};
   Double_t Graph_fey1001[26] = {
   0.00768545,
   0.00819192,
   0.00890086,
   0.00890319,
   0.00893001,
   0.00898034,
   0.00878207,
   0.00887555,
   0.00851766,
   0.00882661,
   0.00893656,
   0.00886456,
   0.00898026,
   0.00904985,
   0.00880901,
   0.00871377,
   0.00862534,
   0.00868173,
   0.0087194,
   0.00875697,
   0.00870121,
   0.00870414,
   0.00876418,
   0.00881008,
   0.00884663,
   0.00892479};
   TGraphErrors *gre = new TGraphErrors(26,Graph_fx1001,Graph_fy1001,Graph_fex1001,Graph_fey1001);
   gre->SetName("Graph");
   gre->SetTitle("Graph");
   gre->SetFillColor(1);
   gre->SetMarkerStyle(20);
   
   TH1F *Graph_Graph1001 = new TH1F("Graph_Graph1001","Graph",100,0.2808875,0.6125375);
   Graph_Graph1001->SetMinimum(1.141289);
   Graph_Graph1001->SetMaximum(1.394681);
   Graph_Graph1001->SetDirectory(0);
   Graph_Graph1001->SetStats(0);

   Int_t ci;      // for color index setting
   TColor *color; // for color definition with alpha
   ci = TColor::GetColor("#000099");
   Graph_Graph1001->SetLineColor(ci);
   Graph_Graph1001->GetXaxis()->SetLabelFont(42);
   Graph_Graph1001->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetXaxis()->SetTitleFont(42);
   Graph_Graph1001->GetYaxis()->SetLabelFont(42);
   Graph_Graph1001->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetYaxis()->SetTitleFont(42);
   Graph_Graph1001->GetZaxis()->SetLabelFont(42);
   Graph_Graph1001->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1001->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1001->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1001);
   
   
   TF1 *fB1002 = new TF1("fB","[0]*(   (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )) /  (1+[2]* (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x ))*1.0*1.65901*TMath::Power(x,-1.7218)) + 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )  )  ",0.3,0.59);
   fB1002->SetFillColor(19);
   fB1002->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   fB1002->SetLineColor(ci);
   fB1002->SetLineWidth(2);
   fB1002->SetChisquare(142.2405);
   fB1002->SetNDF(93);
   fB1002->GetXaxis()->SetLabelFont(42);
   fB1002->GetXaxis()->SetLabelSize(0.035);
   fB1002->GetXaxis()->SetTitleSize(0.035);
   fB1002->GetXaxis()->SetTitleFont(42);
   fB1002->GetYaxis()->SetLabelFont(42);
   fB1002->GetYaxis()->SetLabelSize(0.035);
   fB1002->GetYaxis()->SetTitleSize(0.035);
   fB1002->GetYaxis()->SetTitleFont(42);
   fB1002->SetParameter(0,1.425222);
   fB1002->SetParError(0,0.003790996);
   fB1002->SetParLimits(0,0,0);
   fB1002->SetParameter(1,1.33225e+09);
   fB1002->SetParError(1,4.565769e+08);
   fB1002->SetParLimits(1,0,0);
   fB1002->SetParameter(2,0.005428256);
   fB1002->SetParError(2,0.0001593852);
   fB1002->SetParLimits(2,0,0);
   gre->GetListOfFunctions()->Add(fB1002);
   multigraph->Add(gre,"p");
   
   Double_t Graph_fx1003[26] = {
   0.347272,
   0.371222,
   0.391037,
   0.408018,
   0.422922,
   0.436235,
   0.447968,
   0.459299,
   0.470415,
   0.478846,
   0.487649,
   0.495887,
   0.503656,
   0.510991,
   0.517959,
   0.524572,
   0.530889,
   0.536926,
   0.542699,
   0.550671,
   0.558452,
   0.565815,
   0.565815,
   0.572799,
   0.579449,
   0.585785};
   Double_t Graph_fy1003[26] = {
   1.15061,
   1.18124,
   1.20539,
   1.21968,
   1.22856,
   1.23451,
   1.24983,
   1.2618,
   1.26521,
   1.26492,
   1.26371,
   1.27061,
   1.27334,
   1.27687,
   1.2796,
   1.28062,
   1.28058,
   1.28007,
   1.27389,
   1.27711,
   1.28057,
   1.28576,
   1.28604,
   1.29318,
   1.29729,
   1.29912};
   Double_t Graph_fex1003[26] = {
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0};
   Double_t Graph_fey1003[26] = {
   0.0079386,
   0.00810356,
   0.00823989,
   0.00833216,
   0.00820763,
   0.00846215,
   0.00848127,
   0.00844473,
   0.00823922,
   0.00853495,
   0.00843892,
   0.00833523,
   0.00826832,
   0.0081901,
   0.00851587,
   0.00841711,
   0.00835539,
   0.00830596,
   0.00819119,
   0.00807461,
   0.00810535,
   0.00814576,
   0.00802676,
   0.0084179,
   0.00840238,
   0.00832066};
   gre = new TGraphErrors(26,Graph_fx1003,Graph_fy1003,Graph_fex1003,Graph_fey1003);
   gre->SetName("Graph");
   gre->SetTitle("Graph");
   gre->SetFillColor(1);
   gre->SetMarkerStyle(21);
   
   TH1F *Graph_Graph1003 = new TH1F("Graph_Graph1003","Graph",100,0.3234207,0.6096363);
   Graph_Graph1003->SetMinimum(1.126194);
   Graph_Graph1003->SetMaximum(1.323918);
   Graph_Graph1003->SetDirectory(0);
   Graph_Graph1003->SetStats(0);

   ci = TColor::GetColor("#000099");
   Graph_Graph1003->SetLineColor(ci);
   Graph_Graph1003->GetXaxis()->SetLabelFont(42);
   Graph_Graph1003->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1003->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1003->GetXaxis()->SetTitleFont(42);
   Graph_Graph1003->GetYaxis()->SetLabelFont(42);
   Graph_Graph1003->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1003->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1003->GetYaxis()->SetTitleFont(42);
   Graph_Graph1003->GetZaxis()->SetLabelFont(42);
   Graph_Graph1003->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1003->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1003->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1003);
   
   
   TF1 *fSB21004 = new TF1("fSB2","[0]*(   (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )) /  (1+[2]* (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x ))*4.0*1.65901*TMath::Power(x,-1.7218)) + 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )  )  ",0.34,0.59);
   fSB21004->SetFillColor(19);
   fSB21004->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   fSB21004->SetLineColor(ci);
   fSB21004->SetLineWidth(2);
   fSB21004->SetChisquare(142.2405);
   fSB21004->SetNDF(93);
   fSB21004->GetXaxis()->SetLabelFont(42);
   fSB21004->GetXaxis()->SetLabelSize(0.035);
   fSB21004->GetXaxis()->SetTitleSize(0.035);
   fSB21004->GetXaxis()->SetTitleFont(42);
   fSB21004->GetYaxis()->SetLabelFont(42);
   fSB21004->GetYaxis()->SetLabelSize(0.035);
   fSB21004->GetYaxis()->SetTitleSize(0.035);
   fSB21004->GetYaxis()->SetTitleFont(42);
   fSB21004->SetParameter(0,1.425222);
   fSB21004->SetParError(0,0.003790996);
   fSB21004->SetParLimits(0,0,0);
   fSB21004->SetParameter(1,279865);
   fSB21004->SetParError(1,55607.49);
   fSB21004->SetParLimits(1,0,0);
   fSB21004->SetParameter(2,0.005428256);
   fSB21004->SetParError(2,0.0001593852);
   fSB21004->SetParLimits(2,0,0);
   gre->GetListOfFunctions()->Add(fSB21004);
   multigraph->Add(gre,"p");
   
   Double_t Graph_fx1005[26] = {
   0.407871,
   0.44884,
   0.479338,
   0.503822,
   0.524858,
   0.543065,
   0.5589,
   0.573741,
   0.586721,
   0.59808,
   0.608891,
   0.619196,
   0.628229,
   0.636893,
   0.645213,
   0.653209,
   0.6609,
   0.667643,
   0.674162,
   0.681086,
   0.689547,
   0.698204,
   0.705926,
   0.713327,
   0.719927,
   0.726761};
   Double_t Graph_fy1005[26] = {
   0.70017,
   0.75557,
   0.795619,
   0.823137,
   0.846695,
   0.867102,
   0.886679,
   0.902141,
   0.91659,
   0.929151,
   0.94155,
   0.952243,
   0.961937,
   0.970188,
   0.976903,
   0.987228,
   0.994266,
   1.00407,
   1.00707,
   1.01511,
   1.02523,
   1.03263,
   1.04101,
   1.04986,
   1.05878,
   1.06459};
   Double_t Graph_fex1005[26] = {
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0};
   Double_t Graph_fey1005[26] = {
   0.00468578,
   0.00504169,
   0.00532747,
   0.00543006,
   0.00559711,
   0.00569545,
   0.00575669,
   0.00598905,
   0.00611396,
   0.00620195,
   0.00635492,
   0.00637143,
   0.00639461,
   0.00642148,
   0.00647779,
   0.00661662,
   0.0066125,
   0.00669175,
   0.00661587,
   0.0068305,
   0.00700482,
   0.00688834,
   0.00696643,
   0.00696503,
   0.00713316,
   0.00731353};
   gre = new TGraphErrors(26,Graph_fx1005,Graph_fy1005,Graph_fex1005,Graph_fey1005);
   gre->SetName("Graph");
   gre->SetTitle("Graph");
   gre->SetFillColor(1);
   gre->SetMarkerStyle(22);
   
   TH1F *Graph_Graph1005 = new TH1F("Graph_Graph1005","Graph",100,0.375982,0.75865);
   Graph_Graph1005->SetMinimum(0.6578423);
   Graph_Graph1005->SetMaximum(1.109545);
   Graph_Graph1005->SetDirectory(0);
   Graph_Graph1005->SetStats(0);

   ci = TColor::GetColor("#000099");
   Graph_Graph1005->SetLineColor(ci);
   Graph_Graph1005->GetXaxis()->SetLabelFont(42);
   Graph_Graph1005->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1005->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1005->GetXaxis()->SetTitleFont(42);
   Graph_Graph1005->GetYaxis()->SetLabelFont(42);
   Graph_Graph1005->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1005->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1005->GetYaxis()->SetTitleFont(42);
   Graph_Graph1005->GetZaxis()->SetLabelFont(42);
   Graph_Graph1005->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1005->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1005->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1005);
   
   
   TF1 *fSB31006 = new TF1("fSB3","[0]*(   (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )) /  (1+[2]* (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x ))*36.0*1.65901*TMath::Power(x,-1.7218)) + 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )  )  ",0.4,0.73);
   fSB31006->SetFillColor(19);
   fSB31006->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   fSB31006->SetLineColor(ci);
   fSB31006->SetLineWidth(2);
   fSB31006->SetChisquare(142.2405);
   fSB31006->SetNDF(93);
   fSB31006->GetXaxis()->SetLabelFont(42);
   fSB31006->GetXaxis()->SetLabelSize(0.035);
   fSB31006->GetXaxis()->SetTitleSize(0.035);
   fSB31006->GetXaxis()->SetTitleFont(42);
   fSB31006->GetYaxis()->SetLabelFont(42);
   fSB31006->GetYaxis()->SetLabelSize(0.035);
   fSB31006->GetYaxis()->SetTitleSize(0.035);
   fSB31006->GetYaxis()->SetTitleFont(42);
   fSB31006->SetParameter(0,1.425222);
   fSB31006->SetParError(0,0.003790996);
   fSB31006->SetParLimits(0,0,0);
   fSB31006->SetParameter(1,32502.3);
   fSB31006->SetParError(1,4376.858);
   fSB31006->SetParLimits(1,0,0);
   fSB31006->SetParameter(2,0.005428256);
   fSB31006->SetParError(2,0.0001593852);
   fSB31006->SetParLimits(2,0,0);
   gre->GetListOfFunctions()->Add(fSB31006);
   multigraph->Add(gre,"p");
   
   Double_t Graph_fx1007[21] = {
   0.436386,
   0.479001,
   0.511349,
   0.537325,
   0.559062,
   0.577647,
   0.594124,
   0.608731,
   0.621998,
   0.634024,
   0.645051,
   0.655227,
   0.664724,
   0.673476,
   0.681811,
   0.689682,
   0.697243,
   0.704219,
   0.710969,
   0.717113,
   0.726111};
   Double_t Graph_fy1007[21] = {
   0.637511,
   0.682739,
   0.716111,
   0.740358,
   0.761285,
   0.780592,
   0.797751,
   0.814711,
   0.828105,
   0.838841,
   0.851544,
   0.861821,
   0.871405,
   0.881324,
   0.891275,
   0.901056,
   0.909476,
   0.915073,
   0.921715,
   0.925899,
   0.939145};
   Double_t Graph_fex1007[21] = {
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0,
   0};
   Double_t Graph_fey1007[21] = {
   0.00399157,
   0.0045167,
   0.00489326,
   0.00506767,
   0.00518492,
   0.00527569,
   0.00540435,
   0.00568445,
   0.00568885,
   0.0060301,
   0.00605836,
   0.00619182,
   0.00632064,
   0.00669479,
   0.00658981,
   0.00673865,
   0.00682753,
   0.00691147,
   0.00720939,
   0.00730465,
   0.00751825};
   gre = new TGraphErrors(21,Graph_fx1007,Graph_fy1007,Graph_fex1007,Graph_fey1007);
   gre->SetName("Graph");
   gre->SetTitle("Graph");
   gre->SetFillColor(1);
   gre->SetMarkerStyle(23);
   
   TH1F *Graph_Graph1007 = new TH1F("Graph_Graph1007","Graph",100,0.4074135,0.7550835);
   Graph_Graph1007->SetMinimum(0.602205);
   Graph_Graph1007->SetMaximum(0.9779776);
   Graph_Graph1007->SetDirectory(0);
   Graph_Graph1007->SetStats(0);

   ci = TColor::GetColor("#000099");
   Graph_Graph1007->SetLineColor(ci);
   Graph_Graph1007->GetXaxis()->SetLabelFont(42);
   Graph_Graph1007->GetXaxis()->SetLabelSize(0.035);
   Graph_Graph1007->GetXaxis()->SetTitleSize(0.035);
   Graph_Graph1007->GetXaxis()->SetTitleFont(42);
   Graph_Graph1007->GetYaxis()->SetLabelFont(42);
   Graph_Graph1007->GetYaxis()->SetLabelSize(0.035);
   Graph_Graph1007->GetYaxis()->SetTitleSize(0.035);
   Graph_Graph1007->GetYaxis()->SetTitleFont(42);
   Graph_Graph1007->GetZaxis()->SetLabelFont(42);
   Graph_Graph1007->GetZaxis()->SetLabelSize(0.035);
   Graph_Graph1007->GetZaxis()->SetTitleSize(0.035);
   Graph_Graph1007->GetZaxis()->SetTitleFont(42);
   gre->SetHistogram(Graph_Graph1007);
   
   
   TF1 *fSB41008 = new TF1("fSB4","[0]*(   (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )) /  (1+[2]* (1- 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x ))*64.0*1.65901*TMath::Power(x,-1.7218)) + 0.5*(TMath::Log(2*0.511E6*x*x/(1-x*x)/[1]) -x*x )/(TMath::Log(2*0.511E6*x*x/(1-x*x)/68.7) -x*x )  )  ",0.43,0.73);
   fSB41008->SetFillColor(19);
   fSB41008->SetFillStyle(0);

   ci = TColor::GetColor("#ff0000");
   fSB41008->SetLineColor(ci);
   fSB41008->SetLineWidth(2);
   fSB41008->SetChisquare(142.2405);
   fSB41008->SetNDF(93);
   fSB41008->GetXaxis()->SetLabelFont(42);
   fSB41008->GetXaxis()->SetLabelSize(0.035);
   fSB41008->GetXaxis()->SetTitleSize(0.035);
   fSB41008->GetXaxis()->SetTitleFont(42);
   fSB41008->GetYaxis()->SetLabelFont(42);
   fSB41008->GetYaxis()->SetLabelSize(0.035);
   fSB41008->GetYaxis()->SetTitleSize(0.035);
   fSB41008->GetYaxis()->SetTitleFont(42);
   fSB41008->SetParameter(0,1.425222);
   fSB41008->SetParError(0,0.003790996);
   fSB41008->SetParLimits(0,0,0);
   fSB41008->SetParameter(1,15237.5);
   fSB41008->SetParError(1,1698.199);
   fSB41008->SetParLimits(1,0,0);
   fSB41008->SetParameter(2,0.005428256);
   fSB41008->SetParError(2,0.0001593852);
   fSB41008->SetParLimits(2,0,0);
   gre->GetListOfFunctions()->Add(fSB41008);
   multigraph->Add(gre,"p");
   multigraph->Draw("a");
   multigraph->GetXaxis()->SetTitle("Lorentz #beta");
   multigraph->GetXaxis()->SetLabelFont(42);
   multigraph->GetXaxis()->SetLabelSize(0.035);
   multigraph->GetXaxis()->SetTitleSize(0.035);
   multigraph->GetXaxis()->SetTitleFont(42);
   multigraph->GetYaxis()->SetTitle("dA/dE /  (10^{-6} a.u./(Mev#upointion#upoints^{-1})");
   multigraph->GetYaxis()->SetLabelFont(42);
   multigraph->GetYaxis()->SetLabelSize(0.035);
   multigraph->GetYaxis()->SetTitleSize(0.035);
   multigraph->GetYaxis()->SetTitleFont(42);
   
   TPaveText *pt = new TPaveText(0.4821203,0.94,0.5178797,0.995,"blNDC");
   pt->SetName("title");
   pt->SetBorderSize(0);
   pt->SetFillColor(0);
   pt->SetFillStyle(0);
   pt->SetTextFont(42);
   TText *AText = pt->AddText(" ");
   pt->Draw();
   
   TF1 *tf1_birk11009 = new TF1("tf1_birk1","[0]*(1/(1+[1]*1.65901*TMath::Power(x,-1.7218)))",0.3,0.59);
   tf1_birk11009->SetFillColor(19);
   tf1_birk11009->SetFillStyle(0);
   tf1_birk11009->SetLineWidth(2);
   tf1_birk11009->SetLineStyle(2);
   tf1_birk11009->GetXaxis()->SetLabelFont(42);
   tf1_birk11009->GetXaxis()->SetLabelSize(0.035);
   tf1_birk11009->GetXaxis()->SetTitleSize(0.035);
   tf1_birk11009->GetXaxis()->SetTitleFont(42);
   tf1_birk11009->GetYaxis()->SetLabelFont(42);
   tf1_birk11009->GetYaxis()->SetLabelSize(0.035);
   tf1_birk11009->GetYaxis()->SetTitleSize(0.035);
   tf1_birk11009->GetYaxis()->SetTitleFont(42);
   tf1_birk11009->SetParameter(0,1.46123);
   tf1_birk11009->SetParError(0,0);
   tf1_birk11009->SetParLimits(0,0,0);
   tf1_birk11009->SetParameter(1,0.0177651);
   tf1_birk11009->SetParError(1,0);
   tf1_birk11009->SetParLimits(1,0,0);
   tf1_birk11009->Draw("same");
   
   TF1 *tf1_birk21010 = new TF1("tf1_birk2","[0]*(1/(1+[1]*4*1.65901*TMath::Power(x,-1.7218)))",0.34,0.59);
   tf1_birk21010->SetFillColor(19);
   tf1_birk21010->SetFillStyle(0);
   tf1_birk21010->SetLineWidth(2);
   tf1_birk21010->SetLineStyle(2);
   tf1_birk21010->GetXaxis()->SetLabelFont(42);
   tf1_birk21010->GetXaxis()->SetLabelSize(0.035);
   tf1_birk21010->GetXaxis()->SetTitleSize(0.035);
   tf1_birk21010->GetXaxis()->SetTitleFont(42);
   tf1_birk21010->GetYaxis()->SetLabelFont(42);
   tf1_birk21010->GetYaxis()->SetLabelSize(0.035);
   tf1_birk21010->GetYaxis()->SetTitleSize(0.035);
   tf1_birk21010->GetYaxis()->SetTitleFont(42);
   tf1_birk21010->SetParameter(0,1.46123);
   tf1_birk21010->SetParError(0,0);
   tf1_birk21010->SetParLimits(0,0,0);
   tf1_birk21010->SetParameter(1,0.00682331);
   tf1_birk21010->SetParError(1,0);
   tf1_birk21010->SetParLimits(1,0,0);
   tf1_birk21010->Draw("same");
   
   TF1 *tf1_birk31011 = new TF1("tf1_birk3","[0]*(1/(1+[1]*36*1.65901*TMath::Power(x,-1.7218)))",0.4,0.73);
   tf1_birk31011->SetFillColor(19);
   tf1_birk31011->SetFillStyle(0);
   tf1_birk31011->SetLineWidth(2);
   tf1_birk31011->SetLineStyle(2);
   tf1_birk31011->GetXaxis()->SetLabelFont(42);
   tf1_birk31011->GetXaxis()->SetLabelSize(0.035);
   tf1_birk31011->GetXaxis()->SetTitleSize(0.035);
   tf1_birk31011->GetXaxis()->SetTitleFont(42);
   tf1_birk31011->GetYaxis()->SetLabelFont(42);
   tf1_birk31011->GetYaxis()->SetLabelSize(0.035);
   tf1_birk31011->GetYaxis()->SetTitleSize(0.035);
   tf1_birk31011->GetYaxis()->SetTitleFont(42);
   tf1_birk31011->SetParameter(0,1.46123);
   tf1_birk31011->SetParError(0,0);
   tf1_birk31011->SetParLimits(0,0,0);
   tf1_birk31011->SetParameter(1,0.00389243);
   tf1_birk31011->SetParError(1,0);
   tf1_birk31011->SetParLimits(1,0,0);
   tf1_birk31011->Draw("same");
   
   TF1 *tf1_birk41012 = new TF1("tf1_birk4","[0]*(1/(1+[1]*64*1.65901*TMath::Power(x,-1.7218)))",0.43,0.73);
   tf1_birk41012->SetFillColor(19);
   tf1_birk41012->SetFillStyle(0);
   tf1_birk41012->SetLineWidth(2);
   tf1_birk41012->SetLineStyle(2);
   tf1_birk41012->GetXaxis()->SetLabelFont(42);
   tf1_birk41012->GetXaxis()->SetLabelSize(0.035);
   tf1_birk41012->GetXaxis()->SetTitleSize(0.035);
   tf1_birk41012->GetXaxis()->SetTitleFont(42);
   tf1_birk41012->GetYaxis()->SetLabelFont(42);
   tf1_birk41012->GetYaxis()->SetLabelSize(0.035);
   tf1_birk41012->GetYaxis()->SetTitleSize(0.035);
   tf1_birk41012->GetYaxis()->SetTitleFont(42);
   tf1_birk41012->SetParameter(0,1.46123);
   tf1_birk41012->SetParError(0,0);
   tf1_birk41012->SetParLimits(0,0,0);
   tf1_birk41012->SetParameter(1,0.00310792);
   tf1_birk41012->SetParError(1,0);
   tf1_birk41012->SetParLimits(1,0,0);
   tf1_birk41012->Draw("same");
   
   TLegend *leg = new TLegend(0.65,0.65,0.9,0.9,NULL,"brNDC");
   leg->SetBorderSize(0);
   leg->SetTextFont(22);
   leg->SetTextSize(0.035);
   leg->SetLineColor(1);
   leg->SetLineStyle(1);
   leg->SetLineWidth(1);
   leg->SetFillColor(0);
   leg->SetFillStyle(1001);
   TLegendEntry *entry=leg->AddEntry("Graph","Protons","p");
   entry->SetLineColor(1);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(20);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   entry=leg->AddEntry("Graph","Helium","p");
   entry->SetLineColor(1);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(21);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   entry=leg->AddEntry("Graph","Carbon","p");
   entry->SetLineColor(1);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(22);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   entry=leg->AddEntry("Graph","Oxygen","p");
   entry->SetLineColor(1);
   entry->SetLineStyle(1);
   entry->SetLineWidth(1);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(23);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   entry=leg->AddEntry("fB","BVT Fit","l");

   ci = TColor::GetColor("#ff0000");
   entry->SetLineColor(ci);
   entry->SetLineStyle(1);
   entry->SetLineWidth(2);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(21);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   entry=leg->AddEntry("tf1_birk1","Birks Fit","l");
   entry->SetLineColor(1);
   entry->SetLineStyle(2);
   entry->SetLineWidth(2);
   entry->SetMarkerColor(1);
   entry->SetMarkerStyle(21);
   entry->SetMarkerSize(1);
   entry->SetTextFont(22);
   leg->Draw();
   Simfit->Modified();
   Simfit->cd();
   Simfit->SetSelected(Simfit);
}