{

TFile *f1 = new TFile("chan0_back4.root");

TFile *f2 = new TFile("chan0_back5.root");

TFile *f3 = new TFile("chan0_back6.root");

TH2F* h1 = (TH2F*)f1->Get("hLvE");

h1->SetName("h1");

TH2F* h2 = (TH2F*)f2->Get("hLvE");

h2->SetName("h2");

TH2F* h3 = (TH2F*)f3->Get("hLvE");

h3->SetName("h3");

h1->SetTitle("Silicon Position vs. Remaining Alpha Energy");

h1->GetYaxis()->SetTitle("Energy Deposited in Silicon");

h1->GetXaxis()->CenterTitle();

h1->GetYaxis()->CenterTitle();

h1->GetXaxis()->SetTitle("\\text{Position } \\left\( Q_{L}/Q_{B} \\approx \\frac{x}{L}\\right\)");

h1->SetMarkerStyle(6);

// h1->SetMarkerSize(5);

h2->SetMarkerStyle(6);

h2->SetMarkerColor(2);

h3->SetMarkerStyle(6);

h3->SetMarkerColor(3);

// h2->SetMarkerSize(5);

h1->Draw();

h2->Draw("SAME");

h3->Draw("SAME");

}