Example #1
0
    def get_fractions(self, file_name):
        if os.path.exists(self.hist_input):
            return
        f1 = ROOT.TFile.Open(file_name)
        tree = f1.Get("smeared")

        met_xbins = [250, 300, 350, 400, 500, 600, 700, 800, 900, 2000]
        h_met = tools.make_hist(self.hist_name, met_xbins)
        cuts = ROOT.TCut("weight*(njets < 5 && met_et > 250 && leading_jet_pt > 250 && min_dphi > 0.4)")
        tree.Draw("met_et>>" + h_met.GetName(), cuts)

        fout = ROOT.TFile.Open(self.hist_input, "recreate")
        h_met.Scale(1.0 / h_met.Integral())
        h_met.Write()
        fout.Close()
        f1.Close()