drawXsec.C File Reference

Go to the source code of this file.

Functions
void	drawXsec (const Char_t *infn="VLExsecNT.root")

Variables
TFile *	inf
TNtuple *	nt
TCanvas *	c1
TCanvas *	c1l
TCanvas *	c2
TGraph *	xsg
TGraph *	psg
TGraph *	rsg
TGraph *	nsg
TH2 *	h
TH2 *	rh

Function Documentation

void drawXsec

(

const Char_t *

infn = "VLExsecNT.root"

)

Definition at line 7 of file drawXsec.C.

References c1, c1l, c2, e, h, MECModelEnuComparisons::i, inf, kRed, nsg, nt, psg, rh, CountCosmicSubruns::rl, rsg, and xsg.

                                                   {
   
   gStyle->SetOptStat(0);
   
   inf = TFile::Open(infn);
   if (inf==0 || inf->IsZombie()) {
      Error("drawXsec","Could not open [%s]",infn);
      return;
   }
   
   nt = dynamic_cast<TNtuple*>(inf->Get("nt"));
   if (nt==0) {
      Error("drawXsec","Could not get nt from [%s]",infn);
      return;
   }
   
   // draw the cross sections
   c1 = new TCanvas("c1", "c1: xsec", 700, 500);
   c1->cd();
   
   h = new TH2F("h","Inverse Beta Decay Cross Section"
      ";E_{#nu} (MeV);#sigma #times 10^{-41} cm^{2}",
      110, 0, 220,
      100, 1e-3, 350);
   h->GetXaxis()->SetNdivisions(505);
   
   const Long64_t xents = nt->Draw("xsec:Ev","","goff");
   xsg = new TGraph(xents,nt->GetV2(),nt->GetV1());
   xsg->SetName("xsg");
   xsg->SetMarkerStyle(24);
   xsg->SetMarkerSize(0.8);
   
   const Long64_t xnents = nt->Draw("xsnun:Ev","","goff");
   nsg = new TGraph(xnents,nt->GetV2(),nt->GetV1());
   nsg->SetName("nsg");
   nsg->SetMarkerStyle(27);
   nsg->SetMarkerColor(kRed+1);
   
   const Long64_t pents = nt->Draw("xspaper:Ev","","goff");
   psg = new TGraph(pents,nt->GetV2(),nt->GetV1());
   psg->SetName("psg");
   psg->SetLineColor(kAzure-8);

   h->Draw("axis");
   psg->Draw("c");
   xsg->Draw("p");
   nsg->Draw("p");

   TLegend* xl = new TLegend(.188,.561,.560,.845);
   xl->SetBorderSize(0);
   xl->SetFillColor(0);
   xl->AddEntry(psg,"Strumia (#bar{#nu_{e}}p#rightarrowne^{+})","l");
   xl->AddEntry(xsg,"VLE GENIE (#bar{#nu_{e}}p#rightarrowne^{+})","p");
   xl->AddEntry(nsg,"VLE GENIE (#nu_{e}n#rightarrowpe^{-})","p");
   xl->Draw();
   

   
   // draw the cross sections on log scale
   c1l = new TCanvas("c1l", "c1l: xsec (logy)", 700, 500);
   c1l->cd();
   c1l->SetLogy();
   h->Draw("axis");
   psg->Draw("c");
   xsg->Draw("p");
   nsg->Draw("p");
   
   TLegend* xll = new TLegend(.453,.360,.825,.644);
   xll->SetBorderSize(0);
   xll->SetFillColor(0);
   xll->AddEntry(psg,"Strumia (#bar{#nu_{e}}p#rightarrowne^{+})","l");
   xll->AddEntry(xsg,"VLE GENIE (#bar{#nu_{e}}p#rightarrowne^{+})","p");
   xll->AddEntry(nsg,"VLE GENIE (#nu_{e}n#rightarrowpe^{-})","p");
   xll->Draw();
   
   // draw ratio: xsec / strumia for nu_e_bar + p --> n + e+
   c2 = new TCanvas("c2", "c2: xsec ratio", 700, 500);;
   c2->cd();
   c2->SetGridy();
   
   rsg = new TGraph(*xsg);
   rsg->SetName("rsg");
   rsg->SetMarkerStyle(21);
   rsg->SetMarkerSize(1);
   rsg->SetMarkerColor(kAzure-8);
   const Double_t* py = psg->GetY();
   Double_t*       ry = rsg->GetY();
   const Int_t     np = rsg->GetN();
   for (Int_t i=0; i<np; i++, ry++, py++) {
      if (*py > 1e-10) *ry /= *py;
   }
   
   rh = new TH2F("rh","IBD X-sec Ratio: GENIE / Strumia Paper"
      ";E_{#nu} (MeV);#sigma(GENIE) / #sigma(Strumia Paper)",
      110, 0, 220,
      100, 0.85, 1.05);
   rh->GetXaxis()->SetNdivisions(505);
   rh->GetYaxis()->SetTitleOffset(1.35);
   
   rh->Draw("axis");
   rsg->Draw("p");
   
   TLatex* rl = new TLatex(126,1.023,"#bar{#nu_{e}}p#rightarrowne^{+}");
   rl->SetTextColor(kAzure-8);
   rl->Draw();
   
}

Variable Documentation

TCanvas* c1

Definition at line 3 of file drawXsec.C.

Referenced by drawXsec().

TCanvas * c1l

Definition at line 3 of file drawXsec.C.

Referenced by drawXsec().

TCanvas * c2

Definition at line 3 of file drawXsec.C.

Referenced by drawXsec().

TH2* h

Definition at line 5 of file drawXsec.C.

Referenced by drawXsec().

TFile* inf

Definition at line 1 of file drawXsec.C.

Referenced by build_knob_switch(), drawXsec(), EHadVisMECpairs(), FileListFromDataset(), mcmc::LoadFromFile(), specprod_numuccinc(), test_stanfit_statsonly(), and test_stanfit_withsysts().

TGraph * nsg

Definition at line 4 of file drawXsec.C.

Referenced by drawXsec().

TNtuple* nt

Definition at line 2 of file drawXsec.C.

Referenced by novaddt::Calibration::analyze(), bpfit::BreakPoint::DebugFitList(), bpfit::BreakPoint::DebugHitList(), drawXsec(), comi::CanaFilter::filter(), goodness(), genie::Spline::LoadFromAsciiFile(), genie::Spline::LoadFromNtuple(), main(), plot_input_data(), and run_evgen_test().

TGraph * psg

Definition at line 4 of file drawXsec.C.

Referenced by drawXsec().

TH2 * rh

Definition at line 5 of file drawXsec.C.

Referenced by showere::ShowerEnergyAna::analyze(), comi::NearlineAna::analyze(), chaninfo::BadChanValidate::BadChansFromOM(), calhit::RemoveBadChannels::beginRun(), calhit::CalHit::beginRun(), calib::AttenFit::beginRun(), calib::DCMTimingOffset::beginRun(), DataCheck::HardwareStatusCheck::beginSubRun(), comi::DataCheck::beginSubRun(), calhit::RemoveBadChannels::beginSubRun(), calhit::CalHit::beginSubRun(), skim::CellHitSkimmer::CheckEvent(), skim::Evaluator::CheckSliceQuality(), CondenseRunList(), drawXsec(), comi::DataCheck::endJob(), calib::FindOutliers::endRun(), calib::Calibrator::EnsureTimingCacheVldTime(), raw2daq::RawDigit2DAQHit::FillDAQHits(), calib::StopperThreshold::FillHist(), skim::CosmicBeamComparison::FillNumuHistograms(), calib::StopperThreshold::FillTree(), showere::ShowerEnergyFilterMC::filter(), chaninfo::BadChanList::IsBadUncached(), chaninfo::BadChanList::LoadNewData(), art::ModuleDescription::mainParameterSetID(), chaninfo::BadChanList::NBadInSubRun(), art::ProductID::operator!=(), art::Transient< art::ProductProvenance::Transients >::operator=(), art::operator>=(), skim::ParametersNumu::ParametersNumu(), skim::ParametersNumuCCpi::ParametersNumuCCpi(), plotTime(), calib::Calibrator::postBeginRun(), chaninfo::BadChanList::postBeginSubRun(), ifdb::IFDBSpillInfo::produce(), photrans::ImprovedTransport::StepAlongHit(), calib::Calibrator::SystematicUncertaintyScale(), and calib::StopperThreshold::testPath().

TGraph * rsg

Definition at line 4 of file drawXsec.C.

Referenced by drawXsec().

TGraph* xsg

Definition at line 4 of file drawXsec.C.

Referenced by drawXsec().