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MiniBooNE_CCQE_XSec_2DTcos_nu.cxx
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MiniBooNE_CCQE_XSec_2DTcos_nu.cxx
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/// Copyright 2016 L. Pickering, P Stowell, R. Terri, C. Wilkinson, C. Wret
/*******************************************************************************
* This file is part of NUISANCE.
*
* NUISANCE is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* NUISANCE is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with NUISANCE. If not, see <http://www.gnu.org/licenses/>.
*******************************************************************************/
#include "MiniBooNE_CCQE_XSec_2DTcos_nu.h"
//********************************************************************
MiniBooNE_CCQE_XSec_2DTcos_nu::MiniBooNE_CCQE_XSec_2DTcos_nu(nuiskey samplekey) {
//********************************************************************
// Sample overview ---------------------------------------------------
std::string descrip = "MiniBooNE_CCQE_XSec_2DTcos_nu sample. \n" \
"Target: CH \n" \
"Flux: MiniBooNE Forward Horn Current nue + nuebar \n" \
"Signal: Any event with 1 electron, any nucleons, and no other FS particles \n";
// Setup common settings
fSettings = LoadSampleSettings(samplekey);
fSettings.SetDescription(descrip);
fSettings.SetXTitle("T_{#mu} (GeV)");
fSettings.SetYTitle("cos#theta_{#mu}");
fSettings.SetZTitle("d^{2}#sigma/dT_{#mu}dcos#theta_{#mu} (cm^{2}/GeV)");
fSettings.SetAllowedTypes("FIX,FREE,SHAPE/DIAG/NORM/MASK", "FIX/DIAG");
fSettings.SetEnuRange(0.0, 3.0);
fSettings.SetNormError(0.101);
fSettings.DefineAllowedTargets("C,H");
// CCQELike plot information
fSettings.SetTitle("MiniBooNE_CCQE_XSec_2DTcos_nu");
ccqelike = fSettings.Found("name", "CCQELike");
if (!ccqelike) {
fSettings.SetDataInput( FitPar::GetDataBase() + "/MiniBooNE/ccqe/aski_con.txt" );
fSettings.SetErrorInput( FitPar::GetDataBase() + "/MiniBooNE/ccqe/aski_err.txt" );
fSettings.DefineAllowedSpecies("numu");
} else {
fSettings.SetDataInput( FitPar::GetDataBase() + "/MiniBooNE/ccqe/aski_like.txt" );
fSettings.SetErrorInput( FitPar::GetDataBase() + "/MiniBooNE/ccqe/aski_err.txt" );
fMeasurementSpeciesType = kNumuWithWrongSignMeasurement;
fSettings.DefineAllowedSpecies("numu,numub");
}
FinaliseSampleSettings();
// Scaling Setup ---------------------------------------------------
// ScaleFactor automatically setup for DiffXSec/cm2/Nucleon
fScaleFactor = (GetEventHistogram()->Integral("width") * 1E-38 / (fNEvents + 0.)) * 14.08 / 6. / TotalIntegratedFlux();
// Plot Setup -------------------------------------------------------
Double_t binx[19] = { 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0};
Double_t biny[21] = { -1.0, -0.9, -0.8, -0.7, -0.6, -0.5, -0.4, -0.3, -0.2, -0.1, 0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0};
CreateDataHistogram(19, binx, 21, biny);
SetDataValuesFromTextFile( fSettings.GetDataInput() );
ScaleData(1E-41);
SetDataErrorsFromTextFile( fSettings.GetErrorInput() );
ScaleDataErrors(1E-42);
SetCovarFromDiagonal();
// Final setup ---------------------------------------------------
FinaliseMeasurement();
};
//********************************************************************
void MiniBooNE_CCQE_XSec_2DTcos_nu::FillEventVariables(FitEvent *event) {
//********************************************************************
if (event->NumFSParticle(PhysConst::pdg_muons) == 0)
return;
TLorentzVector Pnu = event->GetNeutrinoIn()->fP;
// The highest momentum mu+/mu-. The isSignal definition should make sure we only
// accept events we want, so no need to do an additional check here.
TLorentzVector Pmu = event->GetHMFSParticle(PhysConst::pdg_muons)->fP;
// Now find the kinematic values and fill the histogram
Ekmu = Pmu.E() / 1000.0 - PhysConst::mass_muon;
costheta = cos(Pnu.Vect().Angle(Pmu.Vect()));
// Set X and Y Variables
fXVar = Ekmu;
fYVar = costheta;
return;
};
//********************************************************************
bool MiniBooNE_CCQE_XSec_2DTcos_nu::isSignal(FitEvent *event) {
//********************************************************************
// If CC0pi, include both charges
if (ccqelike) {
if (SignalDef::isCC0pi(event, 14, EnuMin, EnuMax) ||
SignalDef::isCC0pi(event, -14, EnuMin, EnuMax))
return true;
} else {
if (SignalDef::isCCQELike(event, 14, EnuMin, EnuMax))
return true;
}
return false;
};

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