MuonEfficiencyScaleFactorAlg.cxx

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/*
  Copyright (C) 2002-2024 CERN for the benefit of the ATLAS collaboration
*/

 
 
 
//
// includes
//
 
#include <MuonAnalysisAlgorithms/MuonEfficiencyScaleFactorAlg.h>
 
//
// method implementations
//
 
namespace CP
{
 
  StatusCode MuonEfficiencyScaleFactorAlg ::
  initialize ()
  {
    if (m_scaleFactorDecoration.empty() && m_mcEfficiencyDecoration.empty() && m_dataEfficiencyDecoration.empty())
    {
      ANA_MSG_ERROR ("no scale factor or efficiency decoration name set");
      return StatusCode::FAILURE;
    }
 
    ANA_CHECK (m_efficiencyScaleFactorTool.retrieve());
    ANA_CHECK (m_muonHandle.initialize (m_systematicsList));
    ANA_CHECK (m_preselection.initialize (m_systematicsList, m_muonHandle, SG::AllowEmpty));
    ANA_CHECK (m_eventInfoHandle.initialize (m_systematicsList));
    ANA_CHECK (m_scaleFactorDecoration.initialize (m_systematicsList, m_muonHandle, SG::AllowEmpty));
    ANA_CHECK (m_mcEfficiencyDecoration.initialize (m_systematicsList, m_muonHandle, SG::AllowEmpty));
    ANA_CHECK (m_dataEfficiencyDecoration.initialize (m_systematicsList, m_muonHandle, SG::AllowEmpty));
    ANA_CHECK (m_systematicsList.addSystematics (*m_efficiencyScaleFactorTool));
    ANA_CHECK (m_systematicsList.initialize());
    ANA_CHECK (m_outOfValidity.initialize());
 
    return StatusCode::SUCCESS;
  }
 
 
 
  StatusCode MuonEfficiencyScaleFactorAlg ::
  execute (const EventContext& ctx)
  {
    for (const auto& sys : m_systematicsList.systematicsVector())
    {
      ANA_CHECK (m_efficiencyScaleFactorTool->applySystematicVariation (sys));
      const xAOD::MuonContainer *muons = nullptr;
      ANA_CHECK (m_muonHandle.retrieve (muons, sys, ctx));
      const xAOD::EventInfo *eventInfo = nullptr;
      ANA_CHECK (m_eventInfoHandle.retrieve (eventInfo, sys, ctx));
      for (const xAOD::Muon *muon : *muons)
      {
        if (m_preselection.getBool (*muon, sys))
        {
          if (m_scaleFactorDecoration) {
            float sf = 0;
            ANA_CHECK_CORRECTION (m_outOfValidity, *muon, m_efficiencyScaleFactorTool->getEfficiencyScaleFactor (*muon, sf, eventInfo));
            m_scaleFactorDecoration.set (*muon, sf, sys);
          }
 
          if (m_mcEfficiencyDecoration) {
            float eff = 0;
            ANA_CHECK_CORRECTION (m_outOfValidity, *muon, m_efficiencyScaleFactorTool->getMCEfficiency (*muon, eff, eventInfo));
            m_mcEfficiencyDecoration.set (*muon, eff, sys);
          }
 
          if (m_dataEfficiencyDecoration) {
            float eff = 0;
            ANA_CHECK_CORRECTION (m_outOfValidity, *muon, m_efficiencyScaleFactorTool->getDataEfficiency (*muon, eff, eventInfo));
            m_dataEfficiencyDecoration.set (*muon, eff, sys);
          }
        } else
        {
          if (m_scaleFactorDecoration) {
            m_scaleFactorDecoration.set (*muon, invalidScaleFactor(), sys);
          }
 
          if (m_mcEfficiencyDecoration) {
            m_mcEfficiencyDecoration.set (*muon, invalidEfficiency(), sys);
          }
 
          if (m_dataEfficiencyDecoration) {
            m_dataEfficiencyDecoration.set (*muon, invalidEfficiency(), sys);
          }
        }
      }
    }
 
    return StatusCode::SUCCESS;
  }
}