JetGhostMuonAssociationAlg.cxx

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/

 
//
// includes
//
 
#include <JetAnalysisAlgorithms/JetGhostMuonAssociationAlg.h>
#include <METUtilities/METHelpers.h>
 
//
// method implementations
//
 
namespace CP
{
  StatusCode JetGhostMuonAssociationAlg ::
  initialize ()
  {
    ANA_CHECK (m_jetHandle.initialize (m_systematicsList));
    ANA_CHECK (m_muonHandle.initialize (m_systematicsList));
    ANA_CHECK (m_systematicsList.initialize());
    return StatusCode::SUCCESS;
  }
 
 
  StatusCode JetGhostMuonAssociationAlg ::
  execute (const EventContext& ctx)
  {
    for (const auto& sys : m_systematicsList.systematicsVector())
    {
      xAOD::JetContainer *jets = nullptr;
      ANA_CHECK (m_jetHandle.getCopy (jets, sys, ctx));
 
      // associate the ghost muons to the jets (needed by MET muon-jet OR later)
      const xAOD::MuonContainer* muons = nullptr;
      ANA_CHECK (m_muonHandle.retrieve (muons, sys, ctx));
      met::addGhostMuonsToJets(*muons, *jets);
    }
 
    return StatusCode::SUCCESS;
  }
}