Require the event to contain at least one charged lepton (from W decay, which should come from top) with pt at or above Ptcut. More...

#include <TTbarWToLeptonFilter.h>

Inheritance diagram for TTbarWToLeptonFilter:

Collaboration diagram for TTbarWToLeptonFilter:

Public Member Functions
	TTbarWToLeptonFilter (const std::string &name, ISvcLocator *pSvcLocator)
virtual StatusCode	filterEvent ()
virtual StatusCode	sysInitialize () override
	Override sysInitialize.
virtual const DataObjIDColl &	extraOutputDeps () const override
	Return the list of extra output dependencies.
ServiceHandle< StoreGateSvc > &	evtStore ()
	The standard `StoreGateSvc` (event store) Returns (kind of) a pointer to the `StoreGateSvc`.
const ServiceHandle< StoreGateSvc > &	detStore () const
	The standard `StoreGateSvc/DetectorStore` Returns (kind of) a pointer to the `StoreGateSvc`.
virtual StatusCode	sysStart () override
	Handle START transition.
virtual std::vector< Gaudi::DataHandle * >	inputHandles () const override
	Return this algorithm's input handles.
virtual std::vector< Gaudi::DataHandle * >	outputHandles () const override
	Return this algorithm's output handles.
Gaudi::Details::PropertyBase &	declareProperty (Gaudi::Property< T, V, H > &t)
void	updateVHKA (Gaudi::Details::PropertyBase &)
MsgStream &	msg () const
bool	msgLvl (const MSG::Level lvl) const
Event loop algorithm methods: not to be overloaded
StatusCode	initialize ()
StatusCode	execute ()
StatusCode	finalize ()
Gen-specific event loop methods: to be overloaded!
virtual StatusCode	filterInitialize ()
virtual StatusCode	filterFinalize ()
Counters
int	nPassed () const
int	nFailed () const
int	nNeeded () const
Event collection accessors (const and non-const)
HepMC::GenEvent *event	ATLAS_NOT_CONST_THREAD_SAFE ()
	Access the current signal event (first in the McEventCollection)
McEventCollection *events	ATLAS_NOT_CONST_THREAD_SAFE ()
	Access the current event's McEventCollection.
const HepMC::GenEvent *	event_const () const
	Access the current signal event (const)
const McEventCollection *	events_const () const
	Access the current event's McEventCollection (const)
const McEventCollection *	events_const (const EventContext &ctx) const
Particle data accessors
const ServiceHandle< IPartPropSvc >	partPropSvc () const
	Access the particle property service.
const HepPDT::ParticleDataTable &	particleTable () const
	Get a particle data table.
const HepPDT::ParticleDataTable &	pdt () const
	Shorter alias to get a particle data table.
const HepPDT::ParticleData *	particleData (int pid) const
	Access an element in the particle data table.

Public Attributes
	Ptcut
	Add this filter to the algs required to be successful for streaming if "TTbarWToLeptonFilter" not in StreamEVGEN.RequireAlgs: StreamEVGEN.RequireAlgs += ["TTbarWToLeptonFilter"].

Protected Member Functions
void	renounceArray (SG::VarHandleKeyArray &handlesArray)
	remove all handles from I/O resolution
std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void >	renounce (T &h)
void	extraDeps_update_handler (Gaudi::Details::PropertyBase &ExtraDeps)
	Add StoreName to extra input/output deps as needed.

Protected Attributes
Counters and requirements
int	m_nPass
int	m_nFail
int	m_nNeeded
Properties
std::string	m_mcEventKey {}
	StoreGate key for the MC event collection (defaults to GEN_EVENT)
BooleanProperty	m_mkMcEvent {this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"}
	Flag to determine if a new MC event collection should be made if it doesn't exist.

Private Types
typedef ServiceHandle< StoreGateSvc >	StoreGateSvc_t

Private Member Functions
Gaudi::Details::PropertyBase &	declareGaudiProperty (Gaudi::Property< T, V, H > &hndl, const SG::VarHandleKeyType &)
	specialization for handling Gaudi::Property<SG::VarHandleKey>

Private Attributes
double	m_Ptmin
int	m_numLeptons
bool	m_fourTopsFilter
bool	m_SSMLFilter
DataObjIDColl	m_extendedExtraObjects
StoreGateSvc_t	m_evtStore
	Pointer to StoreGate (event store by default)
StoreGateSvc_t	m_detStore
	Pointer to StoreGate (detector store by default)
std::vector< SG::VarHandleKeyArray * >	m_vhka
bool	m_varHandleArraysDeclared

Utility event-mangling functions
Todo Replace with HepMC units when available
ServiceHandle< IPartPropSvc >	m_ppSvc {this, "PartPropSvc", "PartPropSvc"}
	Handle on the particle property service.
SG::ReadHandleKey< McEventCollection >	m_mcevents_const { this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" }
	Const handle to the MC event collection.
void	GeVToMeV (HepMC::GenEvent *evt)
	Scale event energies/momenta by x 1000.
void	MeVToGeV (HepMC::GenEvent *evt)
	Scale event energies/momenta by x 1/1000.
void	cmTomm (HepMC::GenEvent *evt)
	Scale event lengths by x 10.
void	mmTocm (HepMC::GenEvent *evt)
	Scale event lengths by x 1/10.

Detailed Description

Require the event to contain at least one charged lepton (from W decay, which should come from top) with pt at or above Ptcut.

Events that do not contain t AND t bar quarks are rejected. Only tops decaying to W X are analyzed and counted in this algorithm.

Author: Gia Khoriauli, June 2008; Andy Buckley, extension to specific lepton multiplicities, April 2012

Definition at line 16 of file TTbarWToLeptonFilter.h.

Member Typedef Documentation

◆ StoreGateSvc_t

typedef ServiceHandle<StoreGateSvc> AthCommonDataStore< AthCommonMsg< Algorithm > >::StoreGateSvc_t

privateinherited

Definition at line 388 of file AthCommonDataStore.h.

Constructor & Destructor Documentation

◆ TTbarWToLeptonFilter()

TTbarWToLeptonFilter::TTbarWToLeptonFilter	(	const std::string &	name,
		ISvcLocator *	pSvcLocator )

Definition at line 7 of file TTbarWToLeptonFilter.cxx.

  : GenFilter(name,pSvcLocator)
{
  declareProperty("Ptcut", m_Ptmin=200000.);
  declareProperty("NumLeptons", m_numLeptons=-1); // Negative for >0, positive integers for the specific number
  declareProperty("fourTopsFilter", m_fourTopsFilter=false);//four top filter or not
  declareProperty("SSMLFilter", m_SSMLFilter=false);//Same sign multilepton filter or not
 
}

Member Function Documentation

◆ ATLAS_NOT_CONST_THREAD_SAFE() [1/2]

HepMC::GenEvent *event GenBase::ATLAS_NOT_CONST_THREAD_SAFE ( )

inlineinherited

Access the current signal event (first in the McEventCollection)

Note: This function will make a new McEventCollection if there is not already a valid one and MakeMcEvent=True.

Definition at line 76 of file GenBase.h.

                                                      {
    if (events()->empty())
      ATH_MSG_ERROR("McEventCollection is empty during first event access");
    return *(events()->begin());
  }

◆ ATLAS_NOT_CONST_THREAD_SAFE() [2/2]

McEventCollection *events GenBase::ATLAS_NOT_CONST_THREAD_SAFE ( )

inherited

Access the current event's McEventCollection.

Note: This function will make a new McEventCollection if there is not already a valid one and MakeMcEvent=True.

◆ cmTomm()

void GenBase::cmTomm ( HepMC::GenEvent * evt )

protectedinherited

Scale event lengths by x 10.

Definition at line 78 of file GenBase.cxx.

                                       {
  for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
    const HepMC::FourVector fv((*vtx)->position().x() * 10,
                               (*vtx)->position().y() * 10,
                               (*vtx)->position().z() * 10,
                               (*vtx)->position().t() * 10);
    (*vtx)->set_position(fv);
  }
}

◆ declareGaudiProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareGaudiProperty	(	Gaudi::Property< T, V, H > &	hndl,
		const SG::VarHandleKeyType &	)

inlineprivateinherited

specialization for handling Gaudi::Property<SG::VarHandleKey>

Definition at line 156 of file AthCommonDataStore.h.

  {
    return *AthCommonDataStore<PBASE>::declareProperty(hndl.name(),
                                                       hndl.value(), 
                                                       hndl.documentation());
 
  }

◆ declareProperty()

Gaudi::Details::PropertyBase & AthCommonDataStore< AthCommonMsg< Algorithm > >::declareProperty ( Gaudi::Property< T, V, H > & t )

inlineinherited

Definition at line 145 of file AthCommonDataStore.h.

                                                                     {
    typedef typename SG::HandleClassifier<T>::type htype;
    return AthCommonDataStore<PBASE>::declareGaudiProperty(t, htype());
  }

◆ detStore()

const ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::detStore ( ) const

inlineinherited

The standard StoreGateSvc/DetectorStore Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 95 of file AthCommonDataStore.h.

95{ return m_detStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

StoreGateSvc_t m_detStore

Definition AthCommonDataStore.h:393

◆ event_const()

const HepMC::GenEvent * GenBase::event_const ( ) const

inlineinherited

Access the current signal event (const)

Definition at line 83 of file GenBase.h.

                                           {
    if (events_const()->empty())
      ATH_MSG_ERROR("Const McEventCollection is empty during first event access");
    return *(events_const()->begin());
  }

◆ events_const() [1/2]

const McEventCollection * GenBase::events_const ( ) const

inlineinherited

Access the current event's McEventCollection (const)

Definition at line 96 of file GenBase.h.

                                                {
    return events_const( getContext() );
  }

◆ events_const() [2/2]

const McEventCollection * GenBase::events_const ( const EventContext & ctx ) const

inlineinherited

Definition at line 99 of file GenBase.h.

                                                                         {
    SG::ReadHandle<McEventCollection> ret = SG::makeHandle(m_mcevents_const, ctx);
    if (!ret.isValid())
      ATH_MSG_ERROR("No McEventCollection found in StoreGate with key " << m_mcevents_const.key());
    return ret.cptr();
  }

◆ evtStore()

ServiceHandle< StoreGateSvc > & AthCommonDataStore< AthCommonMsg< Algorithm > >::evtStore ( )

inlineinherited

The standard StoreGateSvc (event store) Returns (kind of) a pointer to the StoreGateSvc.

Definition at line 85 of file AthCommonDataStore.h.

85{ return m_evtStore; }

AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

StoreGateSvc_t m_evtStore

Definition AthCommonDataStore.h:390

◆ execute()

StatusCode GenFilter::execute ( )

virtualinherited

Todo: Probably the filter should only look at the first event... right?

Reimplemented from GenBase.

Definition at line 29 of file GenFilter.cxx.

                              {
  if (events_const()->empty()) {
    ATH_MSG_ERROR("No events found in McEventCollection");
    return StatusCode::FAILURE;
  } else if (events_const()->size() > 1) {
    ATH_MSG_WARNING("More than one event in current McEventCollection -- which is valid?");
  }
  StatusCode sc = filterEvent();
#ifdef HEPMC3
  if (filterPassed() || m_keepAll ) {
#else
  if (filterPassed() ) {
#endif
    ATH_MSG_DEBUG("Event passed filter");
    m_nPass += 1;
  } else {
    ATH_MSG_DEBUG("Event failed filter");
    m_nFail += 1;
  }
  // Bail out once we have enough events
  if (m_nPass >= m_nNeeded && m_nNeeded > 0)
    sc = StatusCode::FAILURE;
  return sc;
}

◆ extraDeps_update_handler()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::extraDeps_update_handler ( Gaudi::Details::PropertyBase & ExtraDeps )

protectedinherited

Add StoreName to extra input/output deps as needed.

use the logic of the VarHandleKey to parse the DataObjID keys supplied via the ExtraInputs and ExtraOuputs Properties to add the StoreName if it's not explicitly given

◆ extraOutputDeps()

const DataObjIDColl & AthAlgorithm::extraOutputDeps ( ) const

overridevirtualinherited

Return the list of extra output dependencies.

This list is extended to include symlinks implied by inheritance relations.

Definition at line 50 of file AthAlgorithm.cxx.

{
  // If we didn't find any symlinks to add, just return the collection
  // from the base class.  Otherwise, return the extended collection.
  if (!m_extendedExtraObjects.empty()) {
    return m_extendedExtraObjects;
  }
  return Algorithm::extraOutputDeps();
}

◆ filterEvent()

StatusCode TTbarWToLeptonFilter::filterEvent ( )

virtual

Implements GenFilter.

Definition at line 18 of file TTbarWToLeptonFilter.cxx.

                                             {
  int N_quark_t    = 0;
  int N_quark_tbar = 0;
  int N_quark_t_all    = 0;
  int N_quark_tbar_all = 0;
  int N_pt_above_cut = 0;
  int N_pt_above_cut_plus = 0;
  int N_pt_above_cut_minus = 0;
 
  int foundlepton[6] = {0, 0, 0, 0, 0, 0}; // e+, e-, mu+, mu-, tau+, tau-
  int  count_found_leptons = 1; // In ttbar each charged lepton flavour is counted at most once
  if(m_fourTopsFilter) count_found_leptons = 2; // In four tops, one can have the same charged lepton flavour twice
 
  for (McEventCollection::const_iterator itr = events()->begin(); itr!=events()->end(); ++itr) {
    const HepMC::GenEvent* genEvt = (*itr);
#ifdef HEPMC3
    for (const auto&  pitr: *genEvt) {
        if (std::abs(pitr->pdg_id()) != 6) continue;
        if ( pitr->pdg_id() ==  6 ) N_quark_t_all++;
        if ( pitr->pdg_id() == -6 ) N_quark_tbar_all++;
        auto decayVtx = pitr->end_vertex();
        // Verify if we got a valid pointer and retrieve the number of daughters
        if (!decayVtx) continue; 
        // For this analysis we are not interested in t->t MC structures, only in decays
        if (decayVtx->particles_out().size() < 2) continue;
        for (const auto& child_mcpart:  decayVtx->particles_out()) {
            //  Implicitly assume that tops always decay to W X
            if (std::abs(child_mcpart->pdg_id()) != 24) continue;
              if ( pitr->pdg_id() ==  6 ) N_quark_t++;
              if ( pitr->pdg_id() == -6 ) N_quark_tbar++;
 
              bool  useNextVertex = false;
              auto w_decayVtx = child_mcpart->end_vertex();
              while (w_decayVtx) {
                useNextVertex = false;
                for (const auto& grandchild_mcpart: *w_decayVtx) {
                  int grandchild_pid = grandchild_mcpart->pdg_id();
                  ATH_MSG_DEBUG("W (t/tbar) has " <<  w_decayVtx->particles_out().size() << " children and the pdg_id of the next is " << grandchild_pid);
                  // Check if the W's child is W again. If yes, then move to its next decay vertex in a decay tree
                  if (std::abs(grandchild_pid) == 24) {
                     w_decayVtx = grandchild_mcpart->end_vertex();
                 // If something wrong comes from truth...
                 if (!w_decayVtx) {
                                   ATH_MSG_ERROR("A stable W is found... ");
                                   break;
                     }
                 useNextVertex = true;
                break;
                  }
 
          // use brute force to use only leptons that have not been found already 
          if (grandchild_pid == -11 && foundlepton[0] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[0]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 11 && foundlepton[1] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[1]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
 
            }
          }
          if (grandchild_pid == -13 && foundlepton[2] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[2]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 13 && foundlepton[3] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[3]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
            }
          }
          if (grandchild_pid == -15 && foundlepton[4] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[4]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 15 && foundlepton[5] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[5]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
            }
          }
                }
                // If investigation of W's next decay vertex is not required then finish looking for leptons
                if (!useNextVertex) break;
         }
      }
   }
#else
    for (HepMC::GenEvent::particle_const_iterator pitr = genEvt->particles_begin(); pitr != genEvt->particles_end(); ++pitr) {
      if (std::abs((*pitr)->pdg_id()) == 6) {
        if ( (*pitr)->pdg_id() ==  6 ) N_quark_t_all++;
        if ( (*pitr)->pdg_id() == -6 ) N_quark_tbar_all++;
 
        int n_daughters = 0;
 
        HepMC::GenParticle * mcpart = (*pitr);
        const HepMC::GenVertex * decayVtx = mcpart->end_vertex();
 
        // Verify if we got a valid pointer and retrieve the number of daughters
        if (decayVtx != 0) n_daughters = decayVtx->particles_out_size();
 
        // For this analysis we are not interested in t->t MC structures, only in decays
        if (n_daughters >= 2) {
          HepMC::GenVertex::particles_in_const_iterator child_mcpartItr  = decayVtx->particles_out_const_begin();
          HepMC::GenVertex::particles_in_const_iterator child_mcpartItrE = decayVtx->particles_out_const_end();
          for (; child_mcpartItr != child_mcpartItrE; ++child_mcpartItr) {
            HepMC::GenParticle * child_mcpart = (*child_mcpartItr);
 
            //  Implicitly assume that tops always decay to W X
            if (std::abs(child_mcpart->pdg_id()) == 24) {
              if ( (*pitr)->pdg_id() ==  6 ) N_quark_t++;
              if ( (*pitr)->pdg_id() == -6 ) N_quark_tbar++;
 
              bool  useNextVertex = false;
              const HepMC::GenVertex * w_decayVtx = child_mcpart->end_vertex();
 
              while (w_decayVtx) {
 
                useNextVertex = false;
                int mcpart_n_particles_out = w_decayVtx->particles_out_size();
 
                HepMC::GenVertex::particles_out_const_iterator grandchild_mcpartItr  = w_decayVtx->particles_out_const_begin();
                HepMC::GenVertex::particles_out_const_iterator grandchild_mcpartItrE = w_decayVtx->particles_out_const_end();
 
                for (; grandchild_mcpartItr != grandchild_mcpartItrE; ++grandchild_mcpartItr) {
      HepMC::GenParticle * grandchild_mcpart = (*grandchild_mcpartItr);
          int grandchild_pid = grandchild_mcpart->pdg_id();
 
          ATH_MSG_DEBUG("W (t/tbar) has " << mcpart_n_particles_out << " children and the pdg_id of the next is " << grandchild_pid);
 
          // Check if the W's child is W again. If yes, then move to its next decay vertex in a decay tree
          if (std::abs(grandchild_pid) == 24) {
            w_decayVtx = grandchild_mcpart->end_vertex();
 
            // If something wrong comes from truth...
            if (!w_decayVtx) {
              ATH_MSG_ERROR("A stable W is found... ");
              break;
            }
 
            useNextVertex = true;
            break;
          }
 
          // use brute force to use only leptons that have not been found already 
          if (grandchild_pid == -11 && foundlepton[0] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[0]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 11 && foundlepton[1] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[1]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
 
            }
          }
          if (grandchild_pid == -13 && foundlepton[2] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[2]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 13 && foundlepton[3] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[3]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
            }
          }
          if (grandchild_pid == -15 && foundlepton[4] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[4]++;
              N_pt_above_cut++;
                      N_pt_above_cut_minus++;
            }
          }
          if (grandchild_pid == 15 && foundlepton[5] < count_found_leptons) {
            if (grandchild_mcpart->momentum().perp() >= m_Ptmin) { 
              foundlepton[5]++;
              N_pt_above_cut++;
                      N_pt_above_cut_plus++;
            }
          }
                  
        }
        
                // If investigation of W's next decay vertex is not required then finish looking for leptons
                if (!useNextVertex) break;
              }
            }
          }
        }
      }
    }
#endif
  }
 
  ATH_MSG_INFO("Found " << N_quark_t_all    << " t    quarks in event record");
  ATH_MSG_INFO("Found " << N_quark_tbar_all << " tbar quarks in event record");
  ATH_MSG_INFO("Found " << N_quark_t    << " t    -> W X decays");
  ATH_MSG_INFO("Found " << N_quark_tbar << " tbar -> W X decays");
  ATH_MSG_INFO("Num leptons from W decays from tops with lepton pt above " << m_Ptmin/1000.0 << " Gaudi::Units::GeV/c = " << N_pt_above_cut);
 
  int count_tops = 1;
  if(m_fourTopsFilter) count_tops = 2;
  if (N_quark_t_all < count_tops || N_quark_tbar_all < count_tops) {
 
    ATH_MSG_ERROR("No t or tbar quarks were found in a (presumably) ttbar event! Event is rejected.");
    setFilterPassed(false);
    return StatusCode::SUCCESS;
  }
 
    if (N_quark_t < count_tops || N_quark_tbar < count_tops) {
 
    ATH_MSG_ERROR("No t or tbar quarks were found decaying to W in a (presumably) ttbar event! Event is rejected. Event dump follows.");
    int event = 0;
    for (McEventCollection::const_iterator itr = events()->begin(); itr!=events()->end(); ++itr) {
      event++;
      const HepMC::GenEvent* genEvt = (*itr);
      int part=0 ;
      for (const auto&  mcpart: *genEvt) {
        part++;
        int pid = mcpart->pdg_id();
        ATH_MSG_ERROR("In event (from MC collection) " << event << " particle number " << part << " has pdg_id = " << pid);
        // retrieve decay vertex
        auto  decayVtx = mcpart->end_vertex();
        // verify if we got a valid pointer
        if ( !decayVtx ) continue;
          int part_child=0;
          for (const auto&  child_mcpart: *decayVtx) {
            part_child++;
            int child_pid = child_mcpart->pdg_id();
            ATH_MSG_ERROR("          child " << part_child << " with pdg_id = " << child_pid);
          }
      }
    }
    setFilterPassed(false);
    return StatusCode::SUCCESS;
  }
 
  // If NumLeptons is negative (default), accept if Nlep > 0, otherwise only accept an exact match
  if (m_numLeptons < 0) {
    if ( (N_quark_t >= 2 || N_quark_tbar >= 2) && !m_fourTopsFilter) {
      ATH_MSG_WARNING("More than one t -> W X or tbar -> W X decays found. Event is accepted anyway.");
    }
    if ( (N_quark_t > 2 || N_quark_tbar > 2) && m_fourTopsFilter) {
      ATH_MSG_WARNING("More than one t -> W X or tbar -> W X decays found. Event is accepted anyway.");
    }
    setFilterPassed(N_pt_above_cut > 0);
  } else {
    if(m_fourTopsFilter){
      if(m_SSMLFilter) setFilterPassed( (N_pt_above_cut >= m_numLeptons) && (N_pt_above_cut_plus >= 2 || N_pt_above_cut_minus >= 2));
      else setFilterPassed(N_pt_above_cut >= m_numLeptons);}
    else setFilterPassed(N_pt_above_cut == m_numLeptons);
  }
 
  return StatusCode::SUCCESS;
}

◆ filterFinalize()

virtual StatusCode GenFilter::filterFinalize ( )

inlinevirtualinherited

Reimplemented in BoostedHadTopAndTopPair, BSignalFilter, ChargedTracksWeightFilter, DecaysFinalStateFilter, DiBjetFilter, DiLeptonMassFilter, FourLeptonInvMassFilter, HeavyFlavorHadronFilter, HTFilter, LeptonFilter, LeptonPairFilter, M4MuIntervalFilter, MuDstarFilter, MultiBjetFilter, MultiCjetFilter, MultiParticleFilter, ParentChildwStatusFilter, ParticleDecayFilter, QCDTruthJetFilter, QCDTruthMultiJetFilter, TauFilter, TrimuMassRangeFilter, TTbarPlusHeavyFlavorFilter, TTbarWithJpsimumuFilter, VBFHbbEtaSortingFilter, xAODBSignalFilter, xAODChargedTracksWeightFilter, xAODDiLeptonMassFilter, xAODHeavyFlavorHadronFilter, xAODHTFilter, xAODMultiBjetFilter, xAODMultiCjetFilter, xAODTauFilter, xAODTTbarWithJpsimumuFilter, xAODXtoVVDecayFilterExtended, and XtoVVDecayFilterExtended.

Definition at line 47 of file GenFilter.h.

47{ return StatusCode::SUCCESS; }

◆ filterInitialize()

virtual StatusCode GenFilter::filterInitialize ( )

inlinevirtualinherited

Reimplemented in BoostedHadTopAndTopPair, ChargedTracksWeightFilter, DecaysFinalStateFilter, DecayTimeFilter, DiBjetFilter, DiLeptonMassFilter, DiPhotonFilter, DirectPhotonFilter, FourLeptonInvMassFilter, FourLeptonMassFilter, HeavyFlavorHadronFilter, HTFilter, JetFilter, LeptonFilter, LeptonPairFilter, M4MuIntervalFilter, MassRangeFilter, MuDstarFilter, MultiBjetFilter, MultiCjetFilter, MultiParticleFilter, ParentChildFilter, ParentChildwStatusFilter, ParentTwoChildrenFilter, ParticleDecayFilter, ParticleFilter, QCDTruthJetFilter, QCDTruthMultiJetFilter, SameParticleHardScatteringFilter, TauFilter, TrimuMassRangeFilter, TruthJetFilter, TTbarPlusHeavyFlavorFilter, TTbarWithJpsimumuFilter, VBFForwardJetsFilter, VBFHbbEtaSortingFilter, VBFMjjIntervalFilter, xAODBSignalFilter, xAODChargedTracksFilter, xAODChargedTracksWeightFilter, xAODDecaysFinalStateFilter, xAODDecayTimeFilter, xAODDiLeptonMassFilter, xAODDiPhotonFilter, xAODDirectPhotonFilter, xAODElectronFilter, xAODForwardProtonFilter, xAODFourLeptonMassFilter, xAODHeavyFlavorHadronFilter, xAODHTFilter, xAODJetFilter, xAODLeptonFilter, xAODLeptonPairFilter, xAODM4MuIntervalFilter, xAODMETFilter, xAODMuDstarFilter, xAODMultiBjetFilter, xAODMultiCjetFilter, xAODMultiElecMuTauFilter, xAODMultiElectronFilter, xAODMultiLeptonFilter, xAODMultiMuonFilter, xAODMuonFilter, xAODParentChildFilter, xAODParentTwoChildrenFilter, xAODParticleDecayFilter, xAODParticleFilter, xAODPhotonFilter, xAODSameParticleHardScatteringFilter, xAODSplitPhotonFilter, xAODTauFilter, xAODTTbarWithJpsimumuFilter, xAODTTbarWToLeptonFilter, xAODVBFForwardJetsFilter, xAODVBFMjjIntervalFilter, xAODXtoVVDecayFilterExtended, and XtoVVDecayFilterExtended.

Definition at line 45 of file GenFilter.h.

45{ return StatusCode::SUCCESS; }

◆ finalize()

StatusCode GenFilter::finalize ( )

inherited

Definition at line 56 of file GenFilter.cxx.

                               {
  ATH_MSG_INFO("Events passed = " << m_nPass << "  Events failed = " << m_nFail);
  CHECK(filterFinalize());
  return StatusCode::SUCCESS;
}

◆ GeVToMeV()

void GenBase::GeVToMeV ( HepMC::GenEvent * evt )

protectedinherited

Scale event energies/momenta by x 1000.

Todo: Add HepMC units awareness and do it differently when HepMC provides this functionality directly (and reference-based FourVector accessors)

Definition at line 58 of file GenBase.cxx.

                                         {
  for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
    const HepMC::FourVector fv((*p)->momentum().px() * 1000,
                               (*p)->momentum().py() * 1000,
                               (*p)->momentum().pz() * 1000,
                               (*p)->momentum().e()  * 1000);
    (*p)->set_momentum(fv);
    (*p)->set_generated_mass(1000 * (*p)->generated_mass());
  }
}

◆ initialize()

StatusCode GenFilter::initialize ( )

virtualinherited

Reimplemented from GenBase.

Definition at line 20 of file GenFilter.cxx.

                                 {
  CHECK(GenBase::initialize());
  m_nPass = 0;
  m_nFail = 0;
  CHECK(filterInitialize());
  return StatusCode::SUCCESS;
}

◆ inputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::inputHandles ( ) const

overridevirtualinherited

Return this algorithm's input handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ MeVToGeV()

void GenBase::MeVToGeV ( HepMC::GenEvent * evt )

protectedinherited

Scale event energies/momenta by x 1/1000.

Definition at line 68 of file GenBase.cxx.

                                         {
  for (HepMC::GenEvent::particle_iterator p = evt->particles_begin(); p != evt->particles_end(); ++p) {
    const HepMC::FourVector fv((*p)->momentum().px() / 1000,
                               (*p)->momentum().py() / 1000,
                               (*p)->momentum().pz() / 1000,
                               (*p)->momentum().e()  / 1000);
    (*p)->set_momentum(fv);
    (*p)->set_generated_mass((*p)->generated_mass() / 1000);
  }
}

◆ mmTocm()

void GenBase::mmTocm ( HepMC::GenEvent * evt )

protectedinherited

Scale event lengths by x 1/10.

Definition at line 87 of file GenBase.cxx.

                                       {
  for (HepMC::GenEvent::vertex_iterator vtx = evt->vertices_begin(); vtx != evt->vertices_end(); ++vtx) {
    const HepMC::FourVector fv((*vtx)->position().x() / 10,
                               (*vtx)->position().y() / 10,
                               (*vtx)->position().z() / 10,
                               (*vtx)->position().t() / 10);
    (*vtx)->set_position(fv);
  }
}

◆ msg()

MsgStream & AthCommonMsg< Algorithm >::msg ( ) const

inlineinherited

Definition at line 24 of file AthCommonMsg.h.

                                {
    return this->msgStream();
  }

◆ msgLvl()

bool AthCommonMsg< Algorithm >::msgLvl ( const MSG::Level lvl ) const

inlineinherited

Definition at line 30 of file AthCommonMsg.h.

                                               {
    return this->msgLevel(lvl);
  }

◆ nFailed()

int GenFilter::nFailed ( ) const

inlineinherited

Definition at line 53 of file GenFilter.h.

53{ return m_nFail; }

◆ nNeeded()

int GenFilter::nNeeded ( ) const

inlineinherited

Definition at line 54 of file GenFilter.h.

54{ return m_nNeeded; }

◆ nPassed()

int GenFilter::nPassed ( ) const

inlineinherited

Definition at line 52 of file GenFilter.h.

52{ return m_nPass; }

◆ outputHandles()

virtual std::vector< Gaudi::DataHandle * > AthCommonDataStore< AthCommonMsg< Algorithm > >::outputHandles ( ) const

overridevirtualinherited

Return this algorithm's output handles.

We override this to include handle instances from key arrays if they have not yet been declared. See comments on updateVHKA.

◆ particleData()

const HepPDT::ParticleData * GenBase::particleData ( int pid ) const

inlineinherited

Access an element in the particle data table.

Definition at line 126 of file GenBase.h.

                                                        {
    return pdt().particle(HepPDT::ParticleID(std::abs(pid)));
  }

◆ particleTable()

const HepPDT::ParticleDataTable & GenBase::particleTable ( ) const

inlineinherited

Get a particle data table.

Definition at line 118 of file GenBase.h.

                                                       {
    return *(m_ppSvc->PDT());
  }

◆ partPropSvc()

const ServiceHandle< IPartPropSvc > GenBase::partPropSvc ( ) const

inlineinherited

Access the particle property service.

Definition at line 113 of file GenBase.h.

                                                        {
    return m_ppSvc;
  }

◆ pdt()

const HepPDT::ParticleDataTable & GenBase::pdt ( ) const

inlineinherited

Shorter alias to get a particle data table.

Definition at line 123 of file GenBase.h.

123{ return particleTable(); }

GenBase::particleTable

const HepPDT::ParticleDataTable & particleTable() const

Get a particle data table.

Definition GenBase.h:118

◆ renounce()

std::enable_if_t< std::is_void_v< std::result_of_t< decltype(&T::renounce)(T)> > &&!std::is_base_of_v< SG::VarHandleKeyArray, T > &&std::is_base_of_v< Gaudi::DataHandle, T >, void > AthCommonDataStore< AthCommonMsg< Algorithm > >::renounce ( T & h )

inlineprotectedinherited

Definition at line 380 of file AthCommonDataStore.h.

  {
    h.renounce();
    PBASE::renounce (h);
  }

◆ renounceArray()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::renounceArray ( SG::VarHandleKeyArray & handlesArray )

inlineprotectedinherited

remove all handles from I/O resolution

Definition at line 364 of file AthCommonDataStore.h.

                                                          {
    handlesArray.renounce();
  }

◆ sysInitialize()

StatusCode AthAlgorithm::sysInitialize ( )

overridevirtualinherited

Override sysInitialize.

Override sysInitialize from the base class.

Loop through all output handles, and if they're WriteCondHandles, automatically register them and this Algorithm with the CondSvc

Scan through all outputHandles, and if they're WriteCondHandles, register them with the CondSvc

Reimplemented from AthCommonDataStore< AthCommonMsg< Algorithm > >.

Reimplemented in AthAnalysisAlgorithm, AthFilterAlgorithm, AthHistogramAlgorithm, and PyAthena::Alg.

Definition at line 66 of file AthAlgorithm.cxx.

                                       {
  StatusCode sc=AthCommonDataStore<AthCommonMsg<Algorithm>>::sysInitialize();
 
  if (sc.isFailure()) {
    return sc;
  }
  ServiceHandle<ICondSvc> cs("CondSvc",name());
  for (auto h : outputHandles()) {
    if (h->isCondition() && h->mode() == Gaudi::DataHandle::Writer) {
      // do this inside the loop so we don't create the CondSvc until needed
      if ( cs.retrieve().isFailure() ) {
        ATH_MSG_WARNING("no CondSvc found: won't autoreg WriteCondHandles");
        return StatusCode::SUCCESS;
      }
      if (cs->regHandle(this,*h).isFailure()) {
        sc = StatusCode::FAILURE;
        ATH_MSG_ERROR("unable to register WriteCondHandle " << h->fullKey()
                      << " with CondSvc");
      }
    }
  }
  return sc;
}

◆ sysStart()

virtual StatusCode AthCommonDataStore< AthCommonMsg< Algorithm > >::sysStart ( )

overridevirtualinherited

Handle START transition.

We override this in order to make sure that conditions handle keys can cache a pointer to the conditions container.

◆ updateVHKA()

void AthCommonDataStore< AthCommonMsg< Algorithm > >::updateVHKA ( Gaudi::Details::PropertyBase & )

inlineinherited

Definition at line 308 of file AthCommonDataStore.h.

                                               {
    // debug() << "updateVHKA for property " << p.name() << " " << p.toString() 
    //         << "  size: " << m_vhka.size() << endmsg;
    for (auto &a : m_vhka) {
      std::vector<SG::VarHandleKey*> keys = a->keys();
      for (auto k : keys) {
        k->setOwner(this);
      }
    }
  }

Member Data Documentation

◆ m_detStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_detStore

privateinherited

Pointer to StoreGate (detector store by default)

Definition at line 393 of file AthCommonDataStore.h.

◆ m_evtStore

StoreGateSvc_t AthCommonDataStore< AthCommonMsg< Algorithm > >::m_evtStore

privateinherited

Pointer to StoreGate (event store by default)

Definition at line 390 of file AthCommonDataStore.h.

◆ m_extendedExtraObjects

DataObjIDColl AthAlgorithm::m_extendedExtraObjects

privateinherited

Definition at line 79 of file AthAlgorithm.h.

◆ m_fourTopsFilter

bool TTbarWToLeptonFilter::m_fourTopsFilter

private

Definition at line 26 of file TTbarWToLeptonFilter.h.

◆ m_mcEventKey

std::string GenBase::m_mcEventKey {}

protectedinherited

StoreGate key for the MC event collection (defaults to GEN_EVENT)

Definition at line 137 of file GenBase.h.

137{};

◆ m_mcevents_const

SG::ReadHandleKey<McEventCollection> GenBase::m_mcevents_const { this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" }

privateinherited

Const handle to the MC event collection.

Definition at line 163 of file GenBase.h.

163{ this, "McEventKey", "GEN_EVENT", "StoreGate key of the MC event collection" };

◆ m_mkMcEvent

BooleanProperty GenBase::m_mkMcEvent {this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"}

protectedinherited

Flag to determine if a new MC event collection should be made if it doesn't exist.

Definition at line 139 of file GenBase.h.

139{this, "MakeMcEvent", false, "Create a new MC event collection if it doesn't exist"};

◆ m_nFail

int GenFilter::m_nFail

protectedinherited

Definition at line 66 of file GenFilter.h.

◆ m_nNeeded

int GenFilter::m_nNeeded

protectedinherited

Definition at line 67 of file GenFilter.h.

◆ m_nPass

int GenFilter::m_nPass

protectedinherited

Definition at line 65 of file GenFilter.h.

◆ m_numLeptons

int TTbarWToLeptonFilter::m_numLeptons

private

Definition at line 25 of file TTbarWToLeptonFilter.h.

◆ m_ppSvc

ServiceHandle<IPartPropSvc> GenBase::m_ppSvc {this, "PartPropSvc", "PartPropSvc"}

privateinherited

Handle on the particle property service.

Definition at line 160 of file GenBase.h.

160{this, "PartPropSvc", "PartPropSvc"};

◆ m_Ptmin

double TTbarWToLeptonFilter::m_Ptmin

private

Definition at line 24 of file TTbarWToLeptonFilter.h.

◆ m_SSMLFilter

bool TTbarWToLeptonFilter::m_SSMLFilter

private

Definition at line 27 of file TTbarWToLeptonFilter.h.

◆ m_varHandleArraysDeclared

bool AthCommonDataStore< AthCommonMsg< Algorithm > >::m_varHandleArraysDeclared

privateinherited

Definition at line 399 of file AthCommonDataStore.h.

◆ m_vhka

std::vector<SG::VarHandleKeyArray*> AthCommonDataStore< AthCommonMsg< Algorithm > >::m_vhka

privateinherited

Definition at line 398 of file AthCommonDataStore.h.

◆ Ptcut

TTbarWToLeptonFilter.Ptcut

Add this filter to the algs required to be successful for streaming if "TTbarWToLeptonFilter" not in StreamEVGEN.RequireAlgs: StreamEVGEN.RequireAlgs += ["TTbarWToLeptonFilter"].

Default cut params

Definition at line 15 of file TTbarWToLeptonFilter.py.

The documentation for this class was generated from the following files:

Public Member Functions

Public Attributes

Protected Member Functions

Protected Attributes

Private Types

Private Member Functions

Private Attributes

Utility event-mangling functions

Detailed Description

Member Typedef Documentation

◆ StoreGateSvc_t

Constructor & Destructor Documentation

◆ TTbarWToLeptonFilter()

Member Function Documentation

◆ ATLAS_NOT_CONST_THREAD_SAFE() [1/2]

◆ ATLAS_NOT_CONST_THREAD_SAFE() [2/2]

◆ cmTomm()

◆ declareGaudiProperty()

◆ declareProperty()

◆ detStore()

◆ event_const()

◆ events_const() [1/2]

◆ events_const() [2/2]

◆ evtStore()

◆ execute()

◆ extraDeps_update_handler()

◆ extraOutputDeps()

◆ filterEvent()

◆ filterFinalize()

◆ filterInitialize()

◆ finalize()

◆ GeVToMeV()

◆ initialize()

◆ inputHandles()

◆ MeVToGeV()

◆ mmTocm()

◆ msg()

◆ msgLvl()

◆ nFailed()

◆ nNeeded()

◆ nPassed()

◆ outputHandles()

◆ particleData()

◆ particleTable()

◆ partPropSvc()

◆ pdt()

◆ renounce()

◆ renounceArray()

◆ sysInitialize()

◆ sysStart()

◆ updateVHKA()

Member Data Documentation

◆ m_detStore

◆ m_evtStore

◆ m_extendedExtraObjects

◆ m_fourTopsFilter

◆ m_mcEventKey

◆ m_mcevents_const

◆ m_mkMcEvent

◆ m_nFail

◆ m_nNeeded

◆ m_nPass

◆ m_numLeptons

◆ m_ppSvc

◆ m_Ptmin

◆ m_SSMLFilter

◆ m_varHandleArraysDeclared

◆ m_vhka

◆ Ptcut