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Get the incoming and outgoing leptons in a DIS event. More...

#include <DISLepton.hh>

Inheritance diagram for DISLepton:
Collaboration diagram for DISLepton:

List of all members.

Public Member Functions

const Particlein () const
 The incoming lepton.
const Particleout () const
 The outgoing lepton.
const double & pzSign () const
bool before (const Projection &p) const
virtual const std::set< PdgIdPairbeamPairs () const
virtual std::string name () const
 Get the name of the projection.
ProjectionaddPdgIdPair (PdgId beam1, PdgId beam2)
 Add a colliding beam pair.
LoggetLog () const
 Get a Log object based on the getName() property of the calling projection object.
void setName (const std::string &name)
 Used by derived classes to set their name.
Constructors.
 DISLepton ()
virtual const Projectionclone () const
 Clone on the heap.
Projection "getting" functions
std::set< ConstProjectionPtrgetProjections () const
 Get the contained projections, including recursion.
template<typename PROJ >
const PROJ & getProjection (const std::string &name) const
 Get the named projection, specifying return type via a template argument.
const ProjectiongetProjection (const std::string &name) const
Projection applying functions
template<typename PROJ >
const PROJ & applyProjection (const Event &evt, const PROJ &proj) const
 Apply the supplied projection on event.
template<typename PROJ >
const PROJ & applyProjection (const Event &evt, const Projection &proj) const
 Apply the supplied projection on event.
template<typename PROJ >
const PROJ & applyProjection (const Event &evt, const std::string &name) const
 Apply the named projection on event.

Protected Member Functions

virtual void project (const Event &e)
 Perform the projection operation on the supplied event.
virtual int compare (const Projection &p) const
 Compare with other projections.
Cmp< ProjectionmkNamedPCmp (const Projection &otherparent, const std::string &pname) const
Cmp< ProjectionmkPCmp (const Projection &otherparent, const std::string &pname) const
ProjectionHandlergetProjHandler () const
 Get a reference to the ProjectionHandler for this thread.
Projection registration functions
template<typename PROJ >
const PROJ & addProjection (const PROJ &proj, const std::string &name)
const Projection_addProjection (const Projection &proj, const std::string &name)
 Untemplated function to do the work...

Protected Attributes

bool _allowProjReg
 Flag to forbid projection registration in analyses until the init phase.

Private Attributes

Particle _incoming
 The incoming lepton.
Particle _outgoing
 The outgoing lepton.
double _sign
 The sign of the PZ of the incoming lepton.

Friends

class Event
 Event is a friend.
class Cmp< Projection >
 The Cmp specialization for Projection is a friend.

Detailed Description

Get the incoming and outgoing leptons in a DIS event.

Definition at line 14 of file DISLepton.hh.


Constructor & Destructor Documentation

DISLepton ( ) [inline]

Definition at line 21 of file DISLepton.hh.

References ProjectionApplier::addProjection(), and Projection::setName().

Referenced by DISLepton::clone().

               {
      setName("DISLepton");
      addProjection(Beam(), "Beam");
      addProjection(FinalState(), "FS");
    }

Member Function Documentation

const Projection & _addProjection ( const Projection proj,
const std::string &  name 
) [protected, inherited]

Untemplated function to do the work...

Definition at line 33 of file ProjectionApplier.cc.

References ProjectionApplier::_allowProjReg, ProjectionApplier::getProjHandler(), ProjectionApplier::name(), Projection::name(), and ProjectionHandler::registerProjection().

Referenced by ProjectionApplier::addProjection().

                                                                             {
    if (!_allowProjReg) {
      cerr << "Trying to register projection '"
           << proj.name() << "' before init phase in '" << this->name() << "'." << endl;
      exit(2);
    }
    const Projection& reg = getProjHandler().registerProjection(*this, proj, name);
    return reg;
  }
Projection& addPdgIdPair ( PdgId  beam1,
PdgId  beam2 
) [inline, inherited]

Add a colliding beam pair.

Definition at line 107 of file Projection.hh.

References Projection::_beamPairs.

Referenced by Projection::Projection().

                                                       {
      _beamPairs.insert(PdgIdPair(beam1, beam2));
      return *this;
    }
const PROJ& addProjection ( const PROJ &  proj,
const std::string &  name 
) [inline, protected, inherited]

Register a contained projection. The type of the argument is used to instantiate a new projection internally: this new object is applied to events rather than the argument object. Hence you are advised to only use locally-scoped Projection objects in your Projection and Analysis constructors, and to avoid polymorphism (e.g. handling ConcreteProjection via a pointer or reference to type Projection) since this will screw up the internal type management.

Definition at line 116 of file ProjectionApplier.hh.

References ProjectionApplier::_addProjection().

Referenced by FastJets::_init1(), FastJets::_init2(), FastJets::_init3(), VetoedFinalState::addVetoOnThisFinalState(), BeamThrust::BeamThrust(), CDF_2009_S8057893::CDF_2009_S8057893::init(), CentralEtHCM::CentralEtHCM(), ChargedFinalState::ChargedFinalState(), ChargedLeptons::ChargedLeptons(), DISFinalState::DISFinalState(), DISKinematics::DISKinematics(), DISLepton::DISLepton(), DressedLeptons::DressedLeptons(), FinalState::FinalState(), FoxWolframMoments::FoxWolframMoments(), FParameter::FParameter(), HadronicFinalState::HadronicFinalState(), HeavyHadrons::HeavyHadrons(), Hemispheres::Hemispheres(), IdentifiedFinalState::IdentifiedFinalState(), CMS_2010_S8547297::init(), CMS_2010_S8656010::init(), ATLAS_2010_S8894728::init(), ALICE_2012_I1181770::init(), ATLAS_2011_S8994773::init(), CMS_2011_S8950903::init(), CMS_2012_PAS_QCD_11_010::init(), CMS_2011_S8941262::init(), CMS_2011_S8973270::init(), CMS_2012_I1090423::init(), ATLAS_2010_CONF_2010_049::init(), CMS_2011_S8968497::init(), CMS_2012_I1193338::init(), CMS_2012_I1184941::init(), CMSTOTEM_2014_I1294140::init(), ATLAS_2014_I1298811::init(), ATLAS_2011_I894867::init(), ALICE_2011_S8909580::init(), LHCB_2013_I1208105::init(), CDF_2007_S7057202::init(), CMS_2011_S9086218::init(), TOTEM_2012_I1115294::init(), CMS_2011_S9215166::init(), CMS_2012_I1087342::init(), ATLAS_2014_I1282441::init(), ALICE_2011_S8945144::init(), ATLAS_2012_I1091481::init(), MC_MUONS::init(), MC_TAUS::init(), ATLAS_2010_S8591806::init(), ATLAS_2011_S9002537::init(), CMS_2011_I954992::init(), CMS_2011_S8957746::init(), CMS_2011_S8978280::init(), TOTEM_2012_002::init(), CMS_2011_S9088458::init(), CMS_2013_I1265659::init(), D0_2011_I895662::init(), ATLAS_2011_I930220::init(), LHCF_2012_I1115479::init(), MC_ELECTRONS::init(), MC_JETTAGS::init(), CDF_2012_NOTE10874::init(), CMS_2013_I1273574::init(), D0_2010_S8570965::init(), ATLAS_2011_I925932::init(), ATLAS_2012_I1124167::init(), STAR_2006_S6500200::init(), STAR_2008_S7993412::init(), CMS_2013_I1256943::init(), CMS_QCD_10_024::init(), UA5_1987_S1640666::init(), CDF_1997_S3541940::init(), MC_HINC::init(), MC_JETS::init(), MC_KTSPLITTINGS::init(), CDF_2005_S6080774::init(), CDF_2006_S6450792::init(), SFM_1984_S1178091::init(), ARGUS_1993_S2789213::init(), ATLAS_2011_S9128077::init(), CMS_2013_I1261026::init(), CMS_2013_I1258128::init(), CMS_2014_I1298810::init(), D0_2000_S4480767::init(), BABAR_2007_S7266081::init(), BELLE_2008_I786560::init(), CDF_1993_S2742446::init(), CDF_2000_S4155203::init(), MC_WWINC::init(), CDF_2008_S7782535::init(), MC_ZJETS::init(), CDF_2008_S8093652::init(), MC_ZZINC::init(), STAR_2006_S6870392::init(), UA5_1982_S875503::init(), UA5_1989_S1926373::init(), ATLAS_2013_I1190187::init(), CMS_2013_I1209721::init(), D0_2008_S6879055::init(), ATLAS_2012_I1204447::init(), ARGUS_1993_S2669951::init(), LHCB_2012_I1208102::init(), ATLAS_2011_I944826::init(), MC_ZINC::init(), ALEPH_1991_S2435284::init(), MC_WINC::init(), MC_WJETS::init(), 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D0_2007_S7075677::init(), D0_2009_S8202443::init(), D0_2010_S8821313::init(), ALEPH_2002_S4823664::init(), ATLAS_2011_I945498::init(), MC_PHOTONKTSPLITTINGS::init(), MC_PHOTONJETS::init(), MC_WWJETS::init(), CMS_2012_I1107658::init(), D0_2008_S7554427::init(), D0_2008_S7863608::init(), D0_2010_S8671338::init(), MC_IDENTIFIED::init(), H1_1995_S3167097::init(), CDF_1994_S2952106::init(), ATLAS_2011_I954993::init(), CDF_2008_S7540469::init(), D0_2001_S4674421::init(), ATLAS_2014_I1300647::init(), D0_2008_S7837160::init(), ATLAS_2011_S9131140::init(), ATLAS_2011_S9212353::init(), ATLAS_2014_I1306615::init(), UA1_1990_S2044935::init(), ATLAS_2014_I1307756::init(), ZEUS_2001_S4815815::init(), ATLAS_2012_CONF_2012_104::init(), LHCB_2011_I919315::init(), ATLAS_2012_CONF_2012_105::init(), ATLAS_2012_I1119557::init(), MC_GENERIC::init(), MC_LEADJETUE::init(), MC_TTBAR::init(), CDF_2008_S7828950::init(), ATLAS_2012_I1180197::init(), MC_PHOTONJETUE::init(), ATLAS_2012_I1188891::init(), ATLAS_2013_I1217863_Z::init(), STAR_2009_UE_HELEN::init(), OPAL_1997_S3396100::init(), CDF_2008_S8095620::init(), STAR_2006_S6860818::init(), ATLAS_2011_CONF_2011_098::init(), JADE_1998_S3612880::init(), ATLAS_2011_S8983313::init(), CMS_2012_I941555::init(), ATLAS_2012_I1095236::init(), JADE_OPAL_2000_S4300807::init(), D0_1996_S3214044::init(), ATLAS_2012_CONF_2012_103::init(), CDF_1996_S3108457::init(), EXAMPLE::init(), ATLAS_2012_I1126136::init(), ATLAS_2011_I926145::init(), ALICE_2010_S8624100::init(), MC_QCD_PARTONS::init(), ATLAS_2012_CONF_2012_109::init(), ATLAS_2012_I1186556::init(), ATLAS_2013_I1217863_W::init(), CMS_2014_I1303894::init(), DELPHI_1995_S3137023::init(), ALEPH_2004_S5765862::init(), ALICE_2010_S8706239::init(), MC_HFJETS::init(), ATLAS_2014_I1288706::init(), ATLAS_2012_I1112263::init(), ATLAS_2011_S9212183::init(), ATLAS_2012_I1190891::init(), ATLAS_2012_CONF_2012_001::init(), CMS_2013_I1218372::init(), ATLAS_2012_I1125575::init(), ATLAS_2012_I1125961::init(), 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ALEPH_1999_S4193598::init(), ATLAS_2012_I1093738::init(), OPAL_2004_S6132243::init(), OPAL_1994_S2927284::init(), BELLE_2013_I1216515::init(), STAR_2008_S7869363::init(), BABAR_2007_S6895344::init(), ATLAS_2011_S9126244::init(), MC_VH2BB::init(), BELLE_2001_S4598261::init(), BABAR_2005_S6181155::init(), ATLAS_2011_I919017::init(), OPAL_2001_S4553896::init(), BABAR_2013_I1238276::init(), DELPHI_2003_WUD_03_11::init(), ATLAS_2012_I1203852::init(), CDF_2004_S5839831::init(), BABAR_2003_I593379::init(), ATLAS_2012_I1094061::init(), ARGUS_1993_S2653028::init(), CLEO_2004_S5809304::init(), OPAL_1998_S3780481::init(), ATLAS_2012_I1093734::init(), OPAL_1993_S2692198::init(), ATLAS_2014_I1279489::init(), ATLAS_2012_I1094564::init(), H1_1994_S2919893::init(), H1_2000_S4129130::init(), SLD_2004_S5693039::init(), SLD_1999_S3743934::init(), PDG_HADRON_MULTIPLICITIES::init(), PDG_HADRON_MULTIPLICITIES_RATIOS::init(), JetAlg::JetAlg(), JetShape::JetShape(), LeadingParticlesFinalState::LeadingParticlesFinalState(), LossyFinalState< ConstRandomFilter >::LossyFinalState(), MergedFinalState::MergedFinalState(), MissingMomentum::MissingMomentum(), NeutralFinalState::NeutralFinalState(), NonHadronicFinalState::NonHadronicFinalState(), ParisiTensor::ParisiTensor(), PrimaryHadrons::PrimaryHadrons(), PromptFinalState::PromptFinalState(), Sphericity::Sphericity(), Spherocity::Spherocity(), TauFinder::TauFinder(), Thrust::Thrust(), TriggerCDFRun0Run1::TriggerCDFRun0Run1(), TriggerCDFRun2::TriggerCDFRun2(), TriggerUA5::TriggerUA5(), VetoedFinalState::VetoedFinalState(), VisibleFinalState::VisibleFinalState(), WFinder::WFinder(), and ZFinder::ZFinder().

                                                                       {
      const Projection& reg = _addProjection(proj, name);
      const PROJ& rtn = dynamic_cast<const PROJ&>(reg);
      return rtn;
    }
const PROJ& applyProjection ( const Event evt,
const PROJ &  proj 
) const [inline, inherited]

Apply the supplied projection on event.

Definition at line 70 of file ProjectionApplier.hh.

References ProjectionApplier::_applyProjection().

Referenced by DISFinalState::project().

                                                                          {
      return pcast<PROJ>(_applyProjection(evt, proj));
    }
const PROJ& applyProjection ( const Event evt,
const Projection proj 
) const [inline, inherited]

Apply the supplied projection on event.

Definition at line 77 of file ProjectionApplier.hh.

References ProjectionApplier::_applyProjection().

                                                                                {
      return pcast<PROJ>(_applyProjection(evt, proj));
    }
const PROJ& applyProjection ( const Event evt,
const std::string &  name 
) const [inline, inherited]

Apply the named projection on event.

Definition at line 84 of file ProjectionApplier.hh.

References ProjectionApplier::_applyProjection().

                                                                               {
      return pcast<PROJ>(_applyProjection(evt, name));
    }
const set< PdgIdPair > beamPairs ( ) const [virtual, inherited]

Return the allowed beam pairs on which this projection can operate, not including recursion. Derived classes should ensure that all contained projections are registered in the _projections set for the beam constraint chaining to work.

Todo:
Remove the beam constraints system from projections.

Definition at line 33 of file Projection.cc.

References Projection::_beamPairs, Projection::beamPairs(), Projection::getLog(), ProjectionApplier::getProjections(), Rivet::intersection(), and Log::TRACE.

Referenced by Projection::beamPairs().

                                                   {
    set<PdgIdPair> ret = _beamPairs;
    set<ConstProjectionPtr> projs = getProjections();
    for (set<ConstProjectionPtr>::const_iterator ip = projs.begin(); ip != projs.end(); ++ip) {
      ConstProjectionPtr p = *ip;
      getLog() << Log::TRACE << "Proj addr = " << p << endl;
      if (p) ret = intersection(ret, p->beamPairs());
    }
    return ret;
  }
bool before ( const Projection p) const [inherited]

Determine whether this object should be ordered before the object p given as argument. If p is of a different class than this, the before() function of the corresponding type_info objects is used. Otherwise, if the objects are of the same class, the virtual compare(const Projection &) will be returned.

Definition at line 22 of file Projection.cc.

References Projection::compare().

Referenced by less< const Rivet::Projection * >::operator()().

                                                   {
    const std::type_info& thisid = typeid(*this);
    const std::type_info& otherid = typeid(p);
    if (thisid == otherid) {
      return compare(p) < 0;
    } else {
      return thisid.before(otherid);
    }
  }
virtual const Projection* clone ( ) const [inline, virtual]

Clone on the heap.

Implements Projection.

Definition at line 28 of file DISLepton.hh.

References DISLepton::DISLepton().

                                            {
      return new DISLepton(*this);
    }
int compare ( const Projection p) const [protected, virtual]

Compare with other projections.

Implements Projection.

Definition at line 7 of file DISLepton.cc.

References Projection::mkNamedPCmp().

                                                  {
    const DISLepton& other = pcast<DISLepton>(p);
    return mkNamedPCmp(other, "Beam") || mkNamedPCmp(other, "FS");
  }
Log& getLog ( ) const [inline, inherited]

Get a Log object based on the getName() property of the calling projection object.

Reimplemented from ProjectionApplier.

Definition at line 114 of file Projection.hh.

References Projection::name().

Referenced by Projection::beamPairs(), InvMassFinalState::calc(), ChargedFinalState::project(), InitialQuarks::project(), PromptFinalState::project(), LossyFinalState< ConstRandomFilter >::project(), UnstableFinalState::project(), and VetoedFinalState::project().

                        {
      string logname = "Rivet.Projection." + name();
      return Log::getLog(logname);
    }
const PROJ& getProjection ( const std::string &  name) const [inline, inherited]

Get the named projection, specifying return type via a template argument.

Definition at line 52 of file ProjectionApplier.hh.

References ProjectionHandler::getProjection(), and ProjectionApplier::getProjHandler().

Referenced by ProjectionApplier::_applyProjection(), Rivet::pcmp(), and Hemispheres::project().

                                                           {
      const Projection& p = getProjHandler().getProjection(*this, name);
      return pcast<PROJ>(p);
    }
const Projection& getProjection ( const std::string &  name) const [inline, inherited]

Get the named projection (non-templated, so returns as a reference to a Projection base class).

Definition at line 60 of file ProjectionApplier.hh.

References ProjectionHandler::getProjection(), and ProjectionApplier::getProjHandler().

                                                                 {
      return getProjHandler().getProjection(*this, name);
    }
std::set<ConstProjectionPtr> getProjections ( ) const [inline, inherited]

Get the contained projections, including recursion.

Definition at line 45 of file ProjectionApplier.hh.

References ProjectionHandler::DEEP, ProjectionHandler::getChildProjections(), and ProjectionApplier::getProjHandler().

Referenced by Projection::beamPairs().

const Particle& in ( ) const [inline]

The incoming lepton.

Definition at line 45 of file DISLepton.hh.

References DISLepton::_incoming.

Referenced by DISKinematics::project().

{ return _incoming; }
Cmp< Projection > mkPCmp ( const Projection otherparent,
const std::string &  pname 
) const [protected, inherited]

Shortcut to make a named Cmp<Projection> comparison with the *this object automatically passed as one of the parent projections.

Definition at line 51 of file Projection.cc.

References Rivet::pcmp().

                                                                {
    return pcmp(*this, otherparent, pname);
  }
const Particle& out ( ) const [inline]

The outgoing lepton.

Definition at line 48 of file DISLepton.hh.

References DISLepton::_outgoing.

Referenced by DISKinematics::project(), and DISFinalState::project().

{ return _outgoing; }
void project ( const Event e) [protected, virtual]

Perform the projection operation on the supplied event.

Implements Projection.

Definition at line 13 of file DISLepton.cc.

References DISLepton::_incoming, DISLepton::_outgoing, DISLepton::_sign, Rivet::beams(), Particle::genParticle(), Rivet::PID::isLepton(), Particle::momentum(), ParticleFinder::particles(), Particle::pid(), and FourMomentum::pz().

                                        {
    const ParticlePair& inc = applyProjection<Beam>(e, "Beam").beams();

    Particle inLepton;

    bool firstIsLepton = PID::isLepton(inc.first.pid());
    bool secondIsLepton = PID::isLepton(inc.second.pid());

    if (firstIsLepton && !secondIsLepton) {
      _incoming = inc.first;
    } else if (!firstIsLepton && secondIsLepton) {
      _incoming = inc.second;
    } else {
      //eek!
      throw Error("DISLepton projector could not find the correct beam.");
    }

    _sign = (_incoming.momentum().pz() > 0.0)? 1.0: -1.0;
    long id = _incoming.pid();

    double pzMax = -1000000000.0;

    const FinalState& fs = applyProjection<FinalState>(e, "FS");
    foreach (const Particle& p, fs.particles()) {
      double pz = _sign * p.momentum().pz();
      if (p.pid() == id && pz > pzMax) {
        _outgoing = p;
        pzMax = pz;
      }
    }

    if (_outgoing.genParticle() == NULL) {
      throw Error("DISLepton projector could not find the scattered lepton.");
    }
  }
const double& pzSign ( ) const [inline]

Definition at line 50 of file DISLepton.hh.

References DISLepton::_sign.

{ return _sign; }
void setName ( const std::string &  name) [inline, inherited]

Used by derived classes to set their name.

Definition at line 120 of file Projection.hh.

References Projection::_name, and Projection::name().

Referenced by FastJets::_init1(), FastJets::_init2(), FastJets::_init3(), Beam::Beam(), BeamThrust::BeamThrust(), CentralEtHCM::CentralEtHCM(), ChargedFinalState::ChargedFinalState(), ChargedLeptons::ChargedLeptons(), ConstLossyFinalState::ConstLossyFinalState(), DISFinalState::DISFinalState(), DISKinematics::DISKinematics(), DISLepton::DISLepton(), DressedLeptons::DressedLeptons(), FinalState::FinalState(), FoxWolframMoments::FoxWolframMoments(), FParameter::FParameter(), HadronicFinalState::HadronicFinalState(), HeavyHadrons::HeavyHadrons(), Hemispheres::Hemispheres(), IdentifiedFinalState::IdentifiedFinalState(), InitialQuarks::InitialQuarks(), JetAlg::JetAlg(), JetShape::JetShape(), LeadingParticlesFinalState::LeadingParticlesFinalState(), LossyFinalState< ConstRandomFilter >::LossyFinalState(), MergedFinalState::MergedFinalState(), MissingMomentum::MissingMomentum(), NeutralFinalState::NeutralFinalState(), NonHadronicFinalState::NonHadronicFinalState(), ParisiTensor::ParisiTensor(), PrimaryHadrons::PrimaryHadrons(), PromptFinalState::PromptFinalState(), Sphericity::Sphericity(), Spherocity::Spherocity(), TauFinder::TauFinder(), Thrust::Thrust(), TriggerCDFRun0Run1::TriggerCDFRun0Run1(), TriggerCDFRun2::TriggerCDFRun2(), TriggerUA5::TriggerUA5(), UnstableFinalState::UnstableFinalState(), VetoedFinalState::VetoedFinalState(), VisibleFinalState::VisibleFinalState(), WFinder::WFinder(), and ZFinder::ZFinder().

                                        {
      _name = name;
    }

Friends And Related Function Documentation

friend class Cmp< Projection > [friend, inherited]

The Cmp specialization for Projection is a friend.

Definition at line 35 of file Projection.hh.

friend class Event [friend, inherited]

Event is a friend.

Definition at line 32 of file Projection.hh.


Member Data Documentation

bool _allowProjReg [protected, inherited]

Flag to forbid projection registration in analyses until the init phase.

Definition at line 143 of file ProjectionApplier.hh.

Referenced by ProjectionApplier::_addProjection(), and Analysis::Analysis().

Particle _incoming [private]

The incoming lepton.

Definition at line 55 of file DISLepton.hh.

Referenced by DISLepton::in(), and DISLepton::project().

Particle _outgoing [private]

The outgoing lepton.

Definition at line 58 of file DISLepton.hh.

Referenced by DISLepton::out(), and DISLepton::project().

double _sign [private]

The sign of the PZ of the incoming lepton.

Definition at line 61 of file DISLepton.hh.

Referenced by DISLepton::project(), and DISLepton::pzSign().


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