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Herwig 7.3.0
Herwig::PowhegShowerHandler Class Reference
Inheritance diagram for Herwig::PowhegShowerHandler:

Public Member Functions

 PowhegShowerHandler ()
 The default constructor.
 
Ptr< MatchboxFactory >::tptr Factory () const
 
virtual bool canHandleMatchboxTrunc () const
 Return true, if the shower handler can generate a truncated shower for POWHEG style events generated using Matchbox.
 
- Public Member Functions inherited from Herwig::QTildeShowerHandler
 QTildeShowerHandler ()
 The default constructor.
 
void fillEventRecord ()
 At the end of the Showering, transform ShowerParticle objects into ThePEG particles and fill the event record with them.
 
virtual Energy hardScale () const
 Return the relevant hard scale to be used in the profile scales.
 
virtual bool showerHardProcessVeto () const
 Hook to allow vetoing of event after showering hard sub-process as in e.g.
 
virtual HardTreePtr generateCKKW (ShowerTreePtr tree) const
 Generate hard emissions for CKKW etc.
 
virtual void showerHardProcess (ShowerTreePtr, XCPtr)
 Members to perform the shower.
 
virtual void showerDecay (ShowerTreePtr)
 Perform the shower of a decay.
 
tSplittingGeneratorPtr splittingGenerator () const
 Access to the flags and shower variables.
 
int hardEmission () const
 Mode for hard emissions.
 
virtual void connectTrees (ShowerTreePtr showerTree, HardTreePtr hardTree, bool hard)
 Connect the Hard and Shower trees.
 
unsigned int softCorrelations () const
 Access to switches for spin correlations.
 
virtual bool correlations () const
 Any correlations.
 
tKinematicsReconstructorPtr kinematicsReconstructor () const
 Access methods to access the objects.
 
tPartnerFinderPtr partnerFinder () const
 Access to the PartnerFinder object.
 
void persistentOutput (PersistentOStream &os) const
 Function used to write out object persistently.
 
void persistentInput (PersistentIStream &is, int version)
 Function used to read in object persistently.
 
- Public Member Functions inherited from Herwig::ShowerHandler
 ShowerHandler ()
 Default constructor.
 
virtual ~ShowerHandler ()
 Destructor.
 
virtual void cascade ()
 The main method which manages the multiple interactions and starts the shower by calling cascade(sub, lastXC).
 
virtual bool showerHardProcessVeto () const
 Hook to allow vetoing of event after showering hard sub-process as in e.g.
 
virtual bool isReshuffling () const
 Return true, if this cascade handler will perform reshuffling from hard process masses.
 
virtual bool retConstituentMasses () const
 Return true, if this cascade handler will put the final state particles to their constituent mass.
 
virtual bool canHandleMatchboxTrunc () const
 Return true, if the shower handler can generate a truncated shower for POWHEG style events generated using Matchbox.
 
Energy pdfFreezingScale () const
 Get the PDF freezing scale.
 
PDFPtr getPDFA () const
 Get the local PDFs.
 
PDFPtr getPDFB () const
 Get the local PDFs.
 
bool firstInteraction () const
 Return true if currently the primary subprocess is showered.
 
tHwRemDecPtr remnantDecayer () const
 Return the remnant decayer.
 
void splitHardProcess (tPVector tagged, PerturbativeProcessPtr &hard, DecayProcessMap &decay) const
 Split the hard process into production and decays.
 
bool doesSplitHardProcess () const
 Information if the Showerhandler splits the hard process.
 
tDMPtr decay (PerturbativeProcessPtr, DecayProcessMap &decay, bool radPhotons=false) const
 Decay a particle.
 
tDMPtr findDecayMode (const string &tag) const
 Cached lookup of decay modes.
 
bool doRadiation () const
 Switch for any radiation.
 
bool doFSR () const
 Switch on or off final state radiation.
 
bool doISR () const
 Switch on or off initial state radiation.
 
bool hardScaleIsMuF () const
 Return true if maximum pt should be deduced from the factorization scale.
 
double factorizationScaleFactor () const
 The factorization scale factor.
 
double renFac () const
 The renormalization scale factor.
 
double facFac () const
 The factorization scale factor.
 
double renormalizationScaleFactor () const
 The renormalization scale factor.
 
double hardScaleFactor () const
 The scale factor for the hard scale.
 
bool restrictPhasespace () const
 Return true, if the phase space restrictions of the dipole shower should be applied.
 
Ptr< HardScaleProfile >::tptr profileScales () const
 Return profile scales.
 
virtual int showerPhaseSpaceOption () const
 Return information about shower phase space choices.
 
map< string, ShowerVariation > & showerVariations ()
 Access the shower variations.
 
const map< string, ShowerVariation > & showerVariations () const
 Return the shower variations.
 
map< string, double > & currentWeights ()
 Access the current Weights.
 
const map< string, double > & currentWeights () const
 Return the current Weights.
 
void reweight (double w)
 Change the current reweighting factor.
 
double reweight () const
 Return the current reweighting factor.
 
unsigned int spinCorrelations () const
 Access to switches for spin correlations.
 
void persistentOutput (PersistentOStream &os) const
 Function used to write out object persistently.
 
void persistentInput (PersistentIStream &is, int version)
 Function used to read in object persistently.
 
bool decaysInShower (long id) const
 Check if a particle decays in the shower.
 
- Public Member Functions inherited from ThePEG::CascadeHandler
virtual void handle (EventHandler &eh, const tPVector &tagged, const Hint &hint)
 
virtual void cascade ()=0
 
virtual double reweightCKKW (int minMult, int maxMult)
 
const tPVectortagged () const
 
const Hinthint () const
 
const PDFfirstPDF () const
 
const PDFsecondPDF () const
 
const pair< PDF, PDF > & pdfs () const
 
void resetPDFs (const pair< tcPDFPtr, tcPDFPtr > &pdfpair)
 
void resetPDFs (const pair< tcPDFPtr, tcPDFPtr > &pdfpair, PBPair ppair)
 
void setXComb (tXCombPtr xc)
 
virtual bool isReshuffling () const
 
bool didRunCascade () const
 
virtual void handle (EventHandler &eh, const tPVector &tagged, const Hint &hint)
 
virtual void cascade ()=0
 
virtual double reweightCKKW (int minMult, int maxMult)
 
- Public Member Functions inherited from ThePEG::StepHandler
virtual void handle (EventHandler &eh, const tPVector &tagged, const Hint &hint)=0
 
tEHPtr eventHandler () const
 
void eventHandler (tEHPtr)
 
tStepPtr newStep ()
 
tStepPtr currentStep ()
 
virtual void handle (EventHandler &eh, const tPVector &tagged, const Hint &hint)=0
 
- Public Member Functions inherited from ThePEG::HandlerBaseT< UseRandom >
double rnd () const
 
double rnd (double xu) const
 
double rnd (double xl, double xu) const
 
bool rndbool () const
 
bool rndbool (double p) const
 
bool rndbool (double p1, double p2) const
 
int rndsign (double p1, double p2, double p3) const
 
int rnd2 (double p0, double p1) const
 
int rnd3 (double p0, double p1, double p2) const
 
int rnd4 (double p0, double p1, double p2, double p3) const
 
long irnd (long xu=2) const
 
long irnd (long xl, long xu) const
 
const StandardModelBaseSM () const
 
tSMPtr standardModel () const
 
- Public Member Functions inherited from ThePEG::Interfaced
virtual bool defaultInit ()
 
PPtr getParticle (PID) const
 
PDPtr getParticleData (PID) const
 
bool used () const
 
void useMe () const
 
tEGPtr generator () const
 
void persistentOutput (PersistentOStream &os) const
 
void persistentInput (PersistentIStream &is, int version)
 
PPtr getParticle (PID) const
 
PDPtr getParticleData (PID) const
 
bool used () const
 
void useMe () const
 
tEGPtr generator () const
 
- Public Member Functions inherited from ThePEG::InterfacedBase
string fullName () const
 
string name () const
 
string path () const
 
string comment () const
 
void setup (istream &is)
 
void update ()
 
void init ()
 
virtual bool preInitialize () const
 
void initrun ()
 
void finish ()
 
void touch ()
 
void reset ()
 
void clear ()
 
InitState state () const
 
bool locked () const
 
bool touched () const
 
virtual IBPtr fullclone () const
 
void persistentOutput (PersistentOStream &os) const
 
void persistentInput (PersistentIStream &is, int version)
 
virtual void debugme () const
 
void update ()
 
void init ()
 
virtual bool preInitialize () const
 
void initrun ()
 
void finish ()
 
void touch ()
 
void reset ()
 
void clear ()
 
InitState state () const
 
bool locked () const
 
bool touched () const
 
virtual IBPtr fullclone () const
 
- Public Member Functions inherited from ThePEG::Base
void debug () const
 
virtual void debugme () const
 
- Public Member Functions inherited from ThePEG::Pointer::ReferenceCounted
CounterType referenceCount () const
 
- Public Member Functions inherited from ThePEG::Named
 Named (const string &newName=string())
 
 Named (const Named &)=default
 
const string & name () const
 
bool operator== (const Named &other) const
 
bool operator< (const Named &other) const
 
- Public Member Functions inherited from ThePEG::LastXCombInfo< typename XC >
const XC & lastXComb () const
 
tXCPtr lastXCombPtr () const
 
const XC & lastHeadXComb () const
 
tXCPtr lastHeadXCombPtr () const
 
const EventHandlerlastEventHandler () const
 
tPExtrPtr lastExtractor () const
 
PDFT pdf (tcPPtr parton) const
 
const CutslastCuts () const
 
tCutsPtr lastCutsPtr () const
 
const PPairlastParticles () const
 
Energy2 lastS () const
 
const PPairlastPartons () const
 
Energy2 lastSHat () const
 
double lastTau () const
 
double lastY () const
 
double lastP1 () const
 
double lastP2 () const
 
double lastL1 () const
 
double lastL2 () const
 
double lastX1 () const
 
double lastX2 () const
 
double lastE1 () const
 
double lastE2 () const
 
double lastFL1L2 () const
 
Energy2 lastScale () const
 
double lastAlphaS () const
 
double lastAlphaEM () const
 
const vector< Lorentz5Momentum > & meMomenta () const
 
double lastME2 () const
 
double lastPreweight () const
 
double jacobian () const
 
CrossSection lastMECrossSection () const
 
double lastMEPDFWeight () const
 
double lastMECouplings () const
 
tSubProPtr subProcess () const
 
const cPDVectormePartonData () const
 
const XC & lastXComb () const
 
tXCPtr lastXCombPtr () const
 
const XC & lastHeadXComb () const
 
tXCPtr lastHeadXCombPtr () const
 
const EventHandlerlastEventHandler () const
 
tPExtrPtr lastExtractor () const
 
PDFT pdf (tcPPtr parton) const
 
const CutslastCuts () const
 
tCutsPtr lastCutsPtr () const
 
const PPairlastParticles () const
 
Energy2 lastS () const
 
const PPairlastPartons () const
 
Energy2 lastSHat () const
 
double lastTau () const
 
double lastY () const
 
double lastP1 () const
 
double lastP2 () const
 
double lastL1 () const
 
double lastL2 () const
 
double lastX1 () const
 
double lastX2 () const
 
double lastE1 () const
 
double lastE2 () const
 
double lastFL1L2 () const
 

Protected Member Functions

virtual HardTreePtr generateCKKW (ShowerTreePtr tree) const
 Generate hard emissions for CKKW etc.
 
MEPtr matrixElement () const
 Access to the core matrix element.
 
PotentialTree doClustering (tSubProPtr sub, ShowerTreePtr showerTree) const
 Creates all (ordered) cluster histories and selects one.
 
PotentialTreehardTree ()
 Access to the select tree.
 
const PotentialTreehardTree () const
 
void hardTree (PotentialTree in) const
 Access to the select tree.
 
bool fuzzyEqual (Lorentz5Momentum a, Lorentz5Momentum b) const
 Check if two momenta are equal within 1%.
 
set< ProtoBranchingPtr > & protoBranchings () const
 Access to the potential branchings.
 
set< ProtoTreePtr > & protoTrees () const
 The ProtoTrees which will become CKKWTrees.
 
void fillProtoTrees (ProtoTreePtr, long id) const
 Recursive function to find all possible clustered trees.
 
tProtoBranchingPtr getCluster (tProtoBranchingPtr, tProtoBranchingPtr) const
 Function looks to see if a cluster of the branchings already exists in protoBranchings_ if so returns the pointer to that protoBranching if not creates the hardBranchings, adds it to protoBranchings and returns the pointer.
 
bool repeatProtoTree (ProtoTreePtr currentProtoTree) const
 Checks whether a ProtoTree containing the same branchings already exists in protoTrees_ in which case the current tree is a repeat and should be removed (and not recursed)
 
BranchingElement allowedFinalStateBranching (tProtoBranchingPtr &, tProtoBranchingPtr &) const
 Returns the branching element for an FS-FS clustering.
 
BranchingElement allowedInitialStateBranching (tProtoBranchingPtr &, tProtoBranchingPtr &) const
 Returns the branching element for an IS-FS clustering.
 
bool checkDiagram (PotentialTree &, tcDiagPtr) const
 Returns the diagram corresponding to the (leading-order) hardTree.
 
bool subtractionIntegral () const
 
void setSubtractionIntegral (bool subInt) const
 
Clone Methods.
virtual IBPtr clone () const
 Make a simple clone of this object.
 
virtual IBPtr fullclone () const
 Make a clone of this object, possibly modifying the cloned object to make it sane.
 
- Protected Member Functions inherited from Herwig::QTildeShowerHandler
void doShowering (bool hard, XCPtr)
 Perform the shower.
 
virtual RealEmissionProcessPtr hardMatrixElementCorrection (bool)
 Generate the hard matrix element correction.
 
virtual void hardestEmission (bool hard)
 Generate the hardest emission.
 
void setupMECorrection (RealEmissionProcessPtr real)
 Set up for applying a matrix element correction.
 
virtual vector< ShowerProgenitorPtr > setupShower (bool hard)
 Extract the particles to be showered, set the evolution scales and apply the hard matrix element correction.
 
virtual void setEvolutionPartners (bool hard, ShowerInteraction, bool clear)
 set the colour partners
 
virtual bool timeLikeShower (tShowerParticlePtr particle, ShowerInteraction, Branching fb, bool first)
 Methods to perform the evolution of an individual particle, including recursive calling on the products.
 
virtual bool spaceLikeShower (tShowerParticlePtr particle, PPtr beam, ShowerInteraction)
 It does the backward evolution of the space-like input particle (and recursively for all its time-like radiation products).
 
virtual bool spaceLikeDecayShower (tShowerParticlePtr particle, const ShowerParticle::EvolutionScales &maxScales, Energy minimumMass, ShowerInteraction, Branching fb)
 If does the forward evolution of the input on-shell particle involved in a decay (and recursively for all its time-like radiation products).
 
virtual bool truncatedTimeLikeShower (tShowerParticlePtr particle, HardBranchingPtr branch, ShowerInteraction type, Branching fb, bool first)
 Truncated shower from a time-like particle.
 
virtual bool truncatedSpaceLikeShower (tShowerParticlePtr particle, PPtr beam, HardBranchingPtr branch, ShowerInteraction type)
 Truncated shower from a space-like particle.
 
virtual bool truncatedSpaceLikeDecayShower (tShowerParticlePtr particle, const ShowerParticle::EvolutionScales &maxScales, Energy minimumMass, HardBranchingPtr branch, ShowerInteraction type, Branching fb)
 Truncated shower from a time-like particle.
 
bool MECOn () const
 Switches for matrix element corrections.
 
bool hardMEC () const
 Any hard ME correction?
 
bool softMEC () const
 Any soft ME correction?
 
bool isTruncatedShowerON () const
 Is the truncated shower on?
 
bool ipTon () const
 Switch for intrinsic pT.
 
void addVeto (ShowerVetoPtr v)
 Insert a veto.
 
void removeVeto (ShowerVetoPtr v)
 Remove a veto.
 
bool hardVetoReadOption () const
 Switches for vetoing hard emissions.
 
double initialStateRadiationEnhancementFactor () const
 Enhancement factors for radiation needed to generate the soft matrix element correction.
 
double finalStateRadiationEnhancementFactor () const
 Access the enhancement factor for final-state radiation.
 
void initialStateRadiationEnhancementFactor (double in)
 Set the enhancement factor for initial-state radiation.
 
void finalStateRadiationEnhancementFactor (double in)
 Set the enhancement factor for final-state radiation.
 
tHardTreePtr hardTree ()
 Access to set/get the HardTree currently beinging showered.
 
void hardTree (tHardTreePtr in)
 The HardTree currently being showered.
 
Ptr< BeamParticleData >::const_pointer beamParticle () const
 Access/set the beam particle for the current initial-state shower.
 
void setBeamParticle (Ptr< BeamParticleData >::const_pointer in)
 Set the beam particle data.
 
tShowerTreePtr currentTree ()
 Set/Get the current tree being evolver for inheriting classes.
 
void currentTree (tShowerTreePtr tree)
 Set the tree.
 
unsigned int maximumTries () const
 Access the maximum number of attempts to generate the shower.
 
ShowerProgenitorPtr progenitor ()
 Set/Get the ShowerProgenitor for the current shower.
 
void progenitor (ShowerProgenitorPtr in)
 Set the progenitor.
 
virtual void generateIntrinsicpT (vector< ShowerProgenitorPtr >)
 Calculate the intrinsic \(p_T\).
 
map< tShowerProgenitorPtr, pair< Energy, double > > & intrinsicpT ()
 Access to the intrinsic \(p_T\) for inheriting classes.
 
void setupMaximumScales (const vector< ShowerProgenitorPtr > &, XCPtr)
 find the maximally allowed pt acc to the hard process.
 
void setupHardScales (const vector< ShowerProgenitorPtr > &, XCPtr)
 find the relevant hard scales for profile scales.
 
void convertHardTree (bool hard, ShowerInteraction type)
 Convert the HardTree into an extra shower emission.
 
PPtr findFirstParton (tPPtr seed) const
 Find the parton extracted from the incoming particle after ISR.
 
tPPair remakeRemnant (tPPair oldp)
 Fix Remnant connections after ISR.
 
virtual bool startTimeLikeShower (ShowerInteraction)
 Start the shower of a timelike particle.
 
void updateHistory (tShowerParticlePtr particle)
 Update of the time-like stuff.
 
virtual bool startSpaceLikeShower (PPtr, ShowerInteraction)
 Start the shower of a spacelike particle.
 
virtual bool startSpaceLikeDecayShower (const ShowerParticle::EvolutionScales &maxScales, Energy minimumMass, ShowerInteraction)
 Start the shower of a spacelike particle.
 
Branching selectTimeLikeBranching (tShowerParticlePtr particle, ShowerInteraction type, HardBranchingPtr branch)
 Select the branching for the next time-like emission.
 
Branching selectSpaceLikeDecayBranching (tShowerParticlePtr particle, const ShowerParticle::EvolutionScales &maxScales, Energy minmass, ShowerInteraction type, HardBranchingPtr branch)
 Select the branching for the next space-like emission in a decay.
 
ShowerParticleVector createTimeLikeChildren (tShowerParticlePtr particle, IdList ids)
 Create the timelike child of a branching.
 
virtual bool timeLikeVetoed (const Branching &, ShowerParticlePtr)
 Vetos for the timelike shower.
 
virtual bool spaceLikeVetoed (const Branching &, ShowerParticlePtr)
 Vetos for the spacelike shower.
 
virtual bool spaceLikeDecayVetoed (const Branching &, ShowerParticlePtr)
 Vetos for the spacelike shower.
 
bool hardOnly () const
 Only generate the hard emission, for testing only.
 
void checkFlags ()
 Check the flags.
 
void addFSRUsingDecayPOWHEG (HardTreePtr ISRTree)
 
virtual void doinitrun ()
 Initialize this object.
 
virtual tPPair cascade (tSubProPtr sub, XCPtr xcomb)
 The main method which manages the showering of a subprocess.
 
void decay (ShowerTreePtr tree, ShowerDecayMap &decay)
 Decay a ShowerTree.
 
- Protected Member Functions inherited from Herwig::ShowerHandler
virtual tPPair cascade (tSubProPtr sub, XCPtr xcomb)
 The main method which manages the showering of a subprocess.
 
void prepareCascade (tSubProPtr sub)
 Set up for the cascade.
 
void boostCollision (bool boost)
 Boost all the particles in the collision so that the collision always occurs in the rest frame with the incoming particles along the z axis.
 
void setCurrentHandler ()
 Set/unset the current shower handler.
 
void unSetCurrentHandler ()
 Unset the current handler.
 
tSubProPtr currentSubProcess () const
 Return the currently used SubProcess.
 
tPPair incomingBeams () const
 Access to the incoming beam particles.
 
void combineWeights ()
 Weight handling for shower variations.
 
void initializeWeights ()
 Initialise the weights in currentEvent()
 
void resetWeights ()
 Reset the current weights.
 
unsigned int maxtry () const
 Return the maximum number of attempts for showering a given subprocess.
 
bool includeSpaceTime () const
 Parameters for the space-time model.
 
Energy2 vMin () const
 The minimum virtuality for the space-time model.
 
virtual void dofinish ()
 Finalize this object.
 
bool isMPIOn () const
 Return true if multiple parton interactions are switched on and can be used for this beam setup.
 
tUEBasePtr getMPIHandler () const
 Access function for the MPIHandler, it should only be called after checking with isMPIOn.
 
bool isResolvedHadron (tPPtr)
 Is a beam particle where hadronic structure is resolved.
 
RemPair getRemnants (PBIPair incbins)
 Get the remnants from the ThePEG::PartonBinInstance es and do some checks.
 
void setMPIPDFs ()
 Reset the PDF's after the hard collision has been showered.
 
void findDecayProducts (PPtr parent, PerturbativeProcessPtr hard, DecayProcessMap &decay) const
 Members to handle splitting up of hard process and decays.
 
void createDecayProcess (PPtr parent, PerturbativeProcessPtr hard, DecayProcessMap &decay) const
 Find decay products from the hard process and create decay processes.
 
- Protected Member Functions inherited from ThePEG::StepHandler
void createNewStep ()
 
- Protected Member Functions inherited from ThePEG::Interfaced
void reporeg (IBPtr object, string name) const
 
bool setDefaultReference (PtrT &ptr, string classname, string objectname)
 
 Interfaced (const string &newName)
 
 Interfaced (const Interfaced &i)
 
void setGenerator (tEGPtr generator)
 
- Protected Member Functions inherited from ThePEG::InterfacedBase
virtual void readSetup (istream &is)
 
virtual void doupdate ()
 
virtual void doinit ()
 
virtual void doinitrun ()
 
virtual void dofinish ()
 
virtual IVector getReferences ()
 
virtual void rebind (const TranslationMap &)
 
virtual IBPtr clone () const=0
 
 InterfacedBase (string newName)
 
 InterfacedBase (const InterfacedBase &i)
 
virtual void readSetup (istream &is)
 
virtual void doupdate ()
 
virtual void doinit ()
 
virtual void doinitrun ()
 
virtual void dofinish ()
 
virtual IVector getReferences ()
 
virtual void rebind (const TranslationMap &)
 
- Protected Member Functions inherited from ThePEG::Pointer::ReferenceCounted
 ReferenceCounted (const ReferenceCounted &)
 
ReferenceCountedoperator= (const ReferenceCounted &)
 
- Protected Member Functions inherited from ThePEG::Named
const Namedoperator= (const Named &other)
 
const string & name (const string &newName)
 

Private Attributes

MEPtr matrixElement_
 The matrix element for the core process.
 
PotentialTree hardTree_
 The chosen hard tree.
 
set< ProtoBranchingPtr > protoBranchings_
 All the Protobranchings used in finding the shower histories.
 
set< ProtoTreePtr > protoTrees_
 The ProtoTrees which will become CKKWTrees.
 
vector< pair< PotentialTree, double > > hardTrees_
 The possible shower configurations that are angular-ordered.
 
map< pair< long, long >, BranchingElementallowedFinal_
 Which branchings are allowed?
 
multimap< long, BranchingElementallowedInitial_
 The allowed initial-state branchings.
 

Standard Interfaced functions.

int emitter_
 Emitter particle from the original generation.
 
int spectator_
 Spectator particle from the original generation.
 
bool subtractionIntegral_
 Whether or not a subtraction integral.
 
bool enforceColourConsistency_
 Whether or not do enforce consistency of the Born and real colour flows.
 
bool forcePartners_
 Force emitter and spectator partners.
 
unsigned int decayRadiation_
 Handling of radiation in decays.
 
virtual void doinit ()
 Initialize this object after the setup phase before saving an EventGenerator to disk.
 
PowhegShowerHandleroperator= (const PowhegShowerHandler &)=delete
 The assignment operator is private and must never be called.
 

Functions used by the persistent I/O system.

void persistentOutput (PersistentOStream &os) const
 Function used to write out object persistently.
 
void persistentInput (PersistentIStream &is, int version)
 Function used to read in object persistently.
 
static void Init ()
 The standard Init function used to initialize the interfaces.
 

Additional Inherited Members

- Public Types inherited from Herwig::QTildeShowerHandler
typedef Ptr< XComb >::pointer XCPtr
 Pointer to an XComb object.
 
- Public Types inherited from Herwig::ShowerHandler
typedef pair< tRemPPtr, tRemPPtr > RemPair
 Typedef for a pair of ThePEG::RemnantParticle pointers.
 
typedef multiset< tcPDPtr, ParticleOrderingOrderedParticles
 A container for ordered particles required for constructing tags for decay mode lookup.
 
- Public Types inherited from ThePEG::InterfacedBase
enum  InitState
 
- Public Types inherited from ThePEG::Pointer::ReferenceCounted
typedef unsigned int CounterType
 
- Public Types inherited from ThePEG::LastXCombInfo< typename XC >
typedef ThePEG::Ptr< XC >::pointer XCPtr
 
typedef ThePEG::Ptr< XC >::const_pointer cXCPtr
 
typedef ThePEG::Ptr< XC >::transient_pointer tXCPtr
 
typedef ThePEG::Ptr< XC >::transient_const_pointer tcXCPtr
 
- Static Public Member Functions inherited from Herwig::QTildeShowerHandler
static void Init ()
 The standard Init function used to initialize the interfaces.
 
- Static Public Member Functions inherited from Herwig::ShowerHandler
static const tShowerHandlerPtr currentHandler ()
 pointer to "this", the current ShowerHandler.
 
static bool currentHandlerIsSet ()
 pointer to "this", the current ShowerHandler.
 
static void Init ()
 The standard Init function used to initialize the interfaces.
 
- Static Public Member Functions inherited from ThePEG::CascadeHandler
static void setDidRunCascade (bool c)
 
static void Init ()
 
- Static Public Member Functions inherited from ThePEG::StepHandler
static void Init ()
 
- Static Public Member Functions inherited from ThePEG::HandlerBase
static void Init ()
 
- Static Public Member Functions inherited from ThePEG::Interfaced
static void Init ()
 
- Static Public Member Functions inherited from ThePEG::InterfacedBase
static void Init ()
 
- Static Public Member Functions inherited from ThePEG::Base
static void Init ()
 
- Public Attributes inherited from ThePEG::InterfacedBase
 initializing
 
 uninitialized
 
 initialized
 
 runready
 
- Public Attributes inherited from ThePEG::Pointer::ReferenceCounted
const unsigned long uniqueId
 
- Static Protected Member Functions inherited from ThePEG::Interfaced
static void registerRepository (IBPtr)
 
static void registerRepository (IBPtr, string newName)
 
- Protected Attributes inherited from ThePEG::LastXCombInfo< typename XC >
XCPtr theLastXComb
 

Detailed Description

Definition at line 46 of file PowhegShowerHandler.h.

Constructor & Destructor Documentation

◆ PowhegShowerHandler()

Herwig::PowhegShowerHandler::PowhegShowerHandler ( )
inline

The default constructor.

Definition at line 53 of file PowhegShowerHandler.h.

Member Function Documentation

◆ canHandleMatchboxTrunc()

virtual bool Herwig::PowhegShowerHandler::canHandleMatchboxTrunc ( ) const
inlinevirtual

Return true, if the shower handler can generate a truncated shower for POWHEG style events generated using Matchbox.

Reimplemented from Herwig::ShowerHandler.

Definition at line 67 of file PowhegShowerHandler.h.

◆ clone()

virtual IBPtr Herwig::PowhegShowerHandler::clone ( ) const
protectedvirtual

Make a simple clone of this object.

Returns
a pointer to the new object.

Reimplemented from Herwig::QTildeShowerHandler.

◆ doinit()

virtual void Herwig::PowhegShowerHandler::doinit ( )
protectedvirtual

Initialize this object after the setup phase before saving an EventGenerator to disk.

Exceptions
InitExceptionif object could not be initialized properly.

Reimplemented from Herwig::QTildeShowerHandler.

◆ Factory()

Ptr< MatchboxFactory >::tptr Herwig::PowhegShowerHandler::Factory ( ) const
inline

Definition at line 61 of file PowhegShowerHandler.h.

◆ fillProtoTrees()

void Herwig::PowhegShowerHandler::fillProtoTrees ( ProtoTreePtr  ,
long  id 
) const
protected

Recursive function to find all possible clustered trees.

Does not produce any repeated trees.

◆ fullclone()

virtual IBPtr Herwig::PowhegShowerHandler::fullclone ( ) const
protectedvirtual

Make a clone of this object, possibly modifying the cloned object to make it sane.

Returns
a pointer to the new object.

Reimplemented from Herwig::QTildeShowerHandler.

◆ generateCKKW()

virtual HardTreePtr Herwig::PowhegShowerHandler::generateCKKW ( ShowerTreePtr  tree) const
protectedvirtual

Generate hard emissions for CKKW etc.

Reimplemented from Herwig::QTildeShowerHandler.

◆ hardTree() [1/3]

PotentialTree & Herwig::PowhegShowerHandler::hardTree ( )
inlineprotected

Access to the select tree.

Definition at line 91 of file PowhegShowerHandler.h.

References hardTree_.

◆ hardTree() [2/3]

const PotentialTree & Herwig::PowhegShowerHandler::hardTree ( ) const
inlineprotected

Definition at line 92 of file PowhegShowerHandler.h.

◆ hardTree() [3/3]

void Herwig::PowhegShowerHandler::hardTree ( PotentialTree  in) const
inlineprotected

Access to the select tree.

Definition at line 97 of file PowhegShowerHandler.h.

References hardTree_.

◆ Init()

static void Herwig::PowhegShowerHandler::Init ( )
static

The standard Init function used to initialize the interfaces.

Called exactly once for each class by the class description system before the main function starts or when this class is dynamically loaded.

◆ matrixElement()

MEPtr Herwig::PowhegShowerHandler::matrixElement ( ) const
inlineprotected

Access to the core matrix element.

Definition at line 81 of file PowhegShowerHandler.h.

References matrixElement_.

◆ operator=()

PowhegShowerHandler & Herwig::PowhegShowerHandler::operator= ( const PowhegShowerHandler )
privatedelete

The assignment operator is private and must never be called.

In fact, it should not even be implemented.

◆ persistentInput()

void Herwig::PowhegShowerHandler::persistentInput ( PersistentIStream is,
int  version 
)

Function used to read in object persistently.

Parameters
isthe persistent input stream read from.
versionthe version number of the object when written.

◆ persistentOutput()

void Herwig::PowhegShowerHandler::persistentOutput ( PersistentOStream os) const

Function used to write out object persistently.

Parameters
osthe persistent output stream written to.

◆ protoBranchings()

set< ProtoBranchingPtr > & Herwig::PowhegShowerHandler::protoBranchings ( ) const
inlineprotected

Access to the potential branchings.

Definition at line 107 of file PowhegShowerHandler.h.

References protoBranchings_.

◆ protoTrees()

set< ProtoTreePtr > & Herwig::PowhegShowerHandler::protoTrees ( ) const
inlineprotected

The ProtoTrees which will become CKKWTrees.

Definition at line 112 of file PowhegShowerHandler.h.

References protoTrees_.

◆ setSubtractionIntegral()

void Herwig::PowhegShowerHandler::setSubtractionIntegral ( bool  subInt) const
inlineprotected

Definition at line 154 of file PowhegShowerHandler.h.

◆ subtractionIntegral()

bool Herwig::PowhegShowerHandler::subtractionIntegral ( ) const
inlineprotected

Definition at line 152 of file PowhegShowerHandler.h.

Member Data Documentation

◆ allowedFinal_

map<pair<long,long>,BranchingElement > Herwig::PowhegShowerHandler::allowedFinal_
mutableprivate

Which branchings are allowed?

The allowed final-state branchings

Definition at line 191 of file PowhegShowerHandler.h.

◆ allowedInitial_

multimap<long, BranchingElement > Herwig::PowhegShowerHandler::allowedInitial_
mutableprivate

The allowed initial-state branchings.

Definition at line 196 of file PowhegShowerHandler.h.

◆ decayRadiation_

unsigned int Herwig::PowhegShowerHandler::decayRadiation_
private

Handling of radiation in decays.

Definition at line 292 of file PowhegShowerHandler.h.

◆ emitter_

int Herwig::PowhegShowerHandler::emitter_
mutableprivate

Emitter particle from the original generation.

Definition at line 267 of file PowhegShowerHandler.h.

◆ enforceColourConsistency_

bool Herwig::PowhegShowerHandler::enforceColourConsistency_
private

Whether or not do enforce consistency of the Born and real colour flows.

Definition at line 282 of file PowhegShowerHandler.h.

◆ forcePartners_

bool Herwig::PowhegShowerHandler::forcePartners_
private

Force emitter and spectator partners.

Definition at line 287 of file PowhegShowerHandler.h.

◆ hardTree_

PotentialTree Herwig::PowhegShowerHandler::hardTree_
mutableprivate

The chosen hard tree.

Definition at line 167 of file PowhegShowerHandler.h.

Referenced by hardTree().

◆ hardTrees_

vector< pair< PotentialTree, double > > Herwig::PowhegShowerHandler::hardTrees_
mutableprivate

The possible shower configurations that are angular-ordered.

Definition at line 182 of file PowhegShowerHandler.h.

◆ matrixElement_

MEPtr Herwig::PowhegShowerHandler::matrixElement_
mutableprivate

The matrix element for the core process.

Definition at line 162 of file PowhegShowerHandler.h.

Referenced by matrixElement().

◆ protoBranchings_

set<ProtoBranchingPtr> Herwig::PowhegShowerHandler::protoBranchings_
mutableprivate

All the Protobranchings used in finding the shower histories.

Definition at line 172 of file PowhegShowerHandler.h.

Referenced by protoBranchings().

◆ protoTrees_

set< ProtoTreePtr > Herwig::PowhegShowerHandler::protoTrees_
mutableprivate

The ProtoTrees which will become CKKWTrees.

Definition at line 177 of file PowhegShowerHandler.h.

Referenced by protoTrees().

◆ spectator_

int Herwig::PowhegShowerHandler::spectator_
mutableprivate

Spectator particle from the original generation.

Definition at line 272 of file PowhegShowerHandler.h.

◆ subtractionIntegral_

bool Herwig::PowhegShowerHandler::subtractionIntegral_
mutableprivate

Whether or not a subtraction integral.

Definition at line 277 of file PowhegShowerHandler.h.


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