Herwig 7.3.0
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The QTildeShowerHandler class. More...
#include <QTildeShowerHandler.h>
Public Types | |
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, ParticleOrdering > | OrderedParticles |
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 |
Public Member Functions | |
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. | |
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 tPVector & | tagged () const |
const Hint & | hint () const |
const PDF & | firstPDF () const |
const PDF & | secondPDF () 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 StandardModelBase & | SM () 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 EventHandler & | lastEventHandler () const |
tPExtrPtr | lastExtractor () const |
PDFT | pdf (tcPPtr parton) const |
const Cuts & | lastCuts () const |
tCutsPtr | lastCutsPtr () const |
const PPair & | lastParticles () const |
Energy2 | lastS () const |
const PPair & | lastPartons () 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 cPDVector & | mePartonData () const |
const XC & | lastXComb () const |
tXCPtr | lastXCombPtr () const |
const XC & | lastHeadXComb () const |
tXCPtr | lastHeadXCombPtr () const |
const EventHandler & | lastEventHandler () const |
tPExtrPtr | lastExtractor () const |
PDFT | pdf (tcPPtr parton) const |
const Cuts & | lastCuts () const |
tCutsPtr | lastCutsPtr () const |
const PPair & | lastParticles () const |
Energy2 | lastS () const |
const PPair & | lastPartons () 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 | |
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. | |
Additional shower vetoes | |
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) |
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 &) | |
ReferenceCounted & | operator= (const ReferenceCounted &) |
Protected Member Functions inherited from ThePEG::Named | |
const Named & | operator= (const Named &other) |
const string & | name (const string &newName) |
Clone Methods. | |
ShowerTreePtr | hard_ |
Stuff from the ShowerHandler. | |
ShowerDecayMap | decay_ |
The ShowerTree for the decays. | |
vector< ShowerTreePtr > | done_ |
The ShowerTrees for which the initial shower. | |
SplittingGeneratorPtr | _splittingGenerator |
Pointer to the splitting generator. | |
unsigned int | _maxtry |
Maximum number of tries to generate the shower of a particular tree. | |
unsigned int | _meCorrMode |
Matrix element correction switch. | |
unsigned int | _evolutionScheme |
Control of the reconstruction option. | |
bool | _hardVetoReadOption |
If hard veto pT scale is being read-in this determines whether the read-in value is applied to primary and secondary (MPI) scatters or just the primary one, with the usual computation of the veto being performed for the secondary (MPI) scatters. | |
Energy | _iptrms |
rms intrinsic pT of Gaussian distribution | |
double | _beta |
Proportion of inverse quadratic intrinsic pT distribution. | |
Energy | _gamma |
Parameter for inverse quadratic: 2*Beta*Gamma/(sqr(Gamma)+sqr(intrinsicpT)) | |
Energy | _iptmax |
Upper bound on intrinsic pT for inverse quadratic. | |
unsigned int | _limitEmissions |
Limit the number of emissions for testing. | |
ShowerProgenitorPtr | _progenitor |
The progenitor of the current shower. | |
HwMEBasePtr | _hardme |
Matrix element. | |
HwDecayerBasePtr | _decayme |
Decayer. | |
ShowerTreePtr | _currenttree |
The ShowerTree currently being showered. | |
HardTreePtr | _hardtree |
The HardTree currently being showered. | |
double | _initialenhance |
Radiation enhancement factors for use with the veto algorithm if needed by the soft matrix element correction. | |
double | _finalenhance |
Enhancement factor for final-state radiation. | |
Ptr< BeamParticleData >::const_pointer | _beam |
The beam particle data for the current initial-state shower. | |
map< tShowerProgenitorPtr, pair< Energy, double > > | _intrinsic |
Storage of the intrinsic \(p_t\) of the particles. | |
vector< ShowerVetoPtr > | _vetoes |
Vetoes. | |
vector< FullShowerVetoPtr > | _fullShowerVetoes |
Full Shower Vetoes. | |
unsigned int | _nReWeight |
Number of iterations for reweighting. | |
bool | _reWeight |
Whether or not we are reweighting. | |
unsigned int | _nis |
number of IS emissions | |
unsigned int | _nfs |
Number of FS emissions. | |
ShowerInteraction | interaction_ |
The option for wqhich interactions to use. | |
bool | _trunc_Mode |
Truncated shower switch. | |
int | _hardEmission |
Mode for the hard emissions. | |
unsigned int | _softOpt |
Option for the kernal for soft correlations. | |
bool | _hardPOWHEG |
Option for hard radiation in POWHEG events. | |
Energy | muPt |
The relevant hard scale to be used in the profile scales. | |
KinematicsReconstructorPtr | _reconstructor |
Pointer to the various objects. | |
PartnerFinderPtr | _partnerfinder |
Pointer to the PartnerFinder object. | |
static bool | _hardEmissionWarn |
True if no warnings about incorrect hard emission mode setting have been issued yet. | |
static bool | _missingTruncWarn |
True if no warnings about missing truncated shower have been issued yet. | |
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. | |
virtual void | doinit () |
Initialize this object after the setup phase before saving an EventGenerator to disk. | |
virtual void | doinitrun () |
Initialize this object. | |
QTildeShowerHandler & | operator= (const QTildeShowerHandler &)=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. | |
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. | |
static void | Init () |
The standard Init function used to initialize the interfaces. | |
Additional Inherited Members | |
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 |
The QTildeShowerHandler class.
Definition at line 36 of file QTildeShowerHandler.h.
typedef Ptr<XComb>::pointer Herwig::QTildeShowerHandler::XCPtr |
Pointer to an XComb object.
Definition at line 43 of file QTildeShowerHandler.h.
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inlineprotected |
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inlineprotected |
Access/set the beam particle for the current initial-state shower.
Get the beam particle data
Definition at line 375 of file QTildeShowerHandler.h.
References _beam.
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protectedvirtual |
Make a simple clone of this object.
Reimplemented from Herwig::ShowerHandler.
Reimplemented in Herwig::AlpGenHandlerOL, Herwig::FxFxHandler, and Herwig::PowhegShowerHandler.
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inlinevirtual |
Any correlations.
Reimplemented from Herwig::ShowerHandler.
Definition at line 131 of file QTildeShowerHandler.h.
References _softOpt, and Herwig::ShowerHandler::spinCorrelations().
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inlineprotected |
Set/Get the current tree being evolver for inheriting classes.
Get the tree
Definition at line 390 of file QTildeShowerHandler.h.
References _currenttree.
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inlineprotected |
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protectedvirtual |
Initialize this object after the setup phase before saving an EventGenerator to disk.
InitException | if object could not be initialized properly. |
Reimplemented from Herwig::ShowerHandler.
Reimplemented in Herwig::AlpGenHandlerOL, Herwig::FxFxHandler, and Herwig::PowhegShowerHandler.
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protectedvirtual |
Initialize this object.
Called in the run phase just before a run begins.
Reimplemented from Herwig::ShowerHandler.
Reimplemented in Herwig::AlpGenHandlerOL, and Herwig::FxFxHandler.
void Herwig::QTildeShowerHandler::fillEventRecord | ( | ) |
At the end of the Showering, transform ShowerParticle objects into ThePEG particles and fill the event record with them.
Notice that the parent/child relationships and the transformation from ShowerColourLine objects into ThePEG ColourLine ones must be properly handled.
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inlineprotected |
Access the enhancement factor for final-state radiation.
Definition at line 340 of file QTildeShowerHandler.h.
References _finalenhance.
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inlineprotected |
Set the enhancement factor for final-state radiation.
Definition at line 350 of file QTildeShowerHandler.h.
References _finalenhance.
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protectedvirtual |
Make a clone of this object, possibly modifying the cloned object to make it sane.
Reimplemented from Herwig::ShowerHandler.
Reimplemented in Herwig::AlpGenHandlerOL, Herwig::FxFxHandler, and Herwig::PowhegShowerHandler.
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virtual |
Generate hard emissions for CKKW etc.
Reimplemented in Herwig::PowhegShowerHandler.
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inline |
Mode for hard emissions.
Definition at line 109 of file QTildeShowerHandler.h.
References _hardEmission.
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inlineprotected |
Any hard ME correction?
Definition at line 269 of file QTildeShowerHandler.h.
References _hardEmission, and _meCorrMode.
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inlineprotected |
Only generate the hard emission, for testing only.
Definition at line 518 of file QTildeShowerHandler.h.
References _limitEmissions.
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inlinevirtual |
Return the relevant hard scale to be used in the profile scales.
Reimplemented from Herwig::ShowerHandler.
Definition at line 66 of file QTildeShowerHandler.h.
References muPt.
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inlineprotected |
Access to set/get the HardTree currently beinging showered.
The HardTree currently being showered
Definition at line 360 of file QTildeShowerHandler.h.
References _hardtree.
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inlineprotected |
The HardTree currently being showered.
Definition at line 365 of file QTildeShowerHandler.h.
References _hardtree.
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inlineprotected |
Switches for vetoing hard emissions.
Returns true if the hard veto read-in is to be applied to only the primary collision and false otherwise.
Definition at line 324 of file QTildeShowerHandler.h.
References _hardVetoReadOption.
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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.
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inlineprotected |
Enhancement factors for radiation needed to generate the soft matrix element correction.
Access the enhancement factor for initial-state radiation
Definition at line 335 of file QTildeShowerHandler.h.
References _initialenhance.
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inlineprotected |
Set the enhancement factor for initial-state radiation.
Definition at line 345 of file QTildeShowerHandler.h.
References _initialenhance.
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inlineprotected |
Access to the intrinsic \(p_T\) for inheriting classes.
Definition at line 427 of file QTildeShowerHandler.h.
References _intrinsic.
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inlineprotected |
Switch for intrinsic pT.
Any intrinsic pT?
Definition at line 293 of file QTildeShowerHandler.h.
References _beta, _gamma, _iptmax, _iptrms, and ThePEG::ZERO.
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inlineprotected |
Is the truncated shower on?
Definition at line 284 of file QTildeShowerHandler.h.
References _trunc_Mode.
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inline |
Access methods to access the objects.
Access to the KinematicsReconstructor object
Definition at line 144 of file QTildeShowerHandler.h.
References _reconstructor.
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inlineprotected |
Access the maximum number of attempts to generate the shower.
Definition at line 402 of file QTildeShowerHandler.h.
References _maxtry.
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inlineprotected |
Switches for matrix element corrections.
Any ME correction?
Definition at line 262 of file QTildeShowerHandler.h.
References _hardEmission.
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privatedelete |
The assignment operator is private and must never be called.
In fact, it should not even be implemented.
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inline |
Access to the PartnerFinder object.
Definition at line 149 of file QTildeShowerHandler.h.
References _partnerfinder.
void Herwig::QTildeShowerHandler::persistentInput | ( | PersistentIStream & | is, |
int | version | ||
) |
Function used to read in object persistently.
is | the persistent input stream read from. |
version | the version number of the object when written. |
void Herwig::QTildeShowerHandler::persistentOutput | ( | PersistentOStream & | os | ) | const |
Function used to write out object persistently.
os | the persistent output stream written to. |
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inlineprotected |
Set/Get the ShowerProgenitor for the current shower.
Access the progenitor
Definition at line 411 of file QTildeShowerHandler.h.
References _progenitor.
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inlineprotected |
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inlineprotected |
Remove a veto.
Definition at line 308 of file QTildeShowerHandler.h.
References _vetoes, ThePEG::find(), and v.
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inlineprotected |
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protectedvirtual |
Extract the particles to be showered, set the evolution scales and apply the hard matrix element correction.
hard | Whether this is a hard process or decay |
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virtual |
Members to perform the shower.
Perform the shower of the hard process
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inlinevirtual |
Hook to allow vetoing of event after showering hard sub-process as in e.g.
MLM merging.
Reimplemented from Herwig::ShowerHandler.
Reimplemented in Herwig::AlpGenHandlerOL, and Herwig::FxFxHandler.
Definition at line 74 of file QTildeShowerHandler.h.
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inline |
Access to switches for spin correlations.
Soft correlations
Definition at line 124 of file QTildeShowerHandler.h.
References _softOpt.
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inlineprotected |
Any soft ME correction?
Definition at line 276 of file QTildeShowerHandler.h.
References _hardEmission, and _meCorrMode.
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protectedvirtual |
If does the forward evolution of the input on-shell particle involved in a decay (and recursively for all its time-like radiation products).
accepting only emissions which conforms to the showerVariables.
particle | The particle to be showered |
maxscale | The maximum scale for the shower. |
minimumMass | The minimum mass of the final-state system |
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protectedvirtual |
It does the backward evolution of the space-like input particle (and recursively for all its time-like radiation products).
accepting only emissions which conforms to the showerVariables. If at least one emission has occurred then the method returns true
particle | The particle to be showered |
beam | The beam particle |
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inline |
Access to the flags and shower variables.
Get the SplittingGenerator
Definition at line 104 of file QTildeShowerHandler.h.
References _splittingGenerator.
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protectedvirtual |
Methods to perform the evolution of an individual particle, including recursive calling on the products.
It does the forward evolution of the time-like input particle (and recursively for all its radiation products). accepting only emissions which conforms to the showerVariables and soft matrix element correction. If at least one emission has occurred then the method returns true.
particle | The particle to be showered |
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private |
The beam particle data for the current initial-state shower.
Definition at line 733 of file QTildeShowerHandler.h.
Referenced by beamParticle(), and setBeamParticle().
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private |
Proportion of inverse quadratic intrinsic pT distribution.
Definition at line 672 of file QTildeShowerHandler.h.
Referenced by ipTon().
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private |
The ShowerTree currently being showered.
Definition at line 707 of file QTildeShowerHandler.h.
Referenced by currentTree().
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private |
Decayer.
Definition at line 702 of file QTildeShowerHandler.h.
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private |
Control of the reconstruction option.
Definition at line 653 of file QTildeShowerHandler.h.
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private |
Enhancement factor for final-state radiation.
Definition at line 727 of file QTildeShowerHandler.h.
Referenced by finalStateRadiationEnhancementFactor().
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private |
Full Shower Vetoes.
Definition at line 748 of file QTildeShowerHandler.h.
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private |
Parameter for inverse quadratic: 2*Beta*Gamma/(sqr(Gamma)+sqr(intrinsicpT))
Definition at line 677 of file QTildeShowerHandler.h.
Referenced by ipTon().
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private |
Mode for the hard emissions.
Definition at line 783 of file QTildeShowerHandler.h.
Referenced by hardEmission(), hardMEC(), MECOn(), and softMEC().
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staticprivate |
True if no warnings about incorrect hard emission mode setting have been issued yet.
Definition at line 799 of file QTildeShowerHandler.h.
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private |
Matrix element.
Definition at line 697 of file QTildeShowerHandler.h.
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private |
Option for hard radiation in POWHEG events.
Definition at line 793 of file QTildeShowerHandler.h.
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private |
The HardTree currently being showered.
Definition at line 712 of file QTildeShowerHandler.h.
Referenced by hardTree().
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private |
If hard veto pT scale is being read-in this determines whether the read-in value is applied to primary and secondary (MPI) scatters or just the primary one, with the usual computation of the veto being performed for the secondary (MPI) scatters.
Definition at line 662 of file QTildeShowerHandler.h.
Referenced by hardVetoReadOption().
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private |
Radiation enhancement factors for use with the veto algorithm if needed by the soft matrix element correction.
Enhancement factor for initial-state radiation
Definition at line 722 of file QTildeShowerHandler.h.
Referenced by initialStateRadiationEnhancementFactor().
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private |
Storage of the intrinsic \(p_t\) of the particles.
Definition at line 738 of file QTildeShowerHandler.h.
Referenced by intrinsicpT().
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private |
Upper bound on intrinsic pT for inverse quadratic.
Definition at line 682 of file QTildeShowerHandler.h.
Referenced by ipTon().
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private |
rms intrinsic pT of Gaussian distribution
Definition at line 667 of file QTildeShowerHandler.h.
Referenced by ipTon().
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private |
Limit the number of emissions for testing.
Definition at line 687 of file QTildeShowerHandler.h.
Referenced by hardOnly().
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private |
Maximum number of tries to generate the shower of a particular tree.
Definition at line 643 of file QTildeShowerHandler.h.
Referenced by maximumTries().
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private |
Matrix element correction switch.
Definition at line 648 of file QTildeShowerHandler.h.
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staticprivate |
True if no warnings about missing truncated shower have been issued yet.
Definition at line 805 of file QTildeShowerHandler.h.
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private |
Number of FS emissions.
Definition at line 768 of file QTildeShowerHandler.h.
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private |
number of IS emissions
Definition at line 763 of file QTildeShowerHandler.h.
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private |
Number of iterations for reweighting.
Definition at line 753 of file QTildeShowerHandler.h.
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private |
Pointer to the PartnerFinder object.
Definition at line 825 of file QTildeShowerHandler.h.
Referenced by partnerFinder().
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private |
The progenitor of the current shower.
Definition at line 692 of file QTildeShowerHandler.h.
Referenced by progenitor().
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private |
Pointer to the various objects.
Pointer to the KinematicsReconstructor object
Definition at line 820 of file QTildeShowerHandler.h.
Referenced by kinematicsReconstructor().
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private |
Whether or not we are reweighting.
Definition at line 758 of file QTildeShowerHandler.h.
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private |
Option for the kernal for soft correlations.
Definition at line 788 of file QTildeShowerHandler.h.
Referenced by correlations(), and softCorrelations().
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private |
Pointer to the splitting generator.
Definition at line 638 of file QTildeShowerHandler.h.
Referenced by splittingGenerator().
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private |
Truncated shower switch.
Definition at line 778 of file QTildeShowerHandler.h.
Referenced by isTruncatedShowerON().
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private |
Vetoes.
Definition at line 743 of file QTildeShowerHandler.h.
Referenced by addVeto(), and removeVeto().
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private |
The ShowerTree for the decays.
Definition at line 625 of file QTildeShowerHandler.h.
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private |
The ShowerTrees for which the initial shower.
Definition at line 630 of file QTildeShowerHandler.h.
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private |
Stuff from the ShowerHandler.
The ShowerTree for the hard process
Definition at line 620 of file QTildeShowerHandler.h.
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private |
The option for wqhich interactions to use.
Definition at line 773 of file QTildeShowerHandler.h.
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private |
The relevant hard scale to be used in the profile scales.
Definition at line 810 of file QTildeShowerHandler.h.
Referenced by hardScale().