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PYTHIA
8.312
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Public Member Functions | |
| Dire (MergingHooksPtr mergingHooksPtrIn, PartonVertexPtr partonVertexPtrIn) | |
| void | onBeginEvent () override |
| void | onEndEvent (PhysicsBase::Status status) override |
| void | createPointers () |
| The Dire wrapper class. More... | |
| bool | init (MergingPtr, MergingHooksPtr, PartonVertexPtr, WeightContainer *) override |
| bool | initAfterBeams () override |
| bool Dire::init(BeamParticle* beamA, BeamParticle* beamB) { More... | |
| void | initTune () |
| void | initShowersAndWeights () |
| void | setup (BeamParticle *beamA, BeamParticle *beamB) |
| void | printBanner () |
| TimeShowerPtr | getTimeShower () const override |
| Access the pointers to the different model components. | |
| TimeShowerPtr | getTimeDecShower () const override |
| SpaceShowerPtr | getSpaceShower () const override |
| MergingHooksPtr | getMergingHooks () const override |
| MergingPtr | getMerging () const override |
 Public Member Functions inherited from ShowerModel | |
| ShowerModel ()=default | |
| Empty constructor. | |
| virtual | ~ShowerModel () |
| Empty virtual destructor. | |
| Public Member Functions inherited from PhysicsBase | |
| void | initInfoPtr (Info &infoPtrIn) |
| This function is called from above for physics objects used in a run. More... | |
| virtual | ~PhysicsBase () |
| Empty virtual destructor. | |
| bool | flag (string key) const |
| Shorthand to read settings values. | |
| int | mode (string key) const |
| double | parm (string key) const |
| string | word (string key) const |
| vector< bool > | fvec (string key) const |
| vector< int > | mvec (string key) const |
| vector< double > | pvec (string key) const |
| vector< string > | wvec (string key) const |
Public Attributes | |
| MergingHooksPtr | pythiaMergingHooksPtr |
| PartonVertexPtr | partonVertexPtr |
| DireWeightContainer * | weightsPtr |
| shared_ptr< DireTimes > | timesPtr |
| shared_ptr< DireTimes > | timesDecPtr |
| shared_ptr< DireSpace > | spacePtr |
| DireSplittingLibrary * | splittings |
| DireHooks * | hooksPtr |
| DireInfo | direInfo |
| shared_ptr< DireMerging > | mergingPtr |
| Pointer to Dire merging objects. | |
| DireHardProcess * | hardProcessPtr |
| shared_ptr< DireMergingHooks > | mergingHooksPtr |
| bool | hasOwnWeights |
| bool | hasOwnTimes |
| bool | hasOwnTimesDec |
| bool | hasOwnSpace |
| bool | hasOwnSplittings |
| bool | hasOwnHooks |
| bool | hasUserHooks |
| bool | hasOwnHardProcess |
| bool | hasOwnMergingHooks |
| bool | initNewSettings |
| bool | isInit |
| bool | isInitShower |
| bool | printBannerSave |
Additional Inherited Members | |
| Public Types inherited from PhysicsBase | |
| enum | Status { INCOMPLETE = -1, COMPLETE = 0, CONSTRUCTOR_FAILED, INIT_FAILED, LHEF_END, LOWENERGY_FAILED, PROCESSLEVEL_FAILED, PROCESSLEVEL_USERVETO, MERGING_FAILED, PARTONLEVEL_FAILED, PARTONLEVEL_USERVETO, HADRONLEVEL_FAILED, CHECK_FAILED, OTHER_UNPHYSICAL, HEAVYION_FAILED, HADRONLEVEL_USERVETO } |
| Enumerate the different status codes the event generation can have. | |
| Protected Member Functions inherited from PhysicsBase | |
| PhysicsBase () | |
| Default constructor. | |
| virtual void | onInitInfoPtr () |
| virtual void | onStat () |
| This function is called from the Pythia::stat() call. | |
| void | registerSubObject (PhysicsBase &pb) |
| Register a sub object that should have its information in sync with this. | |
| Protected Attributes inherited from ShowerModel | |
| TimeShowerPtr | timesPtr {} |
| The object responsible for generating time-like showers. | |
| TimeShowerPtr | timesDecPtr {} |
| The object responsible for generating time-like showers in decays. | |
| SpaceShowerPtr | spacePtr {} |
| The object responsible for generating space-like showers. | |
| MergingPtr | mergingPtr {} |
| The object responsible for merging with matrix elements. | |
| MergingHooksPtr | mergingHooksPtr {} |
| The object responsible for user modifications to the merging. | |
| Protected Attributes inherited from PhysicsBase | |
| Info * | infoPtr = {} |
| Settings * | settingsPtr = {} |
| Pointer to the settings database. | |
| ParticleData * | particleDataPtr = {} |
| Pointer to the particle data table. | |
| Logger * | loggerPtr = {} |
| Pointer to logger. | |
| HadronWidths * | hadronWidthsPtr = {} |
| Pointer to the hadron widths data table. | |
| Rndm * | rndmPtr = {} |
| Pointer to the random number generator. | |
| CoupSM * | coupSMPtr = {} |
| Pointers to SM and SUSY couplings. | |
| CoupSUSY * | coupSUSYPtr = {} |
| BeamSetup * | beamSetupPtr = {} |
| BeamParticle * | beamAPtr = {} |
| BeamParticle * | beamBPtr = {} |
| BeamParticle * | beamPomAPtr = {} |
| BeamParticle * | beamPomBPtr = {} |
| BeamParticle * | beamGamAPtr = {} |
| BeamParticle * | beamGamBPtr = {} |
| BeamParticle * | beamVMDAPtr = {} |
| BeamParticle * | beamVMDBPtr = {} |
| PartonSystems * | partonSystemsPtr = {} |
| Pointer to information on subcollision parton locations. | |
| SigmaTotal * | sigmaTotPtr = {} |
| Pointers to the total/elastic/diffractive cross sections. | |
| SigmaCombined * | sigmaCmbPtr = {} |
| set< PhysicsBase * > | subObjects |
| UserHooksPtr | userHooksPtr |
| void createPointers | ( | ) |
The Dire wrapper class.
Construct showers.
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inlineoverridevirtual |
Initialization function called before beams are set up. Currently only to register objects as PhysicsBase (=initialize ptrs).
Implements ShowerModel.
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overridevirtual |
bool Dire::init(BeamParticle* beamA, BeamParticle* beamB) {
Initialization function called after beams are set up, used as main initialization.
Construct showers.
Initialize Dire tune settings.
No QED radiation by default until properly validated
Setup weight container (after user-defined enhance factors have been read)
Implements ShowerModel.
| void initShowersAndWeights | ( | ) |
Construct showers.
| void initTune | ( | ) |
Get tune id.
Default tune.
Preliminary Professor tune, dated 2017-10-10. To be used with: PDF:pSet = LHAPDF6:MMHT2014nlo68cl PDF:pHardSet = LHAPDF6:MMHT2014nlo68cl TimeShower:alphaSvalue = 0.1201 SpaceShower:alphaSvalue = 0.1201 ShowerPDF:usePDFalphas = on ShowerPDF:useSummedPDF = on DireSpace:forceMassiveMap = on ShowerPDF:usePDFmasses = off
Tuned hadronization from e+e- data
Tuned MPI and primordial kT to LHC data (UE in dijets + Drell-Yan pT).
For new U(1) splittings, teach Pythia new particles, if not already read from input file.
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inlineoverridevirtual |
Flexible-use call at the beginning of each event in pythia.next(). Currently not used, but should be used for clearing some internal bookkeeping that is otherewise reset in shower prepare functions.
Reimplemented from PhysicsBase.
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inlineoverridevirtual |
Flexible-use call at the end of each event in pythia.next(). Currently only to accumulate shower weights.
No finalize in case of failure.
Update the event weight by the Dire shower weight when relevant. Retrieve the shower weight.
Multiply the shower weight to the event weight.
Reimplemented from PhysicsBase.
| void setup | ( | BeamParticle * | beamA, |
| BeamParticle * | beamB | ||
| ) |
Initialise library of splitting functions.
If Pythia has, for ominous reasons, not initialized the spacelike shower, retry to initialize from timelike shower beams.
Reinitialise showers to ensure that pointers are correctly set.
Reset Pythia masses if necessary.
Try to get masses from the hadron beams.
If there are no hadron beams, get the masses from either beam.
Switch off all showering and MPI when estimating the cross section,
Initialise splitting function library here so that beam pointers are already correctly initialised.
Feed the splitting functions to the showers.
Initialize splittings in showers again (!), now that splittings are properly set up.
1.8.11
