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PYTHIA
8.312
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Public Member Functions | |
| Dire_fsr_qcd_G2QQ1 (string idIn, int softRS, Settings *settings, ParticleData *particleData, Rndm *rndm, BeamParticle *beamA, BeamParticle *beamB, CoupSM *coupSM, Info *info, DireInfo *direInfo) | |
| bool | canRadiate (const Event &, pair< int, int >, unordered_map< string, bool >=unordered_map< string, bool >(), Settings *=NULL, PartonSystems *=NULL, BeamParticle *=NULL) |
| Class inheriting from SplittingQCD class. More... | |
| bool | canRadiate (const Event &, int iRadBef, int iRecBef, Settings *=NULL, PartonSystems *=NULL, BeamParticle *=NULL) |
| int | nEmissions () |
| bool | isPartial () |
| int | kinMap () |
| int | motherID (int idDaughter) |
| Return id of mother after splitting. | |
| int | sisterID (int idDaughter) |
| Return id of emission. More... | |
| int | radBefID (int idRadAfter, int idEmtAfter) |
| Return id of recombined radiator (before splitting!) | |
| vector< int > | recPositions (const Event &, int, int) |
| pair< int, int > | radBefCols (int colRadAfter, int acolRadAfter, int colEmtAfter, int acolEmtAfter) |
| Return colours of recombined radiator (before splitting!) | |
| double | gaugeFactor (int=0, int=0) |
| Use 1 as dummy variable. | |
| double | symmetryFactor (int=0, int=0) |
| Return symmetry factor for splitting. | |
| double | zSplit (double zMinAbs, double zMaxAbs, double m2dip) |
| Pick z for new splitting. | |
| double | overestimateInt (double zMinAbs, double zMaxAbs, double pT2Old, double m2dip, int order=-1) |
| New overestimates, z-integrated versions. | |
| double | overestimateDiff (double z, double m2dip, int order=-1) |
| Return kernel for new splitting. More... | |
| bool | calc (const Event &state=Event(), int order=-1) |
| Functions to calculate the kernel from SplitInfo information. More... | |
 Public Member Functions inherited from DireSplittingQCD | |
| DireSplittingQCD (string idIn, int softRS, Settings *settings, ParticleData *particleData, Rndm *rndm, BeamParticle *beamA, BeamParticle *beamB, CoupSM *coupSM, Info *info, DireInfo *direInfo) | |
| Constructor and destructor. | |
| void | init () |
| double | getNF (double pT2) |
| AUXILIARY FUNCTIONS. More... | |
| double | GammaQCD2 (double NF=5.) |
| double | GammaQCD3 (double NF=5.) |
| double | betaQCD0 (double NF=5.) |
| double | betaQCD1 (double NF=5.) |
| double | betaQCD2 (double NF=5.) |
| double | as2Pi (double pT2, int orderNow=-1, double renormMultFacNow=-1.) |
| double | softRescaleInt (int order) |
| double | softRescaleDiff (int order, double pT2, double renormMultFacNow=-1.) |
| double | beta0Endpoint (int order, double m2dip, double pT2, double z, double renormMultFacNow=-1.) |
| double | polevl (double x, double *coef, int N) |
| Helper function to calculate dilogarithm. | |
| double | DiLog (double x) |
| Function to calculate dilogarithm. | |
| vector< int > | sharedColor (const Event &event, int iRad, int iRec) |
| bool | hasSharedColor (const Event &event, int iRad, int iRec) |
| int | findCol (int col, vector< int > iExc, const Event &, int type) |
| bool | useFastFunctions () |
| virtual vector< int > | radAndEmt (int idDaughter, int) |
| virtual int | couplingType (int, int) |
| virtual double | coupling (double z, double pT2, double m2dip, double renormMultFacNow=-1., pair< int, bool > radBef=pair< int, bool >(), pair< int, bool > recBef=pair< int, bool >()) |
| virtual double | couplingScale2 (double z, double pT2, double m2dip, pair< int, bool > radBef, pair< int, bool > recBef) |
| virtual double | getJacobian (const Event &=Event(), PartonSystems *partonSystems=0) |
| virtual unordered_map< string, double > | getPhasespaceVars (const Event &=Event(), PartonSystems *=0) |
| double | sCoef (int powz) |
| double | sExp (int powz) |
| double | kCoef (int powz) |
| double | kExp (int powz) |
| double | cCoef (int powz) |
| double | cExp (int powz) |
| double | fCoef () |
| bool | hasMECBef (const Event &state, double pT2) |
| bool | hasMECAft (const Event &state, double pT2) |
| Public Member Functions inherited from DireSplitting | |
| DireSplitting () | |
| Constructor and destructor. | |
| DireSplitting (string idIn, int softRS, Settings *settings, ParticleData *particleData, Rndm *rndm, BeamParticle *beamA, BeamParticle *beamB, CoupSM *coupSMPtrIn, Info *infoPtrIn, DireInfo *direInfo) | |
| void | init () |
| The Splitting class. | |
| bool | is (ulong pattern) |
| string | name () |
| virtual bool | aboveCutoff (double, const Particle &, const Particle &, int, PartonSystems *=NULL) |
| Discard below the cut-off for the splitting. | |
| virtual vector< pair< int, int > > | radAndEmtCols (int, int, Event) |
| virtual bool | canUseForBranching () |
| virtual bool | swapRadEmt () |
| virtual bool | isSymmetric (const Particle *=NULL, const Particle *=NULL) |
| virtual double | getKernel (string="") |
| Functions to store and retrieve all the variants of the kernel. | |
| virtual unordered_map< string, double > | getKernelVals () |
| virtual void | clearKernels () |
| void | setTimesPtr (shared_ptr< DireTimes > fsrIn) |
| void | setTimesDecPtr (shared_ptr< DireTimes > fsrIn) |
| void | setSpacePtr (shared_ptr< DireSpace > isrIn) |
| virtual bool | allow_z_endpoint_for_kinematics () |
| Treatment of additional virtual corrections. | |
| virtual bool | allow_pT2_endpoint_for_kinematics () |
| virtual bool | allow_sai_endpoint_for_kinematics () |
| virtual bool | allow_xa_endpoint_for_kinematics () |
| virtual void | try_z_endpoint () |
| Functions to set if kernel should contribute to a kinematical endpoint. | |
| virtual void | try_pT2_endpoint () |
| virtual void | try_sai_endpoint () |
| virtual void | try_xa_endpoint () |
| virtual bool | is_z_endpoint () |
| Return endpoint information. | |
| virtual bool | is_pT2_endpoint () |
| virtual bool | is_sai_endpoint () |
| virtual bool | is_xa_endpoint () |
| virtual double | tdire_ff (double, double t, double) |
| Functions to calculate Dire variables from the evolution variables. | |
| virtual double | zdire_ff (double z, double, double) |
| virtual double | tdire_fi (double, double t, double) |
| virtual double | zdire_fi (double z, double, double) |
| virtual double | tdire_if (double, double t, double) |
| virtual double | zdire_if (double z, double, double) |
| virtual double | tdire_ii (double, double t, double) |
| virtual double | zdire_ii (double z, double, double) |
| virtual void | storeOverhead (double pT2, double x, int radid, int nf, double val) |
| virtual double | overhead (double pT2, int idd, int nf) |
Additional Inherited Members | |
| Public Attributes inherited from DireSplittingQCD | |
| double | CA |
| VARIABLES. | |
| double | TR |
| double | CF |
| double | pTmin |
| double | pT2minVariations |
| int | NF_qcd_fsr |
| int | orderSave |
| bool | usePDFalphas |
| bool | doVariations |
| bool | doCorrelations |
| bool | doMECs |
| double | alphaSorder |
| double | alphaS2pi |
| AlphaStrong | alphaS |
| int | asSchemeISR |
| int | asSchemeFSR |
| bool | useBackboneGluons |
| bool | doGeneralizedKernel |
| Public Attributes inherited from DireSplitting | |
| double | renormMultFac |
| string | id |
| int | correctionOrder |
| Settings * | settingsPtr |
| ParticleData * | particleDataPtr |
| Rndm * | rndmPtr |
| BeamParticle * | beamAPtr |
| BeamParticle * | beamBPtr |
| CoupSM * | coupSMPtr |
| Info * | infoPtr |
| DireInfo * | direInfoPtr |
| bool | is_qcd |
| Some short-cuts and string hashes to help avoid string comparisons. | |
| bool | is_qed |
| bool | is_ewk |
| bool | is_fsr |
| bool | is_isr |
| bool | is_dire |
| ulong | nameHash |
| unordered_map< string, double > | kernelVals |
| DireSplitInfo | splitInfo |
| shared_ptr< DireSpace > | isr |
| shared_ptr< DireTimes > | fsr |
| shared_ptr< DireTimes > | fsrDec |
| multimap< double, OverheadInfo > | overhead_map |
| Static Public Attributes inherited from DireSplittingQCD | |
| static const double | SMALL_TEVOL = 2.0 |
| The SplittingQCD class. | |
Functions to calculate the kernel from SplitInfo information.
Return kernel for new splitting.
Dummy statement to avoid compiler warnings.
Read all splitting variables.
If this is a branching of a previous emission, correlate with mother dipole.
Get momenta.
Get other sibling momentum.
Get invariants.
Multiplicative weight factor to force first eikonal to current outgoing momenta.
Uncorrelated g->qq splitting.
Switch off splitting when only considering double log contributions.
Calculate argument of alphaS.
Create muR-variations.
Correction for massive splittings.
splitType == 2 -> Massive FF
Calculate CS variables.
splitType ==-2 -> Massive FI
Calculate CS variables.
Switch off splitting when only considering double log contributions.
Reset kernel for massive splittings.
Add NLO term.
Do not perform variations below a small pT cut.
Replace 1/z in NLO kernel with z/(z*z+kappa2) to restore sum rule. Include additional factor of 0.5 as we have two g->qq kernels.
Add NLO term.
Multiply with z to project out part where emitted quark is soft, and antiquark is identified.
Store higher order correction separately.
Store kernel values.
Reimplemented from DireSplitting.
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virtual |
Class inheriting from SplittingQCD class.
SplittingQCD function G->QQ (FSR) Return true if this kernel should partake in the evolution.
Reimplemented from DireSplitting.
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virtual |
Function to return an identifier for the phase space mapping that is used for setting up this splitting. return values: 1 –> Default Dire mapping. 2 –> Dire 1->3 mapping.
Reimplemented from DireSplitting.
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virtual |
Return kernel for new splitting.
Return overestimate for new splitting.
Reimplemented from DireSplitting.
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virtual |
Return a vector of all possible recoiler positions, given the positions of the radiator and emission after the splitting.
Particles to exclude from colour tracing.
Find partons connected via emitted colour line.
Find partons connected via emitted colour line.
Find partons connected via emitted anticolour line.
Done.
Reimplemented from DireSplitting.
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virtual |
1.8.11
