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PYTHIA
8.312
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#include <HISubCollisionModel.h>
Public Member Functions | |
| LogNormalSubCollisionModel (int modeIn=0) | |
| The default constructor simply lists the nucleon-nucleon cross sections. | |
| virtual | ~LogNormalSubCollisionModel () |
| Virtual destructor. | |
| vector< double > | minParm () const override |
| virtual SigEst getSig() const override; More... | |
| vector< double > | defParm () const override |
| Get the default parameter values for this model. | |
| vector< double > | maxParm () const override |
| Get the maximum allowed parameter values for this model. | |
 Public Member Functions inherited from FluctuatingSubCollisionModel | |
| FluctuatingSubCollisionModel (int nParmIn, int modein) | |
| The default constructor simply lists the nucleon-nucleon cross sections. | |
| virtual | ~FluctuatingSubCollisionModel () override |
| Virtual destructor. | |
| virtual SubCollisionSet | getCollisions (Nucleus &proj, Nucleus &targ) override |
| Main function returning the possible sub-collisions. More... | |
| virtual SigEst | getSig () const override |
| Calculate the cross sections for the given set of parameters. More... | |
| Public Member Functions inherited from SubCollisionModel | |
| SubCollisionModel (int nParm) | |
| The default constructor is empty. | |
| virtual | ~SubCollisionModel () |
| Virtual destructor. | |
| virtual bool | init (int idAIn, int idBIn, double eCMIn) |
| Virtual init method. More... | |
| void | initPtr (NucleusModel &projIn, NucleusModel &targIn, SigmaTotal &sigTotIn, Settings &settingsIn, Info &infoIn, Rndm &rndmIn) |
| Initialize the pointers. | |
| double | sigTot () const |
| The target total nucleon-nucleon cross section. More... | |
| double | sigEl () const |
| The target elastic cross section. | |
| double | sigCDE () const |
| The target central diffractive excitation cross section. | |
| double | sigSDE () const |
| The target single diffractive excitation cross section (both sides). | |
| double | sigSDEP () const |
| The target single diffractive excitation cross section (projectile). | |
| double | sigSDET () const |
| The target single diffractive excitation cross section (target). | |
| double | sigDDE () const |
| The target double diffractive excitation cross section. | |
| double | sigND () const |
| The target non-diffractive (absorptive) cross section. | |
| double | bSlope () const |
| The target elastic b-slope parameter. | |
| double | avNDB () const |
| Return the average non-diffractive impact parameter. | |
| void | updateSig () |
| Update internally stored cross sections. More... | |
| double | Chi2 (const SigEst &sigs, int npar) const |
| Calculate the Chi2 for the given cross section estimates. More... | |
| void | setKinematics (double eCMIn) |
| Set beam kinematics. More... | |
| void | setIDA (int idA) |
| Set projectile particle. | |
| bool | evolve (int nGenerations, double eCM) |
| Use a genetic algorithm to fit the parameters. More... | |
| int | nParms () const |
| Get the number of free parameters for the model. | |
| void | setParm (const vector< double > &parmIn) |
| Set the parameters of this model. | |
| vector< double > | getParm () const |
| Get the current parameters of this model. | |
Protected Member Functions | |
| double | pickRadiusProj () const override |
| Pick a radius for the nucleon, depending on the specific model. | |
| double | pickRadiusTarg () const override |
Additional Inherited Members | |
| Static Public Member Functions inherited from SubCollisionModel | |
| static shared_ptr< SubCollisionModel > | create (int model) |
| Create a new SubCollisionModel of the given model. More... | |
| Protected Attributes inherited from SubCollisionModel | |
| vector< double > | parmSave |
| Saved parameters. | |
| int | NInt |
| int | NPop |
| double | sigFuzz |
| double | impactFudge |
| bool | fitPrint |
| double | avNDb |
| NucleusModel * | projPtr |
| Info from the controlling HeavyIons object. | |
| NucleusModel * | targPtr |
| SigmaTotal * | sigTotPtr |
| Settings * | settingsPtr |
| Info * | infoPtr |
| Rndm * | rndmPtr |
| Logger * | loggerPtr |
| int | idASave |
| For variable energies. | |
| int | idBSave |
| bool | doVarECM |
| bool | doVarBeams |
| double | eMin |
| double | eMax |
| double | eSave |
| int | eCMPts |
| vector< int > | idAList |
| The list of particles that have been fitted. | |
| vector< LogInterpolator > * | subCollParms |
| map< int, vector< LogInterpolator > > | subCollParmsMap |
| Mapping id -> interpolator, one entry for each particle. | |
A sub-collision model where each nucleon fluctuates independently according to a log-normal distribution. Nucleons in the projectile and target may fluctuate according to different parameters, which is relevant e.g. for hadron-ion collisions with generic hadron species.
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inlineoverridevirtual |
virtual SigEst getSig() const override;
Get the minimum and maximum allowed parameter values for this model.
Implements SubCollisionModel.
1.8.11
