#include <Pythia6PartonPtGun.h>

Inheritance diagram for gen::Pythia6PartonPtGun:

Public Member Functions
	Pythia6PartonPtGun (const edm::ParameterSet &)

virtual	~Pythia6PartonPtGun ()

Public Member Functions inherited from gen::Pythia6PartonGun
	Pythia6PartonGun (const edm::ParameterSet &)

virtual	~Pythia6PartonGun ()

Public Member Functions inherited from gen::Pythia6Gun
void	beginJob () override

void	beginLuminosityBlock (edm::LuminosityBlock const &, edm::EventSetup const &) override

void	beginRun (edm::Run const &, edm::EventSetup const &) override

void	endRun (edm::Run const &, edm::EventSetup const &) override

void	produce (edm::Event &, const edm::EventSetup &) override

	Pythia6Gun (const edm::ParameterSet &)

virtual	~Pythia6Gun ()

Public Member Functions inherited from edm::EDProducer
	EDProducer ()

ModuleDescription const &	moduleDescription () const

	~EDProducer () override

Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)

std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const

	ProducerBase ()

std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const

void	registerProducts (ProducerBase , ProductRegistry , ModuleDescription const &)

std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...

void	resolvePutIndicies (BranchType iBranchType, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)

virtual	~ProducerBase () noexcept(false)

Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const

void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...

	EDConsumerBase ()

	EDConsumerBase (EDConsumerBase const &)=delete

	EDConsumerBase (EDConsumerBase &&)=default

ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const

void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const

std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const

void	labelsForToken (EDGetToken iToken, Labels &oLabels) const

void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const

EDConsumerBase const &	operator= (EDConsumerBase const &)=delete

EDConsumerBase &	operator= (EDConsumerBase &&)=default

bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const

bool	registeredToConsumeMany (TypeID const &, BranchType) const

void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)

virtual	~EDConsumerBase () noexcept(false)

Protected Member Functions
void	generateEvent (CLHEP::HepRandomEngine *)

Protected Member Functions inherited from gen::Pythia6PartonGun
void	joinPartons (double qmax)

Protected Member Functions inherited from gen::Pythia6Gun
HepMC::GenParticle *	addAntiParticle (int &, int &, double &, double &, double &)

void	attachPy6DecaysToGenEvent ()

void	loadEvent (edm::Event &)

Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)

EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)

ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...

template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()

void	consumesMany (const TypeToGet &id)

template<BranchType B>
void	consumesMany (const TypeToGet &id)

template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)

EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Private Attributes
double	fMaxEta

double	fMaxPt

double	fMinEta

double	fMinPt

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType

Public Types inherited from edm::ProducerBase
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const , const char , edm::ProductResolverIndex >>

typedef ProductRegistryHelper::TypeLabelList	TypeLabelList

Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels

Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Protected Attributes inherited from gen::Pythia6PartonGun
int	fPartonID

Protected Attributes inherited from gen::Pythia6Gun
HepMC::GenEvent *	fEvt

bool	fHepMCVerbosity

int	fMaxEventsToPrint

double	fMaxPhi

double	fMinPhi

std::vector< int >	fPartIDs

Pythia6Service *	fPy6Service

int	fPylistVerbosity

Detailed Description

Definition at line 12 of file Pythia6PartonPtGun.h.

Constructor & Destructor Documentation

Pythia6PartonPtGun::Pythia6PartonPtGun ( const edm::ParameterSet & pset )

Definition at line 18 of file Pythia6PartonPtGun.cc.

References fMaxEta, fMaxPt, fMinEta, fMinPt, and edm::ParameterSet::getParameter().

                                                                  :
    Pythia6PartonGun(pset)
 {
    
    // ParameterSet defpset ;
    ParameterSet pgun_params = 
       pset.getParameter<ParameterSet>("PGunParameters"); //, defpset ) ;
    fMinEta     = pgun_params.getParameter<double>("MinEta"); // ,-2.2);
    fMaxEta     = pgun_params.getParameter<double>("MaxEta"); // , 2.2);
    fMinPt       = pgun_params.getParameter<double>("MinPt"); // ,  20.);
    fMaxPt       = pgun_params.getParameter<double>("MaxPt"); // , 420.);
 
 }

Pythia6PartonPtGun::~Pythia6PartonPtGun ( )

virtual

Definition at line 32 of file Pythia6PartonPtGun.cc.

33 {

34 }

Member Function Documentation

void Pythia6PartonPtGun::generateEvent ( CLHEP::HepRandomEngine * )

protectedvirtual

Implements gen::Pythia6Gun.

Definition at line 36 of file Pythia6PartonPtGun.cc.

References gen::Pythia6Gun::addAntiParticle(), DEFINE_FWK_MODULE, PVValHelper::eta, JetChargeProducer_cfi::exp, gen::Pythia6Gun::fEvt, fMaxEta, gen::Pythia6Gun::fMaxPhi, fMaxPt, fMinEta, gen::Pythia6Gun::fMinPhi, fMinPt, gen::Pythia6PartonGun::fPartonID, gen::Pythia6Gun::fPy6Service, GenParticle::GenParticle, gen::Pythia6PartonGun::joinPartons(), ResonanceBuilder::mass, gen::p, EnergyCorrector::pt, gen::py1ent_(), gen::pyexec_(), gen::pymass_(), gen::pyr_(), funct::sin(), and mathSSE::sqrt().

 {
    
    Pythia6Service::InstanceWrapper guard(fPy6Service);  // grab Py6 instance
 
    // now actualy, start cooking up the event gun 
    //
 
    // 1st, primary vertex
    //
    HepMC::GenVertex* Vtx = new HepMC::GenVertex( HepMC::FourVector(0.,0.,0.));
 
    // here re-create fEvt (memory)
    //
    fEvt = new HepMC::GenEvent() ;
      
    int ip=1;
    
    int py6PID = HepPID::translatePDTtoPythia( fPartonID );
    int dum = 0;
    double pt=0, mom=0, ee=0, the=0, eta=0;
    double mass = pymass_(py6PID);
      
    // fill p(ip,5) (in PYJETS) with mass value right now, 
    // because the (hardcoded) mstu(10)=1 will make py1ent
    // pick the mass from there
    pyjets.p[4][ip-1]=mass; 
          
    double phi = (fMaxPhi-fMinPhi)*pyr_(&dum)+fMinPhi;
 
    eta  = (fMaxEta-fMinEta)*pyr_(&dum)+fMinEta;                                                      
 
    the  = 2.*atan(exp(-eta));                                                                          
      
    pt = (fMaxPt-fMinPt)*pyr_(&dum)+fMinPt;
      
    mom = pt/sin(the);
    ee = sqrt(mom*mom+mass*mass);
 
    py1ent_(ip, py6PID, ee, the, phi);
      
    double px     = pyjets.p[0][ip-1]; // pt*cos(phi) ;
    double py     = pyjets.p[1][ip-1]; // pt*sin(phi) ;
    double pz     = pyjets.p[2][ip-1]; // mom*cos(the) ;
          
    HepMC::FourVector p(px,py,pz,ee) ;
    HepMC::GenParticle* Part = new HepMC::GenParticle(p,fPartonID,1);
    Part->suggest_barcode( ip ) ;
    Vtx->add_particle_out(Part);
      
    // now add anti-quark
    ip = ip + 1;   
    HepMC::GenParticle* APart = addAntiParticle( ip, fPartonID, ee, eta, phi );   
    if ( APart ) 
    {
       Vtx->add_particle_out(APart) ;
    }
    else
    {
       // otherwise it should throw !
    }        
 
    // this should probably be configurable...
    //
    double qmax = 2.*ee;
    
    joinPartons( qmax );
          
    fEvt->add_vertex(Vtx);
      
    // run pythia
    pyexec_();
    
    return;
 }