LundZGenerator.h

// -*- C++ -*-
#ifndef PYTHIA7_LundZGenerator_H
#define PYTHIA7_LundZGenerator_H
// This is the declaration of the LundZGenerator class.

#include "FragConfig.h"
// #include "LundZGenerator.fh"
// #include "LundZGenerator.xh"
#include "ThePEG/Handlers/ZGenerator.h"


namespace Pythia7 {

class LundZGenerator: public ThePEG::ZGenerator {

public:


  inline LundZGenerator();

  inline LundZGenerator(const LundZGenerator &);

  virtual ~LundZGenerator();

public:

  virtual double generate(cPDPtr lastPD, cPDPtr newPD, Energy2 mT2) const;

  inline double aSym() const;

  inline InvEnergy2 bSym() const;

public:


  void persistentOutput(PersistentOStream & os) const;

  void persistentInput(PersistentIStream & is, int version);

  static void Init();


protected:

  virtual void setShape(cPDPtr lastPD, cPDPtr newPD, Energy2 mT2) const;

  inline virtual double rQ(long hf) const;


protected:

  inline virtual IBPtr clone() const;

  inline virtual IBPtr fullclone() const;


protected:

  inline virtual void doupdate() throw(UpdateException);

  inline virtual void doinit() throw(InitException);

  inline virtual void dofinish();

private:

  inline double af() const;

  inline double bf() const;

  inline double cf() const;

  inline bool smallZmax(double zm) const; 

  inline bool largeZmax(double zm) const;   


  inline bool largeZmax(double zm, double bmt2) const;   


  inline bool cCloseToOne() const;

  inline bool cCloseToA() const;

private:

  double asym;         // PARJ(41) 

  InvEnergy2 bsym;     // PARJ(42)


  double deltaDQ;      // PARJ(45) 

  double rQc;          // PARJ(46)


  mutable double bmT2;

  mutable double theAf;

  mutable double theCf;

  static ClassDescription<LundZGenerator> initLundZGenerator;


  LundZGenerator & operator=(const LundZGenerator &);

};

}

namespace ThePEG {

template <>
struct BaseClassTrait<Pythia7::LundZGenerator,1>: public ClassTraitsType {
  typedef ZGenerator NthBase;
};

template <>
struct ClassTraits<Pythia7::LundZGenerator>
  : public ClassTraitsBase<Pythia7::LundZGenerator> {
  static string className() { return "Pythia7::LundZGenerator"; }
  static string library() { return "libP7String.so"; }
};

}

#include "LundZGenerator.icc"
#ifndef PYTHIA7_TEMPLATES_IN_CC_FILE
// #include "LundZGenerator.tcc"
#endif

#endif /* PYTHIA7_LundZGenerator_H */

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