Models/Sextet/SextetFFVVertex.h

0001 // -*- C++ -*-
0002 #ifndef HERWIG_SextetFFVVertex_H
0003 #define HERWIG_SextetFFVVertex_H
0004 //
0005 // This is the declaration of the SextetFFVVertex class.
0006 //
0007
0008 #include "ThePEG/Helicity/Vertex/Vector/FFVVertex.h"
0009
0010 namespace Herwig {
0011
0012 using namespace ThePEG;
0013
0014 /**
0015  * Here is the documentation of the SextetFFVVertex class.
0016  *
0017  * @see \ref SextetFFVVertexInterfaces "The interfaces"
0018  * defined for SextetFFVVertex.
0019  */
0020   class SextetFFVVertex: public Helicity::FFVVertex {
0021
0022 public:
0023
0024   /**
0025    * The default constructor.
0026    */
0027   SextetFFVVertex() {
0028     colourStructure(ColourStructure::SU3K6);
0029   }
0030
0031   /**
0032    * Calculate the couplings.
0033    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0034    * @param part1 The ParticleData pointer for the first  particle.
0035    * @param part2 The ParticleData pointer for the second particle.
0036    * @param part3 The ParticleData pointer for the third  particle.
0037    */
0038   virtual void setCoupling(Energy2 q2, tcPDPtr part1,
0039                            tcPDPtr part2, tcPDPtr part3);
0040
0041 public:
0042
0043   /** @name Functions used by the persistent I/O system. */
0044   //@{
0045   /**
0046    * Function used to write out object persistently.
0047    * @param os the persistent output stream written to.
0048    */
0049   void persistentOutput(PersistentOStream & os) const;
0050
0051   /**
0052    * Function used to read in object persistently.
0053    * @param is the persistent input stream read from.
0054    * @param version the version number of the object when written.
0055    */
0056   void persistentInput(PersistentIStream & is, int version);
0057   //@}
0058
0059   /**
0060    * The standard Init function used to initialize the interfaces.
0061    * Called exactly once for each class by the class description system
0062    * before the main function starts or
0063    * when this class is dynamically loaded.
0064    */
0065   static void Init();
0066
0067 protected:
0068
0069   /** @name Clone Methods. */
0070   //@{
0071   /**
0072    * Make a simple clone of this object.
0073    * @return a pointer to the new object.
0074    */
0075   virtual IBPtr clone() const;
0076
0077   /** Make a clone of this object, possibly modifying the cloned object
0078    * to make it sane.
0079    * @return a pointer to the new object.
0080    */
0081   virtual IBPtr fullclone() const;
0082   //@}
0083
0084 protected:
0085
0086   /** @name Standard Interfaced functions. */
0087   //@{
0088   /**
0089    * Initialize this object after the setup phase before saving an
0090    * EventGenerator to disk.
0091    * @throws InitException if object could not be initialized properly.
0092    */
0093   virtual void doinit();
0094   //@}
0095
0096 private:
0097
0098   /**
0099    * The assignment operator is private and must never be called.
0100    * In fact, it should not even be implemented.
0101    */
0102   SextetFFVVertex & operator=(const SextetFFVVertex &) = delete;
0103
0104 private:
0105
0106   /**
0107    *   The various couplings
0108    */
0109   //@{
0110   /**
0111    * The \f$SU(2)\f$ quark-doublet coupling to \f$\Phi_{6,2,-1/6}\f$
0112    */
0113     vector<double> g2_;
0114
0115     /**
0116    * The \f$SU(2)\f$ singlet coupling to \f$\Phi_{6,2,5/6}\f$
0117    */
0118     vector<double> g2p_;
0119
0120   //@}
0121
0122   };
0123
0124 }
0125
0126 #endif /* HERWIG_SextetFFVVertex_H */