Susy/NMSSM/NMSSMWHHVertex.h

0001 // -*- C++ -*-
0002 #ifndef HERWIG_NMSSMWHHVertex_H
0003 #define HERWIG_NMSSMWHHVertex_H
0004 //
0005 // This is the declaration of the NMSSMWHHVertex class.
0006 //
0007
0008 #include "ThePEG/Helicity/Vertex/Scalar/VSSVertex.h"
0009 #include "Herwig/Models/Susy/MixingMatrix.h"
0010
0011 namespace Herwig {
0012
0013 using namespace ThePEG;
0014 using namespace ThePEG::Helicity;
0015
0016 /**
0017  * The NMSSMWHHVertex class implements the coupling of an electroweak"
0018  * gauge boson with two Higgs bosons in the NMSSM.
0019  *
0020  * @see \ref NMSSMWHHVertexInterfaces "The interfaces"
0021  * defined for NMSSMWHHVertex.
0022  */
0023 class NMSSMWHHVertex: public VSSVertex {
0024
0025 public:
0026
0027   /**
0028    * The default constructor.
0029    */
0030   NMSSMWHHVertex();
0031
0032   /** @name Functions used by the persistent I/O system. */
0033   //@{
0034   /**
0035    * Function used to write out object persistently.
0036    * @param os the persistent output stream written to.
0037    */
0038   void persistentOutput(PersistentOStream & os) const;
0039
0040   /**
0041    * Function used to read in object persistently.
0042    * @param is the persistent input stream read from.
0043    * @param version the version number of the object when written.
0044    */
0045   void persistentInput(PersistentIStream & is, int version);
0046   //@}
0047
0048   /**
0049    * The standard Init function used to initialize the interfaces.
0050    * Called exactly once for each class by the class description system
0051    * before the main function starts or
0052    * when this class is dynamically loaded.
0053    */
0054   static void Init();
0055
0056   /**
0057    * Calculate the couplings. This method is virtual and must be implemented in
0058    * classes inheriting from this.
0059    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0060    * @param part1 The ParticleData pointer for the first  particle.
0061    * @param part2 The ParticleData pointer for the second particle.
0062    * @param part3 The ParticleData pointer for the third  particle.
0063    */
0064   virtual void setCoupling(Energy2 q2,tcPDPtr part1,tcPDPtr part2,tcPDPtr part3);
0065
0066 protected:
0067
0068   /** @name Clone Methods. */
0069   //@{
0070   /**
0071    * Make a simple clone of this object.
0072    * @return a pointer to the new object.
0073    */
0074   virtual IBPtr clone() const {return new_ptr(*this);}
0075
0076   /** Make a clone of this object, possibly modifying the cloned object
0077    * to make it sane.
0078    * @return a pointer to the new object.
0079    */
0080   virtual IBPtr fullclone() const {return new_ptr(*this);}
0081   //@}
0082
0083 protected:
0084
0085   /** @name Standard Interfaced functions. */
0086   //@{
0087   /**
0088    * Initialize this object after the setup phase before saving an
0089    * EventGenerator to disk.
0090    */
0091   virtual void doinit();
0092   //@}
0093
0094 private:
0095
0096   /**
0097    * The assignment operator is private and must never be called.
0098    * In fact, it should not even be implemented.
0099    */
0100   NMSSMWHHVertex & operator=(const NMSSMWHHVertex &) = delete;
0101
0102 private:
0103
0104   /**
0105    * \f$\sin\beta\f$
0106    */
0107   double _sinb;
0108
0109   /**
0110    * \f$\cos\beta\f$
0111    */
0112   double _cosb;
0113
0114   /**
0115    * \f$\sin\theta_W\f$
0116    */
0117   double _sw;
0118
0119   /**
0120    * \f$\cos\theta_W\f$
0121    */
0122   double _cw;
0123
0124   /**
0125    *  The last \f$q^2\f$ the coupling was evaluated at.
0126    */
0127   Energy2 _q2last;
0128
0129   /**
0130    *  The last value of the coupling
0131    */
0132   double _couplast;
0133
0134   /**
0135    *  Mixing matrix for the CP-even Higgs bosons
0136    */
0137   MixingMatrixPtr _mixS;
0138
0139   /**
0140    *  Mixing matrix for the CP-odd  Higgs bosons
0141    */
0142   MixingMatrixPtr _mixP;
0143
0144 };
0145 }
0146
0147
0148 #endif /* HERWIG_NMSSMWHHVertex_H */