Models/Susy/SSGVNHVertex.h

0001 // -*- C++ -*-
0002 #ifndef HERWIG_SSGVNHVertex_H
0003 #define HERWIG_SSGVNHVertex_H
0004 //
0005 // This is the declaration of the SSGVNHVertex class.
0006 //
0007
0008 #include "ThePEG/Helicity/Vertex/Scalar/RFSVertex.h"
0009 #include "MixingMatrix.h"
0010
0011 namespace Herwig {
0012
0013 using namespace ThePEG;
0014
0015 /**
0016  * The SSGVNHVertex class implements the coupling of the gravitino to
0017  * a neutralino and Higgs boson.
0018  *
0019  * @see \ref SSGVNHVertexInterfaces "The interfaces"
0020  * defined for SSGVNHVertex.
0021  */
0022 class SSGVNHVertex: public Helicity::RFSVertex {
0023
0024 public:
0025
0026   /**
0027    * The default constructor.
0028    */
0029   SSGVNHVertex();
0030
0031   /**
0032    * Calculate the couplings. This method is virtual and must be implemented in
0033    * classes inheriting from this.
0034    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0035    * @param part1 The ParticleData pointer for the first  particle.
0036    * @param part2 The ParticleData pointer for the second particle.
0037    * @param part3 The ParticleData pointer for the third  particle.
0038    */
0039   virtual void setCoupling(Energy2 q2,tcPDPtr part1,
0040                tcPDPtr part2,tcPDPtr part3);
0041
0042   /** @name Functions used by the persistent I/O system. */
0043   //@{
0044   /**
0045    * Function used to write out object persistently.
0046    * @param os the persistent output stream written to.
0047    */
0048   void persistentOutput(PersistentOStream & os) const;
0049
0050   /**
0051    * Function used to read in object persistently.
0052    * @param is the persistent input stream read from.
0053    * @param version the version number of the object when written.
0054    */
0055   void persistentInput(PersistentIStream & is, int version);
0056   //@}
0057
0058   /**
0059    * The standard Init function used to initialize the interfaces.
0060    * Called exactly once for each class by the class description system
0061    * before the main function starts or
0062    * when this class is dynamically loaded.
0063    */
0064   static void Init();
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;
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;
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    * @throws InitException if object could not be initialized properly.
0091    */
0092   virtual void doinit();
0093   //@}
0094
0095 private:
0096
0097   /**
0098    * The assignment operator is private and must never be called.
0099    * In fact, it should not even be implemented.
0100    */
0101   SSGVNHVertex & operator=(const SSGVNHVertex &) = delete;
0102
0103 private:
0104
0105   /**
0106    * The value of \f$\sin\alpha\f$
0107    */
0108   double sa_;
0109
0110   /**
0111    * The value of \f$\sin\beta\f$
0112    */
0113   double sb_;
0114
0115   /**
0116    * The value of \f$\cos\alpha\f$
0117    */
0118   double ca_;
0119
0120   /**
0121    * The value of \f$\cos\beta\f$
0122    */
0123   double cb_;
0124
0125   /**
0126    * Pointer to the neutralino mixing matrix
0127    */
0128   tMixingMatrixPtr nmix_;
0129
0130   /**
0131    *  The Planck mass
0132    */
0133   Energy MPlanck_;
0134
0135 };
0136
0137 }
0138
0139 #endif /* HERWIG_SSGVNHVertex_H */