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File indexing completed on 2026-08-06 09:24:19

0001 // -*- C++ -*-
0002 //
0003 // SSGVFSVertex.h is a part of Herwig - A multi-purpose Monte Carlo event generator
0004 // Copyright (C) 2002-2019 The Herwig Collaboration
0005 //
0006 // Herwig is licenced under version 3 of the GPL, see COPYING for details.
0007 // Please respect the MCnet academic guidelines, see GUIDELINES for details.
0008 //
0009 #ifndef HERWIG_SSGVFSVertex_H
0010 #define HERWIG_SSGVFSVertex_H
0011 //
0012 // This is the declaration of the SSGVFSVertex class.
0013 //
0014 
0015 #include "ThePEG/Helicity/Vertex/Scalar/RFSVertex.h"
0016 #include "ThePEG/StandardModel/StandardModelBase.h"
0017 #include "MSSM.h"
0018 
0019 namespace Herwig {
0020 using namespace ThePEG;
0021 
0022 /**
0023  * This is the implementation of the coupling of the gravitino to 
0024  * fermion-sfermions. It inherits from RFSVertex and implements the 
0025  * virtual setCoupling() method.
0026  * 
0027  * @see RFSVertex
0028  */
0029 class SSGVFSVertex: public RFSVertex {
0030 
0031 public:
0032 
0033    /**
0034    * The default constructor.
0035    */
0036   SSGVFSVertex();
0037 
0038  public:
0039 
0040   /** @name Functions used by the persistent I/O system. */
0041   //@{
0042   /**
0043    * Function used to write out object persistently.
0044    * @param os the persistent output stream written to.
0045    */
0046   void persistentOutput(PersistentOStream & os) const;
0047 
0048   /**
0049    * Function used to read in object persistently.
0050    * @param is the persistent input stream read from.
0051    * @param version the version number of the object when written.
0052    */
0053   void persistentInput(PersistentIStream & is, int version);
0054   //@}
0055 
0056   /**
0057    * The standard Init function used to initialize the interfaces.
0058    * Called exactly once for each class by the class description system
0059    * before the main function starts or
0060    * when this class is dynamically loaded.
0061    */
0062   static void Init();
0063 
0064   /**
0065    * Calculate the couplings.
0066    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0067    * @param part1 The ParticleData pointer for the first  particle.
0068    * @param part2 The ParticleData pointer for the second particle.
0069    * @param part3 The ParticleData pointer for the third  particle.
0070    */
0071   virtual void setCoupling(Energy2 q2, tcPDPtr part1,
0072                            tcPDPtr part2, tcPDPtr part3);
0073 
0074 protected:
0075 
0076   /** @name Clone Methods. */
0077   //@{
0078   /**
0079    * Make a simple clone of this object.
0080    * @return a pointer to the new object.
0081    */
0082   virtual IBPtr clone() const {return new_ptr(*this);}
0083 
0084   /** Make a clone of this object, possibly modifying the cloned object
0085    * to make it sane.
0086    * @return a pointer to the new object.
0087    */
0088   virtual IBPtr fullclone() const {return new_ptr(*this);}
0089   //@}
0090 
0091 protected:
0092 
0093   /** @name Standard Interfaced functions. */
0094   //@{
0095   /**
0096    * Initialize this object after the setup phase before saving and
0097    * EventGenerator to disk.
0098    * @throws InitException if object could not be initialized properly.
0099    */
0100   virtual void doinit();
0101   //@}
0102 
0103 private:
0104 
0105   /**
0106    * The assignment operator is private and must never be called.
0107    * In fact, it should not even be implemented.
0108    */
0109   SSGVFSVertex & operator=(const SSGVFSVertex &) = delete;
0110 
0111   /**
0112    * Pointer to the stop mixing matrix
0113    */
0114   tMixingMatrixPtr stop_;
0115 
0116   /**
0117    * Pointer to the sbottom mixing matrix
0118    */
0119   tMixingMatrixPtr sbot_;
0120 
0121   /**
0122    * Pointer to the stau mixing matrix
0123    */
0124   tMixingMatrixPtr stau_;
0125 
0126   /**
0127    *  The Planck mass
0128    */
0129   Energy MPlanck_;
0130 };
0131 }
0132 
0133 #endif /* HERWIG_SSGVFSVertex_H */