Models/Sextet/SextetGGSSVertex.h

0001 // -*- C++ -*-
0002 #ifndef HERWIG_SextetGGSSVertex_H
0003 #define HERWIG_SextetGGSSVertex_H
0004 //
0005 // This is the declaration of the SextetGGSSVertex class.
0006 //
0007
0008 #include "ThePEG/Helicity/Vertex/Scalar/VVSSVertex.h"
0009
0010 namespace Herwig {
0011
0012 using namespace ThePEG;
0013
0014 /**
0015  * Here is the documentation of the SextetGGSSVertex class.
0016  *
0017  * @see \ref SextetGGSSVertexInterfaces "The interfaces"
0018  * defined for SextetGGSSVertex.
0019  */
0020 class SextetGGSSVertex: public Helicity::VVSSVertex {
0021
0022 public:
0023
0024   /**
0025    * The default constructor.
0026    */
0027   SextetGGSSVertex();
0028
0029   /**
0030    * Calculate the couplings.
0031    * @param q2 The scale \f$q^2\f$ for the coupling at the vertex.
0032    * @param part1 The ParticleData pointer for the first  particle.
0033    * @param part2 The ParticleData pointer for the second particle.
0034    * @param part3 The ParticleData pointer for the third  particle.
0035    * @param part4 The ParticleData pointer for the fourth particle.
0036   */
0037   virtual void setCoupling(Energy2 q2,tcPDPtr part1,
0038                tcPDPtr part2,tcPDPtr part3,tcPDPtr part4);
0039
0040 public:
0041
0042   /**
0043    * The standard Init function used to initialize the interfaces.
0044    * Called exactly once for each class by the class description system
0045    * before the main function starts or
0046    * when this class is dynamically loaded.
0047    */
0048   static void Init();
0049
0050 protected:
0051
0052   /** @name Clone Methods. */
0053   //@{
0054   /**
0055    * Make a simple clone of this object.
0056    * @return a pointer to the new object.
0057    */
0058   virtual IBPtr clone() const;
0059
0060   /** Make a clone of this object, possibly modifying the cloned object
0061    * to make it sane.
0062    * @return a pointer to the new object.
0063    */
0064   virtual IBPtr fullclone() const;
0065   //@}
0066
0067 protected:
0068
0069   /** @name Standard Interfaced functions. */
0070   //@{
0071   /**
0072    * Initialize this object after the setup phase before saving an
0073    * EventGenerator to disk.
0074    * @throws InitException if object could not be initialized properly.
0075    */
0076   virtual void doinit();
0077   //@}
0078
0079 private:
0080
0081   /**
0082    * The assignment operator is private and must never be called.
0083    * In fact, it should not even be implemented.
0084    */
0085   SextetGGSSVertex & operator=(const SextetGGSSVertex &) = delete;
0086
0087 private:
0088
0089   /**
0090    * The energy at which the coupling was last evaluated
0091    */
0092   Energy2 q2last_;
0093
0094   /**
0095    * The coupling when it was last evaluated
0096    */
0097   Complex couplast_;
0098
0099 };
0100
0101 }
0102
0103 #endif /* HERWIG_SextetGGSSVertex_H */