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SSFFHVertex.h
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// -*- C++ -*-
//
// SSFFHVertex.h is a part of Herwig++ - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2007 The Herwig Collaboration
//
// Herwig++ is licenced under version 2 of the GPL, see COPYING for details.
// Please respect the MCnet academic guidelines, see GUIDELINES for details.
//
#ifndef HERWIG_SSFFHVertex_H
#define HERWIG_SSFFHVertex_H
//
// This is the declaration of the SSFFHVertex class.
//
#include "ThePEG/Helicity/Vertex/Scalar/FFSVertex.h"
#include "Herwig++/Models/Susy/MSSM.h"
#include "SSFFHVertex.fh"
namespace Herwig {
/**
* The is the coupling of higgs bosons in the MSSM to a pair
* of SM fermions.
*
* @see \ref SSFFHVertexInterfaces "The interfaces"
* defined for SSFFHVertex.
*/
class SSFFHVertex: public FFSVertex {
public:
/**
* The default constructor.
*/
SSFFHVertex();
/** @name Functions used by the persistent I/O system. */
//@{
/**
* Function used to write out object persistently.
* @param os the persistent output stream written to.
*/
void persistentOutput(PersistentOStream & os) const;
/**
* Function used to read in object persistently.
* @param is the persistent input stream read from.
* @param version the version number of the object when written.
*/
void persistentInput(PersistentIStream & is, int version);
//@}
/**
* The standard Init function used to initialize the interfaces.
* Called exactly once for each class by the class description system
* before the main function starts or
* when this class is dynamically loaded.
*/
static void Init();
/**
* Calculate the coupling for the vertex
* @param q2 The scale to at which evaluate the coupling.
* @param particle1 The first particle in the vertex.
* @param particle2 The second particle in the vertex.
* @param particle3 The third particle in the vertex.
* @param iint The incoming particle(only needed for vertices with
* Majorana particles)
*/
virtual void setCoupling(Energy2 q2, tcPDPtr particle1, tcPDPtr particle2,
tcPDPtr particle3, int iint);
protected:
/** @name Clone Methods. */
//@{
/**
* Make a simple clone of this object.
* @return a pointer to the new object.
*/
inline virtual IBPtr clone() const;
/** Make a clone of this object, possibly modifying the cloned object
* to make it sane.
* @return a pointer to the new object.
*/
inline virtual IBPtr fullclone() const;
//@}
protected:
/** @name Standard Interfaced functions. */
//@{
/**
* Initialize this object after the setup phase before saving an
* EventGenerator to disk.
* @throws InitException if object could not be initialized properly.
*/
virtual void doinit() throw(InitException);
//@}
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is a concrete class with persistent data.
*/
static ClassDescription<SSFFHVertex> initSSFFHVertex;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
SSFFHVertex & operator=(const SSFFHVertex &);
private:
/**
* A pointer to the MSSM object.
*/
tMSSMPtr theMSSM;
/**
* The value of \f$\tan\beta\f$.
*/
double thetanb;
/**
* The mass of the \f$W\f$.
*/
Energy theMw;
/**
* The value of \f$\sin\theta_W\f$
*/
double theSw;
/**
* The value of \f$\sin\alpha\f$
*/
double theSa;
/**
* The value of \f$\sin\beta\f$
*/
double theSb;
/**
* The value of \f$\cos\alpha\f$
*/
double theCa;
/**
* The value of \f$\cos\beta\f$
*/
double theCb;
/**
* The value of the coupling when it was last evaluated.
*/
Complex theCoupLast;
/**
* The value of the left-coupling when it was last evaluated.
*/
Complex theLLast;
/**
* The value of the right-coupling when it was last evaluated.
*/
Complex theRLast;
/**
* The ID of the last higgs for which the vertex was evaluated
*/
long theHLast;
/**
* The ID of the last fermion for which the vertex was evaluated
*/
long theFLast;
/**
* The value of \f$ \frac{e}{\sin\theta_W} \f$ when it was last evaluated.
*/
double theGlast;
/**
* The scale at which then coupling was last evaluated.
*/
Energy2 theq2last;
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of SSFFHVertex. */
template <>
struct BaseClassTrait<Herwig::SSFFHVertex,1> {
/** Typedef of the first base class of SSFFHVertex. */
typedef ThePEG::Helicity::FFSVertex NthBase;
};
/** This template specialization informs ThePEG about the name of
* the SSFFHVertex class and the shared object where it is defined. */
template <>
struct ClassTraits<Herwig::SSFFHVertex>
: public ClassTraitsBase<Herwig::SSFFHVertex> {
/** Return a platform-independent class name */
static string className() { return "Herwig::SSFFHVertex"; }
/**
* The name of a file containing the dynamic library where the class
* SSFFHVertex is implemented. It may also include several, space-separated,
* libraries if the class SSFFHVertex depends on other classes (base classes
* excepted). In this case the listed libraries will be dynamically
* linked in the order they are specified.
*/
static string library() { return "HwSusy.so"; }
};
/** @endcond */
}
#include "SSFFHVertex.icc"
#endif /* HERWIG_SSFFHVertex_H */

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