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QEDRadiationHandler.h
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// -*- C++ -*-
#ifndef HERWIG_QEDRadiationHandler_H
#define HERWIG_QEDRadiationHandler_H
//
// This is the declaration of the QEDRadiationHandler class.
//
#include "ThePEG/Handlers/StepHandler.h"
#include "DecayRadiationGenerator.fh"
#include "QEDRadiationHandler.fh"
namespace Herwig {
using namespace ThePEG;
/**
* The QEDRadiationHandler class is designed so that the approach
* for the generation of QED radiation in decays can be used to generate
* QED radiation from the decay products of \f$s\f$-channel resonances
* produced in the hard process where the decay products of the resonance
* have been generated as part of the hard process.
*
* It is designed to be used as a PostSubProcessHandler.
*
* @see \ref QEDRadiationHandlerInterfaces "The interfaces"
* defined for QEDRadiationHandler.
*/
class QEDRadiationHandler: public StepHandler {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* The default constructor.
*/
QEDRadiationHandler();
//@}
public:
/** @name Virtual functions required by the StepHandler class. */
//@{
/**
* The main function called by the EventHandler class to
* perform a step. Given the current state of an Event, this function
* performs the event generation step and includes the result in a new
* Step object int the Event record.
* @param eh the EventHandler in charge of the Event generation.
* @param tagged if not empty these are the only particles which should
* be considered by the StepHandler.
* @param hint a Hint object with possible information from previously
* performed steps.
* @throws Veto if the StepHandler requires the current step to be discarded.
* @throws Stop if the generation of the current Event should be stopped
* after this call.
* @throws Exception if something goes wrong.
*/
virtual void handle(EventHandler & eh, const tPVector & tagged,
const Hint & hint) throw(Veto, Stop, Exception);
//@}
public:
/** @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();
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;
//@}
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is a concrete class with persistent data.
*/
static ClassDescription<QEDRadiationHandler> initQEDRadiationHandler;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
QEDRadiationHandler & operator=(const QEDRadiationHandler &);
private:
/**
* Pointer to the object responsible for generating the radiation in
* the decays
*/
DecayRadiationGeneratorPtr _generator;
/**
* List of the PDG codes of the decaying particles which should be considered
*/
vector<long> _decayingParticles;
/**
* List of the PDG codes of the decay products which should be considered
*/
vector<long> _decayProducts;
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of QEDRadiationHandler. */
template <>
struct BaseClassTrait<Herwig::QEDRadiationHandler,1> {
/** Typedef of the first base class of QEDRadiationHandler. */
typedef StepHandler NthBase;
};
/** This template specialization informs ThePEG about the name of
* the QEDRadiationHandler class and the shared object where it is defined. */
template <>
struct ClassTraits<Herwig::QEDRadiationHandler>
: public ClassTraitsBase<Herwig::QEDRadiationHandler> {
/** Return a platform-independent class name */
static string className() { return "Herwig++::QEDRadiationHandler"; }
/**
* The name of a file containing the dynamic library where the class
* QEDRadiationHandler is implemented. It may also include several, space-separated,
* libraries if the class QEDRadiationHandler 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 "libHwDecRad.so"; }
};
/** @endcond */
}
#include "QEDRadiationHandler.icc"
#ifndef ThePEG_TEMPLATES_IN_CC_FILE
// #include "QEDRadiationHandler.tcc"
#endif
#endif /* HERWIG_QEDRadiationHandler_H */

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