Page MenuHomeHEPForge
Files F19251823

GammaGammaAnalysis.h
No OneTemporary
Actions

Size
6 KB
Referenced Files
None
Subscribers
None

GammaGammaAnalysis.h
View Options

// -*- C++ -*-
//
// GammaGammaAnalysis.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_GammaGammaAnalysis_H
#define HERWIG_GammaGammaAnalysis_H
//
// This is the declaration of the GammaGammaAnalysis class.
//
#include "ThePEG/Repository/CurrentGenerator.h"
#include "ThePEG/Handlers/AnalysisHandler.h"
#include "GammaGammaAnalysis.fh"
#include "Herwig++/Utilities/Histogram.h"
namespace Herwig {
using namespace ThePEG;
/**
* GammaGammaAnalysis is for the analysis of events with a pair of hard
* photons produced. These are selected as the two highest pt photons
* in the final state of the event. A topdrawer file with histograms
* is written to the working directory.
*
* @see \ref GammaGammaAnalysisInterfaces "The interfaces"
* defined for GammaGammaAnalysis.
*/
class GammaGammaAnalysis: public AnalysisHandler {
public:
/** @name Standard constructors and destructors. */
//@{
/**
* The default constructor.
*/
inline GammaGammaAnalysis();
/**
* The destructor.
*/
virtual ~GammaGammaAnalysis();
//@}
public:
/** @name Virtual functions required by the AnalysisHandler class. */
//@{
/**
* Analyze a given Event. Note that a fully generated event
* may be presented several times, if it has been manipulated in
* between. The default version of this function will call transform
* to make a lorentz transformation of the whole event, then extract
* all final state particles and call analyze(tPVector) of this
* analysis object and those of all associated analysis objects. The
* default version will not, however, do anything on events which
* have not been fully generated, or have been manipulated in any
* way.
* @param event pointer to the Event to be analyzed.
* @param ieve the event number.
* @param loop the number of times this event has been presented.
* If negative the event is now fully generated.
* @param state a number different from zero if the event has been
* manipulated in some way since it was last presented.
*/
virtual void analyze(tEventPtr event, long ieve, int loop, int state);
/**
* Transform the event to the desired Lorentz frame and return the
* corresponding LorentzRotation.
* @param event a pointer to the Event to be transformed.
* @return the LorentzRotation used in the transformation.
*/
virtual LorentzRotation transform(tEventPtr event) const;
/**
* Analyze the given vector of particles. The default version calls
* analyze(tPPtr) for each of the particles.
* @param particles the vector of pointers to particles to be analyzed
*/
virtual void analyze(const tPVector & particles);
/**
* Analyze the given particle.
* @param particle pointer to the particle to be analyzed.
*/
virtual void analyze(tPPtr particle);
//@}
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;
//@}
protected:
/** @name Standard Interfaced functions. */
//@{
/**
* Finalize this object. Called in the run phase just after a
* run has ended. Used eg. to write out statistics.
*/
inline virtual void dofinish();
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is a concrete class with persistent data.
*/
static ClassDescription<GammaGammaAnalysis> initGammaGammaAnalysis;
/**
* The assignment operator is private and must never be called.
* In fact, it should not even be implemented.
*/
GammaGammaAnalysis & operator=(const GammaGammaAnalysis &);
private:
/**
* \f$p_T\f$ of the photon
*/
Histogram _ptharder;
Histogram _ptsofter;
Histogram _ptpair;
/**
* Energy of the photons
*/
Histogram _Eharder;
Histogram _Esofter;
Histogram _Epair;
/**
* Rapidity of the photons
*/
Histogram _rapharder;
Histogram _rapsofter;
Histogram _rappair;
/**
* Azimuth of the photons
*/
Histogram _phiharder;
Histogram _phisofter;
Histogram _deltaphi;
/**
* Invariant mass of the pair
*/
Histogram _mpair;
};
}
#include "ThePEG/Utilities/ClassTraits.h"
namespace ThePEG {
/** @cond TRAITSPECIALIZATIONS */
/** This template specialization informs ThePEG about the
* base classes of GammaGammaAnalysis. */
template <>
struct BaseClassTrait<Herwig::GammaGammaAnalysis,1> {
/** Typedef of the first base class of GammaGammaAnalysis. */
typedef AnalysisHandler NthBase;
};
/** This template specialization informs ThePEG about the name of
* the GammaGammaAnalysis class and the shared object where it is defined. */
template <>
struct ClassTraits<Herwig::GammaGammaAnalysis>
: public ClassTraitsBase<Herwig::GammaGammaAnalysis> {
/** Return a platform-independent class name */
static string className() { return "Herwig::GammaGammaAnalysis"; }
/** Return the name(s) of the shared library (or libraries) be loaded to get
* access to the GammaGammaAnalysis class and any other class on which it depends
* (except the base class). */
static string library() { return "HwAnalysis.so"; }
};
/** @endcond */
}
#include "GammaGammaAnalysis.icc"
#ifndef ThePEG_TEMPLATES_IN_CC_FILE
// #include "GammaGammaAnalysis.tcc"
#endif
#endif /* HERWIG_GammaGammaAnalysis_H */

File Metadata

Mime Type
text/x-c++
Expires
Tue, Sep 30, 6:11 AM (1 d, 19 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
6482906
Default Alt Text
GammaGammaAnalysis.h (6 KB)

Event Timeline

HEPForge.org · .