Page MenuHomeHEPForge
Files F11221357

GammaGammaAnalysis.h
No OneTemporary
Actions

GammaGammaAnalysis.h
View Options

// -*- C++ -*-
//
// GammaGammaAnalysis.h is a part of Herwig++ - A multi-purpose Monte Carlo event generator
// Copyright (C) 2002-2011 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 "Herwig++/Utilities/Histogram.h"
namespace Herwig {
using namespace ThePEG;
/** \ingroup Analysis
* 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:
/**
* The default constructor.
*/
GammaGammaAnalysis();
/** @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);
//@}
public:
/**
* 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.
*/
virtual IBPtr clone() const {return new_ptr(*this);}
/** Make a clone of this object, possibly modifying the cloned object
* to make it sane.
* @return a pointer to the new object.
*/
virtual IBPtr fullclone() const {return new_ptr(*this);}
//@}
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.
*/
virtual void dofinish();
//@}
private:
/**
* The static object used to initialize the description of this class.
* Indicates that this is a concrete class without persistent data.
*/
static NoPIOClassDescription<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 harder photon
*/
Histogram _ptharder;
/**
* \f$p_T\f$ of the softer photon
*/
Histogram _ptsofter;
/**
* \f$p_T\f$ of the photon pair
*/
Histogram _ptpair;
/**
* Energy of the harder photon
*/
Histogram _Eharder;
/**
* Energy of the softer photon
*/
Histogram _Esofter;
/**
* Energy of the photon pair
*/
Histogram _Epair;
/**
* Rapidity of the harder photon
*/
Histogram _rapharder;
/**
* Rapidity of the softer photon
*/
Histogram _rapsofter;
/**
* Rapidity of the photon pair
*/
Histogram _rappair;
/**
* Azimuth of the harder photon
*/
Histogram _phiharder;
/**
* Azimuth of the softer photon
*/
Histogram _phisofter;
/**
* Azimuth of the photon pair
*/
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 */
}
#endif /* HERWIG_GammaGammaAnalysis_H */

File Metadata

Mime Type
text/x-c++
Expires
Wed, May 14, 10:18 AM (1 d, 15 h)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
5085670
Default Alt Text
GammaGammaAnalysis.h (5 KB)

Event Timeline