Herwig/Analysis/HiggsJetAnalysis.h

0001 // -*- C++ -*-
0002 //
0003 // HiggsJetAnalysis.h is a part of Herwig - A multi-purpose Monte Carlo event generator
0004 // Copyright (C) 2002-2019 The Herwig Collaboration
0005 //
0006 // Herwig is licenced under version 3 of the GPL, see COPYING for details.
0007 // Please respect the MCnet academic guidelines, see GUIDELINES for details.
0008 //
0009 #ifndef HERWIG_HiggsJetAnalysis_H
0010 #define HERWIG_HiggsJetAnalysis_H
0011 //
0012 // This is the declaration of the HiggsJetAnalysis class.
0013 //
0014
0015 #include "ThePEG/Repository/CurrentGenerator.h"
0016 #include "ThePEG/Handlers/AnalysisHandler.h"
0017 #include "Herwig/Utilities/Histogram.h"
0018
0019 namespace Herwig {
0020
0021 using namespace ThePEG;
0022
0023 /** \ingroup Analysis
0024  * HiggsJetAnalysis assumes that there is one Higgs in the final state
0025  * and books some observables computed from its four momentum.  It
0026  * shouldn't do anything in case there is no Higgs in the event.
0027  *
0028  * @see \ref HiggsJetAnalysisInterfaces "The interfaces"
0029  * defined for HiggsJetAnalysis.
0030  */
0031 class HiggsJetAnalysis: public AnalysisHandler {
0032
0033 public:
0034
0035   /** @name Standard constructors and destructors. */
0036   //@{
0037   /**
0038    * The default constructor.
0039    */
0040   HiggsJetAnalysis();
0041   //@}
0042
0043 public:
0044
0045   /** @name Virtual functions required by the AnalysisHandler class. */
0046   //@{
0047   /**
0048    * Analyze a given Event. Note that a fully generated event
0049    * may be presented several times, if it has been manipulated in
0050    * between. The default version of this function will call transform
0051    * to make a lorentz transformation of the whole event, then extract
0052    * all final state particles and call analyze(tPVector) of this
0053    * analysis object and those of all associated analysis objects. The
0054    * default version will not, however, do anything on events which
0055    * have not been fully generated, or have been manipulated in any
0056    * way.
0057    * @param event pointer to the Event to be analyzed.
0058    * @param ieve the event number.
0059    * @param loop the number of times this event has been presented.
0060    * If negative the event is now fully generated.
0061    * @param state a number different from zero if the event has been
0062    * manipulated in some way since it was last presented.
0063    */
0064   virtual void analyze(tEventPtr event, long ieve, int loop, int state);
0065   //@}
0066
0067 public:
0068
0069   /**
0070    * The standard Init function used to initialize the interfaces.
0071    * Called exactly once for each class by the class description system
0072    * before the main function starts or
0073    * when this class is dynamically loaded.
0074    */
0075   static void Init();
0076
0077 protected:
0078
0079   /** @name Clone Methods. */
0080   //@{
0081   /**
0082    * Make a simple clone of this object.
0083    * @return a pointer to the new object.
0084    */
0085   virtual IBPtr clone() const {return new_ptr(*this);}
0086
0087   /** Make a clone of this object, possibly modifying the cloned object
0088    * to make it sane.
0089    * @return a pointer to the new object.
0090    */
0091   virtual IBPtr fullclone() const {return new_ptr(*this);}
0092   //@}
0093
0094 protected:
0095
0096   /** @name Standard Interfaced functions. */
0097   //@{
0098   /**
0099    * Finalize this object. Called in the run phase just after a
0100    * run has ended. Used eg. to write out statistics.
0101    */
0102   virtual void dofinish();
0103
0104 private:
0105
0106   /**
0107    * The assignment operator is private and must never be called.
0108    * In fact, it should not even be implemented.
0109    */
0110   HiggsJetAnalysis & operator=(const HiggsJetAnalysis &) = delete;
0111
0112 private:
0113   /**
0114    *   \f$p_T\f$ of the h boson
0115    */
0116   Histogram _pth;
0117   Histogram _pthZoom;
0118
0119   /**
0120    *  Rapidity of h
0121    */
0122   Histogram _raph;
0123
0124   /**
0125    *  Azimuth of h
0126    */
0127   Histogram _phih;
0128
0129 };
0130
0131 }
0132
0133 #endif /* HERWIG_HiggsJetAnalysis_H */