TUHKMgen/UHKM/DecayChannel.h

   1 ////////////////////////////////////////////////////////////////////////////////////////////////
   2 //  Copyright   : The FASTMC and SPHMC Collaboration                                          //
   3 //  Author      : Ionut Cristian Arsene                                                       //
   4 //  Affiliation : Oslo University, Norway & Institute for Space Sciences, Bucharest, Romania  //
   5 //  e-mail      : i.c.arsene@fys.uio.no                                                       //
   6 //  Date        : 2007/05/30                                                                  //
   7 //                                                                                            //
   8 //  This class is using the particle and decays lists provided by the                         //
   9 //  THERMINATOR (Computer Physics Communications 174 669 (2006)) and                          //
  10 //  SHARE (Computer Physics Communications 167 229 (2005)) collaborations.                    //
  11 ////////////////////////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef DECAYCHANNEL_H
  14 #define DECAYCHANNEL_H
  15
  16 #include <Rtypes.h>
  17
  18 const Int_t kMaxDaughters = 3;
  19 const Int_t kNonsensePDG = 1000000000;
  20
  21 class DecayChannel {
  22  public:
  23   DecayChannel();                                                                           // default constructor
  24   DecayChannel(const DecayChannel &copy);                                                   // copy constructor
  25   DecayChannel(Int_t mother, Double_t branching, Int_t nDaughters, const Int_t *daughters); // explicit constructor
  26   ~DecayChannel() {};                                                                       // destructor
  27
  28   void     SetMotherPDG(Int_t value)              {fMotherPDG = value;}
  29   void     SetBranching(Double_t value)           {fBranchingRatio = value;}
  30   void     SetDaughters(const Int_t *values, Int_t n);
  31   void     AddDaughter(Int_t pdg);
  32   Int_t    GetMotherPDG() const                   {return fMotherPDG;}
  33   Double_t GetBranching() const                   {return fBranchingRatio;}
  34   Int_t    GetNDaughters() const                  {return fNDaughters;}
  35   const Int_t*   GetDaughters() const                   {return fDaughtersPDG;}
  36   Int_t    GetDaughterPDG(Int_t i);                                                         // i --> must be the zero-based index of daughter
  37
  38  private:
  39   Int_t    fMotherPDG;                          // PDG code of the mother particle
  40   Double_t fBranchingRatio;                     // branching ratio
  41   Int_t    fNDaughters;                         // number of daughter particles
  42   Int_t    fDaughtersPDG[kMaxDaughters];        // array with daughters PDG
  43 };
  44
  45 #endif