| 21 |
|
{ |
| 22 |
|
public: |
| 23 |
|
CompositeParticle() {} |
| 24 |
– |
~CompositeParticle() {} |
| 24 |
|
|
| 25 |
|
void AddDaughter(const Particle *p) { fDaughters.Add(p); } |
| 27 |
– |
Double_t Charge() const; |
| 26 |
|
void Clear(Option_t *opt="") { fDaughters.Clear(opt); } |
| 27 |
|
const Particle *Daughter(UInt_t i) const { return fDaughters.At(i); } |
| 28 |
|
UInt_t NDaughters() const { return fDaughters.Entries(); } |
| 29 |
|
Bool_t HasDaughter(const Particle *p) const; |
| 30 |
|
Bool_t HasCommonDaughter(const CompositeParticle *p) const; |
| 31 |
|
Bool_t HasSameDaughters(const CompositeParticle *p) const; |
| 34 |
– |
FourVector Mom() const; |
| 32 |
|
EObjType ObjType() const { return kCompositeParticle; } |
| 33 |
|
|
| 34 |
|
protected: |
| 35 |
+ |
Double_t GetCharge() const; |
| 36 |
+ |
void GetMom() const; |
| 37 |
+ |
|
| 38 |
|
RefArray<Particle,1024> fDaughters; //references to daughter particles |
| 39 |
|
|
| 40 |
|
ClassDef(CompositeParticle, 1) // Composite particle class |
| 41 |
|
}; |
| 42 |
|
} |
| 43 |
+ |
|
| 44 |
+ |
//-------------------------------------------------------------------------------------------------- |
| 45 |
+ |
inline Double_t mithep::CompositeParticle::GetCharge() const |
| 46 |
+ |
{ |
| 47 |
+ |
// Return sum of charge of daughter particles. |
| 48 |
+ |
|
| 49 |
+ |
Double_t charge = 0; |
| 50 |
+ |
for (UInt_t i=0; i<NDaughters(); ++i) |
| 51 |
+ |
charge += Daughter(i)->Charge(); |
| 52 |
+ |
|
| 53 |
+ |
return charge; |
| 54 |
+ |
} |
| 55 |
+ |
|
| 56 |
+ |
//-------------------------------------------------------------------------------------------------- |
| 57 |
+ |
inline void mithep::CompositeParticle::GetMom() const |
| 58 |
+ |
{ |
| 59 |
+ |
// Calculate the vector sum of the momenta of the daughters. |
| 60 |
+ |
|
| 61 |
+ |
FourVector mom; |
| 62 |
+ |
for (UInt_t i=0; i<NDaughters(); ++i) |
| 63 |
+ |
mom += (Daughter(i))->Mom(); |
| 64 |
+ |
|
| 65 |
+ |
fCachedMom.SetCoordinates(mom.Pt(),mom.Eta(),mom.Phi(),mom.M()); |
| 66 |
+ |
} |
| 67 |
|
#endif |
