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root/cvsroot/UserCode/MitAna/DataTree/interface/CompositeParticle.h
Revision: 1.22
Committed: Mon Jul 13 11:00:18 2009 UTC (15 years, 9 months ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_025c_branch2, Mit_025c_branch1, Mit_025c_branch0, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012h, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010
Branch point for: Mit_025c_branch
Changes since 1.21: +1 -2 lines
Log Message:
Include files checked.

File Contents

# Content
1 //--------------------------------------------------------------------------------------------------
2 // $Id: CompositeParticle.h,v 1.21 2009/06/11 04:44:46 loizides Exp $
3 //
4 // CompositeParticle
5 //
6 // A composite particle class that holds other (daughter) particles.
7 //
8 // Authors: J.Bendavid, C.Loizides
9 //--------------------------------------------------------------------------------------------------
10
11 #ifndef MITANA_DATATREE_COMPOSITEPARTICLE_H
12 #define MITANA_DATATREE_COMPOSITEPARTICLE_H
13
14 #include "MitAna/DataTree/interface/Particle.h"
15 #include "MitAna/DataCont/interface/RefArray.h"
16
17 namespace mithep
18 {
19 class CompositeParticle : public Particle
20 {
21 public:
22 CompositeParticle() {}
23
24 void AddDaughter(const Particle *p)
25 { fDaughters.Add(p); ClearMom(); ClearCharge(); }
26 void Clear(Option_t *opt="")
27 { fDaughters.Clear(opt); ClearMom(); ClearCharge(); }
28 const Particle *Daughter(UInt_t i) const { return fDaughters.At(i); }
29 UInt_t NDaughters() const { return fDaughters.Entries(); }
30 Bool_t HasDaughter(const Particle *p) const;
31 Bool_t HasCommonDaughter(const CompositeParticle *p) const;
32 Bool_t HasSameDaughters(const CompositeParticle *p) const;
33 EObjType ObjType() const { return kCompositeParticle; }
34
35 protected:
36 Double_t GetCharge() const;
37 void GetMom() const;
38
39 RefArray<Particle> fDaughters; //references to daughter particles
40
41 ClassDef(CompositeParticle, 1) // Composite particle class
42 };
43 }
44
45 //--------------------------------------------------------------------------------------------------
46 inline Double_t mithep::CompositeParticle::GetCharge() const
47 {
48 // Return sum of charge of daughter particles.
49
50 Double_t charge = 0;
51 for (UInt_t i=0; i<NDaughters(); ++i)
52 charge += Daughter(i)->Charge();
53
54 return charge;
55 }
56
57 //--------------------------------------------------------------------------------------------------
58 inline void mithep::CompositeParticle::GetMom() const
59 {
60 // Calculate the vector sum of the momenta of the daughters.
61
62 FourVector mom;
63 for (UInt_t i=0; i<NDaughters(); ++i)
64 mom += (Daughter(i))->Mom();
65
66 fCachedMom.SetCoordinates(mom.Pt(),mom.Eta(),mom.Phi(),mom.M());
67 }
68 #endif