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root/cvsroot/UserCode/MitAna/DataTree/interface/StableParticle.h
Revision: 1.11
Committed: Wed Mar 18 15:44:32 2009 UTC (16 years, 1 month ago) by loizides
Content type: text/plain
Branch: MAIN
CVS Tags: Mit_024b, 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, Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008
Changes since 1.10: +10 -10 lines
Log Message:
Introduced Double32_t [0,0,14] consistently. Updated class descriptions.

File Contents

# User Rev Content
1 bendavid 1.1 //--------------------------------------------------------------------------------------------------
2 loizides 1.11 // $Id: StableParticle.h,v 1.10 2009/02/26 17:06:25 bendavid Exp $
3 bendavid 1.1 //
4     // StableParticle
5     //
6 loizides 1.4 // Generic stable particle with track. Stores absolute pdg code and link to track.
7 bendavid 1.1 //
8     // Authors: C.Loizides, J.Bendavid
9     //--------------------------------------------------------------------------------------------------
10    
11 loizides 1.5 #ifndef MITANA_DATATREE_STABLEPARTICLE_H
12     #define MITANA_DATATREE_STABLEPARTICLE_H
13 bendavid 1.1
14     #include "MitAna/DataTree/interface/ChargedParticle.h"
15    
16     namespace mithep
17     {
18     class StableParticle : public ChargedParticle
19     {
20     public:
21 bendavid 1.3 StableParticle() : fAbsPdgId(0) {}
22     StableParticle(UInt_t absPdgId) : fAbsPdgId(absPdgId) {}
23 bendavid 1.8 StableParticle(UInt_t absPdgId, const Track *track) : fAbsPdgId(absPdgId), fTrackRef(track) {}
24 bendavid 1.1
25 loizides 1.7 UInt_t AbsPdgId() const { return fAbsPdgId; }
26 bendavid 1.8 const Track *Trk() const { return fTrackRef.Obj(); }
27 loizides 1.7 const Track *TrackerTrk() const { return Trk(); }
28     EObjType ObjType() const { return kStableParticle; }
29 loizides 1.11 TParticlePDG *PdgEntry() const;
30     void SetAbsPdgId(UInt_t apdg) { fAbsPdgId=apdg; ClearMom(); }
31     void SetTrk(const Track *t) { fTrackRef = t; ClearMom(); ClearCharge(); }
32 bendavid 1.1
33     protected:
34 loizides 1.9 Double_t GetMass() const;
35    
36 loizides 1.11 UInt_t fAbsPdgId; //pdg identifier (absolute value)
37     Ref<Track> fTrackRef; //tracker track reference
38 bendavid 1.1
39 loizides 1.4 ClassDef(StableParticle, 1) // Stable particle class
40 bendavid 1.1 };
41     }
42    
43     //--------------------------------------------------------------------------------------------------
44 loizides 1.9 inline Double_t mithep::StableParticle::GetMass() const
45     {
46 loizides 1.11 // Get mass from pdg lookup.
47 loizides 1.9
48 loizides 1.11 TParticlePDG *pdgEntry = PdgEntry();
49 loizides 1.9 if (pdgEntry)
50     return pdgEntry->Mass();
51     else {
52     Error("GetMass",
53     "Absolute pdg code %i not found in table, returning mass=-99.0 GeV", fAbsPdgId);
54     return -99.0;
55     }
56     }
57    
58     //--------------------------------------------------------------------------------------------------
59 loizides 1.11 inline TParticlePDG *mithep::StableParticle::PdgEntry() const
60 bendavid 1.1 {
61 loizides 1.11 // Return entry to pdg database for the particle.
62 bendavid 1.1
63     return TDatabasePDG::Instance()->GetParticle(fAbsPdgId);
64     }
65     #endif