| 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. |
| # | Content |
|---|---|
| 1 | //-------------------------------------------------------------------------------------------------- |
| 2 | // $Id: StableParticle.h,v 1.10 2009/02/26 17:06:25 bendavid Exp $ |
| 3 | // |
| 4 | // StableParticle |
| 5 | // |
| 6 | // Generic stable particle with track. Stores absolute pdg code and link to track. |
| 7 | // |
| 8 | // Authors: C.Loizides, J.Bendavid |
| 9 | //-------------------------------------------------------------------------------------------------- |
| 10 | |
| 11 | #ifndef MITANA_DATATREE_STABLEPARTICLE_H |
| 12 | #define MITANA_DATATREE_STABLEPARTICLE_H |
| 13 | |
| 14 | #include "MitAna/DataTree/interface/ChargedParticle.h" |
| 15 | |
| 16 | namespace mithep |
| 17 | { |
| 18 | class StableParticle : public ChargedParticle |
| 19 | { |
| 20 | public: |
| 21 | StableParticle() : fAbsPdgId(0) {} |
| 22 | StableParticle(UInt_t absPdgId) : fAbsPdgId(absPdgId) {} |
| 23 | StableParticle(UInt_t absPdgId, const Track *track) : fAbsPdgId(absPdgId), fTrackRef(track) {} |
| 24 | |
| 25 | UInt_t AbsPdgId() const { return fAbsPdgId; } |
| 26 | const Track *Trk() const { return fTrackRef.Obj(); } |
| 27 | const Track *TrackerTrk() const { return Trk(); } |
| 28 | EObjType ObjType() const { return kStableParticle; } |
| 29 | TParticlePDG *PdgEntry() const; |
| 30 | void SetAbsPdgId(UInt_t apdg) { fAbsPdgId=apdg; ClearMom(); } |
| 31 | void SetTrk(const Track *t) { fTrackRef = t; ClearMom(); ClearCharge(); } |
| 32 | |
| 33 | protected: |
| 34 | Double_t GetMass() const; |
| 35 | |
| 36 | UInt_t fAbsPdgId; //pdg identifier (absolute value) |
| 37 | Ref<Track> fTrackRef; //tracker track reference |
| 38 | |
| 39 | ClassDef(StableParticle, 1) // Stable particle class |
| 40 | }; |
| 41 | } |
| 42 | |
| 43 | //-------------------------------------------------------------------------------------------------- |
| 44 | inline Double_t mithep::StableParticle::GetMass() const |
| 45 | { |
| 46 | // Get mass from pdg lookup. |
| 47 | |
| 48 | TParticlePDG *pdgEntry = PdgEntry(); |
| 49 | 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 | inline TParticlePDG *mithep::StableParticle::PdgEntry() const |
| 60 | { |
| 61 | // Return entry to pdg database for the particle. |
| 62 | |
| 63 | return TDatabasePDG::Instance()->GetParticle(fAbsPdgId); |
| 64 | } |
| 65 | #endif |