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1 | #ifndef ALIJET_H | |
2 | #define ALIJET_H | |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
4 | * See cxx source for full Copyright notice */ | |
5 | ||
6 | // $Id$ | |
7 | ||
8 | #include <iostream.h> | |
9 | #include <math.h> | |
10 | ||
11 | #include "TObject.h" | |
12 | #include "TObjArray.h" | |
13 | ||
14 | #include "Ali4Vector.h" | |
15 | #include "AliTrack.h" | |
16 | ||
17 | class AliJet : public TObject,public Ali4Vector | |
18 | { | |
19 | public: | |
20 | AliJet(); // Default constructor | |
21 | AliJet(Int_t n); // Create a Jet to hold initially n Tracks | |
22 | ~AliJet(); // Default destructor | |
23 | void Reset(); // Reset all values | |
24 | virtual void AddTrack(AliTrack& t);// Add a track to the jet | |
25 | virtual void AddTrack(AliTrack* t) { AddTrack(*t); } | |
26 | void Info(TString f); // Print jet information in coordinate frame f | |
27 | void List(TString f="car"); // Print jet prim. track information for coord. frame f | |
28 | void ListAll(TString f="car"); // Print jet prim. and decay track information for coord. frame f | |
29 | Double_t GetEnergy(); // Provide the total jet energy | |
30 | Double_t GetMomentum(); // Provide the value of the total jet 3-momentum | |
31 | Ali3Vector Get3Momentum(); // Provide the total jet 3-momentum | |
32 | Double_t GetInvmass(); // Provide the invariant mass | |
33 | Float_t GetCharge(); // Provide the total charge of the jet | |
34 | Int_t GetNtracks(); // Return the number of tracks in the jet | |
35 | AliTrack* GetTrack(Int_t i); // Provide i-th track of the jet (1=first track) | |
36 | Double_t GetPt(); // Provide trans. momentum w.r.t. z-axis | |
37 | Double_t GetPl(); // Provide long. momentum w.r.t. z-axis | |
38 | Double_t GetEt(); // Provide trans. energy w.r.t. z-axis | |
39 | Double_t GetEl(); // Provide long. energy w.r.t. z-axis | |
40 | Double_t GetMt(); // Provide trans. mass w.r.t. z-axis | |
41 | Double_t GetRapidity(); // Provide rapidity value w.r.t. z-axis | |
42 | ||
43 | protected: | |
44 | void SetNtinit(Int_t n=2); // Set the initial max. number of tracks for this Jet | |
45 | Int_t fNtinit; // The initial max. number of tracks for this jet | |
46 | Int_t fNtmax; // The maximum number of tracks for this Jet | |
47 | Float_t fQ; // The total charge of the jet | |
48 | Int_t fNtrk; // The number of tracks in the jet | |
49 | TObjArray* fTracks; // Array to hold the pointers to the tracks of the jet | |
50 | ||
51 | ClassDef(AliJet,1) // Creation and investigation of a jet of particle tracks. | |
52 | }; | |
53 | #endif |