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2f4cac02 | 1 | // $Id: AliPhJPiZero.h,v 1.4 2008/05/08 15:19:52 djkim Exp $ |
2 | ||
3 | //////////////////////////////////////////////////// | |
4 | /*! | |
5 | \file AliPhJPiZero.h | |
6 | \brief | |
7 | \author J. Rak, D.J.Kim, R.Diaz (University of Jyvaskyla) | |
8 | \email: djkim@jyu.fi | |
9 | \version $Revision: 1.4 $ | |
10 | \date $Date: 2008/05/08 15:19:52 $ | |
11 | */ | |
12 | //////////////////////////////////////////////////// | |
13 | ||
14 | #ifndef ALIPHJPIZERO_H | |
15 | #define ALIPHJPIZERO_H | |
16 | ||
17 | #ifndef ROOT_TObject | |
18 | #include <TObject.h> | |
19 | #endif | |
20 | ||
21 | #include <iostream> | |
22 | #include <fstream> | |
23 | #include <stdlib.h> | |
24 | #include <math.h> | |
25 | #include <stdio.h> | |
26 | #include <TVector3.h> | |
27 | #include <TLorentzVector.h> | |
28 | ||
29 | #include "AliPhJBaseTrack.h" | |
30 | #include "AliPhJPhoton.h" | |
31 | ||
32 | //class AliPhJPhoton; | |
33 | //class TObject; | |
34 | ||
35 | class AliPhJPiZero : public AliPhJBaseTrack { | |
36 | ||
37 | public: | |
38 | AliPhJPiZero();//{PhotSum.SetPxPyPzE(0,0,0,0);} //constructor | |
39 | AliPhJPiZero(const AliPhJPiZero& a);//{PhotSum.SetPxPyPzE(0,0,0,0);} //constructor | |
40 | ~AliPhJPiZero(){;} //destructor | |
41 | ||
42 | bool SetMass(AliPhJPhoton* g1, AliPhJPhoton* g2); | |
43 | ||
44 | float GetInvMass() const {return fPizM;} | |
45 | float GetAsymm() const {return fAsymm;} | |
46 | ||
47 | int GetMassBin() const {return fMassBin;} | |
48 | void SetMassBin(int im) {fMassBin=im;} | |
49 | void ResetToZero(){fPizM=0; fBasePt=0; fBasePhi=0; fBaseTheta=0; fAsymm=0; fMassBin=-1;} | |
50 | ||
51 | TVector3 GetP() const {return fPi0P;} | |
52 | //TLorentzVector &GetSum() {return *PhotSum;} //I think should be like that | |
53 | TLorentzVector GetSum() const {return fPhotSum;} | |
54 | ||
55 | double operator- (const AliPhJPiZero &pi0); | |
56 | ||
57 | AliPhJPiZero& operator= (const AliPhJPiZero& piz); | |
58 | ||
59 | protected: | |
60 | TVector3 fV1, fV2; //vector 1 and 2 | |
61 | TVector3 fPi0P; // pi0 momentum | |
62 | TLorentzVector fPhotSum; //sum of lorentz vectors of two photons | |
63 | TLorentzVector fPhoton1, fPhoton2; //decay photons | |
64 | float fAsymm, fPizM;//assymtery and inv. mass | |
65 | int fMassBin; //mass bin | |
66 | ||
67 | ClassDef(AliPhJPiZero,1) | |
68 | }; | |
69 | ||
70 | #endif | |
71 |