ViewVC Help
View File | Revision Log | Show Annotations | Root Listing
root/cvsroot/UserCode/UHHAnalysis/NtupleWriter/Objects/Particle.h
Revision: 1.1
Committed: Tue May 22 09:32:32 2012 UTC (12 years, 11 months ago) by peiffer
Content type: text/plain
Branch: MAIN
Log Message:
new class structure for objects

File Contents

# User Rev Content
1 peiffer 1.1 #ifndef Particle_H
2     #define Particle_H
3    
4     #include <vector>
5     #include "Math/LorentzVector.h"
6     #include "Math/PtEtaPhiE4D.h"
7     #include "TObject.h"
8    
9    
10     #ifndef PI
11     #define PI 3.14159265358979323846264338328
12     #endif
13    
14     typedef ROOT::Math::LorentzVector< ROOT::Math::PtEtaPhiE4D< Double32_t > > LorentzVector;
15    
16     class Particle{
17     public:
18     Particle(){
19     m_charge=0;
20     m_pt=0;
21     m_eta=0;
22     m_phi=0;
23     m_energy=0;
24     };
25    
26     ~Particle(){
27     };
28    
29     LorentzVector v4(){
30     LorentzVector v4;
31     v4.SetPt(m_pt);
32     v4.SetEta(m_eta);
33     v4.SetPhi(m_phi);
34     v4.SetE(m_energy);
35     return v4;
36     };
37    
38     float charge(){return m_charge;}
39     float pt(){return m_pt;}
40     float eta(){return m_eta;}
41     float phi(){return m_phi;}
42     float energy(){return m_energy;}
43    
44     void set_charge(float charge){m_charge=charge;}
45     void set_pt(float pt){m_pt=pt;}
46     void set_eta(float eta){m_eta=eta;}
47     void set_phi(float phi){m_phi=phi;}
48     void set_energy(float energy){m_energy=energy;}
49    
50     double deltaPhi(Particle p2){
51     double deltaphi = fabs(this->phi() - p2.phi());
52     if(deltaphi > PI) deltaphi = 2* PI - deltaphi;
53     return deltaphi;
54     }
55     double deltaR(Particle p2){
56     double deltaeta = this->eta() - p2.eta();
57     return sqrt(deltaeta*deltaeta+deltaPhi(p2)*deltaPhi(p2));
58     }
59    
60     private:
61    
62     float m_charge;
63     float m_pt;
64     float m_eta;
65     float m_phi;
66     float m_energy;
67    
68     };
69    
70     #endif