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root/cvsroot/UserCode/VHbb/interface/VHbbNameSpace.h

Comparing UserCode/VHbb/interface/VHbbNameSpace.h (file contents):
Revision 1.1 by bortigno, Fri Dec 14 15:59:45 2012 UTC vs.
Revision 1.5 by nmohr, Thu Jan 17 16:32:37 2013 UTC

#	Line 1 | Line 1
1	<
1	>	#include "TLorentzVector.h"
2	>	#include "TVector3.h"
3		#include "TMath.h"
4
5		namespace VHbb {
#	Line 15 | Line 16 | namespace VHbb {
16		{
17		double deta = eta1 - eta2;
18		double dphi = deltaPhi(phi1, phi2);
19	<	return std::sqrt(deta*deta + dphi*dphi);
19	>	return TMath::Sqrt(deta*deta + dphi*dphi);
20	>	}
21	>
22	>
23	>	double Hmass( double V_eta,double V_phi,double V_pt,
24	>	double hJet1_eta,double hJet1_phi,double hJet1_pt,
25	>	double hJet2_eta,double hJet2_phi,double hJet2_pt ){
26	>
27	>	TVector3 V(1,1,1);
28	>	V.SetPtEtaPhi(V_pt,V_eta,V_phi);
29	>
30	>	TVector3 H1(1,1,1);
31	>	H1.SetPtEtaPhi(hJet1_pt,hJet1_eta,hJet1_phi);
32	>	H1.SetMag(1/sin(H1.Theta()));
33	>
34	>	TVector3 H2(1,1,1);
35	>	H2.SetPtEtaPhi(hJet2_pt,hJet2_eta,hJet2_phi);
36	>	H2.SetMag(1/sin(H2.Theta()));
37	>
38	>	TVector3 n1(H1);
39	>	TVector3 n2(H2);
40	>
41	>	double det= n1.Px() * n2.Py() - n2.Px() * n1.Py();
42	>
43	>	H1.SetMag( (  - n2.Py() * V.Px() + n2.Px() * V.Py() )  / (sin(n1.Theta()) *det ) );
44	>	H2.SetMag( ( + n1.Py() * V.Px() - n1.Px() * V.Py() )  / (sin(n2.Theta())  *det ) );
45	>
46	>	double mass=TMath::Sqrt( TMath::Power( (H1.Mag()+H2.Mag()),2 ) - TMath::Power(( ( H1+H2 ).Mag()),2) );
47	>
48	>	return mass;
49	>
50	>	}
51	>
52	>	double Hmass_comb(double hJet1_eta,double hJet1_phi,double hJet1_pt, double hJet1_mass,
53	>	double hJet2_eta,double hJet2_phi,double hJet2_pt, double hJet2_mass){
54	>
55	>	TLorentzVector H1, H2;
56	>	H1.SetPtEtaPhiM(hJet1_pt,hJet1_eta,hJet1_phi, hJet1_mass);;
57	>	H2.SetPtEtaPhiM(hJet2_pt,hJet2_eta,hJet2_phi, hJet2_mass);
58	>
59	>	return (H1 + H2).M();
60	>
61	>	}
62	>
63	>	double Hmass_3j(double h_eta,double h_phi,double h_pt, double h_mass,
64	>	double aJet_eta,double aJet_phi,double aJet_pt, double aJet_mass){
65	>
66	>	TLorentzVector H, H3;
67	>	H.SetPtEtaPhiM( h_pt,h_eta,h_phi, h_mass);;
68	>	H3.SetPtEtaPhiM(aJet_pt,aJet_eta,aJet_phi, aJet_mass);
69	>
70	>	return (H + H3).M();
71	>
72	>
73	>	}
74	>
75	>	double ANGLELZ(double pt, double eta, double phi, double mass, double pt2, double eta2, double phi2, double mass2){
76	>	TLorentzVector m1, m2, msum;
77	>	m1.SetPtEtaPhiM(pt, eta, phi, mass);
78	>	m2.SetPtEtaPhiM(pt2, eta2, phi2, mass2);
79	>	msum = m1 + m2;
80	>
81	>	TVector3 bZ =  msum.BoostVector();
82	>
83	>	m1.Boost(-bZ);
84	>	m2.Boost(-bZ);
85	>
86	>	TVector3 b1;
87	>
88	>
89	>	if((int) (pt) % 2 == 0)
90	>	b1 =  m1.BoostVector();
91	>	else
92	>	b1 =  m2.BoostVector();
93	>
94	>	double cosTheta = b1.Dot(msum.BoostVector()) / (b1.Mag()*msum.BoostVector().Mag());
95	>	return(cosTheta);
96	>	}
97	>
98	>
99	>	double ANGLEHB(double pt, double eta, double phi, double e, double pt2, double eta2, double phi2, double e2){
100	>	TLorentzVector m1, m2, msum;
101	>	m1.SetPtEtaPhiE(pt, eta, phi, e);
102	>	m2.SetPtEtaPhiE(pt2, eta2, phi2, e2);
103	>	msum = m1 + m2;
104	>
105	>	TVector3 bZ =  msum.BoostVector();
106	>
107	>	m1.Boost(-bZ);
108	>	m2.Boost(-bZ);
109	>
110	>	TVector3 b1;
111	>
112	>	if((int) (pt) % 2 == 0)
113	>	b1 =  m1.BoostVector();
114	>	else
115	>	b1 =  m2.BoostVector();
116	>
117	>	double cosTheta = b1.Dot(msum.BoostVector()) / (b1.Mag()*msum.BoostVector().Mag());
118	>	return(cosTheta);
119	>	}
120	>
121	>	double metCorSysShift(double met, double metphi, int Nvtx, int EVENT_run)
122	>	{
123	>	double metx = met * cos(metphi);
124	>	double mety = met * sin(metphi);
125	>	double px = 0.0, py = 0.0;
126	>	if (EVENT_run!=1) {
127	>	//pfMEtSysShiftCorrParameters_2012runAplusBvsNvtx_data
128	>	px = +1.68804e-01 + 3.37139e-01*Nvtx;
129	>	py = -1.72555e-01 - 1.79594e-01*Nvtx;
130	>	} else {
131	>	//pfMEtSysShiftCorrParameters_2012runAplusBvsNvtx_mc
132	>	px = +2.22335e-02 - 6.59183e-02*Nvtx;
133	>	py = +1.52720e-01 - 1.28052e-01*Nvtx;
134		}
135	+	metx -= px;
136	+	mety -= py;
137	+	return std::sqrt(metx*metx + mety*mety);
138	+	}
139	+
140	+	double metphiCorSysShift(double met, double metphi, int Nvtx, int EVENT_run)
141	+	{
142	+	double metx = met * cos(metphi);
143	+	double mety = met * sin(metphi);
144	+	double px = 0.0, py = 0.0;
145	+	if (EVENT_run!=1) {
146	+
147	+	//pfMEtSysShiftCorrParameters_2012runAplusBvsNvtx_data
148	+	px = +1.68804e-01 + 3.37139e-01*Nvtx;
149	+	py = -1.72555e-01 - 1.79594e-01*Nvtx;
150	+	} else {
151	+	//pfMEtSysShiftCorrParameters_2012runAplusBvsNvtx_mc
152	+	px = +2.22335e-02 - 6.59183e-02*Nvtx;
153	+	py = +1.52720e-01 - 1.28052e-01*Nvtx;
154	+	}
155	+	metx -= px;
156	+	mety -= py;
157	+	if (metx == 0.0 && mety == 0.0)
158	+	return 0.0;
159	+
160	+	double phi1 = std::atan2(mety,metx);
161	+	double phi2 = std::atan2(mety,metx)-2.0*M_PI;
162	+	if (std::abs(phi1-metphi) < std::abs(phi2-metphi)+0.5*M_PI)
163	+	return phi1;
164	+	else
165	+	return phi2;
166	+	}
167	+
168	+	double resolutionBias(double eta)
169	+	{
170	+	// return 0;//Nominal!
171	+	if(eta< 1.1) return 0.05;
172	+	if(eta< 2.5) return 0.10;
173	+	if(eta< 5) return 0.30;
174	+	return 0;
175	+	}
176	+
177	+	double evalJERBias( double ptreco, double ptgen, double eta1){
178	+	double eta = fabs(eta1);
179	+	double cor =1;
180	+	if ((fabs(ptreco - ptgen)/ ptreco)<0.5) { //Limit the effect to the core
181	+	cor = (ptreco +resolutionBias(eta) *(ptreco-ptgen))/ptreco;
182	+	}
183	+	return ptreco*cor;
184	+	}
185	+
186	+	double evalEt( double pt, double eta, double phi, double e){
187	+	TLorentzVector j;
188	+	j.SetPtEtaPhiE(pt,eta,phi, e );
189	+	return j.Et();
190	+
191	+	}
192	+
193	+	double evalMt( double pt, double eta, double phi, double e){
194	+	TLorentzVector j;
195	+	j.SetPtEtaPhiE(pt,eta,phi, e );
196	+	return j.Mt();
197	+
198	+	}
199	+
200		}
201

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