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d5ebf00e | 1 | /************************************************************************** |
2 | * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * | |
3 | * * | |
4 | * Author: The ALICE Off-line Project. * | |
5 | * Contributors are mentioned in the code where appropriate. * | |
6 | * * | |
7 | * Permission to use, copy, modify and distribute this software and its * | |
8 | * documentation strictly for non-commercial purposes is hereby granted * | |
9 | * without fee, provided that the above copyright notice appears in all * | |
10 | * copies and that both the copyright notice and this permission notice * | |
11 | * appear in the supporting documentation. The authors make no claims * | |
12 | * about the suitability of this software for any purpose. It is * | |
13 | * provided "as is" without express or implied warranty. * | |
14 | **************************************************************************/ | |
15 | ||
16 | ||
17 | //------------------------------------------------------------------------- | |
18 | // Implementation of Class AliESDZDC | |
19 | // This is a class that summarizes the ZDC data | |
20 | // for the ESD | |
21 | // Origin: Christian Klein-Boesing, CERN, Christian.Klein-Boesing@cern.ch | |
22 | //------------------------------------------------------------------------- | |
23 | ||
cb6a0388 | 24 | #include <TMath.h> |
d5ebf00e | 25 | |
26 | #include "AliESDZDC.h" | |
27 | ||
28 | ClassImp(AliESDZDC) | |
29 | ||
30 | //______________________________________________________________________________ | |
31 | AliESDZDC::AliESDZDC() : | |
32 | TObject(), | |
33 | fZDCN1Energy(0), | |
34 | fZDCP1Energy(0), | |
35 | fZDCN2Energy(0), | |
36 | fZDCP2Energy(0), | |
f6536de8 | 37 | fZDCEMEnergy(0), |
38 | fZDCEMEnergy1(0), | |
2b6cdc43 | 39 | fZDCParticipants(0), |
5f0ec064 | 40 | fZDCPartSideA(0), |
41 | fZDCPartSideC(0), | |
42 | fImpactParameter(0), | |
43 | fImpactParamSideA(0), | |
44 | fImpactParamSideC(0), | |
45 | fESDQuality(0) | |
d5ebf00e | 46 | { |
89291556 | 47 | for(Int_t i=0; i<5; i++){ |
a85132e7 | 48 | fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.; |
49 | fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.; | |
50 | fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.; | |
51 | fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.; | |
52 | } | |
89291556 | 53 | for(Int_t i=0; i<2; i++){ |
54 | fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.; | |
55 | } | |
54c6a92c | 56 | for(Int_t i=0; i<32; i++) fVMEScaler[i]=0; |
d5ebf00e | 57 | } |
58 | ||
2b6cdc43 | 59 | //______________________________________________________________________________ |
d5ebf00e | 60 | AliESDZDC::AliESDZDC(const AliESDZDC& zdc) : |
61 | TObject(zdc), | |
62 | fZDCN1Energy(zdc.fZDCN1Energy), | |
63 | fZDCP1Energy(zdc.fZDCP1Energy), | |
64 | fZDCN2Energy(zdc.fZDCN2Energy), | |
65 | fZDCP2Energy(zdc.fZDCP2Energy), | |
f6536de8 | 66 | fZDCEMEnergy(zdc.fZDCEMEnergy), |
67 | fZDCEMEnergy1(zdc.fZDCEMEnergy1), | |
2b6cdc43 | 68 | fZDCParticipants(zdc.fZDCParticipants), |
5f0ec064 | 69 | fZDCPartSideA(zdc.fZDCPartSideA), |
70 | fZDCPartSideC(zdc.fZDCPartSideC), | |
71 | fImpactParameter(zdc.fImpactParameter), | |
8c755c03 | 72 | fImpactParamSideA(zdc.fImpactParamSideA), |
73 | fImpactParamSideC(zdc.fImpactParamSideC), | |
5f0ec064 | 74 | fESDQuality(zdc.fESDQuality) |
d5ebf00e | 75 | { |
76 | // copy constructor | |
89291556 | 77 | for(Int_t i=0; i<5; i++){ |
a85132e7 | 78 | fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i]; |
79 | fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i]; | |
80 | fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i]; | |
81 | fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i]; | |
82 | fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i]; | |
83 | fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i]; | |
84 | fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i]; | |
85 | fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i]; | |
86 | } | |
89291556 | 87 | for(Int_t i=0; i<2; i++){ |
88 | fZNACentrCoord[i] = zdc.fZNACentrCoord[i]; | |
89 | fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i]; | |
90 | } | |
54c6a92c | 91 | for(Int_t i=0; i<32; i++) fVMEScaler[i] = zdc.fVMEScaler[i]; |
d5ebf00e | 92 | } |
93 | ||
2b6cdc43 | 94 | //______________________________________________________________________________ |
d5ebf00e | 95 | AliESDZDC& AliESDZDC::operator=(const AliESDZDC&zdc) |
96 | { | |
97 | // assigment operator | |
98 | if(this!=&zdc) { | |
99 | TObject::operator=(zdc); | |
100 | fZDCN1Energy = zdc.fZDCN1Energy; | |
101 | fZDCP1Energy = zdc.fZDCP1Energy; | |
102 | fZDCN2Energy = zdc.fZDCN2Energy; | |
103 | fZDCP2Energy = zdc.fZDCP2Energy; | |
f6536de8 | 104 | fZDCEMEnergy = zdc.fZDCEMEnergy; |
105 | fZDCEMEnergy1 = zdc.fZDCEMEnergy1; | |
a85132e7 | 106 | for(Int_t i=0; i<5; i++){ |
7b4458a2 | 107 | fZN1TowerEnergy[i] = zdc.fZN1TowerEnergy[i]; |
108 | fZN2TowerEnergy[i] = zdc.fZN2TowerEnergy[i]; | |
a85132e7 | 109 | fZP1TowerEnergy[i] = zdc.fZP1TowerEnergy[i]; |
110 | fZP2TowerEnergy[i] = zdc.fZP2TowerEnergy[i]; | |
111 | fZN1TowerEnergyLR[i] = zdc.fZN1TowerEnergyLR[i]; | |
112 | fZN2TowerEnergyLR[i] = zdc.fZN2TowerEnergyLR[i]; | |
113 | fZP1TowerEnergyLR[i] = zdc.fZP1TowerEnergyLR[i]; | |
114 | fZP2TowerEnergyLR[i] = zdc.fZP2TowerEnergyLR[i]; | |
7b4458a2 | 115 | } |
5f0ec064 | 116 | // |
117 | fZDCParticipants = zdc.fZDCParticipants; | |
118 | fZDCPartSideA = zdc.fZDCPartSideA; | |
119 | fZDCPartSideC = zdc.fZDCPartSideC; | |
120 | fImpactParameter = zdc.fImpactParameter; | |
121 | fImpactParamSideA = zdc.fImpactParamSideA; | |
122 | fImpactParamSideC = zdc.fImpactParamSideC; | |
123 | // | |
89291556 | 124 | for(Int_t i=0; i<2; i++){ |
125 | fZNACentrCoord[i] = zdc.fZNACentrCoord[i]; | |
126 | fZNCCentrCoord[i] = zdc.fZNCCentrCoord[i]; | |
127 | } | |
5f0ec064 | 128 | // |
129 | fESDQuality = zdc.fESDQuality; | |
54c6a92c | 130 | for(Int_t i=0; i<32; i++) fVMEScaler[i] = zdc.fVMEScaler[i]; |
d5ebf00e | 131 | } |
132 | return *this; | |
133 | } | |
134 | ||
2b6cdc43 | 135 | //______________________________________________________________________________ |
732a24fe | 136 | void AliESDZDC::Copy(TObject &obj) const { |
137 | ||
138 | // this overwrites the virtual TOBject::Copy() | |
139 | // to allow run time copying without casting | |
140 | // in AliESDEvent | |
141 | ||
142 | if(this==&obj)return; | |
143 | AliESDZDC *robj = dynamic_cast<AliESDZDC*>(&obj); | |
144 | if(!robj)return; // not an AliESDZDC | |
145 | *robj = *this; | |
146 | ||
147 | } | |
148 | ||
d5ebf00e | 149 | |
150 | //______________________________________________________________________________ | |
151 | void AliESDZDC::Reset() | |
152 | { | |
153 | // reset all data members | |
154 | fZDCN1Energy=0; | |
155 | fZDCP1Energy=0; | |
156 | fZDCN2Energy=0; | |
157 | fZDCP2Energy=0; | |
f6536de8 | 158 | fZDCEMEnergy=0; |
159 | fZDCEMEnergy1=0; | |
89291556 | 160 | for(Int_t i=0; i<5; i++){ |
a85132e7 | 161 | fZN1TowerEnergy[i] = fZN2TowerEnergy[i] = 0.; |
162 | fZP1TowerEnergy[i] = fZP2TowerEnergy[i] = 0.; | |
163 | fZN1TowerEnergyLR[i] = fZN2TowerEnergyLR[i] = 0.; | |
164 | fZP1TowerEnergyLR[i] = fZP2TowerEnergyLR[i] = 0.; | |
165 | } | |
5f0ec064 | 166 | fZDCParticipants=0; |
167 | fZDCPartSideA=0; | |
168 | fZDCPartSideC=0; | |
169 | fImpactParameter=0; | |
170 | fImpactParamSideA=0; | |
171 | fImpactParamSideC=0; | |
89291556 | 172 | for(Int_t i=0; i<2; i++){ |
173 | fZNACentrCoord[i] = fZNCCentrCoord[i] = 0.; | |
174 | } | |
5f0ec064 | 175 | fESDQuality=0; |
54c6a92c | 176 | for(Int_t i=0; i<32; i++) fVMEScaler[i] = 0; |
d5ebf00e | 177 | } |
178 | ||
179 | //______________________________________________________________________________ | |
180 | void AliESDZDC::Print(const Option_t *) const | |
181 | { | |
a85132e7 | 182 | // Print ESD for the ZDC |
5f0ec064 | 183 | printf("\n \t E_{ZNC} = %f TeV, E_{ZPC} = %f TeV, E_{ZNA} = %f TeV, E_{ZPA} = %f TeV," |
184 | " E_{ZEM} = %f GeV, Npart = %d, b = %1.2f fm\n", | |
185 | fZDCN1Energy/1000.,fZDCP1Energy/1000.,fZDCN2Energy/1000.,fZDCP2Energy/1000., | |
186 | fZDCEMEnergy+fZDCEMEnergy1, fZDCParticipants,fImpactParameter); | |
54c6a92c | 187 | // |
188 | printf(" ### fVMEScaler: \n"); | |
189 | for(Int_t i=0; i<32; i++) printf("\t datum %d: %d \n",i,fVMEScaler[i]); | |
190 | printf("\n"); | |
d5ebf00e | 191 | } |
192 | ||
d1d3e36b | 193 | //______________________________________________________________________________ |
789b8a8d | 194 | Bool_t AliESDZDC::GetZNCentroidInPbPb(Float_t beamEne, Double_t centrZNC[2], Double_t centrZNA[2]) |
d1d3e36b | 195 | { |
196 | // Provide coordinates of centroid over ZN (side C) front face | |
789b8a8d | 197 | if(beamEne==0){ |
198 | printf(" ZDC centroid in PbPb can't be calculated with E_beam = 0 !!!\n"); | |
199 | for(Int_t jj=0; jj<2; jj++) fZNCCentrCoord[jj] = 999.; | |
200 | return kFALSE; | |
201 | } | |
202 | ||
b19cc8d0 | 203 | const Float_t x[4] = {-1.75, 1.75, -1.75, 1.75}; |
204 | const Float_t y[4] = {-1.75, -1.75, 1.75, 1.75}; | |
b19cc8d0 | 205 | const Float_t alpha=0.395; |
789b8a8d | 206 | Float_t numXZNC=0., numYZNC=0., denZNC=0., cZNC, wZNC; |
207 | Float_t numXZNA=0., numYZNA=0., denZNA=0., cZNA, wZNA; | |
5f0ec064 | 208 | // |
789b8a8d | 209 | for(Int_t i=0; i<4; i++){ |
b19cc8d0 | 210 | if(fZN1TowerEnergy[i+1]>0.) { |
789b8a8d | 211 | wZNC = TMath::Power(fZN1TowerEnergy[i+1], alpha); |
212 | numXZNC += x[i]*wZNC; | |
213 | numYZNC += y[i]*wZNC; | |
214 | denZNC += wZNC; | |
b19cc8d0 | 215 | } |
b19cc8d0 | 216 | if(fZN2TowerEnergy[i+1]>0.) { |
789b8a8d | 217 | wZNA = TMath::Power(fZN1TowerEnergy[i+1], alpha); |
218 | numXZNA += x[i]*wZNA; | |
219 | numYZNA += y[i]*wZNA; | |
220 | denZNA += wZNA; | |
b19cc8d0 | 221 | } |
789b8a8d | 222 | } |
ce099621 | 223 | // |
789b8a8d | 224 | if(denZNC!=0){ |
225 | Float_t nSpecnC = fZDCN1Energy/beamEne; | |
226 | cZNC = 1.89358-0.71262/(nSpecnC+0.71789); | |
227 | fZNCCentrCoord[0] = cZNC*numXZNC/denZNC; | |
228 | fZNCCentrCoord[1] = cZNC*numYZNC/denZNC; | |
229 | } | |
230 | else{ | |
231 | fZNCCentrCoord[0] = fZNCCentrCoord[1] = 999.; | |
b19cc8d0 | 232 | } |
789b8a8d | 233 | if(denZNA!=0){ |
234 | Float_t nSpecnA = fZDCN1Energy/beamEne; | |
235 | cZNA = 1.89358-0.71262/(nSpecnA+0.71789); | |
236 | fZNCCentrCoord[0] = cZNA*numXZNA/denZNA; | |
237 | fZNCCentrCoord[1] = cZNA*numYZNA/denZNA; | |
238 | } | |
239 | else{ | |
240 | fZNACentrCoord[0] = fZNACentrCoord[1] = 999.; | |
241 | } | |
242 | // | |
243 | for(Int_t il=0; il<2; il++){ | |
244 | centrZNC[il] = fZNCCentrCoord[il]; | |
245 | centrZNA[il] = fZNACentrCoord[il]; | |
246 | } | |
247 | ||
248 | return kTRUE; | |
b19cc8d0 | 249 | } |
250 | ||
251 | //______________________________________________________________________________ | |
789b8a8d | 252 | Bool_t AliESDZDC::GetZNCentroidInpp(Double_t centrZNC[2], Double_t centrZNA[2]) |
b19cc8d0 | 253 | { |
254 | // Provide coordinates of centroid over ZN (side C) front face | |
255 | const Float_t x[4] = {-1.75, 1.75, -1.75, 1.75}; | |
256 | const Float_t y[4] = {-1.75, -1.75, 1.75, 1.75}; | |
b19cc8d0 | 257 | const Float_t alpha=0.5; |
789b8a8d | 258 | Float_t numXZNC=0., numYZNC=0., denZNC=0., wZNC; |
259 | Float_t numXZNA=0., numYZNA=0., denZNA=0., wZNA; | |
b19cc8d0 | 260 | // |
789b8a8d | 261 | for(Int_t i=0; i<4; i++){ |
b19cc8d0 | 262 | if(fZN1TowerEnergy[i+1]>0.) { |
789b8a8d | 263 | wZNC = TMath::Power(fZN1TowerEnergy[i+1], alpha); |
264 | numXZNC += x[i]*wZNC; | |
265 | numYZNC += y[i]*wZNC; | |
266 | denZNC += wZNC; | |
b19cc8d0 | 267 | } |
b19cc8d0 | 268 | if(fZN2TowerEnergy[i+1]>0.) { |
789b8a8d | 269 | wZNA = TMath::Power(fZN2TowerEnergy[i+1], alpha); |
270 | numXZNA += x[i]*wZNA; | |
271 | numYZNA += y[i]*wZNA; | |
272 | denZNA += wZNA; | |
b19cc8d0 | 273 | } |
789b8a8d | 274 | } |
275 | // | |
276 | if(denZNC!=0){ | |
277 | fZNCCentrCoord[0] = numXZNC/denZNC; | |
278 | fZNCCentrCoord[1] = numYZNC/denZNC; | |
279 | } | |
280 | else{ | |
281 | fZNCCentrCoord[0] = fZNCCentrCoord[1] = 999.; | |
282 | } | |
283 | if(denZNA!=0){ | |
284 | fZNACentrCoord[0] = numXZNA/denZNA; | |
285 | fZNACentrCoord[1] = numYZNA/denZNA; | |
286 | } | |
287 | else{ | |
288 | fZNACentrCoord[0] = fZNACentrCoord[1] = 999.; | |
289 | } | |
b19cc8d0 | 290 | // |
789b8a8d | 291 | for(Int_t il=0; il<2; il++){ |
292 | centrZNC[il] = fZNCCentrCoord[il]; | |
293 | centrZNA[il] = fZNACentrCoord[il]; | |
ce099621 | 294 | } |
789b8a8d | 295 | |
296 | return kTRUE; | |
d1d3e36b | 297 | } |