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8309c1ab | 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 | /* $Id$ */ | |
17 | ||
18 | /////////////////////////////////////////////////////////////////////////////// | |
19 | // // | |
20 | // class for ZDC reconstruction // | |
21 | // // | |
22 | /////////////////////////////////////////////////////////////////////////////// | |
23 | ||
24 | ||
25 | #include <TF1.h> | |
26 | ||
27 | #include "AliRunLoader.h" | |
28 | #include "AliRawReader.h" | |
af885e0f | 29 | #include "AliESDEvent.h" |
8309c1ab | 30 | #include "AliZDCDigit.h" |
31 | #include "AliZDCRawStream.h" | |
32 | #include "AliZDCReco.h" | |
33 | #include "AliZDCReconstructor.h" | |
48642b09 | 34 | #include "AliZDCCalibData.h" |
8309c1ab | 35 | |
36 | ||
37 | ClassImp(AliZDCReconstructor) | |
38 | ||
39 | ||
40 | //_____________________________________________________________________________ | |
cc2abffd | 41 | AliZDCReconstructor:: AliZDCReconstructor() : |
42 | ||
646f1679 | 43 | fZNCen(new TF1("fZNCen", |
cc2abffd | 44 | "(-2.287920+sqrt(2.287920*2.287920-4*(-0.007629)*(11.921710-x)))/(2*(-0.007629))",0.,164.)), |
646f1679 | 45 | fZNPer(new TF1("fZNPer", |
cc2abffd | 46 | "(-37.812280-sqrt(37.812280*37.812280-4*(-0.190932)*(-1709.249672-x)))/(2*(-0.190932))",0.,164.)), |
646f1679 | 47 | fZPCen(new TF1("fZPCen", |
cc2abffd | 48 | "(-1.321353+sqrt(1.321353*1.321353-4*(-0.007283)*(3.550697-x)))/(2*(-0.007283))",0.,60.)), |
646f1679 | 49 | fZPPer(new TF1("fZPPer", |
cc2abffd | 50 | "(-42.643308-sqrt(42.643308*42.643308-4*(-0.310786)*(-1402.945615-x)))/(2*(-0.310786))",0.,60.)), |
646f1679 | 51 | fZDCCen(new TF1("fZDCCen", |
cc2abffd | 52 | "(-1.934991+sqrt(1.934991*1.934991-4*(-0.004080)*(15.111124-x)))/(2*(-0.004080))",0.,225.)), |
646f1679 | 53 | fZDCPer(new TF1("fZDCPer", |
cc2abffd | 54 | "(-34.380639-sqrt(34.380639*34.380639-4*(-0.104251)*(-2612.189017-x)))/(2*(-0.104251))",0.,225.)), |
646f1679 | 55 | fbCen(new TF1("fbCen","-0.056923+0.079703*x-0.0004301*x*x+0.000001366*x*x*x",0.,220.)), |
56 | fbPer(new TF1("fbPer","17.943998-0.046846*x+0.000074*x*x",0.,220.)), | |
57 | fZEMn(new TF1("fZEMn","126.2-0.05399*x+0.000005679*x*x",0.,4000.)), | |
58 | fZEMp(new TF1("fZEMp","82.49-0.03611*x+0.00000385*x*x",0.,4000.)), | |
59 | fZEMsp(new TF1("fZEMsp","208.7-0.09006*x+0.000009526*x*x",0.,4000.)), | |
60 | fZEMb(new TF1("fZEMb", | |
cc2abffd | 61 | "16.06-0.01633*x+1.44e-5*x*x-6.778e-9*x*x*x+1.438e-12*x*x*x*x-1.112e-16*x*x*x*x*x",0.,4000.)), |
646f1679 | 62 | // |
cc2abffd | 63 | fCalibData(GetCalibData()) |
8309c1ab | 64 | |
8309c1ab | 65 | { |
cc2abffd | 66 | // **** Default constructor |
8309c1ab | 67 | |
8309c1ab | 68 | } |
69 | ||
8309c1ab | 70 | |
71 | //_____________________________________________________________________________ | |
72 | AliZDCReconstructor::~AliZDCReconstructor() | |
73 | { | |
74 | // destructor | |
75 | ||
76 | delete fZNCen; | |
77 | delete fZNPer; | |
78 | delete fZPCen; | |
79 | delete fZPPer; | |
80 | delete fZDCCen; | |
81 | delete fZDCPer; | |
82 | delete fbCen; | |
83 | delete fbPer; | |
84 | delete fZEMn; | |
85 | delete fZEMp; | |
86 | delete fZEMsp; | |
87 | delete fZEMb; | |
646f1679 | 88 | |
8309c1ab | 89 | } |
90 | ||
91 | ||
92 | //_____________________________________________________________________________ | |
70f04f6d | 93 | void AliZDCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const |
8309c1ab | 94 | { |
48642b09 | 95 | // *** Local ZDC reconstruction for digits |
70f04f6d | 96 | // Works on the current event |
78d18275 | 97 | |
646f1679 | 98 | // Retrieving calibration data |
48642b09 | 99 | Float_t meanPed[47]; |
78d18275 | 100 | for(Int_t jj=0; jj<47; jj++) meanPed[jj] = fCalibData->GetMeanPed(jj); |
8309c1ab | 101 | |
70f04f6d | 102 | // get digits |
8309c1ab | 103 | AliZDCDigit digit; |
104 | AliZDCDigit* pdigit = &digit; | |
70f04f6d | 105 | digitsTree->SetBranchAddress("ZDC", &pdigit); |
106 | ||
107 | // loop over digits | |
646f1679 | 108 | Float_t ZN1TowCorrHG[5], ZP1TowCorrHG[5], ZEMCorrHG=0., |
109 | ZN2TowCorrHG[5], ZP2TowCorrHG[5]; | |
110 | Float_t ZN1TowCorrLG[5], ZP1TowCorrLG[5], ZEMCorrLG=0., | |
111 | ZN2TowCorrLG[5], ZP2TowCorrLG[5]; | |
112 | ||
70f04f6d | 113 | for (Int_t iDigit = 0; iDigit < digitsTree->GetEntries(); iDigit++) { |
114 | digitsTree->GetEntry(iDigit); | |
115 | if (!pdigit) continue; | |
646f1679 | 116 | |
117 | Int_t det = digit.GetSector(0); | |
118 | Int_t quad = digit.GetSector(1); | |
119 | Int_t pedindex; | |
120 | // | |
121 | if(det == 1){ // *** ZN1 | |
122 | pedindex = quad; | |
123 | ZN1TowCorrHG[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
124 | ZN1TowCorrLG[quad] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+5]); | |
125 | } | |
126 | else if(det == 2){ // *** ZP1 | |
127 | pedindex = quad+10; | |
128 | ZP1TowCorrHG[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
129 | ZP1TowCorrLG[quad] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+5]); | |
130 | } | |
131 | else if(det == 3){ | |
132 | if(quad == 1){ // *** ZEM1 | |
133 | pedindex = quad+20; | |
134 | ZEMCorrHG += (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
135 | ZEMCorrLG += (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+2]); | |
136 | } | |
137 | else if(quad == 2){ // *** ZEM1 | |
138 | pedindex = quad+21; | |
139 | ZEMCorrHG += (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
140 | ZEMCorrLG += (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+2]); | |
141 | } | |
142 | } | |
143 | else if(det == 4){ // *** ZN2 | |
144 | pedindex = quad+24; | |
145 | ZN2TowCorrHG[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
146 | ZN2TowCorrLG[quad] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+5]); | |
147 | } | |
148 | else if(det == 5){ // *** ZP2 | |
149 | pedindex = quad+34; | |
150 | ZP2TowCorrHG[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]); | |
151 | ZP2TowCorrLG[quad] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+5]); | |
8309c1ab | 152 | } |
8309c1ab | 153 | } |
70f04f6d | 154 | |
155 | // reconstruct the event | |
646f1679 | 156 | ReconstructEvent(clustersTree, ZN1TowCorrHG, ZP1TowCorrHG, ZN2TowCorrHG, |
157 | ZP2TowCorrHG, ZN1TowCorrLG, ZP1TowCorrLG, ZN2TowCorrLG, | |
158 | ZP2TowCorrLG, ZEMCorrHG); | |
8309c1ab | 159 | |
8309c1ab | 160 | } |
161 | ||
162 | //_____________________________________________________________________________ | |
70f04f6d | 163 | void AliZDCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const |
8309c1ab | 164 | { |
70f04f6d | 165 | // *** ZDC raw data reconstruction |
166 | // Works on the current event | |
48642b09 | 167 | |
646f1679 | 168 | // Retrieving calibration data |
48642b09 | 169 | Float_t meanPed[47]; |
78d18275 | 170 | for(Int_t jj=0; jj<47; jj++) meanPed[jj] = fCalibData->GetMeanPed(jj); |
8309c1ab | 171 | |
70f04f6d | 172 | rawReader->Reset(); |
173 | ||
646f1679 | 174 | // loop over raw data rawDatas |
175 | Float_t ZN1TowCorrHG[5], ZP1TowCorrHG[5], ZEMCorrHG=0., | |
176 | ZN2TowCorrHG[5], ZP2TowCorrHG[5]; | |
177 | Float_t ZN1TowCorrLG[5], ZP1TowCorrLG[5], ZEMCorrLG=0., | |
178 | ZN2TowCorrLG[5], ZP2TowCorrLG[5]; | |
179 | // | |
180 | AliZDCRawStream rawData(rawReader); | |
181 | while (rawData.Next()) { | |
182 | if(rawData.IsADCDataWord()){ | |
183 | Int_t det = rawData.GetSector(0); | |
184 | Int_t quad = rawData.GetSector(1); | |
185 | Int_t gain = rawData.GetADCGain(); | |
186 | Int_t pedindex; | |
187 | // | |
188 | if(det == 1){ | |
189 | pedindex = quad; | |
190 | if(gain == 0) ZN1TowCorrHG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
191 | else ZN1TowCorrLG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+5]); | |
192 | } | |
193 | else if(det == 2){ | |
194 | pedindex = quad+10; | |
195 | if(gain == 0) ZP1TowCorrHG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
196 | else ZP1TowCorrLG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+5]); | |
197 | } | |
198 | else if(det == 3){ | |
199 | if(quad==1){ | |
200 | pedindex = quad+20; | |
201 | if(gain == 0) ZEMCorrHG += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
202 | else ZEMCorrLG += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+2]); | |
203 | } | |
204 | else if(quad==2){ | |
205 | pedindex = rawData.GetSector(1)+21; | |
206 | if(gain == 0) ZEMCorrHG += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
207 | else ZEMCorrLG += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+2]); | |
208 | } | |
209 | } | |
210 | else if(det == 4){ | |
211 | pedindex = rawData.GetSector(1)+24; | |
212 | if(gain == 0) ZN2TowCorrHG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
213 | else ZN2TowCorrLG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+2]); | |
214 | } | |
215 | else if(det == 5){ | |
216 | pedindex = rawData.GetSector(1)+34; | |
217 | if(gain == 0) ZP2TowCorrHG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]); | |
218 | else ZP2TowCorrLG[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+5]); | |
8309c1ab | 219 | } |
220 | } | |
8309c1ab | 221 | } |
70f04f6d | 222 | |
223 | // reconstruct the event | |
646f1679 | 224 | ReconstructEvent(clustersTree, ZN1TowCorrHG, ZP1TowCorrHG, ZN2TowCorrHG, |
225 | ZP2TowCorrHG, ZN1TowCorrLG, ZP1TowCorrLG, ZN2TowCorrLG, | |
226 | ZP2TowCorrLG, ZEMCorrHG); | |
8309c1ab | 227 | |
8309c1ab | 228 | } |
229 | ||
230 | //_____________________________________________________________________________ | |
646f1679 | 231 | void AliZDCReconstructor::ReconstructEvent(TTree *clustersTree, |
232 | Float_t* ZN1ADCCorrHG, Float_t* ZP1ADCCorrHG, | |
233 | Float_t* ZN2ADCCorrHG, Float_t* ZP2ADCCorrHG, | |
234 | Float_t* ZN1ADCCorrLG, Float_t* ZP1ADCCorrLG, | |
235 | Float_t* ZN2ADCCorrLG, Float_t* ZP2ADCCorrLG, | |
236 | Float_t ZEMADCCorrHG) const | |
8309c1ab | 237 | { |
48642b09 | 238 | // ***** Reconstruct one event |
8309c1ab | 239 | |
646f1679 | 240 | // *** RECONSTRUCTION FROM SIMULATED DATA |
241 | // It passes trhough the no. of phe which is known from simulations | |
8309c1ab | 242 | // --- ADCchannel -> photoelectrons |
243 | // NB-> PM gain = 10^(5), ADC resolution = 6.4*10^(-7) | |
244 | // Move to V965 (E.S.,15/09/04) NB-> PM gain = 10^(5), ADC resolution = 8*10^(-7) | |
646f1679 | 245 | //Float_t zn1phe, zp1phe, zemphe, zn2phe, zp2phe, convFactor = 0.08; |
246 | //zn1phe = ZN1Corr/convFactor; | |
247 | //zp1phe = ZP1Corr/convFactor; | |
248 | //zemphe = ZEMCorr/convFactor; | |
249 | //zn2phe = ZN2Corr/convFactor; | |
250 | //zp2phe = ZP2Corr/convFactor; | |
251 | ////if AliDebug(1,Form("\n znphe = %f, zpphe = %f, zemphe = %f\n",znphe, zpphe, zemphe); | |
252 | // | |
253 | //// --- Energy calibration | |
254 | //// Conversion factors for hadronic ZDCs goes from phe yield to TRUE | |
255 | //// incident energy (conversion from GeV to TeV is included); while for EM | |
256 | //// calos conversion is from light yield to detected energy calculated by | |
257 | //// GEANT NB -> ZN and ZP conversion factors are constant since incident | |
258 | //// spectators have all the same energy, ZEM energy is obtained through a | |
259 | //// fit over the whole range of incident particle energies | |
260 | //// (obtained with full HIJING simulations) | |
261 | //Float_t zn1energy, zp1energy, zemenergy, zdc1energy, zn2energy, zp2energy, zdc2energy; | |
262 | //Float_t zn1phexTeV=329., zp1phexTeV=369., zn2phexTeV=329., zp2phexTeV=369.; | |
263 | //zn1energy = zn1phe/zn1phexTeV; | |
264 | //zp1energy = zp1phe/zp1phexTeV; | |
265 | //zdc1energy = zn1energy+zp1energy; | |
266 | //zn2energy = zn2phe/zn2phexTeV; | |
267 | //zp2energy = zp2phe/zp2phexTeV; | |
268 | //zdc2energy = zn2energy+zp2energy; | |
269 | //zemenergy = -4.81+0.3238*zemphe; | |
270 | //if(zemenergy<0) zemenergy=0; | |
271 | //// if AliDebug(1,Form(" znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, " | |
272 | //// "\n zemenergy = %f TeV\n", znenergy, zpenergy, | |
273 | //// zdcenergy, zemenergy); | |
274 | //// if(zdcenergy==0) | |
275 | //// if AliDebug(1,Form("\n\n ### ATTENZIONE!!! -> ev# %d: znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, " | |
276 | //// " zemenergy = %f TeV\n\n", fMerger->EvNum(), znenergy, zpenergy, zdcenergy, zemenergy); | |
277 | ||
278 | // | |
279 | // *** RECONSTRUCTION FROM "REAL" DATA | |
280 | // | |
281 | // Retrieving calibration data | |
282 | Float_t ZN1EqualCoeff[5], ZP1EqualCoeff[5], ZN2EqualCoeff[5], ZP2EqualCoeff[5]; | |
283 | for(Int_t ji=0; ji<5; ji++){ | |
284 | ZN1EqualCoeff[ji] = fCalibData->GetZN1EqualCoeff(ji); | |
285 | ZP1EqualCoeff[ji] = fCalibData->GetZP1EqualCoeff(ji); | |
286 | ZN2EqualCoeff[ji] = fCalibData->GetZN2EqualCoeff(ji); | |
287 | ZP2EqualCoeff[ji] = fCalibData->GetZP2EqualCoeff(ji); | |
288 | } | |
289 | // | |
290 | Float_t CalibEne[4]; | |
291 | for(Int_t ij=0; ij<4; ij++) CalibEne[ij] = fCalibData->GetEnCalib(ij); | |
292 | // | |
293 | Float_t ZEMEndPoint = fCalibData->GetZEMEndValue(); | |
294 | Float_t ZEMCutFraction = fCalibData->GetZEMCutFraction(); | |
295 | Float_t DZEMSup = fCalibData->GetDZEMSup(); | |
296 | Float_t DZEMInf = fCalibData->GetDZEMInf(); | |
297 | // | |
298 | Float_t ZEMCutValue = ZEMEndPoint*ZEMCutFraction; | |
299 | Float_t ZEMSupValue = ZEMCutValue+(ZEMEndPoint*DZEMSup); | |
300 | Float_t ZEMInfValue = ZEMCutValue-(ZEMEndPoint*DZEMInf); | |
301 | // | |
302 | Float_t EZN1MaxVal = fCalibData->GetEZN1MaxValue(); | |
303 | Float_t EZP1MaxVal = fCalibData->GetEZP1MaxValue(); | |
304 | Float_t EZDC1MaxVal = fCalibData->GetEZDC1MaxValue(); | |
305 | Float_t EZN2MaxVal = fCalibData->GetEZN1MaxValue(); | |
306 | Float_t EZP2MaxVal = fCalibData->GetEZP1MaxValue(); | |
307 | Float_t EZDC2MaxVal = fCalibData->GetEZDC1MaxValue(); | |
308 | ||
309 | // Equalization of detector responses | |
310 | Float_t ZN1EqualTowHG[5], ZN2EqualTowHG[5], ZP1EqualTowHG[5], ZP2EqualTowHG[5]; | |
311 | Float_t ZN1EqualTowLG[5], ZN2EqualTowLG[5], ZP1EqualTowLG[5], ZP2EqualTowLG[5]; | |
312 | for(Int_t gi=0; gi<5; gi++){ | |
313 | ZN1EqualTowHG[gi] = ZN1ADCCorrHG[gi]*ZN1EqualCoeff[gi]; | |
314 | ZP1EqualTowHG[gi] = ZP1ADCCorrHG[gi]*ZP1EqualCoeff[gi]; | |
315 | ZN2EqualTowHG[gi] = ZN2ADCCorrHG[gi]*ZN2EqualCoeff[gi]; | |
316 | ZP2EqualTowHG[gi] = ZP2ADCCorrHG[gi]*ZP2EqualCoeff[gi]; | |
317 | // | |
318 | ZN1EqualTowLG[gi] = ZN1ADCCorrLG[gi]*ZN1EqualCoeff[gi]; | |
319 | ZP1EqualTowLG[gi] = ZP1ADCCorrLG[gi]*ZP1EqualCoeff[gi]; | |
320 | ZN2EqualTowLG[gi] = ZN2ADCCorrLG[gi]*ZN2EqualCoeff[gi]; | |
321 | ZP2EqualTowLG[gi] = ZP2ADCCorrLG[gi]*ZP2EqualCoeff[gi]; | |
322 | } | |
323 | ||
324 | // Energy calibration of detector responses | |
325 | Float_t ZN1CalibTowHG[5], ZN2CalibTowHG[5], ZP1CalibTowHG[5], ZP2CalibTowHG[5]; | |
326 | Float_t ZN1CalibSumHG=0., ZN2CalibSumHG=0., ZP1CalibSumHG=0., ZP2CalibSumHG=0.; | |
327 | Float_t ZN1CalibTowLG[5], ZN2CalibTowLG[5], ZP1CalibTowLG[5], ZP2CalibTowLG[5]; | |
328 | Float_t ZN1CalibSumLG=0., ZN2CalibSumLG=0., ZP1CalibSumLG=0., ZP2CalibSumLG=0.; | |
329 | for(Int_t gi=0; gi<5; gi++){ | |
330 | ZN1CalibTowHG[gi] = ZN1EqualTowHG[gi]*CalibEne[0]; | |
331 | ZP1CalibTowHG[gi] = ZP1EqualTowHG[gi]*CalibEne[1]; | |
332 | ZN2CalibTowHG[gi] = ZN2EqualTowHG[gi]*CalibEne[2]; | |
333 | ZP2CalibTowHG[gi] = ZP2EqualTowHG[gi]*CalibEne[3]; | |
334 | ZN1CalibSumHG += ZN1CalibTowHG[gi]; | |
335 | ZP1CalibSumHG += ZP1CalibTowHG[gi]; | |
336 | ZN2CalibSumHG += ZN2CalibTowHG[gi]; | |
337 | ZP2CalibSumHG += ZP2CalibTowHG[gi]; | |
338 | // | |
339 | ZN1CalibTowLG[gi] = ZN1EqualTowLG[gi]*CalibEne[0]; | |
340 | ZP1CalibTowLG[gi] = ZP1EqualTowLG[gi]*CalibEne[1]; | |
341 | ZN2CalibTowLG[gi] = ZN2EqualTowLG[gi]*CalibEne[2]; | |
342 | ZP2CalibTowLG[gi] = ZP2EqualTowLG[gi]*CalibEne[3]; | |
343 | ZN1CalibSumLG += ZN1CalibTowLG[gi]; | |
344 | ZP1CalibSumLG += ZP1CalibTowLG[gi]; | |
345 | ZN2CalibSumLG += ZN2CalibTowLG[gi]; | |
346 | ZP2CalibSumLG += ZP2CalibTowLG[gi]; | |
347 | } | |
8309c1ab | 348 | |
980685f2 | 349 | // --- Number of detected spectator nucleons |
350 | // *** N.B. -> It works only in Pb-Pb | |
351 | Int_t nDetSpecNLeft, nDetSpecPLeft, nDetSpecNRight, nDetSpecPRight; | |
646f1679 | 352 | nDetSpecNLeft = (Int_t) (ZN1CalibSumHG/2.760); |
353 | nDetSpecPLeft = (Int_t) (ZP1CalibSumHG/2.760); | |
354 | nDetSpecNRight = (Int_t) (ZN2CalibSumHG/2.760); | |
355 | nDetSpecPRight = (Int_t) (ZP2CalibSumHG/2.760); | |
980685f2 | 356 | |
357 | // --- Number of generated spectator nucleons (from HIJING parameterization) | |
646f1679 | 358 | Int_t nGenSpecNLeft=0, nGenSpecPLeft=0, nGenSpecLeft=0; |
359 | Int_t nGenSpecNRight=0, nGenSpecPRight=0, nGenSpecRight=0; | |
360 | Double_t impPar=0.; | |
361 | // | |
362 | // *** RECONSTRUCTION FROM SIMULATED DATA | |
8309c1ab | 363 | // Cut value for Ezem (GeV) |
980685f2 | 364 | // ### Results from production -> 0<b<18 fm (Apr 2002) |
646f1679 | 365 | /*Float_t eZEMCut = 420.; |
8309c1ab | 366 | Float_t deltaEZEMSup = 690.; |
367 | Float_t deltaEZEMInf = 270.; | |
368 | if(zemenergy > (eZEMCut+deltaEZEMSup)){ | |
646f1679 | 369 | nGenSpecNLeft = (Int_t) (fZNCen->Eval(ZN1CalibSum)); |
370 | nGenSpecPLeft = (Int_t) (fZPCen->Eval(ZP1CalibSum)); | |
371 | nGenSpecLeft = (Int_t) (fZDCCen->Eval(ZN1CalibSum+ZP1CalibSum)); | |
372 | nGenSpecNRight = (Int_t) (fZNCen->Eval(ZN2CalibSum)); | |
373 | nGenSpecPRight = (Int_t) (fZNCen->Eval(ZP2CalibSum)); | |
374 | nGenSpecRight = (Int_t) (fZNCen->Eval(ZN2CalibSum+ZP2CalibSum)); | |
375 | impPar = fbCen->Eval(ZN1CalibSum+ZP1CalibSum); | |
8309c1ab | 376 | } |
377 | else if(zemenergy < (eZEMCut-deltaEZEMInf)){ | |
646f1679 | 378 | nGenSpecNLeft = (Int_t) (fZNPer->Eval(ZN1CalibSum)); |
379 | nGenSpecPLeft = (Int_t) (fZPPer->Eval(ZP1CalibSum)); | |
380 | nGenSpecLeft = (Int_t) (fZDCPer->Eval(ZN1CalibSum+ZP1CalibSum)); | |
381 | impPar = fbPer->Eval(ZN1CalibSum+ZP1CalibSum); | |
8309c1ab | 382 | } |
383 | else if(zemenergy >= (eZEMCut-deltaEZEMInf) && zemenergy <= (eZEMCut+deltaEZEMSup)){ | |
646f1679 | 384 | nGenSpecNLeft = (Int_t) (fZEMn->Eval(zemenergy)); |
385 | nGenSpecPLeft = (Int_t) (fZEMp->Eval(zemenergy)); | |
386 | nGenSpecLeft = (Int_t)(fZEMsp->Eval(zemenergy)); | |
387 | impPar = fZEMb->Eval(zemenergy); | |
8309c1ab | 388 | } |
980685f2 | 389 | // ### Results from production -> 0<b<18 fm (Apr 2002) |
646f1679 | 390 | if(ZN1CalibSum>162.) nGenSpecNLeft = (Int_t) (fZEMn->Eval(zemenergy)); |
391 | if(ZP1CalibSum>59.75) nGenSpecPLeft = (Int_t) (fZEMp->Eval(zemenergy)); | |
392 | if(ZN1CalibSum+ZP1CalibSum>221.5) nGenSpecLeft = (Int_t)(fZEMsp->Eval(zemenergy)); | |
393 | if(ZN1CalibSum+ZP1CalibSum>220.) impPar = fZEMb->Eval(zemenergy); | |
394 | */ | |
395 | // | |
396 | // | |
397 | // *** RECONSTRUCTION FROM REAL DATA | |
398 | // | |
399 | if(ZEMADCCorrHG > ZEMSupValue){ | |
400 | nGenSpecNLeft = (Int_t) (fZNCen->Eval(ZN1CalibSumHG)); | |
401 | nGenSpecPLeft = (Int_t) (fZPCen->Eval(ZP1CalibSumHG)); | |
402 | nGenSpecLeft = (Int_t) (fZDCCen->Eval(ZN1CalibSumHG+ZP1CalibSumHG)); | |
403 | nGenSpecNRight = (Int_t) (fZNCen->Eval(ZN2CalibSumHG)); | |
404 | nGenSpecPRight = (Int_t) (fZNCen->Eval(ZP2CalibSumHG)); | |
405 | nGenSpecRight = (Int_t) (fZNCen->Eval(ZN2CalibSumHG+ZP2CalibSumHG)); | |
406 | impPar = fbCen->Eval(ZN1CalibSumHG+ZP1CalibSumHG); | |
407 | } | |
408 | else if(ZEMADCCorrHG < ZEMInfValue){ | |
409 | nGenSpecNLeft = (Int_t) (fZNPer->Eval(ZN1CalibSumHG)); | |
410 | nGenSpecPLeft = (Int_t) (fZPPer->Eval(ZP1CalibSumHG)); | |
411 | nGenSpecLeft = (Int_t) (fZDCPer->Eval(ZN1CalibSumHG+ZP1CalibSumHG)); | |
412 | impPar = fbPer->Eval(ZN1CalibSumHG+ZP1CalibSumHG); | |
413 | } | |
414 | else if(ZEMADCCorrHG >= ZEMInfValue && ZEMADCCorrHG <= ZEMSupValue){ | |
415 | nGenSpecNLeft = (Int_t) (fZEMn->Eval(ZEMADCCorrHG)); | |
416 | nGenSpecPLeft = (Int_t) (fZEMp->Eval(ZEMADCCorrHG)); | |
417 | nGenSpecLeft = (Int_t)(fZEMsp->Eval(ZEMADCCorrHG)); | |
418 | impPar = fZEMb->Eval(ZEMADCCorrHG); | |
419 | } | |
420 | // | |
421 | if(ZN1CalibSumHG/EZN1MaxVal>1.) nGenSpecNLeft = (Int_t) (fZEMn->Eval(ZEMADCCorrHG)); | |
422 | if(ZP1CalibSumHG/EZP1MaxVal>1.) nGenSpecPLeft = (Int_t) (fZEMp->Eval(ZEMADCCorrHG)); | |
423 | if((ZN1CalibSumHG+ZP1CalibSumHG/EZDC1MaxVal)>1.){ | |
424 | nGenSpecLeft = (Int_t)(fZEMsp->Eval(ZEMADCCorrHG)); | |
425 | impPar = fZEMb->Eval(ZEMADCCorrHG); | |
426 | } | |
427 | if(ZN2CalibSumHG/EZN2MaxVal>1.) nGenSpecNRight = (Int_t) (fZEMn->Eval(ZEMADCCorrHG)); | |
428 | if(ZP2CalibSumHG/EZP2MaxVal>1.) nGenSpecPRight = (Int_t) (fZEMp->Eval(ZEMADCCorrHG)); | |
429 | if((ZN2CalibSumHG+ZP2CalibSumHG/EZDC2MaxVal)>1.) nGenSpecRight = (Int_t)(fZEMsp->Eval(ZEMADCCorrHG)); | |
430 | // | |
431 | if(nGenSpecNLeft>125) nGenSpecNLeft=125; | |
432 | else if(nGenSpecNLeft<0) nGenSpecNLeft=0; | |
433 | if(nGenSpecPLeft>82) nGenSpecPLeft=82; | |
434 | else if(nGenSpecPLeft<0) nGenSpecPLeft=0; | |
435 | if(nGenSpecLeft>207) nGenSpecLeft=207; | |
436 | else if(nGenSpecLeft<0) nGenSpecLeft=0; | |
8309c1ab | 437 | |
980685f2 | 438 | // --- Number of generated participants (from HIJING parameterization) |
646f1679 | 439 | Int_t nPart, nPartTotLeft, nPartTotRight; |
440 | nPart = 207-nGenSpecNLeft-nGenSpecPLeft; | |
441 | nPartTotLeft = 207-nGenSpecLeft; | |
442 | nPartTotRight = 207-nGenSpecRight; | |
443 | ||
444 | // create the output tree | |
445 | AliZDCReco reco(ZN1CalibSumHG, ZP1CalibSumHG, ZN2CalibSumHG, ZP2CalibSumHG, | |
446 | ZN1CalibTowLG, ZN2CalibTowLG, ZP1CalibTowLG, ZP2CalibTowLG, | |
447 | ZEMADCCorrHG, | |
448 | nDetSpecNLeft, nDetSpecPLeft, nDetSpecNRight, nDetSpecPRight, | |
449 | nGenSpecNLeft, nGenSpecPLeft, nGenSpecLeft, nGenSpecNRight, | |
450 | nGenSpecPRight, nGenSpecRight, | |
451 | nPartTotLeft, nPartTotRight, impPar); | |
452 | ||
8309c1ab | 453 | AliZDCReco* preco = &reco; |
454 | const Int_t kBufferSize = 4000; | |
70f04f6d | 455 | clustersTree->Branch("ZDC", "AliZDCReco", &preco, kBufferSize); |
8309c1ab | 456 | |
457 | // write the output tree | |
70f04f6d | 458 | clustersTree->Fill(); |
8309c1ab | 459 | } |
460 | ||
461 | //_____________________________________________________________________________ | |
70f04f6d | 462 | void AliZDCReconstructor::FillZDCintoESD(TTree *clustersTree, AliESDEvent* esd) const |
8309c1ab | 463 | { |
70f04f6d | 464 | // fill energies and number of participants to the ESD |
8309c1ab | 465 | |
8309c1ab | 466 | AliZDCReco reco; |
467 | AliZDCReco* preco = &reco; | |
70f04f6d | 468 | clustersTree->SetBranchAddress("ZDC", &preco); |
8309c1ab | 469 | |
70f04f6d | 470 | clustersTree->GetEntry(0); |
646f1679 | 471 | esd->SetZDC(reco.GetZN1Energy(), reco.GetZP1Energy(), reco.GetZEMsignal(), |
472 | reco.GetZN2Energy(), reco.GetZP2Energy(), | |
473 | reco.GetNPartLeft()); | |
8309c1ab | 474 | } |
48642b09 | 475 | |
476 | //_____________________________________________________________________________ | |
78d18275 | 477 | AliCDBStorage* AliZDCReconstructor::SetStorage(const char *uri) |
48642b09 | 478 | { |
cc2abffd | 479 | // Setting the storage |
48642b09 | 480 | |
78d18275 | 481 | Bool_t deleteManager = kFALSE; |
48642b09 | 482 | |
78d18275 | 483 | AliCDBManager *manager = AliCDBManager::Instance(); |
484 | AliCDBStorage *defstorage = manager->GetDefaultStorage(); | |
48642b09 | 485 | |
78d18275 | 486 | if(!defstorage || !(defstorage->Contains("ZDC"))){ |
487 | AliWarning("No default storage set or default storage doesn't contain ZDC!"); | |
488 | manager->SetDefaultStorage(uri); | |
489 | deleteManager = kTRUE; | |
490 | } | |
491 | ||
492 | AliCDBStorage *storage = manager->GetDefaultStorage(); | |
493 | ||
494 | if(deleteManager){ | |
495 | AliCDBManager::Instance()->UnsetDefaultStorage(); | |
496 | defstorage = 0; // the storage is killed by AliCDBManager::Instance()->Destroy() | |
497 | } | |
498 | ||
499 | return storage; | |
500 | } | |
48642b09 | 501 | |
78d18275 | 502 | //_____________________________________________________________________________ |
4fda3ba1 | 503 | AliZDCCalibData* AliZDCReconstructor::GetCalibData() const |
78d18275 | 504 | { |
48642b09 | 505 | |
4fda3ba1 | 506 | // Getting calibration object for ZDC set |
507 | ||
508 | AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Data"); | |
457a440d | 509 | if(!entry) AliFatal("No calibration data loaded!"); |
4fda3ba1 | 510 | |
457a440d | 511 | AliZDCCalibData *calibdata = dynamic_cast<AliZDCCalibData*> (entry->GetObject()); |
512 | if(!calibdata) AliFatal("Wrong calibration object in calibration file!"); | |
48642b09 | 513 | |
78d18275 | 514 | return calibdata; |
48642b09 | 515 | } |