#include "AliRunLoader.h"
#include "AliRawReader.h"
-#include "AliESD.h"
+#include "AliESDEvent.h"
+#include "AliESDZDC.h"
#include "AliZDCDigit.h"
#include "AliZDCRawStream.h"
#include "AliZDCReco.h"
#include "AliZDCReconstructor.h"
-#include "AliZDCCalibData.h"
+#include "AliZDCPedestals.h"
+#include "AliZDCCalib.h"
+#include "AliZDCRecParam.h"
ClassImp(AliZDCReconstructor)
//_____________________________________________________________________________
-AliZDCReconstructor:: AliZDCReconstructor()
+AliZDCReconstructor:: AliZDCReconstructor() :
+
+ fZNCen(new TF1("fZNCen",
+ "(-2.287920+sqrt(2.287920*2.287920-4*(-0.007629)*(11.921710-x)))/(2*(-0.007629))",0.,164.)),
+ fZNPer(new TF1("fZNPer",
+ "(-37.812280-sqrt(37.812280*37.812280-4*(-0.190932)*(-1709.249672-x)))/(2*(-0.190932))",0.,164.)),
+ fZPCen(new TF1("fZPCen",
+ "(-1.321353+sqrt(1.321353*1.321353-4*(-0.007283)*(3.550697-x)))/(2*(-0.007283))",0.,60.)),
+ fZPPer(new TF1("fZPPer",
+ "(-42.643308-sqrt(42.643308*42.643308-4*(-0.310786)*(-1402.945615-x)))/(2*(-0.310786))",0.,60.)),
+ fZDCCen(new TF1("fZDCCen",
+ "(-1.934991+sqrt(1.934991*1.934991-4*(-0.004080)*(15.111124-x)))/(2*(-0.004080))",0.,225.)),
+ fZDCPer(new TF1("fZDCPer",
+ "(-34.380639-sqrt(34.380639*34.380639-4*(-0.104251)*(-2612.189017-x)))/(2*(-0.104251))",0.,225.)),
+ fbCen(new TF1("fbCen","-0.056923+0.079703*x-0.0004301*x*x+0.000001366*x*x*x",0.,220.)),
+ fbPer(new TF1("fbPer","17.943998-0.046846*x+0.000074*x*x",0.,220.)),
+ //
+ fZEMn(new TF1("fZEMn","121.7-0.1934*x+0.00007565*x*x",0.,1200.)),
+ fZEMp(new TF1("fZEMp","80.05-0.1315*x+0.00005327*x*x",0.,1200.)),
+ fZEMsp(new TF1("fZEMsp","201.7-0.325*x+0.0001292*x*x",0.,1200.)),
+ fZEMb(new TF1("fZEMb",
+ "13.83-0.02851*x+5.101e-5*x*x-7.305e-8*x*x*x+5.101e-11*x*x*x*x-1.25e-14*x*x*x*x*x",0.,1200.)),
+ //
+ fPedData(GetPedData()),
+ fECalibData(GetECalibData()),
+ fRecParam(GetRecParams())
{
// **** Default constructor
-
- // --- Number of generated spectator nucleons and impact parameter
- // --------------------------------------------------------------------------------------------------
- // [1] ### Results from a new production -> 0<b<18 fm (Apr 2002)
- // Fit results for neutrons (Nspectator n true vs. EZN)
- fZNCen = new TF1("fZNCen",
- "(-2.287920+sqrt(2.287920*2.287920-4*(-0.007629)*(11.921710-x)))/(2*(-0.007629))",0.,164.);
- fZNPer = new TF1("fZNPer",
- "(-37.812280-sqrt(37.812280*37.812280-4*(-0.190932)*(-1709.249672-x)))/(2*(-0.190932))",0.,164.);
- // Fit results for protons (Nspectator p true vs. EZP)
- fZPCen = new TF1("fZPCen",
- "(-1.321353+sqrt(1.321353*1.321353-4*(-0.007283)*(3.550697-x)))/(2*(-0.007283))",0.,60.);
- fZPPer = new TF1("fZPPer",
- "(-42.643308-sqrt(42.643308*42.643308-4*(-0.310786)*(-1402.945615-x)))/(2*(-0.310786))",0.,60.);
- // Fit results for total number of spectators (Nspectators true vs. EZDC)
- fZDCCen = new TF1("fZDCCen",
- "(-1.934991+sqrt(1.934991*1.934991-4*(-0.004080)*(15.111124-x)))/(2*(-0.004080))",0.,225.);
- fZDCPer = new TF1("fZDCPer",
- "(-34.380639-sqrt(34.380639*34.380639-4*(-0.104251)*(-2612.189017-x)))/(2*(-0.104251))",0.,225.);
- // --------------------------------------------------------------------------------------------------
- // Fit results for b (b vs. EZDC)
- // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
- fbCen = new TF1("fbCen","-0.056923+0.079703*x-0.0004301*x*x+0.000001366*x*x*x",0.,220.);
- fbPer = new TF1("fbPer","17.943998-0.046846*x+0.000074*x*x",0.,220.);
- // --------------------------------------------------------------------------------------------------
- // Evaluating Nspectators and b from ZEM energy
- // [2] ### Results from a new production -> 0<b<18 fm (Apr 2002)
- fZEMn = new TF1("fZEMn","126.2-0.05399*x+0.000005679*x*x",0.,4000.);
- fZEMp = new TF1("fZEMp","82.49-0.03611*x+0.00000385*x*x",0.,4000.);
- fZEMsp = new TF1("fZEMsp","208.7-0.09006*x+0.000009526*x*x",0.,4000.);
- fZEMb = new TF1("fZEMb","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.);
-
- // Get calibration data
- fCalibData = GetCalibData();
-}
-
-//_____________________________________________________________________________
-AliZDCReconstructor::AliZDCReconstructor(const AliZDCReconstructor&
- reconstructor):
- AliReconstructor(reconstructor)
-{
-// copy constructor
- Fatal("AliZDCReconstructor", "copy constructor not implemented");
}
-//_____________________________________________________________________________
-AliZDCReconstructor& AliZDCReconstructor::operator =
- (const AliZDCReconstructor& /*reconstructor*/)
-{
-// assignment operator
-
- Fatal("operator =", "assignment operator not implemented");
- return *this;
-}
//_____________________________________________________________________________
AliZDCReconstructor::~AliZDCReconstructor()
delete fZEMp;
delete fZEMsp;
delete fZEMb;
+
}
//_____________________________________________________________________________
-void AliZDCReconstructor::Reconstruct(AliRunLoader* runLoader) const
+void AliZDCReconstructor::Reconstruct(TTree* digitsTree, TTree* clustersTree) const
{
// *** Local ZDC reconstruction for digits
+ // Works on the current event
- Float_t meanPed[47];
- for(Int_t jj=0; jj<47; jj++) meanPed[jj] = fCalibData->GetMeanPed(jj);
+ // Retrieving calibration data
+ Float_t meanPed[48];
+ for(Int_t jj=0; jj<48; jj++) meanPed[jj] = fPedData->GetMeanPed(jj);
- AliLoader* loader = runLoader->GetLoader("ZDCLoader");
- if (!loader) return;
- loader->LoadDigits("read");
- loader->LoadRecPoints("recreate");
+ // get digits
AliZDCDigit digit;
AliZDCDigit* pdigit = &digit;
-
- // Event loop
- for (Int_t iEvent = 0; iEvent < runLoader->GetNumberOfEvents(); iEvent++) {
- runLoader->GetEvent(iEvent);
-
- // load digits
- loader->LoadDigits();
- TTree* treeD = loader->TreeD();
- if (!treeD) continue;
- treeD->SetBranchAddress("ZDC", &pdigit);
-
- // loop over digits
- Float_t zn1corr=0, zp1corr=0, zn2corr=0, zp2corr=0, zemcorr=0;
- for (Int_t iDigit = 0; iDigit < treeD->GetEntries(); iDigit++) {
- treeD->GetEntry(iDigit);
- if (!pdigit) continue;
-
- if(digit.GetSector(0) == 1)
- zn1corr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)]); // high gain ZN1 ADCs
- else if(digit.GetSector(0) == 2)
- zp1corr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)+10]); // high gain ZP1 ADCs
- else if(digit.GetSector(0) == 3){
- if(digit.GetSector(1)==1)
- zemcorr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)+20]); // high gain ZEM1 ADCs
- else if(digit.GetSector(1)==2)
- zemcorr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)+22]); // high gain ZEM2 ADCs
- }
- else if(digit.GetSector(0) == 4)
- zn2corr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)+24]); // high gain ZN2 ADCs
- else if(digit.GetSector(0) == 5)
- zp2corr += (Float_t) (digit.GetADCValue(0)-meanPed[digit.GetSector(1)+34]); // high gain ZP2 ADCs
+ digitsTree->SetBranchAddress("ZDC", &pdigit);
+ //printf("\n\t # of digits in tree: %d\n",(Int_t) digitsTree->GetEntries());
+
+ // loop over digits
+ Float_t tZN1Corr[10], tZP1Corr[10], tZN2Corr[10], tZP2Corr[10];
+ Float_t dZEM1Corr[2], dZEM2Corr[2], PMRef1[2], PMRef2[2];
+ for(Int_t i=0; i<10; i++){
+ tZN1Corr[i] = tZP1Corr[i] = tZN2Corr[i] = tZP2Corr[i] = 0.;
+ if(i<2) dZEM1Corr[i] = dZEM2Corr[i] = PMRef1[i] = PMRef2[i] = 0.;
+ }
+ //
+ for (Int_t iDigit = 0; iDigit < (digitsTree->GetEntries()/2); iDigit++) {
+ digitsTree->GetEntry(iDigit);
+ if (!pdigit) continue;
+ //
+ Int_t det = digit.GetSector(0);
+ Int_t quad = digit.GetSector(1);
+ Int_t pedindex = -1, kNch = 24;
+ //printf("\n\t Digit #%d det %d quad %d", iDigit, det, quad);
+ //
+ if(quad != 5){ // ZDC (not reference PTMs!)
+ if(det == 1){ // *** ZNC
+ pedindex = quad;
+ tZN1Corr[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(tZN1Corr[quad]<0.) tZN1Corr[quad] = 0.;
+ tZN1Corr[quad+5] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(tZN1Corr[quad+5]<0.) tZN1Corr[quad] = 0.;
+ //printf("\t pedindex %d tZN1Corr[%d] = %1.0f tZN1Corr[%d] = %1.0f",
+ // pedindex, quad, tZN1Corr[quad], quad+5, tZN1Corr[quad+5]);
+ }
+ else if(det == 2){ // *** ZP1
+ pedindex = quad+5;
+ tZP1Corr[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(tZP1Corr[quad]<0.) tZP1Corr[quad] = 0.;
+ tZP1Corr[quad+5] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(tZP1Corr[quad+5]<0.) tZP1Corr[quad] = 0.;
+ //printf("\t pedindex %d tZP1Corr[%d] = %1.0f tZP1Corr[%d] = %1.0f",
+ // pedindex, quad, tZP1Corr[quad], quad+5, tZP1Corr[quad+5]);
+ }
+ else if(det == 3){
+ pedindex = quad+9;
+ if(quad == 1){ // *** ZEM1
+ dZEM1Corr[0] += (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(dZEM1Corr[0]<0.) dZEM1Corr[0] = 0.;
+ dZEM1Corr[1] += (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(dZEM1Corr[1]<0.) dZEM1Corr[1] = 0.;
+ //printf("\t pedindex %d tZEM1Corr[%d] = %1.0f tZEM1Corr[%d] = %1.0f",
+ // pedindex, quad, tZEM1Corr[quad], quad+1, tZEM1Corr[quad+1]);
+ }
+ else if(quad == 2){ // *** ZEM2
+ dZEM2Corr[0] += (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(dZEM2Corr[0]<0.) dZEM2Corr[0] = 0.;
+ dZEM2Corr[1] += (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(dZEM2Corr[1]<0.) dZEM2Corr[1] = 0.;
+ //printf("\t pedindex %d tZEM2Corr[%d] = %1.0f tZEM2Corr[%d] = %1.0f",
+ // pedindex, quad, tZEM2Corr[quad], quad+1, tZEM2Corr[quad+1]);
+ }
}
- if(zn1corr<0) zn1corr=0;
- if(zp1corr<0) zp1corr=0;
- if(zn2corr<0) zn2corr=0;
- if(zp2corr<0) zp2corr=0;
- if(zemcorr<0) zemcorr=0;
-
- // reconstruct the event
- //printf("\n \t ZDCReco from digits-> Ev.#%d ZN = %.0f, ZP = %.0f, ZEM = %.0f\n",iEvent,zncorr,zpcorr,zemcorr);
- ReconstructEvent(loader, zn1corr, zp1corr, zemcorr, zn2corr, zp2corr);
+ else if(det == 4){ // *** ZN2
+ pedindex = quad+12;
+ tZN2Corr[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(tZN2Corr[quad]<0.) tZN2Corr[quad] = 0.;
+ tZN2Corr[quad+5] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(tZN2Corr[quad+5]<0.) tZN2Corr[quad+5] = 0.;
+ //printf("\t pedindex %d tZN2Corr[%d] = %1.0f tZN2Corr[%d] = %1.0f\n",
+ // pedindex, quad, tZN2Corr[quad], quad+5, tZN2Corr[quad+5]);
+ }
+ else if(det == 5){ // *** ZP2
+ pedindex = quad+17;
+ tZP2Corr[quad] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(tZP2Corr[quad]<0.) tZP2Corr[quad] = 0.;
+ tZP2Corr[quad+5] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(tZP2Corr[quad+5]<0.) tZP2Corr[quad+5] = 0.;
+ //printf("\t pedindex %d tZP2Corr[%d] = %1.0f tZP2Corr[%d] = %1.0f\n",
+ // pedindex, quad, tZP2Corr[quad], quad+5, tZP2Corr[quad+5]);
+ }
+ }
+ else{ // Reference PMs
+ pedindex = (det-1)/3+22;
+ if(det == 1){
+ PMRef1[0] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(PMRef1[0]<0.) PMRef1[0] = 0.;
+ PMRef1[1] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(PMRef2[1]<0.) PMRef1[1] = 0.;
+ }
+ else if(det == 4){
+ PMRef2[0] = (Float_t) (digit.GetADCValue(0)-meanPed[pedindex]);
+ if(PMRef2[0]<0.) PMRef2[0] = 0.;
+ PMRef2[1] = (Float_t) (digit.GetADCValue(1)-meanPed[pedindex+kNch]);
+ if(PMRef2[1]<0.) PMRef2[1] = 0.;
+ }
+ }
}
- loader->UnloadDigits();
- loader->UnloadRecPoints();
+ // reconstruct the event
+ ReconstructEvent(clustersTree, tZN1Corr, tZP1Corr, tZN2Corr, tZP2Corr,
+ dZEM1Corr, dZEM2Corr, PMRef1, PMRef2);
+
}
//_____________________________________________________________________________
-void AliZDCReconstructor::Reconstruct(AliRunLoader* runLoader,
- AliRawReader* rawReader) const
+void AliZDCReconstructor::Reconstruct(AliRawReader* rawReader, TTree* clustersTree) const
{
- // *** Local ZDC reconstruction for raw data
+ // *** ZDC raw data reconstruction
+ // Works on the current event
- Float_t meanPed[47];
- for(Int_t jj=0; jj<47; jj++) meanPed[jj] = fCalibData->GetMeanPed(jj);
-
- AliLoader* loader = runLoader->GetLoader("ZDCLoader");
- if (!loader) return;
- loader->LoadRecPoints("recreate");
- // Event loop
- Int_t iEvent = 0;
- while (rawReader->NextEvent()) {
- runLoader->GetEvent(iEvent++);
-
- // loop over raw data digits
- Float_t zn1corr=0, zp1corr=0, zn2corr=0, zp2corr=0,zemcorr=0;
- AliZDCRawStream digit(rawReader);
- while (digit.Next()) {
- if(digit.IsADCDataWord()){
- if(digit.GetADCGain() == 0){
- if(digit.GetSector(0) == 1)
- zn1corr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)]); // high gain ZN1 ADCs;
- else if(digit.GetSector(0) == 2)
- zp1corr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)+10]); // high gain ZP1 ADCs;
- else if(digit.GetSector(0) == 3)
- if(digit.GetSector(1)==1)
- zemcorr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)+20]); // high gain ZEM1 ADCs
- else if(digit.GetSector(1)==2)
- zemcorr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)+22]); // high gain ZEM2 ADCs
- else if(digit.GetSector(0) == 4)
- zn2corr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)+24]); // high gain ZN2 ADCs;
- else if(digit.GetSector(0) == 5)
- zp2corr += (Float_t) (digit.GetADCValue()-meanPed[digit.GetSector(1)+34]); // high gain ZP2 ADCs;
- }
+ // Retrieving calibration data
+ Float_t meanPed[48];
+ for(Int_t jj=0; jj<48; jj++) meanPed[jj] = fPedData->GetMeanPed(jj);
+
+ rawReader->Reset();
+
+ // loop over raw data
+ Float_t tZN1Corr[10], tZP1Corr[10], tZN2Corr[10], tZP2Corr[10];
+ Float_t dZEM1Corr[2], dZEM2Corr[2], PMRef1[2], PMRef2[2];
+ for(Int_t i=0; i<10; i++){
+ tZN1Corr[i] = tZP1Corr[i] = tZN2Corr[i] = tZP2Corr[i] = 0.;
+ if(i<2) dZEM1Corr[i] = dZEM2Corr[i] = PMRef1[i] = PMRef2[i] = 0.;
+ }
+ //
+ AliZDCRawStream rawData(rawReader);
+ Int_t kNch = 24;
+ while (rawData.Next()) {
+ if(rawData.IsADCDataWord()){
+ Int_t det = rawData.GetSector(0);
+ Int_t quad = rawData.GetSector(1);
+ Int_t gain = rawData.GetADCGain();
+ Int_t pedindex=0;
+ //
+ if(quad !=5){ // ZDCs (not reference PTMs)
+ if(det == 1){
+ pedindex = quad;
+ if(gain == 0) tZN1Corr[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else tZN1Corr[quad+5] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
}
- }
- if(zn1corr<0) zn1corr=0;
- if(zp1corr<0) zp1corr=0;
- if(zn2corr<0) zn2corr=0;
- if(zp2corr<0) zp2corr=0;
- if(zemcorr<0) zemcorr=0;
-
- // reconstruct the event
- //printf("\n\t ZDCReco from raw-> Ev.#%d ZN = %.0f, ZP = %.0f, ZEM = %.0f\n",iEvent,zncorr,zpcorr,zemcorr);
- ReconstructEvent(loader, zn1corr, zp1corr, zemcorr, zn2corr, zp2corr);
+ else if(det == 2){
+ pedindex = quad+5;
+ if(gain == 0) tZP1Corr[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else tZP1Corr[quad+5] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
+ }
+ else if(det == 3){
+ pedindex = quad+9;
+ if(quad==1){
+ if(gain == 0) dZEM1Corr[0] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else dZEM1Corr[1] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
+ }
+ else if(quad==2){
+ if(gain == 0) dZEM2Corr[0] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else dZEM2Corr[1] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
+ }
+ }
+ else if(det == 4){
+ pedindex = quad+12;
+ if(gain == 0) tZN2Corr[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else tZN2Corr[quad+5] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
+ }
+ else if(det == 5){
+ pedindex = quad+17;
+ if(gain == 0) tZP2Corr[quad] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else tZP2Corr[quad+5] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex+kNch]);
+ }
+ //printf("\t AliZDCReconstructor - det %d quad %d res %d -> Ped[%d] = %1.0f\n",
+ // det,quad,gain, pedindex, meanPed[pedindex]);
+ }
+ else{ // reference PM
+ pedindex = (det-1)/3 + 22;
+ if(det == 1){
+ if(gain==0) PMRef1[0] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else PMRef1[1] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ }
+ else if(det ==4){
+ if(gain==0) PMRef2[0] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ else PMRef2[1] += (Float_t) (rawData.GetADCValue()-meanPed[pedindex]);
+ }
+ }
+ }//IsADCDataWord
}
+
+ // reconstruct the event
+ ReconstructEvent(clustersTree, tZN1Corr, tZP1Corr, tZN2Corr, tZP2Corr,
+ dZEM1Corr, dZEM2Corr, PMRef1, PMRef2);
- loader->UnloadRecPoints();
}
//_____________________________________________________________________________
-void AliZDCReconstructor::ReconstructEvent(AliLoader* loader, Float_t zn1corr,
- Float_t zp1corr, Float_t zemcorr, Float_t zn2corr, Float_t zp2corr) const
+void AliZDCReconstructor::ReconstructEvent(TTree *clustersTree, Float_t* ZN1ADCCorr,
+ Float_t* ZP1ADCCorr, Float_t* ZN2ADCCorr, Float_t* ZP2ADCCorr,
+ Float_t* ZEM1ADCCorr, Float_t* ZEM2ADCCorr, Float_t* PMRef1, Float_t* PMRef2) const
{
// ***** Reconstruct one event
- // --- ADCchannel -> photoelectrons
- // NB-> PM gain = 10^(5), ADC resolution = 6.4*10^(-7)
- // Move to V965 (E.S.,15/09/04) NB-> PM gain = 10^(5), ADC resolution = 8*10^(-7)
- Float_t zn1phe, zp1phe, zemphe, zn2phe, zp2phe, convFactor = 0.08;
- zn1phe = zn1corr/convFactor;
- zp1phe = zp1corr/convFactor;
- zemphe = zemcorr/convFactor;
- zn2phe = zn2corr/convFactor;
- zp2phe = zp2corr/convFactor;
- //if AliDebug(1,Form("\n znphe = %f, zpphe = %f, zemphe = %f\n",znphe, zpphe, zemphe);
+ // *** RECONSTRUCTION FROM "REAL" DATA
+ //
+ // Retrieving calibration data
+ // --- Equalization coefficients ---------------------------------------------
+ Float_t equalCoeffZN1[5], equalCoeffZP1[5], equalCoeffZN2[5], equalCoeffZP2[5];
+ for(Int_t ji=0; ji<5; ji++){
+ equalCoeffZN1[ji] = fECalibData->GetZN1EqualCoeff(ji);
+ equalCoeffZP1[ji] = fECalibData->GetZP1EqualCoeff(ji);
+ equalCoeffZN2[ji] = fECalibData->GetZN2EqualCoeff(ji);
+ equalCoeffZP2[ji] = fECalibData->GetZP2EqualCoeff(ji);
+ }
+ // --- Energy calibration factors ------------------------------------
+ Float_t calibEne[4];
+ for(Int_t ij=0; ij<4; ij++) calibEne[ij] = fECalibData->GetEnCalib(ij);
+ //
+ // --- Reconstruction parameters ------------------
+ Float_t endPointZEM = fRecParam->GetZEMEndValue();
+ Float_t cutFractionZEM = fRecParam->GetZEMCutFraction();
+ Float_t dZEMSup = fRecParam->GetDZEMSup();
+ Float_t dZEMInf = fRecParam->GetDZEMInf();
+ //
+ Float_t cutValueZEM = endPointZEM*cutFractionZEM;
+ Float_t supValueZEM = cutValueZEM+(endPointZEM*dZEMSup);
+ Float_t infValueZEM = cutValueZEM-(endPointZEM*dZEMInf);
+ //
+ Float_t maxValEZN1 = fRecParam->GetEZN1MaxValue();
+ Float_t maxValEZP1 = fRecParam->GetEZP1MaxValue();
+ Float_t maxValEZDC1 = fRecParam->GetEZDC1MaxValue();
+ Float_t maxValEZN2 = fRecParam->GetEZN2MaxValue();
+ Float_t maxValEZP2 = fRecParam->GetEZP2MaxValue();
+ Float_t maxValEZDC2 = fRecParam->GetEZDC2MaxValue();
+ //
+ //printf("\n\t AliZDCReconstructor -> ZEMEndPoint %1.0f, ZEMCutValue %1.0f,"
+ // " ZEMSupValue %1.0f, ZEMInfValue %1.0f\n",endPointZEM,cutValueZEM,supValueZEM,infValueZEM);
+
+ // Equalization of detector responses
+ Float_t equalTowZN1[10], equalTowZN2[10], equalTowZP1[10], equalTowZP2[10];
+ for(Int_t gi=0; gi<5; gi++){
+ equalTowZN1[gi] = ZN1ADCCorr[gi]*equalCoeffZN1[gi];
+ equalTowZN1[gi+5] = ZN1ADCCorr[gi+5]*equalCoeffZN1[gi];
+ equalTowZP1[gi] = ZP1ADCCorr[gi]*equalCoeffZP1[gi];
+ equalTowZP1[gi+5] = ZP1ADCCorr[gi+5]*equalCoeffZP1[gi];
+ equalTowZN2[gi] = ZN2ADCCorr[gi]*equalCoeffZN2[gi];
+ equalTowZN2[gi+5] = ZN2ADCCorr[gi+5]*equalCoeffZN2[gi];
+ equalTowZP2[gi] = ZP2ADCCorr[gi]*equalCoeffZP2[gi];
+ equalTowZP2[gi+5] = ZP2ADCCorr[gi+5]*equalCoeffZP2[gi];
+ }
+
+ // Energy calibration of detector responses
+ Float_t calibTowZN1[10], calibTowZN2[10], calibTowZP1[10], calibTowZP2[10];
+ Float_t calibSumZN1[]={0,0}, calibSumZN2[]={0,0}, calibSumZP1[]={0,0}, calibSumZP2[]={0,0};
+ for(Int_t gi=0; gi<10; gi++){
+ calibTowZN1[gi] = equalTowZN1[gi]*calibEne[0];
+ calibTowZP1[gi] = equalTowZP1[gi]*calibEne[1];
+ calibTowZN2[gi] = equalTowZN2[gi]*calibEne[2];
+ calibTowZP2[gi] = equalTowZP2[gi]*calibEne[3];
+ //
+ if(gi<5){
+ calibSumZN1[0] += calibTowZN1[gi];
+ calibSumZP1[0] += calibTowZP1[gi];
+ calibSumZN2[0] += calibTowZN2[gi];
+ calibSumZP2[0] += calibTowZP2[gi];
+ }
+ //
+ else{
+ calibSumZN1[1] += calibTowZN1[gi];
+ calibSumZP1[1] += calibTowZP1[gi];
+ calibSumZN2[1] += calibTowZN2[gi];
+ calibSumZP2[1] += calibTowZP2[gi];
+ }
+ }
- // --- Energy calibration
- // Conversion factors for hadronic ZDCs goes from phe yield to TRUE
- // incident energy (conversion from GeV to TeV is included); while for EM
- // calos conversion is from light yield to detected energy calculated by
- // GEANT NB -> ZN and ZP conversion factors are constant since incident
- // spectators have all the same energy, ZEM energy is obtained through a
- // fit over the whole range of incident particle energies
- // (obtained with full HIJING simulations)
- Float_t zn1energy, zp1energy, zemenergy, zdc1energy, zn2energy, zp2energy, zdc2energy;
- Float_t zn1phexTeV=329., zp1phexTeV=369., zn2phexTeV=329., zp2phexTeV=369.;
- zn1energy = zn1phe/zn1phexTeV;
- zp1energy = zp1phe/zp1phexTeV;
- zdc1energy = zn1energy+zp1energy;
- zn2energy = zn2phe/zn2phexTeV;
- zp2energy = zp2phe/zp2phexTeV;
- zdc2energy = zn2energy+zp2energy;
- zemenergy = -4.81+0.3238*zemphe;
- if(zemenergy<0) zemenergy=0;
- // if AliDebug(1,Form(" znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
- // "\n zemenergy = %f TeV\n", znenergy, zpenergy,
- // zdcenergy, zemenergy);
- // if(zdcenergy==0)
- // if AliDebug(1,Form("\n\n ### ATTENZIONE!!! -> ev# %d: znenergy = %f TeV, zpenergy = %f TeV, zdcenergy = %f GeV, "
- // " zemenergy = %f TeV\n\n", fMerger->EvNum(), znenergy, zpenergy, zdcenergy, zemenergy);
-
// --- Number of detected spectator nucleons
// *** N.B. -> It works only in Pb-Pb
Int_t nDetSpecNLeft, nDetSpecPLeft, nDetSpecNRight, nDetSpecPRight;
- nDetSpecNLeft = (Int_t) (zn1energy/2.760);
- nDetSpecPLeft = (Int_t) (zp1energy/2.760);
- nDetSpecNRight = (Int_t) (zn2energy/2.760);
- nDetSpecPRight = (Int_t) (zp2energy/2.760);
+ nDetSpecNLeft = (Int_t) (calibSumZN1[0]/2.760);
+ nDetSpecPLeft = (Int_t) (calibSumZP1[0]/2.760);
+ nDetSpecNRight = (Int_t) (calibSumZN2[0]/2.760);
+ nDetSpecPRight = (Int_t) (calibSumZP2[0]/2.760);
+ /*printf("\n\t AliZDCReconstructor -> nDetSpecNLeft %d, nDetSpecPLeft %d,"
+ " nDetSpecNRight %d, nDetSpecPRight %d\n",nDetSpecNLeft, nDetSpecPLeft,
+ nDetSpecNRight, nDetSpecPRight);*/
// --- Number of generated spectator nucleons (from HIJING parameterization)
- // *** N.B. -> Only one side!!!
- Int_t nGenSpecN=0, nGenSpecP=0, nGenSpec=0;
- Double_t impPar=0;
- // Cut value for Ezem (GeV)
- // ### Results from production -> 0<b<18 fm (Apr 2002)
- Float_t eZEMCut = 420.;
- Float_t deltaEZEMSup = 690.;
- Float_t deltaEZEMInf = 270.;
- if(zemenergy > (eZEMCut+deltaEZEMSup)){
- nGenSpecN = (Int_t) (fZNCen->Eval(zn1energy));
- nGenSpecP = (Int_t) (fZPCen->Eval(zp1energy));
- nGenSpec = (Int_t) (fZDCCen->Eval(zdc1energy));
- impPar = fbCen->Eval(zdc1energy);
+ Int_t nGenSpecNLeft=0, nGenSpecPLeft=0, nGenSpecLeft=0;
+ Int_t nGenSpecNRight=0, nGenSpecPRight=0, nGenSpecRight=0;
+ Double_t impPar=0.;
+ //
+ //
+ Float_t corrADCZEMHG = ZEM1ADCCorr[0] + ZEM2ADCCorr[0];
+ //
+ if(corrADCZEMHG > supValueZEM){
+ nGenSpecNLeft = (Int_t) (fZNCen->Eval(calibSumZN1[0]));
+ nGenSpecPLeft = (Int_t) (fZPCen->Eval(calibSumZP1[0]));
+ nGenSpecLeft = (Int_t) (fZDCCen->Eval(calibSumZN1[0]+calibSumZP1[0]));
+ nGenSpecNRight = (Int_t) (fZNCen->Eval(calibSumZN2[0]));
+ nGenSpecPRight = (Int_t) (fZNCen->Eval(calibSumZP2[0]));
+ nGenSpecRight = (Int_t) (fZNCen->Eval(calibSumZN2[0]+calibSumZP2[0]));
+ impPar = fbCen->Eval(calibSumZN1[0]+calibSumZP1[0]);
}
- else if(zemenergy < (eZEMCut-deltaEZEMInf)){
- nGenSpecN = (Int_t) (fZNPer->Eval(zn1energy));
- nGenSpecP = (Int_t) (fZPPer->Eval(zp1energy));
- nGenSpec = (Int_t) (fZDCPer->Eval(zdc1energy));
- impPar = fbPer->Eval(zdc1energy);
+ else if(corrADCZEMHG < infValueZEM){
+ nGenSpecNLeft = (Int_t) (fZNPer->Eval(calibSumZN1[0]));
+ nGenSpecPLeft = (Int_t) (fZPPer->Eval(calibSumZP1[0]));
+ nGenSpecLeft = (Int_t) (fZDCPer->Eval(calibSumZN1[0]+calibSumZP1[0]));
+ impPar = fbPer->Eval(calibSumZN1[0]+calibSumZP1[0]);
}
- else if(zemenergy >= (eZEMCut-deltaEZEMInf) && zemenergy <= (eZEMCut+deltaEZEMSup)){
- nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
- nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
- nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
- impPar = fZEMb->Eval(zemenergy);
+ else if(corrADCZEMHG >= infValueZEM && corrADCZEMHG <= supValueZEM){
+ nGenSpecNLeft = (Int_t) (fZEMn->Eval(corrADCZEMHG));
+ nGenSpecPLeft = (Int_t) (fZEMp->Eval(corrADCZEMHG));
+ nGenSpecLeft = (Int_t)(fZEMsp->Eval(corrADCZEMHG));
+ impPar = fZEMb->Eval(corrADCZEMHG);
}
- // ### Results from production -> 0<b<18 fm (Apr 2002)
- if(zn1energy>162.) nGenSpecN = (Int_t) (fZEMn->Eval(zemenergy));
- if(zp1energy>59.75) nGenSpecP = (Int_t) (fZEMp->Eval(zemenergy));
- if(zdc1energy>221.5) nGenSpec = (Int_t)(fZEMsp->Eval(zemenergy));
- if(zdc1energy>220.) impPar = fZEMb->Eval(zemenergy);
-
- if(nGenSpecN>125) nGenSpecN=125;
- else if(nGenSpecN<0) nGenSpecN=0;
- if(nGenSpecP>82) nGenSpecP=82;
- else if(nGenSpecP<0) nGenSpecP=0;
- if(nGenSpec>207) nGenSpec=207;
- else if(nGenSpec<0) nGenSpec=0;
+ //
+ if(calibSumZN1[0]/maxValEZN1>1.) nGenSpecNLeft = (Int_t) (fZEMn->Eval(corrADCZEMHG));
+ if(calibSumZP1[0]/maxValEZP1>1.) nGenSpecPLeft = (Int_t) (fZEMp->Eval(corrADCZEMHG));
+ if((calibSumZN1[0]+calibSumZP1[0]/maxValEZDC1)>1.){
+ nGenSpecLeft = (Int_t)(fZEMsp->Eval(corrADCZEMHG));
+ impPar = fZEMb->Eval(corrADCZEMHG);
+ }
+ if(calibSumZN2[0]/maxValEZN2>1.) nGenSpecNRight = (Int_t) (fZEMn->Eval(corrADCZEMHG));
+ if(calibSumZP2[0]/maxValEZP2>1.) nGenSpecPRight = (Int_t) (fZEMp->Eval(corrADCZEMHG));
+ if((calibSumZN2[0]+calibSumZP2[0]/maxValEZDC2)>1.) nGenSpecRight = (Int_t)(fZEMsp->Eval(corrADCZEMHG));
+ //
+ if(nGenSpecNLeft>125) nGenSpecNLeft=125;
+ else if(nGenSpecNLeft<0) nGenSpecNLeft=0;
+ if(nGenSpecPLeft>82) nGenSpecPLeft=82;
+ else if(nGenSpecPLeft<0) nGenSpecPLeft=0;
+ if(nGenSpecLeft>207) nGenSpecLeft=207;
+ else if(nGenSpecLeft<0) nGenSpecLeft=0;
// --- Number of generated participants (from HIJING parameterization)
- Int_t nPart, nPartTot;
- nPart = 207-nGenSpecN-nGenSpecP;
- nPartTot = 207-nGenSpec;
- //printf("\t ZDCeventReco-> ZNEn = %.0f GeV, ZPEn = %.0f GeV, ZEMEn = %.0f GeV\n",
- // znenergy, zpenergy, zemenergy);
-
+ Int_t nPart, nPartTotLeft, nPartTotRight;
+ nPart = 207-nGenSpecNLeft-nGenSpecPLeft;
+ nPartTotLeft = 207-nGenSpecLeft;
+ nPartTotRight = 207-nGenSpecRight;
+ if(nPart<0) nPart=0;
+ if(nPartTotLeft<0) nPartTotLeft=0;
+ if(nPartTotRight<0) nPartTotRight=0;
+ //
+ // *** DEBUG ***
+ /*printf("\n\t AliZDCReconstructor -> calibSumZN1[0] %1.0f, calibSumZP1[0] %1.0f,"
+ " calibSumZN2[0] %1.0f, calibSumZP2[0] %1.0f, corrADCZEMHG %1.0f\n",
+ calibSumZN1[0],calibSumZP1[0],calibSumZN2[0],calibSumZP2[0],corrADCZEMHG);
+ printf("\t AliZDCReconstructor -> nGenSpecNLeft %d, nGenSpecPLeft %d, nGenSpecLeft %d\n"
+ "\t\t nGenSpecNRight %d, nGenSpecPRight %d, nGenSpecRight %d\n",
+ nGenSpecNLeft, nGenSpecPLeft, nGenSpecLeft,
+ nGenSpecNRight, nGenSpecPRight, nGenSpecRight);
+ printf("\t AliZDCReconstructor -> NpartL %d, NpartR %d, b %1.2f fm\n\n",nPartTotLeft, nPartTotRight, impPar);
+ */
+
// create the output tree
- loader->MakeTree("R");
- TTree* treeR = loader->TreeR();
- AliZDCReco reco(zn1energy, zp1energy, zdc1energy, zemenergy,
- zn2energy, zp2energy, zdc2energy,
- nDetSpecNLeft, nDetSpecPLeft, nDetSpecNRight, nDetSpecPRight,
- nGenSpecN, nGenSpecP, nGenSpec,nPartTot, impPar);
+ AliZDCReco reco(calibSumZN1, calibSumZP1, calibSumZN2, calibSumZP2,
+ calibTowZN1, calibTowZN2, calibTowZP1, calibTowZP2,
+ ZEM1ADCCorr, ZEM2ADCCorr, PMRef1, PMRef2,
+ nDetSpecNLeft, nDetSpecPLeft, nDetSpecNRight, nDetSpecPRight,
+ nGenSpecNLeft, nGenSpecPLeft, nGenSpecLeft, nGenSpecNRight,
+ nGenSpecPRight, nGenSpecRight, nPartTotLeft, nPartTotRight, impPar);
+
AliZDCReco* preco = &reco;
const Int_t kBufferSize = 4000;
- treeR->Branch("ZDC", "AliZDCReco", &preco, kBufferSize);
+ clustersTree->Branch("ZDC", "AliZDCReco", &preco, kBufferSize);
// write the output tree
- treeR->Fill();
- loader->WriteRecPoints("OVERWRITE");
+ clustersTree->Fill();
}
//_____________________________________________________________________________
-void AliZDCReconstructor::FillESD(AliRunLoader* runLoader,
- AliESD* esd) const
+void AliZDCReconstructor::FillZDCintoESD(TTree *clustersTree, AliESDEvent* esd) const
{
-// fill energies and number of participants to the ESD
+ // fill energies and number of participants to the ESD
- AliLoader* loader = runLoader->GetLoader("ZDCLoader");
- if (!loader) return;
- loader->LoadRecPoints();
-
- TTree* treeR = loader->TreeR();
- if (!treeR) return;
AliZDCReco reco;
AliZDCReco* preco = &reco;
- treeR->SetBranchAddress("ZDC", &preco);
-
- treeR->GetEntry(0);
- esd->SetZDC(reco.GetZN1energy(), reco.GetZP1energy(), reco.GetZEMenergy(),
- reco.GetZN2energy(), reco.GetZP2energy(), reco.GetNPart());
-
- loader->UnloadRecPoints();
+ clustersTree->SetBranchAddress("ZDC", &preco);
+
+ clustersTree->GetEntry(0);
+ //
+ AliESDZDC * esdzdc = esd->GetESDZDC();
+ Float_t tZN1Ene[5], tZN2Ene[5], tZP1Ene[5], tZP2Ene[5];
+ Float_t tZN1EneLR[5], tZN2EneLR[5], tZP1EneLR[5], tZP2EneLR[5];
+ for(Int_t i=0; i<5; i++){
+ tZN1Ene[i] = reco.GetZN1HREnTow(i);
+ tZN2Ene[i] = reco.GetZN2HREnTow(i);
+ tZP1Ene[i] = reco.GetZP1HREnTow(i);
+ tZP2Ene[i] = reco.GetZP2HREnTow(i);
+ //
+ tZN1EneLR[i] = reco.GetZN1LREnTow(i);
+ tZN2EneLR[i] = reco.GetZN2LREnTow(i);
+ tZP1EneLR[i] = reco.GetZP1LREnTow(i);
+ tZP2EneLR[i] = reco.GetZP2LREnTow(i);
+ }
+ esdzdc->SetZN1TowerEnergy(tZN1Ene);
+ esdzdc->SetZN2TowerEnergy(tZN2Ene);
+ esdzdc->SetZP1TowerEnergy(tZP1Ene);
+ esdzdc->SetZP2TowerEnergy(tZP2Ene);
+ esdzdc->SetZN1TowerEnergyLR(tZN1EneLR);
+ esdzdc->SetZN2TowerEnergyLR(tZN2EneLR);
+ esdzdc->SetZP1TowerEnergyLR(tZP1EneLR);
+ esdzdc->SetZP2TowerEnergyLR(tZP2EneLR);
+ //
+ esd->SetZDC(reco.GetZN1HREnergy(), reco.GetZP1HREnergy(), reco.GetZEM1HRsignal(),
+ reco.GetZEM2HRsignal(), reco.GetZN2HREnergy(), reco.GetZP2HREnergy(),
+ reco.GetNPartLeft());
+ //
+
}
//_____________________________________________________________________________
AliCDBStorage* AliZDCReconstructor::SetStorage(const char *uri)
{
- //printf("\n\t AliZDCReconstructor::SetStorage \n");
+ // Setting the storage
Bool_t deleteManager = kFALSE;
}
//_____________________________________________________________________________
-AliZDCCalibData* AliZDCReconstructor::GetCalibData() const
+AliZDCPedestals* AliZDCReconstructor::GetPedData() const
+{
+
+ // Getting pedestal calibration object for ZDC set
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Pedestals");
+ if(!entry) AliFatal("No calibration data loaded!");
+
+ AliZDCPedestals *calibdata = dynamic_cast<AliZDCPedestals*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
+
+ return calibdata;
+}
+
+//_____________________________________________________________________________
+AliZDCCalib* AliZDCReconstructor::GetECalibData() const
+{
+
+ // Getting energy and equalization calibration object for ZDC set
+
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Calib");
+ if(!entry) AliFatal("No calibration data loaded!");
+
+ AliZDCCalib *calibdata = dynamic_cast<AliZDCCalib*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
+
+ return calibdata;
+}
+
+//_____________________________________________________________________________
+AliZDCRecParam* AliZDCReconstructor::GetRecParams() const
{
- // Getting calibration object for ZDC set
+ // Getting energy and equalization calibration object for ZDC set
- AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/Data");
- AliZDCCalibData *calibdata = (AliZDCCalibData*) entry->GetObject();
+ AliCDBEntry *entry = AliCDBManager::Instance()->Get("ZDC/Calib/RecParam");
+ if(!entry) AliFatal("No calibration data loaded!");
- if (!calibdata) AliWarning("No calibration data from calibration database !");
+ AliZDCRecParam *calibdata = dynamic_cast<AliZDCRecParam*> (entry->GetObject());
+ if(!calibdata) AliFatal("Wrong calibration object in calibration file!");
return calibdata;
}