/************************************************************************** * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * * * * Author: The ALICE Off-line Project. * * Contributors are mentioned in the code where appropriate. * * * * Permission to use, copy, modify and distribute this software and its * * documentation strictly for non-commercial purposes is hereby granted * * without fee, provided that the above copyright notice appears in all * * copies and that both the copyright notice and this permission notice * * appear in the supporting documentation. The authors make no claims * * about the suitability of this software for any purpose. It is * * provided "as is" without express or implied warranty. * **************************************************************************/ /* $Id$ */ //_________________________________________________________________________ // Base Class for EMCAL description: // This class contains material definitions // for the EMCAL - It does not place the detector in Alice //*-- Author: Yves Schutz (SUBATECH) // //*-- Additional Contributions: Sahal Yacoob (LBNL/UCT) // : Alexei Pavlinov (WSU) // ////////////////////////////////////////////////////////////////////////////// // --- ROOT system --- class TFile; #include #include #include #include #include #include #include // --- Standard library --- // --- AliRoot header files --- #include "AliMagF.h" #include "AliEMCAL.h" #include "AliRun.h" #include "AliEMCALLoader.h" #include "AliEMCALSDigitizer.h" #include "AliEMCALDigitizer.h" #include "AliEMCALDigit.h" #include "AliEMCALRawUtils.h" #include "AliCDBManager.h" #include "AliCDBEntry.h" ClassImp(AliEMCAL) //____________________________________________________________________________ AliEMCAL::AliEMCAL() : AliDetector(), fBirkC0(0), fBirkC1(0.), fBirkC2(0.), fGeometry(0) { // Default ctor fName = "EMCAL" ; InitConstants(); // Should call AliEMCALGeometry::GetInstance(EMCAL->GetTitle(),"") for getting EMCAL geometry } //____________________________________________________________________________ AliEMCAL::AliEMCAL(const char* name, const char* title) : AliDetector(name,title), fBirkC0(0), fBirkC1(0.), fBirkC2(0.), fGeometry(0) { // ctor : title is used to identify the layout InitConstants(); } //____________________________________________________________________________ AliEMCAL::~AliEMCAL() { //dtor } //____________________________________________________________________________ void AliEMCAL::InitConstants() { //initialize EMCAL values fBirkC0 = 1; fBirkC1 = 0.013/1.032; fBirkC2 = 9.6e-6/(1.032 * 1.032); } //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. //Load the modified one in the configuration file with SetTransPar // //____________________________________________________________________________ // void AliEMCAL::DefineMediumParameters() // { // // // // EMCAL cuts (Geant3) // // // Int_t * idtmed = fIdtmed->GetArray() - 1599 ; // // --- Set decent energy thresholds for gamma and electron tracking // // Tracking threshold for photons and electrons in Lead // Float_t cutgam=10.e-5; // 100 kev; // Float_t cutele=10.e-5; // 100 kev; // TString ntmp(GetTitle()); // ntmp.ToUpper(); // if(ntmp.Contains("10KEV")) { // cutele = cutgam = 1.e-5; // } else if(ntmp.Contains("50KEV")) { // cutele = cutgam = 5.e-5; // } else if(ntmp.Contains("100KEV")) { // cutele = cutgam = 1.e-4; // } else if(ntmp.Contains("200KEV")) { // cutele = cutgam = 2.e-4; // } else if(ntmp.Contains("500KEV")) { // cutele = cutgam = 5.e-4; // } // gMC->Gstpar(idtmed[1600],"CUTGAM", cutgam); // gMC->Gstpar(idtmed[1600],"CUTELE", cutele); // 1MEV -> 0.1MEV; 15-aug-05 // gMC->Gstpar(idtmed[1600],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1600],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM // // --- Generate explicitly delta rays in Lead --- // gMC->Gstpar(idtmed[1600], "LOSS", 3) ; // gMC->Gstpar(idtmed[1600], "DRAY", 1) ; // gMC->Gstpar(idtmed[1600], "DCUTE", cutele) ; // gMC->Gstpar(idtmed[1600], "DCUTM", cutele) ; // // --- in aluminium parts --- // gMC->Gstpar(idtmed[1602],"CUTGAM", cutgam) ; // gMC->Gstpar(idtmed[1602],"CUTELE", cutele) ; // gMC->Gstpar(idtmed[1602],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1602],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1602], "LOSS",3.) ; // gMC->Gstpar(idtmed[1602], "DRAY",1.) ; // gMC->Gstpar(idtmed[1602], "DCUTE", cutele) ; // gMC->Gstpar(idtmed[1602], "DCUTM", cutele) ; // // --- and finally thresholds for photons and electrons in the scintillator --- // gMC->Gstpar(idtmed[1601],"CUTGAM", cutgam) ; // gMC->Gstpar(idtmed[1601],"CUTELE", cutele) ;// 1MEV -> 0.1MEV; 15-aug-05 // gMC->Gstpar(idtmed[1601],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1601],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1601], "LOSS",3) ; // generate delta rays // gMC->Gstpar(idtmed[1601], "DRAY",1) ; // gMC->Gstpar(idtmed[1601], "DCUTE", cutele) ; // gMC->Gstpar(idtmed[1601], "DCUTM", cutele) ; // // S steel - // gMC->Gstpar(idtmed[1603],"CUTGAM", cutgam); // gMC->Gstpar(idtmed[1603],"CUTELE", cutele); // gMC->Gstpar(idtmed[1603],"BCUTE", cutgam); // BCUTE and BCUTM start from GUTGUM // gMC->Gstpar(idtmed[1603],"BCUTM", cutgam); // BCUTE and BCUTM start from GUTGUM // // --- Generate explicitly delta rays // gMC->Gstpar(idtmed[1603], "LOSS",3); // gMC->Gstpar(idtmed[1603], "DRAY",1); // gMC->Gstpar(idtmed[1603], "DCUTE", cutele) ; // gMC->Gstpar(idtmed[1603], "DCUTM", cutele) ; // AliEMCALGeometry* geom = GetGeometry(); // if(geom->GetILOSS()>=0) { // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "LOSS", geom->GetILOSS()) ; // } // if(geom->GetIHADR()>=0) { // for(int i=1600; i<=1603; i++) gMC->Gstpar(idtmed[i], "HADR", geom->GetIHADR()) ; // } // } //____________________________________________________________________________ AliDigitizer* AliEMCAL::CreateDigitizer(AliRunDigitizer* manager) const { //create and return the digitizer return new AliEMCALDigitizer(manager); } //____________________________________________________________________________ void AliEMCAL::CreateMaterials() { // Definitions of materials to build EMCAL and associated tracking media. // media number in idtmed are 1599 to 1698. // --- Air --- Float_t aAir[4]={12.0107,14.0067,15.9994,39.948}; Float_t zAir[4]={6.,7.,8.,18.}; Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827}; Float_t dAir = 1.20479E-3; AliMixture(0, "Air$", aAir, zAir, dAir, 4, wAir) ; // --- Lead --- AliMaterial(1, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; // --- The polysterene scintillator (CH) --- Float_t aP[2] = {12.011, 1.00794} ; Float_t zP[2] = {6.0, 1.0} ; Float_t wP[2] = {1.0, 1.0} ; Float_t dP = 1.032 ; AliMixture(2, "Polystyrene$", aP, zP, dP, -2, wP) ; // --- Aluminium --- AliMaterial(3, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; // --- Absorption length is ignored ^ // 25-aug-04 by PAI - see PMD/AliPMDv0.cxx for STEEL definition Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 }; Float_t zsteel[4] = { 26.,24.,28.,14. }; Float_t wsteel[4] = { .715,.18,.1,.005 }; AliMixture(4, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel); // Oct 26,2010 : Multipurpose Copy Paper UNV-21200), weiht 75 g/m**2. // *Cellulose C6H10O5 // Component C A=12.01 Z=6. W=6./21. // Component H A=1. Z=1. W=10./21. // Component O A=16. Z=8. W=5./21. Float_t apaper[3] = { 12.01, 1.0, 16.0}; Float_t zpaper[3] = { 6.0, 1.0, 8.0}; Float_t wpaper[3] = {6./21., 10./21., 5./21.}; AliMixture(5, "BondPaper$", apaper, zpaper, 0.75, 3, wpaper); // DEFINITION OF THE TRACKING MEDIA // Look to the $ALICE_ROOT/data/galice.cuts for particular values // of cuts. // Don't forget to add a new tracking medium with non-default cuts // for EMCAL: idtmed[1599->1698] equivalent to fIdtmed[0->100] Int_t isxfld = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Integ() ; Float_t sxmgmx = ((AliMagF*)TGeoGlobalMagField::Instance()->GetField())->Max() ; // Air -> idtmed[1599] AliMedium(0, "Air$", 0, 0, isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; // The Lead -> idtmed[1600] AliMedium(1, "Lead$", 1, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[1601] float deemax = 0.1; // maximum fractional energy loss in one step (0 < DEEMAX < deemax ) AliMedium(2, "Scintillator$", 2, 1, isxfld, sxmgmx, 10.0, 0.001, deemax, 0.001, 0.001, 0, 0) ; // Various Aluminium parts made of Al -> idtmed[1602] AliMedium(3, "Al$", 3, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; // 25-aug-04 by PAI : see PMD/AliPMDv0.cxx for STEEL definition -> idtmed[1603] AliMedium(4, "S steel$", 4, 0, isxfld, sxmgmx, 10.0, 0.01, 0.1, 0.001, 0.001, 0, 0) ; // Oct 26,2010; Nov 24,2010 -> idtmed[1604] deemax = 0.01; AliMedium(5, "Paper$", 5, 0, isxfld, sxmgmx, 10.0, deemax, 0.1, 0.001, 0.001, 0, 0) ; //set constants for Birk's Law implentation fBirkC0 = 1; fBirkC1 = 0.013/dP; fBirkC2 = 9.6e-6/(dP * dP); } //____________________________________________________________________________ void AliEMCAL::Init() { // Init //Not needed, modify $ALICE_ROOT/data/galice.cuts instead. //Load the modified one in the configuration file with SetTransPar //DefineMediumParameters(); } //____________________________________________________________________________ void AliEMCAL::Digits2Raw() { static AliEMCALRawUtils rawUtils; rawUtils.Digits2Raw(); } //____________________________________________________________________________ void AliEMCAL::Hits2SDigits() { // create summable digits GetGeometry(); AliEMCALSDigitizer emcalDigitizer(fLoader->GetRunLoader()->GetFileName().Data()) ; emcalDigitizer.SetEventRange(0, -1) ; // do all the events emcalDigitizer.ExecuteTask() ; } //____________________________________________________________________________ AliLoader* AliEMCAL::MakeLoader(const char* topfoldername) { //different behaviour than standard (singleton getter) // --> to be discussed and made eventually coherent fLoader = new AliEMCALLoader(GetName(),topfoldername); return fLoader; }