/************************************************************************** * 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 PHOS description: // PHOS consists of a PbWO4 calorimeter (EMCA) and a gazeous charged // particles detector (CPV or PPSD). // The only provided method here is CreateMaterials, // which defines the materials common to all PHOS versions. // //*-- Author: Laurent Aphecetche & Yves Schutz (SUBATECH) ////////////////////////////////////////////////////////////////////////////// // --- ROOT system --- class TFile; #include "TROOT.h" #include "TTree.h" #include "TFolder.h" // --- Standard library --- #include // --- AliRoot header files --- #include "AliPHOS.h" #include "AliMC.h" #include "AliRun.h" #include "AliMagF.h" #include "AliPHOSGeometry.h" #include "AliPHOSQAChecker.h" ClassImp(AliPHOS) //____________________________________________________________________________ AliPHOS:: AliPHOS() : AliDetector() { // Create folder and task hierarchy fName="PHOS"; CreatePHOSWhiteBoard(); } //____________________________________________________________________________ AliPHOS::AliPHOS(const char* name, const char* title): AliDetector(name, title) { // Create folder and task hierarchy CreatePHOSWhiteBoard(); } //____________________________________________________________________________ void AliPHOS::CreatePHOSWhiteBoard() { // create the ALICE TFolder // create the ALICE TTasks // add the Alice QA TTAsks // create the ALICE main TFolder // add the Alice QA Alarms // this should be done of course by AliRun //==================== BEG TO BE DONE BY AliRUN =========================== TFolder *alice = gROOT->GetRootFolder()->AddFolder("YSAlice","Alice Folder") ; gROOT->GetListOfBrowsables()->Add(alice, "YSAlice") ; TFolder * aliceF = alice->AddFolder("WhiteBoard", "Alice memory Folder") ; // make it the owner of the objects that it contains aliceF->SetOwner() ; // geometry folder TFolder * geomF = aliceF->AddFolder("Geometry", "Geometry objects") ; // alarms folder TFolder * alarmsF = aliceF->AddFolder("QAAlarms", "Alarms raised by QA check") ; // Hits folder TFolder * hitsF = aliceF->AddFolder("Hits", "Hits") ; // SDigits folder TFolder * sdigitsF = aliceF->AddFolder("SDigits", "Summable Digits") ; // Digits folder TFolder * digitsF = aliceF->AddFolder("Digits", "Digits") ; // RecPoints folder TFolder * rpointsF = aliceF->AddFolder("RecPoints", "RecPoints") ; // TrackSegments folder TFolder * tsF = aliceF->AddFolder("TrackSegments", "TrackSegments") ; // RecParticles folder TFolder * rparticlesF = aliceF->AddFolder("RecParticles", "RecParticles") ; // make it the owner of the objects that it contains alarmsF->SetOwner() ; hitsF->SetOwner() ; sdigitsF->SetOwner() ; digitsF->SetOwner() ; rpointsF->SetOwner() ; tsF->SetOwner() ; rparticlesF->SetOwner() ; // Tasks folder TFolder * aliceT = alice->AddFolder("tasks", "Alice tasks Folder") ; // make it the owner of the objects that it contains aliceT->SetOwner() ; TTask * aliceQA = new TTask("QA", "Alice QA tasks") ; aliceT->Add(aliceQA); TTask * aliceSD = new TTask("SDigitizer", "Alice SDigitizer") ; aliceT->Add(aliceSD); TTask * aliceDi = new TTask("Digitizer", "Alice Digitizer") ; aliceT->Add(aliceDi); TTask * aliceRe = new TTask("Reconstructioner", "Alice Reconstructioner") ; aliceT->Add(aliceRe); //==================== END TO BE DONE BY AliRUN =========================== // =================== Creating PHOS related folders char * tempo = new char[80] ; // creates the PHOSQA (QAChecker knows how to add itself in the tasks list) sprintf(tempo, "%sCheckers container",GetName() ) ; fQATask = new AliPHOSQAChecker(GetName(), tempo); // creates the PHOS SDigitizer and adds it to alice main SDigitizer task sprintf(tempo, "%sSDigitizers container",GetName() ) ; TTask * sdT = new TTask(GetName(), tempo); aliceSD->Add(sdT) ; // creates the PHOS Digitizer and adds it to alice main Digitizer task sprintf(tempo, "%sDigitizers container",GetName() ) ; TTask * dT = new TTask(GetName(), tempo); aliceDi->Add(dT) ; // creates the PHOS reconstructioner and adds it to alice main Reconstructioner task sprintf(tempo, "%s Reconstructioner container",GetName() ) ; TTask * reT = new TTask(GetName(), tempo); aliceRe->Add(reT) ; // creates the PHOS clusterizer, tracksegment maker and PID and adds it to the PHOS Reconstructioner task delete tempo ; // creates the PHOS geometry folder geomF->AddFolder("PHOS", "Geometry for PHOS") ; // creates the PHOSQA alarm folder alarmsF->AddFolder("PHOS", "QA alarms from PHOS") ; // creates the PHOS Hits folder hitsF->AddFolder("PHOS", "Hits for PHOS") ; // creates the PHOS Summable Digits folder sdigitsF->AddFolder("PHOS", "Summable Digits for PHOS") ; // creates the PHOS Digits folder digitsF->AddFolder("PHOS", "Digits for PHOS") ; // creates the PHOS RecPoints folder TFolder * prpF = rpointsF->AddFolder("PHOS", "RecPoints for PHOS") ; // creates the PHOS EMC RecPoints folder prpF->AddFolder("emc", "EMC RecPoints for PHOS") ; // creates the PHOS CPV RecPoints folder prpF->AddFolder("cpv", "CPV RecPoints for PHOS") ; // creates the PHOS TrackSegments folder tsF->AddFolder("PHOS", "Track Segments for PHOS") ; // creates the PHOS RecParticles folder rparticlesF->AddFolder("PHOS", "RecParticles for PHOS") ; } //____________________________________________________________________________ AliPHOS::~AliPHOS() { // remove the alice folder and alice QA task that PHOS creates instead of AliRun // remove and delete the PHOS QA tasks TTask * aliceQA = (TTask*)gROOT->FindObjectAny("YSAlice/tasks/QA") ; fQATask->GetListOfTasks()->Delete() ; aliceQA->GetListOfTasks()->Remove(fQATask) ; delete fQATask ; // remove and delete aliceQA (should be done by AliRun) } //____________________________________________________________________________ void AliPHOS::CreateMaterials() { // Definitions of materials to build PHOS and associated tracking media. // media number in idtmed are 699 to 798. // --- The PbWO4 crystals --- Float_t aX[3] = {207.19, 183.85, 16.0} ; Float_t zX[3] = {82.0, 74.0, 8.0} ; Float_t wX[3] = {1.0, 1.0, 4.0} ; Float_t dX = 8.28 ; AliMixture(0, "PbWO4$", aX, zX, dX, -3, wX) ; // --- The polysterene scintillator (CH) --- Float_t aP[2] = {12.011, 1.00794} ; Float_t zP[2] = {6.0, 1.0} ; Float_t wP[2] = {1.0, 1.0} ; Float_t dP = 1.032 ; AliMixture(1, "Polystyrene$", aP, zP, dP, -2, wP) ; // --- Aluminium --- AliMaterial(2, "Al$", 26.98, 13., 2.7, 8.9, 999., 0, 0) ; // --- Absorption length is ignored ^ // --- Tyvek (CnH2n) --- Float_t aT[2] = {12.011, 1.00794} ; Float_t zT[2] = {6.0, 1.0} ; Float_t wT[2] = {1.0, 2.0} ; Float_t dT = 0.331 ; AliMixture(3, "Tyvek$", aT, zT, dT, -2, wT) ; // --- Polystyrene foam --- Float_t aF[2] = {12.011, 1.00794} ; Float_t zF[2] = {6.0, 1.0} ; Float_t wF[2] = {1.0, 1.0} ; Float_t dF = 0.12 ; AliMixture(4, "Foam$", aF, zF, dF, -2, wF) ; // --- Titanium --- Float_t aTIT[3] = {47.88, 26.98, 54.94} ; Float_t zTIT[3] = {22.0, 13.0, 25.0} ; Float_t wTIT[3] = {69.0, 6.0, 1.0} ; Float_t dTIT = 4.5 ; AliMixture(5, "Titanium$", aTIT, zTIT, dTIT, -3, wTIT); // --- Silicon --- AliMaterial(6, "Si$", 28.0855, 14., 2.33, 9.36, 42.3, 0, 0) ; // --- Foam thermo insulation --- Float_t aTI[2] = {12.011, 1.00794} ; Float_t zTI[2] = {6.0, 1.0} ; Float_t wTI[2] = {1.0, 1.0} ; Float_t dTI = 0.04 ; AliMixture(7, "Thermo Insul.$", aTI, zTI, dTI, -2, wTI) ; // --- Textolitn --- Float_t aTX[4] = {16.0, 28.09, 12.011, 1.00794} ; Float_t zTX[4] = {8.0, 14.0, 6.0, 1.0} ; Float_t wTX[4] = {292.0, 68.0, 462.0, 736.0} ; Float_t dTX = 1.75 ; AliMixture(8, "Textolit$", aTX, zTX, dTX, -4, wTX) ; //--- FR4 --- Float_t aFR[3] = {28.0855, 15.9994, 17.749} ; Float_t zFR[3] = {14., 8., 8.875} ; Float_t wFR[3] = {.28, .32, .4} ; Float_t dFR = 1.8 ; AliMixture(9, "FR4$", aFR, zFR, dFR, -3, wFR) ; // --- The Composite Material for micromegas (so far polyetylene) --- Float_t aCM[2] = {12.01, 1.} ; Float_t zCM[2] = {6., 1.} ; Float_t wCM[2] = {1., 2.} ; Float_t dCM = 0.935 ; AliMixture(10, "Compo Mat$", aCM, zCM, dCM, -2, wCM) ; // --- Copper --- AliMaterial(11, "Cu$", 63.546, 29, 8.96, 1.43, 14.8, 0, 0) ; // --- G10 : Printed Circuit material --- Float_t aG10[4] = { 12., 1., 16., 28.} ; Float_t zG10[4] = { 6., 1., 8., 14.} ; Float_t wG10[4] = { .259, .288, .248, .205} ; Float_t dG10 = 1.7 ; AliMixture(12, "G10$", aG10, zG10, dG10, -4, wG10); // --- Lead --- AliMaterial(13, "Pb$", 207.2, 82, 11.35, 0.56, 0., 0, 0) ; // --- The gas mixture --- // Co2 Float_t aCO[2] = {12.0, 16.0} ; Float_t zCO[2] = {6.0, 8.0} ; Float_t wCO[2] = {1.0, 2.0} ; Float_t dCO = 0.001977 ; AliMixture(14, "CO2$", aCO, zCO, dCO, -2, wCO); // Ar Float_t dAr = 0.001782 ; AliMaterial(15, "Ar$", 39.948, 18.0, dAr, 14.0, 0., 0, 0) ; // ArCo2 Char_t namate[21]; Float_t aGM[2] ; Float_t zGM[2] ; Float_t wGM[2] ; Float_t dGM ; Float_t absL, radL, density ; Float_t buf[1] ; Int_t nbuf ; gMC->Gfmate((*fIdmate)[15], namate, aGM[0], zGM[0], density, radL, absL, buf, nbuf) ; // Get properties of Ar gMC->Gfmate((*fIdmate)[14], namate, aGM[1], zGM[1], density, radL, absL, buf, nbuf) ; // Get properties of CO2 // Create gas mixture Float_t arContent = 0.80 ; // Ar-content of the Ar/CO2-mixture (80% / 20%) wGM[0] = arContent; wGM[1] = 1. - arContent ; dGM = wGM[0] * dAr + wGM[1] * dCO; AliMixture(16, "ArCO2$", aGM, zGM, dGM, 2, wGM) ; // --- Stainless steel (let it be pure iron) --- AliMaterial(17, "Steel$", 55.845, 26, 7.87, 1.76, 0., 0, 0) ; // --- Fiberglass --- Float_t aFG[4] = {16.0, 28.09, 12.011, 1.00794} ; Float_t zFG[4] = {8.0, 14.0, 6.0, 1.0} ; Float_t wFG[4] = {292.0, 68.0, 462.0, 736.0} ; Float_t dFG = 1.9 ; AliMixture(18, "Fibergla$", aFG, zFG, dFG, -4, wFG) ; // --- Cables in Air box --- // SERVICES Float_t aCA[4] = { 1.,12.,55.8,63.5 }; Float_t zCA[4] = { 1.,6.,26.,29. }; Float_t wCA[4] = { .014,.086,.42,.48 }; Float_t dCA = 0.8 ; //this density is raw estimation, if you know better - correct AliMixture(19, "Cables $", aCA, zCA, dCA, -4, wCA) ; // --- Air --- AliMaterial(99, "Air$", 14.61, 7.3, 0.001205, 30420., 67500., 0, 0) ; // DEFINITION OF THE TRACKING MEDIA // for PHOS: idtmed[699->798] equivalent to fIdtmed[0->100] Int_t * idtmed = fIdtmed->GetArray() - 699 ; Int_t isxfld = gAlice->Field()->Integ() ; Float_t sxmgmx = gAlice->Field()->Max() ; // The scintillator of the calorimeter made of PBW04 -> idtmed[699] AliMedium(0, "PHOS Xtal $", 0, 1, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The scintillator of the CPV made of Polystyrene scintillator -> idtmed[700] AliMedium(1, "CPV scint. $", 1, 1, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // Various Aluminium parts made of Al -> idtmed[701] AliMedium(2, "Al parts $", 2, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; // The Tywek which wraps the calorimeter crystals -> idtmed[702] AliMedium(3, "Tyvek wrapper$", 3, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.001, 0.001, 0, 0) ; // The Polystyrene foam around the calorimeter module -> idtmed[703] AliMedium(4, "Polyst. foam $", 4, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The Titanium around the calorimeter crystal -> idtmed[704] AliMedium(5, "Titan. cover $", 5, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.0001, 0.0001, 0, 0) ; // The Silicon of the pin diode to read out the calorimeter crystal -> idtmed[705] AliMedium(6, "Si PIN $", 6, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.01, 0.01, 0, 0) ; // The thermo insulating material of the box which contains the calorimeter module -> idtmed[706] AliMedium(7, "Thermo Insul.$", 7, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The Textolit which makes up the box which contains the calorimeter module -> idtmed[707] AliMedium(8, "Textolit $", 8, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // FR4: The Plastic which makes up the frame of micromegas -> idtmed[708] AliMedium(9, "FR4 $", 9, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; // The Composite Material for micromegas -> idtmed[709] AliMedium(10, "CompoMat $", 10, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // Copper -> idtmed[710] AliMedium(11, "Copper $", 11, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; // G10: Printed Circuit material -> idtmed[711] AliMedium(12, "G10 $", 12, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; // The Lead -> idtmed[712] AliMedium(13, "Lead $", 13, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // The gas mixture: ArCo2 -> idtmed[715] AliMedium(16, "ArCo2 $", 16, 1, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.01, 0, 0) ; // Stainless steel -> idtmed[716] AliMedium(17, "Steel $", 17, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.0001, 0, 0) ; // Fibergalss -> idtmed[717] AliMedium(18, "Fiberglass$", 18, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // Cables in air -> idtmed[718] AliMedium(19, "Cables $", 19, 0, isxfld, sxmgmx, 10.0, 0.1, 0.1, 0.1, 0.1, 0, 0) ; // Air -> idtmed[798] AliMedium(99, "Air $", 99, 0, isxfld, sxmgmx, 10.0, 1.0, 0.1, 0.1, 10.0, 0, 0) ; // --- Set decent energy thresholds for gamma and electron tracking // Tracking threshold for photons and electrons in the scintillator crystal gMC->Gstpar(idtmed[699], "CUTGAM",0.5E-4) ; gMC->Gstpar(idtmed[699], "CUTELE",1.0E-4) ; // --- Generate explicitly delta rays in the titan cover --- gMC->Gstpar(idtmed[704], "LOSS",3.) ; gMC->Gstpar(idtmed[704], "DRAY",1.) ; // --- and in aluminium parts --- gMC->Gstpar(idtmed[701], "LOSS",3.) ; gMC->Gstpar(idtmed[701], "DRAY",1.) ; // --- and in PIN diode gMC->Gstpar(idtmed[705], "LOSS",3) ; gMC->Gstpar(idtmed[705], "DRAY",1) ; // --- and in the passive convertor gMC->Gstpar(idtmed[712], "LOSS",3) ; gMC->Gstpar(idtmed[712], "DRAY",1) ; // Tracking threshold for photons and electrons in the gas ArC02 gMC->Gstpar(idtmed[715], "CUTGAM",1.E-5) ; gMC->Gstpar(idtmed[715], "CUTELE",1.E-5) ; gMC->Gstpar(idtmed[715], "CUTNEU",1.E-5) ; gMC->Gstpar(idtmed[715], "CUTHAD",1.E-5) ; gMC->Gstpar(idtmed[715], "CUTMUO",1.E-5) ; gMC->Gstpar(idtmed[715], "BCUTE",1.E-5) ; gMC->Gstpar(idtmed[715], "BCUTM",1.E-5) ; gMC->Gstpar(idtmed[715], "DCUTE",1.E-5) ; gMC->Gstpar(idtmed[715], "DCUTM",1.E-5) ; gMC->Gstpar(idtmed[715], "PPCUTM",1.E-5) ; gMC->Gstpar(idtmed[715], "LOSS",2.) ; gMC->Gstpar(idtmed[715], "DRAY",0.) ; gMC->Gstpar(idtmed[715], "STRA",2.) ; } //____________________________________________________________________________ AliPHOSGeometry * AliPHOS::GetGeometry() const { // gets the pointer to the AliPHOSGeometry unique instance from the folder AliPHOSGeometry * rv = 0 ; TString path("YSAlice/WhiteBoard/Geometry/PHOS/") ; path += GetTitle() ; rv = (AliPHOSGeometry*)gROOT->FindObjectAny(path) ; return rv ; } //____________________________________________________________________________ void AliPHOS::SetTreeAddress() { // TBranch *branch; // AliDetector::SetTreeAddress(); TBranch *branch; char branchname[20]; sprintf(branchname,"%s",GetName()); // Branch address for hit tree TTree *treeH = gAlice->TreeH(); if (treeH && fHits) { branch = treeH->GetBranch(branchname); if (branch) branch->SetAddress(&fHits); } } //____________________________________________________________________________ void AliPHOS::WriteQA() { // Make TreeQA in the output file. if(fTreeQA == 0) fTreeQA = new TTree("TreeQA", "QA Alarms") ; // Create Alarms branches Int_t bufferSize = 32000 ; Int_t splitlevel = 0 ; TFolder * alarmsF = (TFolder*)gROOT->FindObjectAny("YSAlice/WhiteBoard/QAAlarms/PHOS") ; TString branchName(alarmsF->GetName()); TBranch * alarmsBranch = fTreeQA->Branch(branchName,"TFolder", &alarmsF, bufferSize, splitlevel); TString branchTitle = branchName + " QA alarms" ; alarmsBranch->SetTitle(branchTitle); alarmsBranch->Fill() ; // fTreeQA->Fill() ; }