// For details and for the NORMALIZATION of the yields see: //
// N.Carrer and A.Dainese, //
// "Charm and beauty production at the LHC", //
-// ALICE-INT-2003-019, [arXiv:hep-ph/0311225]. //
+// ALICE-INT-2003-019, [arXiv:hep-ph/0311225]; //
+// PPR Chapter 6.6, CERN/LHCC 2005-030 (2005). //
//*******************************************************************//
#if !defined(__CINT__) || defined(__MAKECINT__)
#include <Riostream.h>
#include <TDatime.h>
#include <TSystem.h>
#include <TVirtualMC.h>
-#include <TGeant3.h>
+#include <TGeant3TGeo.h>
#include "STEER/AliRunLoader.h"
#include "STEER/AliRun.h"
#include "STEER/AliConfig.h"
#include "STEER/AliMagFMaps.h"
#include "STRUCT/AliBODY.h"
#include "STRUCT/AliMAG.h"
-#include "STRUCT/AliABSOv0.h"
-#include "STRUCT/AliDIPOv2.h"
-#include "STRUCT/AliHALL.h"
+#include "STRUCT/AliABSOv3.h"
+#include "STRUCT/AliDIPOv3.h"
+#include "STRUCT/AliHALLv3.h"
#include "STRUCT/AliFRAMEv2.h"
-#include "STRUCT/AliSHILv2.h"
-#include "STRUCT/AliPIPEv0.h"
-#include "ITS/AliITSvPPRasymmFMD.h"
+#include "STRUCT/AliSHILv3.h"
+#include "STRUCT/AliPIPEv3.h"
+#include "ITS/AliITSv11Hybrid.h"
#include "TPC/AliTPCv2.h"
-#include "TOF/AliTOFv4T0.h"
-#include "RICH/AliRICHv1.h"
-#include "ZDC/AliZDCv1.h"
+#include "TOF/AliTOFv6T0.h"
+#include "HMPID/AliHMPIDv3.h"
+#include "ZDC/AliZDCv3.h"
#include "TRD/AliTRDv1.h"
#include "FMD/AliFMDv0.h"
#include "MUON/AliMUONv1.h"
#include "PHOS/AliPHOSv1.h"
#include "PMD/AliPMDv1.h"
-#include "START/AliSTARTv1.h"
-#include "CRT/AliCRTv1.h"
+#include "T0/AliT0v1.h"
+#include "ACORDE/AliACORDEv1.h"
#endif
//--- Heavy Flavour Production ---
enum ProcessHvFl_t
{
- kCharmPbPb5500, kCharmpPb8800, kCharmpp14000,
+ kCharmPbPb5500, kCharmpPb8800, kCharmpp14000, kCharmpp14000wmi,
kD0PbPb5500, kD0pPb8800, kD0pp14000,
- kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
- kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000
+ kDPlusPbPb5500, kDPluspPb8800, kDPluspp14000,
+ kDPlusStrangePbPb5500, kDPlusStrangepPb8800, kDPlusStrangepp14000,
+ kBeautyPbPb5500, kBeautypPb8800, kBeautypp14000, kBeautypp14000wmi
};
//--- Decay Mode ---
enum DecayHvFl_t
{
k2kG, k4kG, k5kG
};
+//--- Trigger config ---
+enum TrigConf_t
+{
+ kDefaultPPTrig, kDefaultPbPbTrig
+};
+const char * TrigConfName[] = {
+ "p-p","Pb-Pb"
+};
+
//--- Functions ---
+class AliGenPythia;
AliGenPythia *PythiaHVQ(ProcessHvFl_t proc);
+void LoadPythia();
// This part for configuration
static ProcessHvFl_t procHvFl = kCharmPbPb5500;
static DecayHvFl_t decHvFl = kNature;
static YCut_t ycut = kFull;
-static Mag_t mag = k4kG;
+static Mag_t mag = k5kG;
+static TrigConf_t trig = kDefaultPbPbTrig; // default PbPb trigger configuration
// nEvts = -1 : you get 1 QQbar pair and all the fragmentation and
// decay chain
// nEvts = N>0 : you get N charm / beauty Hadrons
// = kFALSE: only final heavy hadrons and their decays stored
Bool_t stars = kTRUE;
+// To be used only with kCharmppMNRwmi and kBeautyppMNRwmi
+// To get a "reasonable" agreement with MNR results, events have to be
+// generated with the minimum ptHard set to 2.76 GeV.
+// To get a "perfect" agreement with MNR results, events have to be
+// generated in four ptHard bins with the following relative
+// normalizations:
+// CHARM
+// 2.76-3 GeV: 25%
+// 3-4 GeV: 40%
+// 4-8 GeV: 29%
+// >8 GeV: 6%
+// BEAUTY
+// 2.76-4 GeV: 5%
+// 4-6 GeV: 31%
+// 6-8 GeV: 28%
+// >8 GeV: 36%
+Float_t ptHardMin = 2.76;
+Float_t ptHardMax = -1.;
+
// Comment line
static TString comment;
// cerr<<"Seed for random number generation= "<<seed<<endl;
gRandom->SetSeed(12345);
-
+ // Load Pythia libraries
+ LoadPythia();
// libraries required by geant321
#if defined(__CINT__)
gSystem->Load("libgeant321");
new TGeant3TGeo("C++ Interface to Geant3");
+ if(!AliCDBManager::Instance()->IsDefaultStorageSet()){
+ AliCDBManager::Instance()->SetDefaultStorage("local://$ALICE_ROOT");
+ AliCDBManager::Instance()->SetRun(0);
+ }
+
//=======================================================================
// Create the output file
rl->SetCompressionLevel(2);
rl->SetNumberOfEventsPerFile(3);
gAlice->SetRunLoader(rl);
+ // gAlice->SetGeometryFromFile("geometry.root");
+ // gAlice->SetGeometryFromCDB();
+
+ // Set the trigger configuration
+ gAlice->SetTriggerDescriptor(TrigConfName[trig]);
+ cout<<"Trigger configuration is set to "<<TrigConfName[trig]<<endl;
//
//=======================================================================
// By default all ALICE is switched off
Int_t iABSO=0;
- Int_t iCRT=0;
+ Int_t iACORDE=0;
Int_t iDIPO=0;
Int_t iFMD=0;
Int_t iFRAME=0;
Int_t iPHOS=0;
Int_t iPIPE=0;
Int_t iPMD=0;
- Int_t iRICH=0;
+ Int_t iHMPID=0;
Int_t iSHIL=0;
- Int_t iSTART=0;
+ Int_t iT0=0;
Int_t iTOF=0;
Int_t iTPC=0;
Int_t iTRD=0;
if(iABSO) {
//=================== ABSO parameters ============================
- AliABSO *ABSO = new AliABSOv0("ABSO","Muon Absorber");
+ AliABSO *ABSO = new AliABSOv3("ABSO","Muon Absorber");
}
if(iDIPO) {
//=================== DIPO parameters ============================
- AliDIPO *DIPO = new AliDIPOv2("DIPO","Dipole version 2");
+ AliDIPO *DIPO = new AliDIPOv3("DIPO","Dipole version 3");
}
if(iHALL) {
//=================== HALL parameters ============================
- AliHALL *HALL = new AliHALL("HALL","Alice Hall");
+ AliHALL *HALL = new AliHALLv3("HALL","Alice Hall");
}
//=================== FRAME parameters ============================
AliFRAME *FRAME = new AliFRAMEv2("FRAME","Space Frame");
-
+ FRAME->SetHoles(1);
}
if(iSHIL) {
//=================== SHIL parameters ============================
- AliSHIL *SHIL = new AliSHILv2("SHIL","Shielding");
+ AliSHIL *SHIL = new AliSHILv3("SHIL","Shielding");
}
if(iPIPE) {
//=================== PIPE parameters ============================
- AliPIPE *PIPE = new AliPIPEv0("PIPE","Beam Pipe");
+ AliPIPE *PIPE = new AliPIPEv3("PIPE","Beam Pipe");
}
if(iITS) {
+ //=================== ITS parameters ============================
-//=================== ITS parameters ============================
- //
- // As the innermost detector in ALICE, the Inner Tracking System "impacts" on
- // almost all other detectors. This involves the fact that the ITS geometry
- // still has several options to be followed in parallel in order to determine
- // the best set-up which minimizes the induced background. All the geometries
- // available to date are described in the following. Read carefully the comments
- // and use the default version (the only one uncommented) unless you are making
- // comparisons and you know what you are doing. In this case just uncomment the
- // ITS geometry you want to use and run Aliroot.
- //
- // Detailed geometries:
- //
- //
- //AliITS *ITS = new AliITSv5symm("ITS","Updated ITS TDR detailed version with symmetric services");
- //
- //AliITS *ITS = new AliITSv5asymm("ITS","Updates ITS TDR detailed version with asymmetric services");
- //
- AliITSvPPRasymmFMD *ITS = new AliITSvPPRasymmFMD("ITS","New ITS PPR detailed version with asymmetric services");
- ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
- ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
- ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRasymm2.det"); // don't touch this parameter if you're not an ITS developer
- ITS->SetThicknessDet1(200.); // detector thickness on layer 1 must be in the range [150,300]
- ITS->SetThicknessDet2(200.); // detector thickness on layer 2 must be in the range [150,300]
- ITS->SetThicknessChip1(200.); // chip thickness on layer 1 must be in the range [100,300]
- ITS->SetThicknessChip2(200.); // chip thickness on layer 2 must be in the range [100,300]
- ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
- ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
- //
- //AliITSvPPRsymm *ITS = new AliITSvPPRsymm("ITS","New ITS PPR detailed version with symmetric services");
- //ITS->SetMinorVersion(2); // don't touch this parameter if you're not an ITS developer
- //ITS->SetReadDet(kFALSE); // don't touch this parameter if you're not an ITS developer
- //ITS->SetWriteDet("$ALICE_ROOT/ITS/ITSgeometry_vPPRsymm2.det"); // don't touch this parameter if you're not an ITS developer
- //ITS->SetThicknessDet1(300.); // detector thickness on layer 1 must be in the range [150,300]
- //ITS->SetThicknessDet2(300.); // detector thickness on layer 2 must be in the range [150,300]
- //ITS->SetThicknessChip1(300.); // chip thickness on layer 1 must be in the range [100,300]
- //ITS->SetThicknessChip2(300.); // chip thickness on layer 2 must be in the range [100,300]
- //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
- //ITS->SetCoolingFluid(1); // 1 --> water ; 0 --> freon
- //
- //
- // Coarse geometries (warning: no hits are produced with these coarse geometries and they unuseful
- // for reconstruction !):
- //
- //
- //AliITSvPPRcoarseasymm *ITS = new AliITSvPPRcoarseasymm("ITS","New ITS PPR coarse version with asymmetric services");
- //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
- //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
- //
- //AliITS *ITS = new AliITSvPPRcoarsesymm("ITS","New ITS PPR coarse version with symmetric services");
- //ITS->SetRails(1); // 1 --> rails in ; 0 --> rails out
- //ITS->SetSupportMaterial(0); // 0 --> Copper ; 1 --> Aluminum ; 2 --> Carbon
- //
- //
- //
- // Geant3 <-> EUCLID conversion
- // ============================
- //
- // SetEUCLID is a flag to output (=1) or not to output (=0) both geometry and
- // media to two ASCII files (called by default ITSgeometry.euc and
- // ITSgeometry.tme) in a format understandable to the CAD system EUCLID.
- // The default (=0) means that you dont want to use this facility.
- //
- ITS->SetEUCLID(0);
+ AliITS *ITS = new AliITSv11Hybrid("ITS","ITS v11Hybrid");
}
if(iTPC) {
- //============================ TPC parameters ================================
- // --- This allows the user to specify sectors for the SLOW (TPC geometry 2)
- // --- Simulator. SecAL (SecAU) <0 means that ALL lower (upper)
- // --- sectors are specified, any value other than that requires at least one
- // --- sector (lower or upper)to be specified!
- // --- Reminder: sectors 1-24 are lower sectors (1-12 -> z>0, 13-24 -> z<0)
- // --- sectors 25-72 are the upper ones (25-48 -> z>0, 49-72 -> z<0)
- // --- SecLows - number of lower sectors specified (up to 6)
- // --- SecUps - number of upper sectors specified (up to 12)
- // --- Sens - sensitive strips for the Slow Simulator !!!
- // --- This does NOT work if all S or L-sectors are specified, i.e.
- // --- if SecAL or SecAU < 0
- //
- //
- //-----------------------------------------------------------------------------
-
- // gROOT->LoadMacro("SetTPCParam.C");
- // AliTPCParam *param = SetTPCParam();
+ //============================ TPC parameters ===================
AliTPC *TPC = new AliTPCv2("TPC","Default");
- // All sectors included
- TPC->SetSecAL(-1);
- TPC->SetSecAU(-1);
-
}
if(iTOF) {
//=================== TOF parameters ============================
- AliTOF *TOF = new AliTOFv4T0("TOF","normal TOF");
+ AliTOF *TOF = new AliTOFv6T0("TOF","normal TOF");
}
- if(iRICH) {
- //=================== RICH parameters ===========================
- AliRICH *RICH = new AliRICHv1("RICH","normal RICH");
+ if(iHMPID) {
+ //=================== HMPID parameters ===========================
+ AliHMPID *HMPID = new AliHMPIDv3("HMPID","normal HMPID");
}
if(iZDC) {
//=================== ZDC parameters ============================
- AliZDC *ZDC = new AliZDCv1("ZDC","normal ZDC");
+ AliZDC *ZDC = new AliZDCv3("ZDC","normal ZDC");
}
- if(iCRT) {
- //=================== CRT parameters ============================
+ if(iACORDE) {
+ //=================== ACORDE parameters ============================
- AliCRT *CRT = new AliCRTv1("CRT","normal CRT");
+ AliACORDE *ACORDE = new AliACORDEv1("ACORDE","normal ACORDE");
}
if(iTRD) {
//=================== TRD parameters ============================
AliTRD *TRD = new AliTRDv1("TRD","TRD slow simulator");
-
- // Select the gas mixture (0: 97% Xe + 3% isobutane, 1: 90% Xe + 10% CO2)
- TRD->SetGasMix(1);
-
- // With hole in front of PHOS
- TRD->SetPHOShole();
- // With hole in front of RICH
- TRD->SetRICHhole();
- // Switch on TR
- AliTRDsim *TRDsim = TRD->CreateTR();
}
if(iFMD) {
}
- //=================== CRT parameters ===========================
+ //=================== ACORDE parameters ===========================
- if(iCRT) {
- AliCRT *CRT = new AliCRTv1("CRT","Normal CRTGPS2");
+ if(iACORDE) {
+ AliACORDE *ACORDE = new AliACORDEv1("ACORDE","Normal ACORDEGPS2");
}
}
- if(iSTART) {
- //=================== START parameters ============================
- AliSTART *START = new AliSTARTv1("START","START Detector");
+ if(iT0) {
+ //=================== T0 parameters ============================
+ AliT0 *T0 = new AliT0v1("T0","T0 Detector");
}
gener->SetPtHard(2.1,-1.0);
gener->SetEnergyCMS(14000.);
break;
+ case kCharmpp14000wmi:
+ comment = comment.Append(" Charm in pp at 14 TeV with mult. interactions");
+ gener = new AliGenPythia(-1);
+ gener->SetProcess(kPyCharmppMNRwmi);
+ gener->SetStrucFunc(kCTEQ5L);
+ gener->SetPtHard(ptHardMin,ptHardMax);
+ gener->SetEnergyCMS(14000.);
+ break;
case kD0PbPb5500:
comment = comment.Append(" D0 in Pb-Pb at 5.5 TeV");
gener = new AliGenPythia(nEvts);
gener->SetPtHard(2.1,-1.0);
gener->SetEnergyCMS(14000.);
break;
+ case kDPlusStrangePbPb5500:
+ comment = comment.Append(" DPlusStrange in Pb-Pb at 5.5 TeV");
+ gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyDPlusStrangePbPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(5500.);
+ gener->SetNuclei(208,208);
+ break;
+ case kDPlusStrangepPb8800:
+ comment = comment.Append(" DPlusStrange in p-Pb at 8.8 TeV");
+ gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyDPlusStrangepPbMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(8800.);
+ gener->SetProjectile("P",1,1);
+ gener->SetTarget("Pb",208,82);
+ break;
+ case kDPlusStrangepp14000:
+ comment = comment.Append(" DPlusStrange in pp at 14 TeV");
+ gener = new AliGenPythia(nEvts);
+ gener->SetProcess(kPyDPlusStrangeppMNR);
+ gener->SetStrucFunc(kCTEQ4L);
+ gener->SetPtHard(2.1,-1.0);
+ gener->SetEnergyCMS(14000.);
+ break;
case kBeautyPbPb5500:
comment = comment.Append(" Beauty in Pb-Pb at 5.5 TeV");
gener = new AliGenPythia(nEvts);
gener->SetPtHard(2.75,-1.0);
gener->SetEnergyCMS(14000.);
break;
+ case kBeautypp14000wmi:
+ comment = comment.Append(" Beauty in pp at 14 TeV with mult. interactions");
+ gener = new AliGenPythia(-1);
+ gener->SetProcess(kPyBeautyppMNRwmi);
+ gener->SetStrucFunc(kCTEQ5L);
+ gener->SetPtHard(ptHardMin,ptHardMax);
+ gener->SetEnergyCMS(14000.);
+ break;
}
return gener;
+void LoadPythia()
+{
+ // Load Pythia related libraries
+ gSystem->Load("liblhapdf.so"); // Parton density functions
+ gSystem->Load("libEGPythia6.so"); // TGenerator interface
+ gSystem->Load("libpythia6.so"); // Pythia
+ gSystem->Load("libAliPythia6.so"); // ALICE specific implementations
+}
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff