Skip to content
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Original file line number Diff line number Diff line change
@@ -0,0 +1,10 @@
[GeneratorExternal]
fileName=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator_pythia8_LF_rapidity.C
funcName=generateLFRapidity("${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonancelistgun_baryonic_inj.json", true, 1, false, false, "${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg", "")

[GeneratorPythia8] # if triggered then this will be used as the background event
config=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/pythia8_inel_136tev.cfg

[DecayerPythia8] # after for transport code!
config[0]=${O2DPG_MC_CONFIG_ROOT}/MC/config/common/pythia8/decayer/base.cfg
config[1]=${O2DPG_MC_CONFIG_ROOT}/MC/config/PWGLF/pythia8/generator/resonances_baryonic.cfg
Original file line number Diff line number Diff line change
@@ -0,0 +1,150 @@
int External()
{
std::string path{"o2sim_Kine.root"};
int numberOfInjectedSignalsPerEvent{1};
int numberOfGapEvents{4};
int numberOfEventsProcessed{0};
int numberOfEventsProcessedWithoutInjection{0};
std::vector<int> injectedPDGs = {
102134, // Lambda(1520)0
-102134, // Lambda(1520)0bar
3324, // Xi(1530)0
-3324, // Xi(1530)0bar
123314, // Xi(1820)-
-123314, // Xi(1820)+
123324, // Xi(1820)0
-123324 // Xi(1820)0bar
};
std::vector<std::vector<int>> decayDaughters = {
{2212, -321}, // Lambda(1520)0
{-2212, 321}, // Lambda(1520)0bar
{3312, 211}, // Xi(1530)0
{-3312, -211}, // Xi(1530)0bar
{3122, -321}, // Xi(1820)-
{-3122, 321}, // Xi(1820)+
{3122, 310}, // Xi(1820)0
{-3122, -310} // Xi(1820)0bar
};

auto nInjection = injectedPDGs.size();

TFile file(path.c_str(), "READ");
if (file.IsZombie())
{
std::cerr << "Cannot open ROOT file " << path << "\n";
return 1;
}

auto tree = (TTree *)file.Get("o2sim");
if (!tree)
{
std::cerr << "Cannot find tree o2sim in file " << path << "\n";
return 1;
}
std::vector<o2::MCTrack> *tracks{};
tree->SetBranchAddress("MCTrack", &tracks);

std::vector<int> nSignal;
for (int i = 0; i < nInjection; i++)
{
nSignal.push_back(0);
}
std::vector<std::vector<int>> nDecays;
std::vector<int> nNotDecayed;
for (int i = 0; i < nInjection; i++)
{
std::vector<int> nDecay;
for (int j = 0; j < decayDaughters[i].size(); j++)
{
nDecay.push_back(0);
}
nDecays.push_back(nDecay);
nNotDecayed.push_back(0);
}
auto nEvents = tree->GetEntries();
bool hasInjection = false;
for (int i = 0; i < nEvents; i++)
{
hasInjection = false;
numberOfEventsProcessed++;
auto check = tree->GetEntry(i);
for (int idxMCTrack = 0; idxMCTrack < tracks->size(); ++idxMCTrack)
{
auto track = tracks->at(idxMCTrack);
auto pdg = track.GetPdgCode();
auto it = std::find(injectedPDGs.begin(), injectedPDGs.end(), pdg);
int index = std::distance(injectedPDGs.begin(), it); // index of injected PDG
if (it != injectedPDGs.end()) // found
{
// count signal PDG
nSignal[index]++;
if (track.getFirstDaughterTrackId() < 0)
{
nNotDecayed[index]++;
continue;
}
for (int j{track.getFirstDaughterTrackId()}; j <= track.getLastDaughterTrackId(); ++j)
{
auto pdgDau = tracks->at(j).GetPdgCode();
bool foundDau = false;
// count decay PDGs
for (int idxDaughter = 0; idxDaughter < decayDaughters[index].size(); ++idxDaughter)
{
if (pdgDau == decayDaughters[index][idxDaughter])
{
nDecays[index][idxDaughter]++;
foundDau = true;
hasInjection = true;
break;
}
}
if (!foundDau)
{
std::cerr << "Decay daughter not found: " << pdg << " -> " << pdgDau << "\n";
}
}
}
}
if (!hasInjection)
{
numberOfEventsProcessedWithoutInjection++;
}
}
std::cout << "--------------------------------\n";
std::cout << "# Events: " << nEvents << "\n";
for (int i = 0; i < nInjection; i++)
{
std::cout << "# Mother \n";
std::cout << injectedPDGs[i] << " generated: " << nSignal[i] << ", " << nNotDecayed[i] << " did not decay\n";
if (nSignal[i] == 0)
{
std::cerr << "No generated: " << injectedPDGs[i] << "\n";
// return 1; // At least one of the injected particles should be generated
}
for (int j = 0; j < decayDaughters[i].size(); j++)
{
std::cout << "# Daughter " << decayDaughters[i][j] << ": " << nDecays[i][j] << "\n";
}
// if (nSignal[i] != nEvents * numberOfInjectedSignalsPerEvent)
// {
// std::cerr << "Number of generated: " << injectedPDGs[i] << ", lower than expected\n";
// // return 1; // Don't need to return 1, since the number of generated particles is not the same for each event
// }
}
std::cout << "--------------------------------\n";
std::cout << "Number of events processed: " << numberOfEventsProcessed << "\n";
std::cout << "Number of input for the gap events: " << numberOfGapEvents << "\n";
std::cout << "Number of events processed without injection: " << numberOfEventsProcessedWithoutInjection << "\n";
// injected event + numberOfGapEvents*gap events + injected event + numberOfGapEvents*gap events + ...
// total fraction of the gap event: numberOfEventsProcessedWithoutInjection/numberOfEventsProcessed
float ratioOfNormalEvents = numberOfEventsProcessedWithoutInjection / numberOfEventsProcessed;
if (ratioOfNormalEvents > 0.75)
{
std::cout << "The number of injected event is loo low!!" << std::endl;
return 1;
}

return 0;
}

void GeneratorLF_Resonances_pp1360_injection() { External(); }
Original file line number Diff line number Diff line change
@@ -0,0 +1,90 @@
{
"Lambda(1520)0" : {
"pdg": 102134,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"anti-Lambda(1520)0" : {
"pdg": -102134,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"Xi(1530)0" : {
"pdg": 3324,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"anti-Xi(1530)0" : {
"pdg": -3324,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"Xi(1820)0" : {
"pdg": 123324,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"Anti-Xi(1820)0" : {
"pdg": -123324,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"Xi(1820)-" : {
"pdg": 123314,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
},
"Xi(1820)+" : {
"pdg": -123314,
"n": 5,
"ptMin": 0.0,
"ptMax": 15,
"etaMin": -1.0,
"etaMax": 1.0,
"rapidityMin": -1.0,
"rapidityMax": 1.0,
"genDecayed": true
}
}
28 changes: 28 additions & 0 deletions MC/config/PWGLF/pythia8/generator/resonances_baryonic.cfg
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
### Define resonance
ProcessLevel:all = off # will not look for the 'process'

### Lambda1520
# id::all = name antiName spinType chargeType colType m0 mWidth mMin mMax tau0
102134:all = Lambda1520 Lambda1520bar 4 0 0 1.51950 0.01560 1.47 1.60 0
102134:oneChannel = 1 1.000 0 2212 -321
102134:onMode = off
102134:onIfMatch = 2212 -321

### Xi1530
# id::all = name antiName spinType chargeType colType m0 mWidth mMin mMax tau0
3324:all = Xi1530 Xi1530bar 4 0 0 1.53180 0.0091 1.50 1.59 0
3324:oneChannel = 1 1.000 0 3312 211
3324:onMode = off
3324:onIfMatch = 3312 211

### Xi1820
123324:all = Xi1820 Xi1820bar 4 0 0 1.823 0.024 1.75 1.95 0
123324:oneChannel = 1 1.000 0 3122 310
123324:onMode = off
123324:onIfMatch = 3122 310

123314:all = Xi1820Minus Xi1820Plus 4 -3 0 1.823 0.024 1.75 1.95 0
123314:oneChannel = 1 1.000 0 3122 -321
123314:onMode = off
123314:onIfMatch = 3122 -321