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[PWGLF] Fix issues in double-strange hypernuclei reconstruction #9375

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[PWGLF] Fix issues in double-strange hypernuclei reconstruction #9375

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a52e85a
Fix issues in double-strange hypernuclei reconstruction
mhartung71 Jan 17, 2025
c5fa9c9
Fix issues in double-strange hypernuclei reconstruction
mhartung71 Jan 17, 2025
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40 changes: 26 additions & 14 deletions PWGLF/TableProducer/Nuspex/hypKfRecoTask.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -231,6 +231,7 @@ struct HyperNucCandidate {
HyperNucCandidate* hypNucDaughter;
std::vector<DaughterKf*> daughters;
std::vector<float> recoSV;
std::vector<std::vector<float>> daughterPosMoms;
float mass, px, py, pz;
float devToPvXY, dcaToPvXY, dcaToPvZ, dcaToVtxXY, dcaToVtxZ, chi2;
bool mcTrue, isPhysPrimary, isPrimaryCandidate, isSecondaryCandidate, isUsedSecondary;
Expand Down Expand Up @@ -274,13 +275,15 @@ struct HyperNucCandidate {
return kfp.GetQ() / std::abs(kfp.GetQ());
}
int getNdaughters() { return static_cast<int>(daughters.size()); }
float getDcaTracks() { return getNdaughters() == 2 ? getDcaTracks2() : getMaxDcaToSv(); }
float getDcaTracks2() { return daughters.at(0)->daughterKfp.GetDistanceFromParticleXY(daughters.at(1)->daughterKfp); }
float getMaxDcaToSv()
float getDcaTracks()
{
if (!daughterPosMoms.size())
setDaughterPosMoms();
float maxDca = std::numeric_limits<float>::lowest();
for (size_t i = 0; i < daughters.size(); i++) {
float dca = daughters.at(i)->daughterKfp.GetDistanceFromVertexXY(&recoSV[0]);
float dx = daughterPosMoms.at(i).at(0) - recoSV[0];
float dy = daughterPosMoms.at(i).at(1) - recoSV[1];
const float dca = std::sqrt(dx * dx + dy * dy);
if (dca > maxDca)
maxDca = dca;
}
Expand All @@ -289,9 +292,7 @@ struct HyperNucCandidate {
float getDcaMotherToVertex(std::vector<float> vtx) { return kfp.GetDistanceFromVertex(&vtx[0]); }
double getCpa(std::vector<float> vtx)
{
kfp.TransportToDecayVertex();
return RecoDecay::cpa(std::array{vtx[0], vtx[1], vtx[2]}, std::array{recoSV[0], recoSV[1], recoSV[2]}, std::array{px, py, pz});
;
}
float getCt(std::vector<float> vtx)
{
Expand All @@ -302,11 +303,19 @@ struct HyperNucCandidate {
}
return std::sqrt(dl) * mass / std::sqrt(px * px + py * py + pz * pz);
}
void getDaughterPosMom(int daughter, std::vector<float>& posMom)
void setDaughterPosMoms()
{
for (size_t i = 0; i < daughters.size(); i++) {
daughterPosMoms.push_back(getDaughterPosMom(i));
}
}
std::vector<float> getDaughterPosMom(int daughter)
{
std::vector<float> posMom;
auto kfpDaughter = daughters.at(daughter)->daughterKfp;
kfpDaughter.TransportToPoint(&recoSV[0]);
posMom.assign({kfpDaughter.GetX(), kfpDaughter.GetY(), kfpDaughter.GetZ(), kfpDaughter.GetPx(), kfpDaughter.GetPy(), kfpDaughter.GetPz()});
return posMom;
}
float getDcaMotherToVtxXY(std::vector<float> vtx) { return kfp.GetDistanceFromVertexXY(&vtx[0]); }
float getDcaMotherToVtxZ(std::vector<float> vtx)
Expand Down Expand Up @@ -720,11 +729,11 @@ struct HypKfRecoTask {
const float maxDcaTracksCas = cfgPreSelectionsCascades->get(hyperNucIter, "maxDcaTracks");
const float maxDcaMotherToPvXYCas = cfgPreSelectionsCascades->get(hyperNucIter, "maxDcaMotherToPvXY");
const float maxDcaMotherToPvZCas = cfgPreSelectionsCascades->get(hyperNucIter, "maxDcaMotherToPvZ");
const float minCtSec = cfgPreSelectionsSecondaries->get(hyperNucIter, "minCt");
const float maxCtSec = cfgPreSelectionsSecondaries->get(hyperNucIter, "maxCt");
const float minCosPaSvSec = cfgPreSelectionsSecondaries->get(hyperNucIter, "minCosPaSv");
const float maxDcaMotherToSvXYSec = cfgPreSelectionsSecondaries->get(hyperNucIter, "maxDcaMotherToSvXY");
const float maxDcaMotherToSvZSec = cfgPreSelectionsSecondaries->get(hyperNucIter, "maxDcaMotherToSvZ");
const float minCtSec = cfgPreSelectionsSecondaries->get(hyperNuc->daughters.at(0), "minCt");
const float maxCtSec = cfgPreSelectionsSecondaries->get(hyperNuc->daughters.at(0), "maxCt");
const float minCosPaSvSec = cfgPreSelectionsSecondaries->get(hyperNuc->daughters.at(0), "minCosPaSv");
const float maxDcaMotherToSvXYSec = cfgPreSelectionsSecondaries->get(hyperNuc->daughters.at(0), "maxDcaMotherToSvXY");
const float maxDcaMotherToSvZSec = cfgPreSelectionsSecondaries->get(hyperNuc->daughters.at(0), "maxDcaMotherToSvZ");

while (it[0] != hypNucDaughterKfs.at(hyperNucIter).end()) {
// select hypernuclei daughter KFParticle
Expand Down Expand Up @@ -803,6 +812,8 @@ struct HypKfRecoTask {
daughterCount++;
}
for (const auto& daughter : hypCand.daughters) {
if (daughter->daughterTrackId < 0)
continue;
const auto& mcLab = trackLabels.rawIteratorAt(daughter->daughterTrackId);
if (!mcLab.has_mcParticle())
continue;
Expand Down Expand Up @@ -866,6 +877,8 @@ struct HypKfRecoTask {
int daughterCount = 0;
for (const auto& daughter : hypCand.daughters) {
const auto& daughterTrackId = daughter->daughterTrackId;
if (daughterTrackId < 0)
continue;
int trackTableId;
if (!trackIndices.getIndex(daughterTrackId, trackTableId)) {
auto daught = hyperNuc->daughters.at(daughterCount);
Expand All @@ -888,8 +901,7 @@ struct HypKfRecoTask {
daughterCount++;
}
for (int i = 0; i < hypCand.getNdaughters(); i++) {
std::vector<float> posMom;
hypCand.getDaughterPosMom(i, posMom);
std::vector<float>& posMom = hypCand.daughterPosMoms.at(i);
outputDaughterAddonTable(
posMom.at(0), posMom.at(1), posMom.at(2), posMom.at(3), posMom.at(4), posMom.at(5));
vecAddons.push_back(outputDaughterAddonTable.lastIndex());
Expand Down
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