[PWGHF] Remove the DCA cut on tracks only used to find leading particle (#10675)

Author: 1481014945

PWGHF/HFC/TableProducer/correlatorD0Hadrons.cxx

@@ -329,7 +329,7 @@ struct HfCorrelatorD0Hadrons {
   {
     // find leading particle
     if (correlateD0WithLeadingParticle) {
-      leadingIndex = findLeadingParticle(tracks, dcaXYTrackMax.value, dcaZTrackMax.value, etaTrackMax.value);
+      leadingIndex = findLeadingParticle(tracks, etaTrackMax.value);
     }
 
     int poolBin = corrBinning.getBin(std::make_tuple(collision.posZ(), collision.multFT0M()));
@@ -485,7 +485,7 @@ struct HfCorrelatorD0Hadrons {
   {
     // find leading particle
     if (correlateD0WithLeadingParticle) {
-      leadingIndex = findLeadingParticle(tracks, dcaXYTrackMax.value, dcaZTrackMax.value, etaTrackMax.value);
+      leadingIndex = findLeadingParticle(tracks, etaTrackMax.value);
     }
     int poolBin = corrBinning.getBin(std::make_tuple(collision.posZ(), collision.multFT0M()));
     registry.fill(HIST("hCollisionPoolBin"), poolBin);

PWGHF/HFC/TableProducer/correlatorLcHadrons.cxx

@@ -342,7 +342,7 @@ struct HfCorrelatorLcHadrons {
 
     // find leading particle
     if (correlateLcWithLeadingParticle) {
-      leadingIndex = findLeadingParticle(tracks, dcaXYTrackMax.value, dcaZTrackMax.value, etaTrackMax.value);
+      leadingIndex = findLeadingParticle(tracks, etaTrackMax.value);
     }
     auto bc = collision.bc_as<aod::BCsWithTimestamps>();
     int gCollisionId = collision.globalIndex();
@@ -490,7 +490,7 @@ struct HfCorrelatorLcHadrons {
 
     // find leading particle
     if (correlateLcWithLeadingParticle) {
-      leadingIndex = findLeadingParticle(tracks, dcaXYTrackMax.value, dcaZTrackMax.value, etaTrackMax.value);
+      leadingIndex = findLeadingParticle(tracks, etaTrackMax.value);
     }
 
     int poolBin = corrBinning.getBin(std::make_tuple(collision.posZ(), collision.multFT0M()));

PWGHF/HFC/Utils/utilsCorrelations.h

@@ -113,14 +113,11 @@ bool passPIDSelection(Atrack const& track, SpeciesContainer const mPIDspecies,
 }
 
 // ========= Find Leading Particle ==============
-template <typename TTracks, typename T1, typename T2, typename T3>
-int findLeadingParticle(TTracks const& tracks, T1 const dcaXYTrackMax, T2 const dcaZTrackMax, T3 const etaTrackMax)
+template <typename TTracks, typename T1> //// FIXME: 14 days
+int findLeadingParticle(TTracks const& tracks, T1 const etaTrackMax)
 {
   auto leadingParticle = tracks.begin();
   for (auto const& track : tracks) {
-    if (std::abs(track.dcaXY()) >= dcaXYTrackMax || std::abs(track.dcaZ()) >= dcaZTrackMax) {
-      continue;
-    }
     if (std::abs(track.eta()) > etaTrackMax) {
       continue;
     }