[Trigger,PWGHF] Add inv mass parametrisation for charm hadrons for 2026 pp + small fix (#15526)

Co-authored-by: ALICE Action Bot <alibuild@cern.ch>

Author: fgrosa

EventFiltering/PWGHF/HFFilter.cxx

@@ -481,6 +481,9 @@ struct HfFilter { // Main struct for HF triggers
   {
     for (const auto& collision : collisions) {
 
+      // all processed collisions
+      hProcessedEvents->Fill(0);
+
       bool keepEvent[kNtriggersHF]{false};
       bool isSelectedTVX = evSel.applyTVX ? collision.selection_bit(o2::aod::evsel::kIsTriggerTVX) : true;
       bool isSelectedTFBorder = evSel.applyTFBorderCut ? collision.selection_bit(o2::aod::evsel::kNoTimeFrameBorder) : true;
@@ -527,8 +530,6 @@ struct HfFilter { // Main struct for HF triggers
         currentRun = bc.runNumber();
       }
 
-      hProcessedEvents->Fill(0);
-
       std::vector<std::vector<int64_t>> indicesDau2Prong{}, indicesDau2ProngPrompt{};
 
       auto cand2ProngsThisColl = cand2Prongs.sliceBy(hf2ProngPerCollision, thisCollId);

EventFiltering/PWGHF/HFFilterHelpers.h

@@ -640,6 +640,15 @@ class HfFilterHelper
       mSigmaPars3Prongs[1] = 0.00176f;
       mDeltaMassPars3Prongs[0] = -0.013f;
       mDeltaMassPars3Prongs[1] = 0.00029f;
+    } else if (recoPass == "2026_pass1") {
+      mSigmaPars2Prongs[0] = 0.01424f;
+      mSigmaPars2Prongs[1] = 0.00178f;
+      mDeltaMassPars2Prongs[0] = 0.004f;
+      mDeltaMassPars2Prongs[1] = 0.0001f;
+      mSigmaPars3Prongs[0] = 0.00796f;
+      mSigmaPars3Prongs[1] = 0.00176f;
+      mDeltaMassPars3Prongs[0] = 0.004f;
+      mDeltaMassPars3Prongs[1] = 0.0001f;
     } else {
       LOGP(fatal, "Mass resolution parametrisation {} not supported! Please set 2023_pass3", recoPass.data());
     }