KfpV0FinderConfig.h

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/* Copyright (C) 2025 GSI Helmholtzzentrum fuer Schwerionenforschung, Darmstadt
   SPDX-License-Identifier: GPL-3.0-only
   Authors: Sergei Zharko [committer] */
 
 
#pragma once
 
#include "yaml/Yaml.h"
 
#include <string>
#include <vector>
 
namespace cbm::algo::kfp
{
  struct CutsKfp {
    float minDecayLength;  
    float minDecayLDL;     
    float maxChi2NdfPrim;  
    float maxChi2NdfGeo;   
 
    CBM_YAML_PROPERTIES(
      yaml::Property(&CutsKfp::minDecayLength, "min_decay_length", "Minimal decay length of particles [cm]"),
      yaml::Property(&CutsKfp::minDecayLDL, "min_decay_ldl", "Minimal value of decay length to decay length error ratio"),
      yaml::Property(&CutsKfp::maxChi2NdfPrim, "max_chi2_ndf_prim", "Maximal chi2/NDF for primary particles"),
      yaml::Property(&CutsKfp::maxChi2NdfGeo, "max_chi2_ndf_geo", "Maximal chi2/NDF for V0 candidates"));
 
    std::string ToString() const;
  };
 
  struct ParticlePid {
    int pdg;             
    double minDca;       
    double minVelocity;  
    double maxVelocity;  
 
    CBM_YAML_PROPERTIES(
      yaml::Property(&ParticlePid::pdg, "pdg", "PDG code of the particle"),
      yaml::Property(&ParticlePid::minDca, "min_dca", "Minimal DCA to PV [cm]"),
      yaml::Property(&ParticlePid::minVelocity, "min_velocity", "Minimal velocity [cm/ns]"),
      yaml::Property(&ParticlePid::maxVelocity, "max_velocity", "Maximal velocity [cm/ns]"));
 
    std::string ToString() const;
  };
 
  struct Cuts {
    CutsKfp kfp;                         
    std::vector<ParticlePid> particles;  
 
    CBM_YAML_PROPERTIES(
      yaml::Property(&Cuts::kfp, "kfp", "Specific cuts for the KFParticleFinder"),
      yaml::Property(&Cuts::particles,  "particles", "Particle identification cuts and properties"));
 
    std::string ToString() const;
  };
 
  struct V0FinderConfig {
    Cuts cuts;                     
    uint32_t bmonAddress;  
    double tZeroOffset;            
    double qpAssignedUncertainty;  
    int primaryAssignedPdg;        
    int reconstructPdg;            
 
    CBM_YAML_PROPERTIES(
      yaml::Property(&V0FinderConfig::cuts, "cuts", "Different selection cuts"),
      yaml::Property(&V0FinderConfig::bmonAddress, "bmon_address", "Address of reference BMON diamond"),
      yaml::Property(&V0FinderConfig::tZeroOffset, "t0_offset", "The t0 offset [ns]"),
      yaml::Property(&V0FinderConfig::qpAssignedUncertainty, "qa_uncertainty", "Assigned relative uncertainty for q/p"),
      yaml::Property(&V0FinderConfig::primaryAssignedPdg, "primary_pdg", "Assigned PDG code for primary tracks"),
      yaml::Property(&V0FinderConfig::reconstructPdg, "reconstruct_pdg", "PDG code of the particle to be reconstructed"));
 
    std::string ToString() const;
  };
}  // namespace cbm::algo::kfp