SimG4Core/CustomPhysics/src/CMSSQ.cc - master - githubmirror/cmssw

SimG4Core/CustomPhysics/src/CMSSQ.cc

42 строки2 KB

Shahzad Malik Muzaffar

[SIMULATION] Apply code checks/format

18 дек 2024, 10:30

18 дек 2024, 10:3030ec728


#include "SimG4Core/CustomPhysics/interface/CMSSQ.h"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"

#include "G4PhaseSpaceDecayChannel.hh"
#include "G4DecayTable.hh"

// ######################################################################
// ###                          SEXAQUARK                             ###
// ######################################################################

CMSSQ* CMSSQ::theInstance = nullptr;

CMSSQ* CMSSQ::Definition(double mass) {
  if (theInstance != nullptr)
    return theInstance;
  const G4String name = "sexaq";
  // search in particle table]
  G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
  if (anInstance == nullptr) {
    // create particle
    //
    //    Arguments for constructor are as follows
    //               name             mass          width         charge
    //             2*spin           parity  C-conjugation
    //          2*Isospin       2*Isospin3       G-parity
    //               type    lepton number  baryon number   PDG encoding
    //             stable         lifetime    decay table
    //             shortlived      subType    anti_encoding

    anInstance = new G4ParticleDefinition(
        name, mass, 0, 0.0, 0, +1, 0, 0, 0, 0, "baryon", 0, +2, 1020000020, true, -1.0, nullptr, false, "sexaq");
  }
  theInstance = reinterpret_cast<CMSSQ*>(anInstance);
  return theInstance;
}

CMSSQ* CMSSQ::SQ(double mass) {
  return Definition(mass * GeV);  // will use correct mass if instance exists
}