Esempio n. 1
0
double Hadron_Remnant::MinimalEnergy(const ATOOLS::Flavour &flavour) 
{
  if (!m_initialized) {
    if (!flavour.Strong()) {
      return p_beam->Beam().HadMass();
    }
    bool found(false);
    kf_code di[3];
    if (flavour.IsQuark()) {
      short unsigned int j=0;
      for (Flavour_Vector::const_iterator flit(m_constit.begin());
	   flit!=m_constit.end();++flit) {
	if (found || flavour!=*flit) di[j++]=flit->Kfcode();
	else found=true;
      }
    }
    Flavour difl;
    if (!found || flavour.IsGluon()) {
      int single=-1;
      for (size_t i=0;i<m_constit.size();++i) {
	for (size_t j=i+1;j<m_constit.size();++j) {
	  if (m_constit[i]==m_constit[j]) { 
	    single=j; 
	    break; 
	  }
	}
	if (single>0) break;
      }
      Flavour fl(m_constit[single]);
      for (short unsigned int j=0, i=0;i<3;i++) 
	if (i!=single) di[j++]=m_constit[i].Kfcode();
      if (di[0]>di[1]) difl=Flavour((kf_code)(di[0]*1000+di[1]*100+1));
      else if (di[1]>di[0]) difl=Flavour((kf_code)(di[1]*1000+di[0]*100+1));
      else difl=Flavour((kf_code)(di[0]*1100+3));
      if (m_constit[single].IsAnti()) difl=difl.Bar();
      return difl.Mass()+fl.Mass()+flavour.Bar().Mass();
    }
    if (di[0]>di[1]) difl=Flavour((kf_code)(di[0]*1000+di[1]*100+1));
    else if (di[1]>di[0]) difl=Flavour((kf_code)(di[1]*1000+di[0]*100+1));
    else difl=Flavour((kf_code)(di[0]*1100+3));
    if (m_constit[0].IsAnti()) difl=difl.Bar();
    return difl.Mass();
  }
  else {
    if (flavour.IsQuark()) return flavour.Bar().Mass();
  }
  return 0.;
}
Esempio n. 2
0
Primitive_Observable_Base *GetObservable(const Argument_Matrix &parameters)
{									
  if (parameters.size()<1) return NULL;
  if (parameters.size()==1) {
    if (parameters[0].size()<5) return NULL;
    int kf=ATOOLS::ToType<int>(parameters[0][0]);
    ATOOLS::Flavour flavour((kf_code)abs(kf));
    if (kf<0) flavour=flavour.Bar();
    std::string list=parameters[0].size()>5?parameters[0][5]:finalstate_list;
    return new Class(flavour,HistogramType(parameters[0][4]),
		     ATOOLS::ToType<double>(parameters[0][1]),
		     ATOOLS::ToType<double>(parameters[0][2]),
		     ATOOLS::ToType<int>(parameters[0][3]),list);
  }
  else if (parameters.size()<5) return NULL;
  double min=0.0, max=1.0;
  size_t bins=100;
  std::string list=finalstate_list, scale="Lin";
  ATOOLS::Flavour flavour;
  for (size_t i=0;i<parameters.size();++i) {
    if (parameters[i].size()<2) continue;
    if (parameters[i][0]=="FLAV") {
      int kf=ATOOLS::ToType<int>(parameters[i][1]);
      flavour=ATOOLS::Flavour((kf_code)abs(kf));
      if (kf<0) flavour=flavour.Bar();
    }
    else if (parameters[i][0]=="MIN") min=ATOOLS::ToType<double>(parameters[i][1]);
    else if (parameters[i][0]=="MAX") max=ATOOLS::ToType<double>(parameters[i][1]);
    else if (parameters[i][0]=="BINS") bins=ATOOLS::ToType<int>(parameters[i][1]);
    else if (parameters[i][0]=="SCALE") scale=parameters[i][1];
    else if (parameters[i][0]=="LIST") list=parameters[i][1];
  }
  return new Class(flavour,HistogramType(scale),min,max,bins,list);
}