C++ (Cpp) Vec4D::Eta示例

示例#1

文件： Three_Particle_Observables.C 项目： ktf/sherpa

void Three_Particle_Correlation::
Evaluate(const Vec4D & mom1,const Vec4D & mom2,const Vec4D & mom3,double weight, double ncount)
{ 
  double eta1 = mom1.Eta();
  double eta2 = mom2.Eta();
  double eta3 = mom3.Eta();
  if (ATOOLS::dabs(eta1)>2. || ATOOLS::dabs(eta2)>2. || ATOOLS::dabs(eta3)>2.) return;
  double phi1 = mom1.Phi();
  double phi2 = mom2.Phi();
  double phi3 = mom3.Phi();

  double delta12 = ATOOLS::dabs(phi1-phi2); delta12 = ATOOLS::Min(delta12,2.*M_PI-delta12);
  double delta23 = ATOOLS::dabs(phi2-phi3); delta23 = ATOOLS::Min(delta23,2.*M_PI-delta23); 
  double delta31 = ATOOLS::dabs(phi3-phi1); delta31 = ATOOLS::Min(delta31,2.*M_PI-delta31); 

  if (ATOOLS::dabs(eta1-eta2)>2.) p_histo->Insert(delta12,weight,ncount);
  if (ATOOLS::dabs(eta2-eta3)>2.) p_histo->Insert(delta23,weight,ncount);
  if (ATOOLS::dabs(eta3-eta1)>2.) p_histo->Insert(delta31,weight,ncount);

  if (mom1.PPerp()>10. || mom2.PPerp()>10. || mom3.PPerp()>10.) {
    if (ATOOLS::dabs(eta1-eta2)>2.) p_histo10->Insert(delta12,weight,ncount);
    if (ATOOLS::dabs(eta2-eta3)>2.) p_histo10->Insert(delta23,weight,ncount);
    if (ATOOLS::dabs(eta3-eta1)>2.) p_histo10->Insert(delta31,weight,ncount);
  }

  if (mom1.PPerp()>20. || mom2.PPerp()>20. || mom3.PPerp()>20.) {
    if (ATOOLS::dabs(eta1-eta2)>2.) p_histo20->Insert(delta12,weight,ncount);
    if (ATOOLS::dabs(eta2-eta3)>2.) p_histo20->Insert(delta23,weight,ncount);
    if (ATOOLS::dabs(eta3-eta1)>2.) p_histo20->Insert(delta31,weight,ncount);
  }

  if (mom1.PPerp()>50. || mom2.PPerp()>50. || mom3.PPerp()>50.) {
    if (ATOOLS::dabs(eta1-eta2)>2.) p_histo50->Insert(delta12,weight,ncount);
    if (ATOOLS::dabs(eta2-eta3)>2.) p_histo50->Insert(delta23,weight,ncount);
    if (ATOOLS::dabs(eta3-eta1)>2.) p_histo50->Insert(delta31,weight,ncount);
  }

  if (mom1.PPerp()>100. || mom2.PPerp()>100. || mom3.PPerp()>100.) {
    if (ATOOLS::dabs(eta1-eta2)>2.) p_histo100->Insert(delta12,weight,ncount);
    if (ATOOLS::dabs(eta2-eta3)>2.) p_histo100->Insert(delta23,weight,ncount);
    if (ATOOLS::dabs(eta3-eta1)>2.) p_histo100->Insert(delta31,weight,ncount);
  }
} 

示例#2

文件： Scaled_Observables.C 项目： alisw/SHERPA

void EtaTracksAsym::Evaluate(const Vec4D & mom,double weight,double ncount) 
{
  
  double eta = 0.;
  eta=mom.Eta();
  
  if (eta<0.) {
    p_histo->Insert(-eta,-weight,ncount); 
  }
  else {
    p_histo->Insert(eta,weight,ncount); 
  }
} 

示例#3

文件： Ordering.C 项目： alisw/SHERPA

 static bool OrderV(const Vec4D &a,const Vec4D &b) 
 { return dabs(a.Eta())>dabs(b.Eta()); }

示例#4

文件： EV_SC_Observables.C 项目： alisw/SHERPA

double EV_SC_Eta::Calc(const Vec4D &mom)
{
  return mom.Eta();
}

示例#5

文件： Three_Particle_Observables.C 项目： ktf/sherpa

void Three_Particle_DEta::Evaluate(const Vec4D & mom1,const Vec4D & mom2,const Vec4D & mom3,double weight, double ncount) 
{    
  Vec4D mother = mom1+mom2;
  double deta = abs((mother.Eta()-mom3.Eta()));
  p_histo->Insert(deta,weight,ncount); 
}