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C++ TLorentzVector::Beta方法代码示例

本文整理汇总了C++中TLorentzVector::Beta方法的典型用法代码示例。如果您正苦于以下问题:C++ TLorentzVector::Beta方法的具体用法?C++ TLorentzVector::Beta怎么用?C++ TLorentzVector::Beta使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在TLorentzVector的用法示例。


在下文中一共展示了TLorentzVector::Beta方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1:

Path::Path(const TLorentzVector& p4, const TVector3& origin, double field)
    : m_unitDirection(p4.Vect().Unit()),
      m_speed(p4.Beta() * gconstc),
      m_origin(origin.X(), origin.Y(), origin.Z()),
      m_field(field) {
  m_points[papas::Position::kVertex] = m_origin;
}
开发者ID:alicerobson,项目名称:papas_cc,代码行数:7,代码来源:Path.cpp

示例2: fill

void fill(int const kf, TLorentzVector* b, double weight, TLorentzVector const& p1Mom, TLorentzVector const& p2Mom, TVector3 v00)
{
   int const centrality = floor(nCent * gRandom->Rndm());

   TVector3 const vertex = getVertex(centrality);
   // smear primary vertex
   // float const sigmaVertex = sigmaVertexCent[cent];
   // TVector3 const vertex(gRandom->Gaus(0, sigmaVertex), gRandom->Gaus(0, sigmaVertex), gRandom->Gaus(0, sigmaVertex));

   v00 += vertex;

   // smear momentum
   TLorentzVector const p1RMom = smearMom(0, p1Mom);
   TLorentzVector const p2RMom = smearMom(0, p2Mom);

   // smear position
   TVector3 const p1RPos = smearPosData(0, vertex.z(), centrality, p1RMom, v00);
   TVector3 const p2RPos = smearPosData(0, vertex.z(), centrality, p2RMom, v00);
   // TVector3 const kRPos = smearPos(kMom, kRMom, v00);
   // TVector3 const pRPos = smearPos(pMom, pRMom, v00);

   // reconstruct
   TLorentzVector const rMom = p1RMom + p2RMom;
   float const p1Dca = dca(p1Mom.Vect(), v00, vertex);
   float const p2Dca = dca(p2Mom.Vect(), v00, vertex);
   float const p1RDca = dca(p1RMom.Vect(), p1RPos, vertex);
   float const p2RDca = dca(p2RMom.Vect(), p2RPos, vertex);

   TVector3 v0;
   float const dca12 = dca1To2(p1RMom.Vect(), p1RPos, p2RMom.Vect(), p2RPos, v0);
   float const decayLength = (v0 - vertex).Mag();
   float const dcaD0ToPv = dca(rMom.Vect(), v0, vertex);
   float const cosTheta = (v0 - vertex).Unit().Dot(rMom.Vect().Unit());
   float const angle12 = p1RMom.Vect().Angle(p2RMom.Vect());

   TLorentzVector p1RMomRest = p1RMom;
   TVector3 beta;
   beta.SetMagThetaPhi(rMom.Beta(), rMom.Theta(), rMom.Phi());
   p1RMomRest.Boost(-beta);
   float const cosThetaStar = rMom.Vect().Unit().Dot(p1RMomRest.Vect().Unit());

   // save
   float arr[100];
   int iArr = 0;
   arr[iArr++] = centrality;
   arr[iArr++] = vertex.X();
   arr[iArr++] = vertex.Y();
   arr[iArr++] = vertex.Z();

   arr[iArr++] = kf;
   arr[iArr++] = b->M();
   arr[iArr++] = b->Perp();
   arr[iArr++] = b->PseudoRapidity();
   arr[iArr++] = b->Rapidity();
   arr[iArr++] = b->Phi();
   arr[iArr++] = v00.X();
   arr[iArr++] = v00.Y();
   arr[iArr++] = v00.Z();

   arr[iArr++] = rMom.M();
   arr[iArr++] = rMom.Perp();
   arr[iArr++] = rMom.PseudoRapidity();
   arr[iArr++] = rMom.Rapidity();
   arr[iArr++] = rMom.Phi();
   arr[iArr++] = v0.X();
   arr[iArr++] = v0.Y();
   arr[iArr++] = v0.Z();

   arr[iArr++] = dca12;
   arr[iArr++] = decayLength;
   arr[iArr++] = dcaD0ToPv;
   arr[iArr++] = cosTheta;
   arr[iArr++] = angle12;
   arr[iArr++] = cosThetaStar;

   arr[iArr++] = p1Mom.M();
   arr[iArr++] = p1Mom.Perp();
   arr[iArr++] = p1Mom.PseudoRapidity();
   arr[iArr++] = p1Mom.Rapidity();
   arr[iArr++] = p1Mom.Phi();
   arr[iArr++] = p1Dca;

   arr[iArr++] = p1RMom.M();
   arr[iArr++] = p1RMom.Perp();
   arr[iArr++] = p1RMom.PseudoRapidity();
   arr[iArr++] = p1RMom.Rapidity();
   arr[iArr++] = p1RMom.Phi();
   arr[iArr++] = p1RPos.X();
   arr[iArr++] = p1RPos.Y();
   arr[iArr++] = p1RPos.Z();
   arr[iArr++] = p1RDca;
   arr[iArr++] = tpcReconstructed(0,1,centrality,p1RMom);

   arr[iArr++] = p2Mom.M();
   arr[iArr++] = p2Mom.Perp();
   arr[iArr++] = p2Mom.PseudoRapidity();
   arr[iArr++] = p2Mom.Rapidity();
   arr[iArr++] = p2Mom.Phi();
   arr[iArr++] = p2Dca;

//.........这里部分代码省略.........
开发者ID:amcw7777,项目名称:auau200GeVRun14Ana,代码行数:101,代码来源:toyMcEffKS.C

示例3: magBetaSystem

inline float kinematics::magBetaSystem( TLorentzVector* pa, TLorentzVector* pb )
{
	TLorentzVector pTmp = (*pa)+(*pb);
	return pTmp.Beta();
}
开发者ID:noamhod,项目名称:KK.7TeV,代码行数:5,代码来源:kinematics.C


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