ParticleSampler Class Reference

#include <Samplers.h>

Collaboration diagram for ParticleSampler:

Public Member Functions
	~ParticleSampler ()
	ParticleSampler (Sampler *pid, MomSampler *mom, int n=1)
std::vector< SampledParticle >	shoot ()

Private Attributes
MomSampler *	m_mom
PosSampler	m_pos
Sampler *	m_pid
ConstSampler	m_n
bool	m_mass_override
std::map< unsigned int, float >	m_massdict

Detailed Description

Definition at line 758 of file Samplers.h.

Constructor & Destructor Documentation

~ParticleSampler()

ParticleSampler::~ParticleSampler ( )

inline

Definition at line 760 of file Samplers.h.

{};

ParticleSampler()

ParticleSampler::ParticleSampler ( Sampler *  pid, MomSampler *  mom, int  n = 1  )

inline

Definition at line 761 of file Samplers.h.

                                                            {
    m_pid = pid;
    m_mom=mom;
    m_n = ConstSampler(n);
    m_pos = PosSampler(0,0,0);
    // A default dictionary of particle masses (in MeV)
    m_massdict[22  ] =     0.0; // photon
    m_massdict[11  ] =     0.5; // electron
    m_massdict[12  ] =     0.0; // nu_e
    m_massdict[13  ] =   105.7; // muon
    m_massdict[14  ] =     0.0; // nu_mu
    m_massdict[15  ] =  1777.8; // tau
    m_massdict[16  ] =     0.0; // nu_tau
    m_massdict[2212] =   938.0; // proton
    m_massdict[2112] =   940.0; // neutron
    m_massdict[111 ] =   135.0; // pi0
    m_massdict[211 ] =   140.0; // pi+-
    m_massdict[221 ] =   547.0; // eta
    m_massdict[321 ] =   494.0; // K+-
    m_massdict[311 ] =   598.0; // K0
    m_mass_override = true;
  };

Member Function Documentation

shoot()

std::vector<SampledParticle> ParticleSampler::shoot ( )

inline

Definition at line 785 of file Samplers.h.

                                     {
    int numparticles = m_n.shoot();
    std::cout << "ParticleSampler throwing " << numparticles << " particles" << std::endl;
    std::vector<SampledParticle> rtn;
    for (int i=0; i<numparticles ; i++){
      //Sample the particle ID and create a particle
      int pid = m_pid->shoot();
      std::cout << "  shot pid=" << pid << std::endl;
      SampledParticle p = SampledParticle(pid);
      // Pass mass info to the v4 sampler and set same generated mass
      if (m_mass_override && m_massdict.find(abs(pid))!=m_massdict.end()){
    float m = m_massdict[abs(pid)];
    m_mom->m_mass = new ConstSampler(m);
    p.m_mass = m;
      }
      // Sample momentum and vertex positions into the particle
      p.m_mom = m_mom->shoot();
      p.m_pos = m_pos.shoot();
      std::cout << "  (" << p.m_mom.Eta() << ", " << p.m_mom.Phi() << ", " << p.m_mom.E() << ", " << p.m_mom.M() << ")" << std::endl;
      // Add particle to output list
      rtn.push_back(p);
    }
    return rtn;
  }

Member Data Documentation

m_mass_override

bool ParticleSampler::m_mass_override

private

Definition at line 814 of file Samplers.h.

m_massdict

std::map<unsigned int,float> ParticleSampler::m_massdict

private

Definition at line 815 of file Samplers.h.

m_mom

MomSampler* ParticleSampler::m_mom

private

Definition at line 810 of file Samplers.h.

m_n

ConstSampler ParticleSampler::m_n

private

Definition at line 813 of file Samplers.h.

m_pid

Sampler* ParticleSampler::m_pid

private

Definition at line 812 of file Samplers.h.

m_pos

PosSampler ParticleSampler::m_pos

private

Definition at line 811 of file Samplers.h.

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The documentation for this class was generated from the following file:

• Samplers.h