CosmicGun Class Reference

#include <CosmicGun.h>

Collaboration diagram for CosmicGun:

Public Member Functions
CLHEP::HepLorentzVector	GenerateEvent (void)
CLHEP::HepLorentzVector	GenerateVertex (void)
void	SetEnergyRange (float emin, float emax)
void	SetCosCut (float ctcut)
void	PrintLevel (int printevt, int printmod)
int	GetMuonCharge (void)
float	InitializeGenerator ()

Static Public Member Functions
static CosmicGun *	GetCosmicGun (void)

Private Member Functions
	CosmicGun (void)

Private Attributes
int	m_event
int	m_printevt
int	m_printmod
float	m_emin
float	m_emax
float	m_coscut

Static Private Attributes
static CosmicGun *	s_mpointer = 0

Detailed Description

Definition at line 10 of file CosmicGun.h.

Constructor & Destructor Documentation

CosmicGun()

CosmicGun::CosmicGun ( void  )

private

Definition at line 64 of file CosmicGun.cxx.

                        {
  m_event    = 0;
  m_emin     = 50;
  m_emax     = 500;
  m_coscut   = 0.35;
  m_printevt = 20;
  m_printmod = 50;
 
  coscut_.ctcut = m_coscut;
  genpar_.LEMIN = std::log10(m_emin);
  genpar_.LEMAX = std::log10(m_emax);
  genpar_.NBIN  = 100;
  genpar_.LBINWID = (genpar_.LEMAX-genpar_.LEMIN)/genpar_.NBIN;
 
  // cosipr_();
  // cosgin_();
 
}

Member Function Documentation

GenerateEvent()

CLHEP::HepLorentzVector CosmicGun::GenerateEvent

(

void

)

Definition at line 113 of file CosmicGun.cxx.

                                                  {
  int iacc = 0;
 
  while(iacc == 0){
    cosgen_(&m_emin, &m_emax, &iacc);
  }
  m_event++;
  
  float sinth = std::sqrt( 1-std::pow(cosevt_.COSTH,2) );
  float e  = cosevt_.ENER;
  float px = cosevt_.ENER * sinth * std::sin( cosevt_.PHI);
  float py = cosevt_.ENER * sinth * std::cos( cosevt_.PHI);
  float pz = cosevt_.ENER * cosevt_.COSTH;
  CLHEP::HepLorentzVector p(px,py,pz,e);
 
//   if(m_event < m_printevt || m_event%m_printmod == 0)
//     {
//          std::cout << "CosmicGun::GenerateEvent: " << std::setw(4) << m_event 
//            << " muon charge " << std::setw(2) << cosevt_.CHRG << " with momentum : " << p << std::endl;
//     }
 
  return p;
}

GenerateVertex()

CLHEP::HepLorentzVector CosmicGun::GenerateVertex

(

void

)

GetCosmicGun()

CosmicGun * CosmicGun::GetCosmicGun ( void  )

static

Definition at line 53 of file CosmicGun.cxx.

                                      {
  if(!s_mpointer) s_mpointer = new CosmicGun();
  return s_mpointer;
}

GetMuonCharge()

int CosmicGun::GetMuonCharge

(

void

)

Definition at line 137 of file CosmicGun.cxx.

                                {
  return (int)cosevt_.CHRG;
}

InitializeGenerator()

float CosmicGun::InitializeGenerator

(

)

Definition at line 85 of file CosmicGun.cxx.

                                      {
  std::cout << " CosmicGun::InitializeGenerator: E(min,max)=(" << m_emin << "," << m_emax
            << ") GeV, and cos(ThetaCut)="<< m_coscut << std::endl;
  cosipr_();
  cosgin_();
  cosmic2_();
  return flxout_.FLUX2;
}

PrintLevel()

void CosmicGun::PrintLevel	(	int	printevt,
		int	printmod
	)

Definition at line 94 of file CosmicGun.cxx.

                                                   {
  if (printevt >= 0)
    {
      m_printevt = printevt;
    }
  else
    {
      std::cerr << "CosmicGun::PrintLevel - warning ignored input printevt = " << printevt << std::endl; 
    }
  if (printmod >= 1)
    {
      m_printmod = printmod;
    }
  else
    {
      std::cerr << "CosmicGun::PrintLevel - warning ignored input printmod = " << printmod << std::endl; 
    }
}

SetCosCut()

void CosmicGun::SetCosCut

(

float

ctcut

)

Definition at line 157 of file CosmicGun.cxx.

                                    {
  m_coscut = ctcut;
 
  coscut_.ctcut = m_coscut;
}

SetEnergyRange()

void CosmicGun::SetEnergyRange	(	float	emin,
		float	emax
	)

Definition at line 141 of file CosmicGun.cxx.

                                                    {
  if(emin >= emax || emin < 0 )
    {
      std::cout << "Error input energy range : (" << emin << " - " << emax << ") - ignored " << std::endl;
      return;
    }
  m_emin = emin;
  m_emax = emax;
 
  genpar_.LEMIN = std::log10(m_emin);
  genpar_.LEMAX = std::log10(m_emax);
  genpar_.NBIN  = 100;
  genpar_.LBINWID = (genpar_.LEMAX-genpar_.LEMIN)/genpar_.NBIN;
 
}

Member Data Documentation

m_coscut

float CosmicGun::m_coscut

private

Definition at line 27 of file CosmicGun.h.

m_emax

float CosmicGun::m_emax

private

Definition at line 26 of file CosmicGun.h.

m_emin

float CosmicGun::m_emin

private

Definition at line 26 of file CosmicGun.h.

m_event

int CosmicGun::m_event

private

Definition at line 24 of file CosmicGun.h.

m_printevt

int CosmicGun::m_printevt

private

Definition at line 25 of file CosmicGun.h.

m_printmod

int CosmicGun::m_printmod

private

Definition at line 25 of file CosmicGun.h.

s_mpointer

CosmicGun * CosmicGun::s_mpointer = 0

staticprivate

Definition at line 22 of file CosmicGun.h.

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

• CosmicGun.h
• CosmicGun.cxx