G4GammaAnnCrossSection Class Reference

#include <G4GammaAnnCrossSection.hh>

Inheritance diagram for G4GammaAnnCrossSection:

Public Member Functions
	G4GammaAnnCrossSection ()
G4bool	InCharge (G4int aCode, G4int bCode)
G4double	GetXsec (G4double S)
virtual	~G4GammaAnnCrossSection ()

Detailed Description

Definition at line 34 of file G4GammaAnnCrossSection.hh.

Constructor & Destructor Documentation

G4GammaAnnCrossSection::G4GammaAnnCrossSection

(

)

Definition at line 30 of file G4GammaAnnCrossSection.cc.

{
    // pho0 Nucleon
    theGammaNucXSections.push_back(new G4ASCCrossSection(113,  2212, 13.7, 35.9, 0.45, 0.079));
    // omega0 Nucleon
    theGammaNucXSections.push_back(new G4ASCCrossSection(223,  2212, 13.7, 35.9, 0.45, 0.079));
    // phi0 Nucleon
    theGammaNucXSections.push_back(new G4ASCCrossSection(333,  2212, 12.2, 26.4, 0.50, 0.079));
}

virtual G4GammaAnnCrossSection::~G4GammaAnnCrossSection ( )

inlinevirtual

Definition at line 40 of file G4GammaAnnCrossSection.hh.

{}

Member Function Documentation

G4double G4GammaAnnCrossSection::GetXsec ( G4double  S )

virtual

Implements G4VAnnihilationCrossSection.

Definition at line 56 of file G4GammaAnnCrossSection.cc.

{
    G4double result = 0;
    // ratios from Phys.Lett.B40:121-126,1972; 22% assigned to higher resonances

    typedef std::vector<G4ASCCrossSection*>::iterator iter;
    iter i;
    for(i=theGammaNucXSections.begin(); i!=theGammaNucXSections.end(); i++)
    {
        result += (*i)->GetXsec(S);
    }

    // Account for higher resonances.
    result /= 0.78;

    return result;
}

G4bool G4GammaAnnCrossSection::InCharge ( G4int  aCode, G4int  bCode  )

virtual

Implements G4VAnnihilationCrossSection.

Definition at line 41 of file G4GammaAnnCrossSection.cc.

References G4Gamma::Gamma().

{
    G4bool result = false;
    if(aCode==G4Gamma::Gamma()->GetPDGEncoding())
    {
        result=true;
    }
    else if(bCode==G4Gamma::Gamma()->GetPDGEncoding())
    {
        result = true;
    }
    return result;
}    

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

• G4GammaAnnCrossSection.hh
• G4GammaAnnCrossSection.cc