G4eeCrossSections Class Reference

#include <G4eeCrossSections.hh>

Public Member Functions
	G4eeCrossSections ()
virtual	~G4eeCrossSections ()
G4double	CrossSection2pi (G4double)
G4double	CrossSection3pi (G4double)
G4double	CrossSectionPi0G (G4double)
G4double	CrossSectionEtaG (G4double)
G4double	CrossSection2Kcharged (G4double)
G4double	CrossSection2Kneutral (G4double)
std::complex< G4double >	DpRho (G4double e)

Detailed Description

Definition at line 58 of file G4eeCrossSections.hh.

Constructor & Destructor Documentation

G4eeCrossSections::G4eeCrossSections

(

)

Definition at line 68 of file G4eeCrossSections.cc.

{
  Initialise();
}

G4eeCrossSections::~G4eeCrossSections ( )

virtual

Definition at line 75 of file G4eeCrossSections.cc.

{}

Member Function Documentation

G4double G4eeCrossSections::CrossSection2Kcharged

(

G4double

e

)

Definition at line 277 of file G4eeCrossSections.cc.

{ 
  G4double s_inv = e*e;
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
    sqrt(Width2p(s_inv,MsPhi,GPhi,BrPhi2Kc,MsKc)*MsPhi3*BrPhiEe*GPhi)/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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G4double G4eeCrossSections::CrossSection2Kneutral

(

G4double

e

)

Definition at line 292 of file G4eeCrossSections.cc.

{ 
  G4double s_inv = e*e;
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
    sqrt(Width2p(s_inv,MsPhi,GPhi,BrPhiKsKl,MsKs)*MsPhi3*BrPhiEe*GPhi)/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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G4double G4eeCrossSections::CrossSection2pi

(

G4double

e

)

Definition at line 193 of file G4eeCrossSections.cc.

{ 
  complex<G4double> xr(cos(PhRho),sin(PhRho));
  complex<G4double> xo(cos(PhOm2Pi),sin(PhOm2Pi));
  complex<G4double> xf(cos(PhPhi2Pi),sin(PhPhi2Pi));

  G4double s_inv = e*e;
  complex<G4double> drho = DpRho(e);
  complex<G4double> dom  = DpOm(e);
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
      sqrt(Width2p(s_inv,MsRho,GRho,1.0,MsPi)*MsRho3*BrRhoEe*GRho)*xr/drho
    + sqrt(Width2p(s_inv,MsOm,GOm,BrOm2Pi,MsPi)*MsOm3*BrOmEe*GOm)*xo/dom
    + sqrt(Width2p(s_inv,MsPhi,GPhi,BrPhi2Pi,MsPi)*MsPhi3*BrPhiEe*GPhi)*xf/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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G4double G4eeCrossSections::CrossSection3pi

(

G4double

e

)

Definition at line 216 of file G4eeCrossSections.cc.

{ 
  complex<G4double> xf(cos(PhPhi2Pi),sin(PhPhi));

  G4double s_inv = e*e;
  complex<G4double> dom  = DpOm(e);
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
    sqrt(Width3p(s_inv,MsOm,GOm,BrOm3Pi)*MsOm3*BrOmEe*GOm)/dom
    + sqrt(Width3p(s_inv,MsPhi,GPhi,BrPhi3Pi)*MsPhi3*BrPhiEe*GPhi)*xf/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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G4double G4eeCrossSections::CrossSectionEtaG

(

G4double

e

)

Definition at line 256 of file G4eeCrossSections.cc.

{ 
  complex<G4double> xf(cos(PhPhi),sin(PhPhi));

  G4double s_inv = e*e;
  complex<G4double> drho = DpRho(e);
  complex<G4double> dom  = DpOm(e);
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
      sqrt(WidthPg(s_inv,MsRho,GRho,BrRhoEtaG,MsEta)*MsRho3*BrRhoEe*GRho)/drho
    + sqrt(WidthPg(s_inv,MsOm,GOm,BrOmEtaG,MsEta)*MsOm3*BrOmEe*GOm)/dom
    + sqrt(WidthPg(s_inv,MsPhi,GPhi,BrPhiEtaG,MsEta)*MsPhi3*BrPhiEe*GPhi)*xf/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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G4double G4eeCrossSections::CrossSectionPi0G

(

G4double

e

)

Definition at line 235 of file G4eeCrossSections.cc.

{ 
  complex<G4double> xf(cos(PhPhi),sin(PhPhi));

  G4double s_inv = e*e;
  complex<G4double> drho = DpRho(e);
  complex<G4double> dom  = DpOm(e);
  complex<G4double> dphi = DpPhi(e);

  complex<G4double> amp = 
      sqrt(WidthPg(s_inv,MsRho,GRho,BrRhoPi0G,MsPi0)*MsRho3*BrRhoEe*GRho)/drho
    + sqrt(WidthPg(s_inv,MsOm,GOm,BrOmPi0G,MsPi0)*MsOm3*BrOmEe*GOm)/dom
    + sqrt(WidthPg(s_inv,MsPhi,GPhi,BrPhiPi0G,MsPi0)*MsPhi3*BrPhiEe*GPhi)*xf/dphi;

  G4double cross = 12.0*pi*MeVnb*norm(amp)/(e*s_inv);

  return cross;
}

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complex< G4double > G4eeCrossSections::DpRho

(

G4double

e

)

Definition at line 394 of file G4eeCrossSections.cc.

{
  complex<G4double> d(MsRho*MsRho - e*e, -e*WidthRho(e));
  return d;
}

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

• geant4.10.03.p01/source/processes/electromagnetic/highenergy/include/G4eeCrossSections.hh
• geant4.10.03.p01/source/processes/electromagnetic/highenergy/src/G4eeCrossSections.cc