G4XpipNTotal Class Reference

#include <G4XpipNTotal.hh>

Inheritance diagram for G4XpipNTotal:

G4VCrossSectionSource

Public Member Functions

 G4XpipNTotal ()
virtual ~G4XpipNTotal ()
virtual G4double CrossSection (const G4KineticTrack &trk1, const G4KineticTrack &trk2) const
virtual const G4CrossSectionVectorGetComponents () const
virtual G4String Name () const

Detailed Description

Definition at line 35 of file G4XpipNTotal.hh.


Constructor & Destructor Documentation

G4XpipNTotal::G4XpipNTotal (  ) 

Definition at line 32 of file G4XpipNTotal.cc.

00033  {
00034    std::pair<double,double> it;
00035    it.first=1105.46; it.second= 6.4;  theLowEData.push_back(it);
00036    it.first=1133.28; it.second= 18.0; theLowEData.push_back(it);
00037    it.first=1165.12; it.second= 66.0; theLowEData.push_back(it);
00038    it.first=1198.8;  it.second= 160.; theLowEData.push_back(it);
00039    it.first=1212.51; it.second= 199.; theLowEData.push_back(it);
00040    it.first=1233.18; it.second= 195.; theLowEData.push_back(it);
00041    it.first=1301.86; it.second= 73.8; theLowEData.push_back(it);
00042    it.first=1368.93; it.second= 35.0; theLowEData.push_back(it);
00043    it.first=1433.81; it.second= 22.0; theLowEData.push_back(it);
00044    it.first=1496.42; it.second= 15.0; theLowEData.push_back(it);
00045    it.first=1556.84; it.second= 15.2; theLowEData.push_back(it);
00046    it.first=1615.21; it.second= 19.4; theLowEData.push_back(it);
00047    it.first=1671.7;  it.second= 25.;  theLowEData.push_back(it);
00048    it.first=1726.44; it.second= 26.;  theLowEData.push_back(it);
00049    it.first=1779.57; it.second= 30.;  theLowEData.push_back(it);
00050    it.first=1881.49; it.second= 40.;  theLowEData.push_back(it);
00051    it.first=1930.49; it.second= 40.;  theLowEData.push_back(it);
00052    it.first=2070.69; it.second= 30.;  theLowEData.push_back(it);
00053    it.first=2202.11; it.second= 29.;  theLowEData.push_back(it);
00054    it.first=2326.19; it.second= 30.7; theLowEData.push_back(it);
00055    it.first=2405.38; it.second= 30.7; theLowEData.push_back(it);
00056    it.first=2733.67; it.second= 28.3; theLowEData.push_back(it);
00057    it.first=3207.21; it.second= 26.5; theLowEData.push_back(it);
00058    it.first=4434.76; it.second= 25.0; theLowEData.push_back(it);
00059  } 

virtual G4XpipNTotal::~G4XpipNTotal (  )  [inline, virtual]

Definition at line 39 of file G4XpipNTotal.hh.

00039 {}


Member Function Documentation

G4double G4XpipNTotal::CrossSection ( const G4KineticTrack trk1,
const G4KineticTrack trk2 
) const [virtual]

Implements G4VCrossSectionSource.

Definition at line 62 of file G4XpipNTotal.cc.

References G4XPDGTotal::CrossSection(), and G4KineticTrack::Get4Momentum().

00063  {
00064    G4double sqrts = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
00065    if(sqrts > theLowEData.back().first/MeV) return thePDGData.CrossSection(trk1, trk2);
00066    G4double result = 0;
00067    size_t i(0), it(0);
00068    if(sqrts<theLowEData[0].first) return 0;
00069    for(i=0; i<theLowEData.size(); i++)
00070    {
00071      if(theLowEData[i].first/MeV>sqrts) break;
00072      it = i;
00073    }
00074    G4double x1 = std::log(theLowEData[it].first);
00075    G4double x2 = std::log(theLowEData[it+1].first);
00076    G4double y1 = std::log(theLowEData[it].second);
00077    G4double y2 = std::log(theLowEData[it+1].second);
00078    G4double x = std::log(sqrts);
00079    G4double y = y1+(x-x1)*(y2-y1)/(x2-x1);
00080    result = std::exp(y);
00081    return result*millibarn;
00082  }

virtual const G4CrossSectionVector* G4XpipNTotal::GetComponents (  )  const [inline, virtual]

Implements G4VCrossSectionSource.

Definition at line 41 of file G4XpipNTotal.hh.

00041 { return 0; }

virtual G4String G4XpipNTotal::Name (  )  const [inline, virtual]

Implements G4VCrossSectionSource.

Definition at line 42 of file G4XpipNTotal.hh.

00042 {return "G4XpipNTotal";}


The documentation for this class was generated from the following files:
Generated on Mon May 27 17:54:01 2013 for Geant4 by  doxygen 1.4.7