G4XpimNTotal Class Reference

#include <G4XpimNTotal.hh>

Inheritance diagram for G4XpimNTotal:

G4VCrossSectionSource

Public Member Functions

 G4XpimNTotal ()
virtual ~G4XpimNTotal ()
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 G4XpimNTotal.hh.


Constructor & Destructor Documentation

G4XpimNTotal::G4XpimNTotal (  ) 

Definition at line 32 of file G4XpimNTotal.cc.

00033  {
00034    std::pair<double,double> it;
00035    it.first=1105.46 ;it.second= 8.8;  theLowEData.push_back(it);
00036    it.first=1139.41 ;it.second= 13.6;  theLowEData.push_back(it);
00037    it.first=1165.12 ;it.second= 26.0;  theLowEData.push_back(it);
00038    it.first=1198.8  ;it.second= 60.;  theLowEData.push_back(it);
00039    it.first=1212.51 ;it.second= 70.;  theLowEData.push_back(it);
00040    it.first=1222.84 ;it.second= 72.;  theLowEData.push_back(it);
00041    it.first=1233.18 ;it.second= 68.;  theLowEData.push_back(it);
00042    it.first=1240.08 ;it.second= 65.;  theLowEData.push_back(it);
00043    it.first=1301.86 ;it.second= 30.;  theLowEData.push_back(it);
00044    it.first=1335.65 ;it.second= 26.;  theLowEData.push_back(it);
00045    it.first=1368.93 ;it.second= 27.;  theLowEData.push_back(it);
00046    it.first=1433.81 ;it.second= 30.;  theLowEData.push_back(it);
00047    it.first=1496.42 ;it.second= 45.;  theLowEData.push_back(it);
00048    it.first=1508.67 ;it.second= 47.;  theLowEData.push_back(it);
00049    it.first=1520.84 ;it.second= 45.;  theLowEData.push_back(it);
00050    it.first=1568.67 ;it.second= 35.;  theLowEData.push_back(it);
00051    it.first=1603.69 ;it.second= 37.;  theLowEData.push_back(it);
00052    it.first=1660.54 ;it.second= 58.;  theLowEData.push_back(it);
00053    it.first=1674.47 ;it.second= 59.;  theLowEData.push_back(it);
00054    it.first=1688.29 ;it.second= 58.;  theLowEData.push_back(it);
00055    it.first=1779.57 ;it.second= 36.;  theLowEData.push_back(it);
00056    it.first=1881.49 ;it.second= 36.8;  theLowEData.push_back(it);
00057    it.first=1978.31 ;it.second= 34.5;  theLowEData.push_back(it);
00058    it.first=2038.82 ;it.second= 34.5;  theLowEData.push_back(it);
00059    it.first=2115.39 ;it.second= 36.;  theLowEData.push_back(it);
00060    it.first=2159.18 ;it.second= 36.3;  theLowEData.push_back(it);
00061    it.first=2244.22 ;it.second= 36.;  theLowEData.push_back(it);
00062    it.first=2424.78 ;it.second= 33.;  theLowEData.push_back(it);
00063    it.first=2664.2  ;it.second= 32.;  theLowEData.push_back(it);
00064    it.first=3487.43 ;it.second= 28.;  theLowEData.push_back(it);
00065    it.first=4434.76 ;it.second= 26.7;  theLowEData.push_back(it);
00066  } 

virtual G4XpimNTotal::~G4XpimNTotal (  )  [inline, virtual]

Definition at line 39 of file G4XpimNTotal.hh.

00039 {}


Member Function Documentation

G4double G4XpimNTotal::CrossSection ( const G4KineticTrack trk1,
const G4KineticTrack trk2 
) const [virtual]

Implements G4VCrossSectionSource.

Definition at line 69 of file G4XpimNTotal.cc.

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

00070  {
00071    G4double sqrts = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
00072    if(sqrts > theLowEData.back().first/MeV) return thePDGData.CrossSection(trk1, trk2);
00073    G4double result = 0;
00074    size_t i(0), it(0);
00075    if(sqrts<theLowEData[0].first) return 0;
00076    for(i=0; i<theLowEData.size(); i++)
00077    {
00078      if(theLowEData[i].first/MeV>sqrts) break;
00079      it = i;
00080    }
00081    G4double x1 = std::log(theLowEData[it].first);
00082    G4double x2 = std::log(theLowEData[it+1].first);
00083    G4double y1 = std::log(theLowEData[it].second);
00084    G4double y2 = std::log(theLowEData[it+1].second);
00085    G4double x = std::log(sqrts);
00086    G4double y = y1+(x-x1)*(y2-y1)/(x2-x1);
00087    result = std::exp(y);
00088    return result*millibarn;
00089  }

virtual const G4CrossSectionVector* G4XpimNTotal::GetComponents (  )  const [inline, virtual]

Implements G4VCrossSectionSource.

Definition at line 41 of file G4XpimNTotal.hh.

00041 { return 0; }

virtual G4String G4XpimNTotal::Name (  )  const [inline, virtual]

Implements G4VCrossSectionSource.

Definition at line 42 of file G4XpimNTotal.hh.

00042 {return "G4XpimNTotal";}


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