G4VKinkyStringDecay Class Reference

#include <G4VKinkyStringDecay.hh>

Public Member Functions
	G4VKinkyStringDecay (G4VLongitudinalStringDecay *theModal)
virtual	~G4VKinkyStringDecay ()
G4KineticTrackVector *	FragmentString (const G4ExcitedString &String)
virtual G4double	GetLightConeGluonZ (G4double zmin, G4double zmax)
void	SetLongitudinalStringDecay (G4VLongitudinalStringDecay *)

Detailed Description

Definition at line 43 of file G4VKinkyStringDecay.hh.

Constructor & Destructor Documentation

G4VKinkyStringDecay::G4VKinkyStringDecay

(

G4VLongitudinalStringDecay *

theModal

)

Definition at line 43 of file G4VKinkyStringDecay.cc.

{
    this->SetLongitudinalStringDecay(theModal);
}

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virtual G4VKinkyStringDecay::~G4VKinkyStringDecay ( )

inlinevirtual

Definition at line 47 of file G4VKinkyStringDecay.hh.

{};

Member Function Documentation

G4KineticTrackVector * G4VKinkyStringDecay::FragmentString

(

const G4ExcitedString &

String

)

Definition at line 63 of file G4VKinkyStringDecay.cc.

{
    G4LorentzVector Mom = String.GetGluon()->Get4Momentum();
    G4ThreeVector Pos = String.GetGluon()->GetPosition();
    G4int QuarkEncoding = theLongitudinalStringDecay->SampleQuarkFlavor();
    G4ThreeVector Pquark=theLongitudinalStringDecay->SampleQuarkPt();
    G4double Pt2 = Pquark.mag2();
    G4double z = GetLightConeGluonZ(0, 1);
    G4double w = Mom.e() + Mom.pz();
    //... now compute quark longitudinal momentum and energy

    Pquark.setZ(  (z*w - Pt2/(z*w))*0.5);
    G4double E  = (z*w + Pt2/(z*w))*0.5;
    
    G4Parton* AntiColor = new G4Parton(-QuarkEncoding);
    AntiColor->SetPosition(Pos);
    G4LorentzVector AntiColorMom(-Pquark, E);
    AntiColor->Set4Momentum(AntiColorMom);
    G4Parton* Color = new G4Parton(*String.GetColorParton());
    G4ExcitedString Str1(Color, AntiColor, String.GetDirection());
    G4KineticTrackVector* KTV1 = theLongitudinalStringDecay->FragmentString(Str1);

    Color = new G4Parton(QuarkEncoding);
    Color->SetPosition(Pos);
    G4LorentzVector ColorMom(Pquark, E);
    Color->Set4Momentum(ColorMom);
    AntiColor = new G4Parton(*String.GetAntiColorParton());
    G4ExcitedString Str2(Color, AntiColor, String.GetDirection());
    G4KineticTrackVector* KTV2 = theLongitudinalStringDecay->FragmentString(Str2);

    if (KTV1 && KTV2)
         while(!KTV2->empty())  /* Loop checking, 07.08.2015, A.Ribon */
     {
             KTV1->push_back(KTV2->back());
         KTV1->erase(KTV1->end()-1);
     }
    return KTV1;            
} 

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G4double G4VKinkyStringDecay::GetLightConeGluonZ ( G4double  zmin, G4double  zmax  )

virtual

Definition at line 50 of file G4VKinkyStringDecay.cc.

{
    G4double z, yf;
    do {
       z = zmin + G4UniformRand()*(zmax-zmin);
       yf = z*z +sqr(1 - z);    
       } 
    while (G4UniformRand() > yf);  /* Loop checking, 07.08.2015, A.Ribon */ 
    return z;
}

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void G4VKinkyStringDecay::SetLongitudinalStringDecay ( G4VLongitudinalStringDecay *  theModal )

inline

Definition at line 61 of file G4VKinkyStringDecay.hh.

{
   theLongitudinalStringDecay = theModal;
}

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

• source/geant4.10.03.p02/source/processes/hadronic/models/parton_string/hadronization/include/G4VKinkyStringDecay.hh
• source/geant4.10.03.p02/source/processes/hadronic/models/parton_string/hadronization/src/G4VKinkyStringDecay.cc