Gabriele Cosmo
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4Nucleon.cc,v 1.2.8.1.2.3 1999/12/14 07:08:25 gunter Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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#include "G4Nucleon.hh"
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// ------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// For information related to this code contact:
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// CERN, CN Division, ASD group
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// ---------------- G4Nucleon ----------------
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// by Gunter Folger, May 1998.
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// class for a nucleon (inside a 3D Nucleus)
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// ------------------------------------------------------------
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G4Nucleon::G4Nucleon()
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: theBindingE(0.) , theParticleType(NULL), theSplitableHadron(NULL)
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{}
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G4Nucleon::~G4Nucleon()
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{
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}
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void G4Nucleon::Boost(const G4LorentzVector & aMomentum)
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{
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// see e.g. CERNLIB short writeup U101 for the algorithm
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G4double mass=aMomentum.mag();
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G4double factor=
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( theMomentum.vect()*aMomentum.vect()/(aMomentum.e()+mass) - theMomentum.e() ) / mass;
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theMomentum.setE(1/mass*theMomentum.dot(aMomentum));
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theMomentum.setVect(factor*aMomentum.vect() + theMomentum.vect());
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}
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#include "g4std/iostream"
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G4std::ostream & operator << (G4std::ostream &s, const G4Nucleon& nucleon)
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{
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// s<< nucleon.GetDefinition()->GetParticleName()
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// << " is " << nucleon.AreYouHit() ? " " : "not"
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// << " hit. Momentum/position:" << G4endl;
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s<< " momentum : " << nucleon.Get4Momentum() << G4endl;
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s<< " position : " << nucleon.GetPosition() ;
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return s;
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}
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