Gabriele Cosmo
129 lines
4.5 KiB
C++
129 lines
4.5 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4ExcitedStringDecay.hh,v 1.2 2004/01/29 17:39:14 hpw Exp $
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// GEANT4 tag $Name: geant4-06-01 $
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//
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#ifndef G4ExcitedStringDecay_h
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#define G4ExcitedStringDecay_h 1
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#include "globals.hh"
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#include "G4VStringFragmentation.hh"
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#include "G4ExcitedStringVector.hh"
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#include "G4KineticTrackVector.hh"
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#include "G4LundStringFragmentation.hh"
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class G4ExcitedStringDecay: public G4VStringFragmentation
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{
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public:
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G4ExcitedStringDecay();
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G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay);
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~G4ExcitedStringDecay();
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private:
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G4ExcitedStringDecay(const G4ExcitedStringDecay &right);
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const G4ExcitedStringDecay & operator=(const G4ExcitedStringDecay &right);
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int operator==(const G4ExcitedStringDecay &right) const;
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int operator!=(const G4ExcitedStringDecay &right) const;
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public:
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virtual G4KineticTrackVector * FragmentStrings(const G4ExcitedStringVector * theStrings);
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private:
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G4KineticTrackVector * FragmentString(const G4ExcitedString &theString);
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G4bool EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom);
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G4VLongitudinalStringDecay * theStringDecay;
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};
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inline
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G4KineticTrackVector *G4ExcitedStringDecay::
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FragmentString(const G4ExcitedString &theString)
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{
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if ( theStringDecay == NULL )
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theStringDecay=new G4LundStringFragmentation();
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return theStringDecay->FragmentString(theString);
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}
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inline
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G4KineticTrackVector *G4ExcitedStringDecay::
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FragmentStrings(const G4ExcitedStringVector * theStrings)
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{
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G4KineticTrackVector * theResult = new G4KineticTrackVector;
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G4LorentzVector KTsum;
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G4bool NeedEnergyCorrector=false;
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for ( unsigned int astring=0; astring < theStrings->size(); astring++)
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{
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KTsum+= theStrings->operator[](astring)->Get4Momentum();
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if( !(KTsum.e()<1) && !(KTsum.e()>-1) )
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{
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throw G4HadronicException(__FILE__, __LINE__,
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"G4ExcitedStringDecay::FragmentStrings received nan string...");
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}
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G4KineticTrackVector * generatedKineticTracks = NULL;
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if ( theStrings->operator[](astring)->IsExcited() )
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{
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generatedKineticTracks=FragmentString(*theStrings->operator[](astring));
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} else {
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generatedKineticTracks = new G4KineticTrackVector;
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generatedKineticTracks->push_back(theStrings->operator[](astring)->GetKineticTrack());
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}
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if (generatedKineticTracks == NULL)
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{
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G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl;
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continue;
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}
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G4LorentzVector KTsum1;
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for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++)
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{
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theResult->push_back(generatedKineticTracks->operator[](aTrack));
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KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum();
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}
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if ( abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion )
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{
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NeedEnergyCorrector=true;
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}
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// clean up
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delete generatedKineticTracks;
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}
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// G4cout << "String total energy and 4 momentum" <<KTsum.t()<<" "<< KTsum << endl;
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if ( NeedEnergyCorrector ) EnergyAndMomentumCorrector(theResult, KTsum);
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return theResult;
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}
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#endif
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