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1 // 1 //
2 // ******************************************* 2 // ********************************************************************
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19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. *
20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work *
21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this *
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24 // ******************************************* 21 // ********************************************************************
25 // 22 //
26 // 23 //
>> 24 // $Id: G4ExcitedStringDecay.hh,v 1.2 2004/01/29 17:39:14 hpw Exp $
>> 25 // GEANT4 tag $Name: geant4-06-01 $
27 // 26 //
28 #ifndef G4ExcitedStringDecay_h 27 #ifndef G4ExcitedStringDecay_h
29 #define G4ExcitedStringDecay_h 1 28 #define G4ExcitedStringDecay_h 1
30 29
31 #include "globals.hh" 30 #include "globals.hh"
32 #include "G4VStringFragmentation.hh" 31 #include "G4VStringFragmentation.hh"
33 #include "G4ExcitedStringVector.hh" 32 #include "G4ExcitedStringVector.hh"
34 #include "G4KineticTrackVector.hh" 33 #include "G4KineticTrackVector.hh"
35 << 34 #include "G4LundStringFragmentation.hh"
36 class G4VLongitudinalStringDecay; <<
37 35
38 class G4ExcitedStringDecay: public G4VStringFr 36 class G4ExcitedStringDecay: public G4VStringFragmentation
39 { 37 {
40 public: 38 public:
41 G4ExcitedStringDecay(G4VLongitudinalStri << 39 G4ExcitedStringDecay();
42 virtual ~G4ExcitedStringDecay(); << 40 G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay);
>> 41 ~G4ExcitedStringDecay();
43 42
44 private: 43 private:
45 G4ExcitedStringDecay(const G4ExcitedStri 44 G4ExcitedStringDecay(const G4ExcitedStringDecay &right);
46 const G4ExcitedStringDecay & operator=(c 45 const G4ExcitedStringDecay & operator=(const G4ExcitedStringDecay &right);
47 G4bool operator==(const G4ExcitedStringD << 46 int operator==(const G4ExcitedStringDecay &right) const;
48 G4bool operator!=(const G4ExcitedStringD << 47 int operator!=(const G4ExcitedStringDecay &right) const;
49 48
50 public: 49 public:
>> 50
51 virtual G4KineticTrackVector * FragmentS 51 virtual G4KineticTrackVector * FragmentStrings(const G4ExcitedStringVector * theStrings);
52 52
53 private: 53 private:
54 G4KineticTrackVector * FragmentString(co 54 G4KineticTrackVector * FragmentString(const G4ExcitedString &theString);
55 G4bool EnergyAndMomentumCorrector(G4Kine 55 G4bool EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom);
>> 56
56 G4VLongitudinalStringDecay * theStringDe 57 G4VLongitudinalStringDecay * theStringDecay;
>> 58
57 }; 59 };
58 60
>> 61 inline
>> 62 G4KineticTrackVector *G4ExcitedStringDecay::
>> 63 FragmentString(const G4ExcitedString &theString)
>> 64 {
>> 65 if ( theStringDecay == NULL )
>> 66 theStringDecay=new G4LundStringFragmentation();
>> 67
>> 68 return theStringDecay->FragmentString(theString);
>> 69 }
>> 70
>> 71 inline
>> 72 G4KineticTrackVector *G4ExcitedStringDecay::
>> 73 FragmentStrings(const G4ExcitedStringVector * theStrings)
>> 74 {
>> 75 G4KineticTrackVector * theResult = new G4KineticTrackVector;
>> 76
>> 77 G4LorentzVector KTsum;
>> 78 G4bool NeedEnergyCorrector=false;
>> 79
>> 80 for ( unsigned int astring=0; astring < theStrings->size(); astring++)
>> 81 {
>> 82 KTsum+= theStrings->operator[](astring)->Get4Momentum();
>> 83 if( !(KTsum.e()<1) && !(KTsum.e()>-1) )
>> 84 {
>> 85 throw G4HadronicException(__FILE__, __LINE__,
>> 86 "G4ExcitedStringDecay::FragmentStrings received nan string...");
>> 87 }
>> 88 G4KineticTrackVector * generatedKineticTracks = NULL;
>> 89
>> 90 if ( theStrings->operator[](astring)->IsExcited() )
>> 91 {
>> 92 generatedKineticTracks=FragmentString(*theStrings->operator[](astring));
>> 93 } else {
>> 94 generatedKineticTracks = new G4KineticTrackVector;
>> 95 generatedKineticTracks->push_back(theStrings->operator[](astring)->GetKineticTrack());
>> 96 }
>> 97
>> 98 if (generatedKineticTracks == NULL)
>> 99 {
>> 100 G4cerr << "G4VPartonStringModel:No KineticTracks produced" << G4endl;
>> 101 continue;
>> 102 }
>> 103
>> 104 G4LorentzVector KTsum1;
>> 105 for ( unsigned int aTrack=0; aTrack<generatedKineticTracks->size();aTrack++)
>> 106 {
>> 107 theResult->push_back(generatedKineticTracks->operator[](aTrack));
>> 108 KTsum1+= (*generatedKineticTracks)[aTrack]->Get4Momentum();
>> 109 }
>> 110
>> 111
>> 112 if ( abs((KTsum1.e()-theStrings->operator[](astring)->Get4Momentum().e()) / KTsum1.e()) > perMillion )
>> 113 {
>> 114 NeedEnergyCorrector=true;
>> 115 }
>> 116 // clean up
>> 117 delete generatedKineticTracks;
>> 118 }
>> 119 // G4cout << "String total energy and 4 momentum" <<KTsum.t()<<" "<< KTsum << endl;
>> 120
>> 121 if ( NeedEnergyCorrector ) EnergyAndMomentumCorrector(theResult, KTsum);
>> 122
>> 123 return theResult;
>> 124 }
>> 125
59 #endif 126 #endif
>> 127
60 128
61 129