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25 // 25 //
26 // Geant4 Class header file << 26 // $Id$
>> 27 //
>> 28 // GEANT4 Class header file
27 // 29 //
28 // File name: G4StokesVector 30 // File name: G4StokesVector
29 // 31 //
30 // Author: Andreas Schaelicke 32 // Author: Andreas Schaelicke
31 // 33 //
>> 34 // Creation date: 01.05.2005
>> 35 //
>> 36 // Modifications:
>> 37 // 27-07-06 added some test routines (P.Starovoitov)
>> 38 // 25-08-06 modified name of test routines (A.Schaelicke)
>> 39 //
32 // Class Description: 40 // Class Description:
33 // Provides Stokesvector representation empl << 41 //
34 // polarized processes. << 42 // Provides Stokesvector representation employed in implementation of
>> 43 // polarized processes.
>> 44 //
>> 45 // aim:
35 // - store three components of a stokesvecto 46 // - store three components of a stokesvector
36 // - distinguish between boson or fermion st 47 // - distinguish between boson or fermion state (different transformations)
37 // - provide unique definition of reference 48 // - provide unique definition of reference frame (cf. G4PolarizationHelper)
>> 49 //
38 50
39 #ifndef G4StokesVector_h 51 #ifndef G4StokesVector_h
40 #define G4StokesVector_h 1 52 #define G4StokesVector_h 1
41 53
42 #include "G4ThreeVector.hh" 54 #include "G4ThreeVector.hh"
43 #include "G4RotationMatrix.hh" 55 #include "G4RotationMatrix.hh"
44 56
45 class G4StokesVector : public G4ThreeVector << 57
>> 58 class G4StokesVector: public G4ThreeVector
46 { 59 {
47 public: 60 public:
>> 61 // standard vectors:
>> 62 static const G4StokesVector ZERO;
>> 63 static const G4StokesVector P1;
>> 64 static const G4StokesVector P2;
>> 65 static const G4StokesVector P3;
>> 66 static const G4StokesVector M1;
>> 67 static const G4StokesVector M2;
>> 68 static const G4StokesVector M3;
>> 69 public:
48 G4StokesVector(); 70 G4StokesVector();
49 explicit G4StokesVector(const G4ThreeVector& << 71 G4StokesVector(const G4ThreeVector & v);
50 ~G4StokesVector() = default; << 72 virtual ~G4StokesVector();
51 << 73 public:
52 G4bool IsZero() const; <<
53 <<
54 inline G4double p1() const { return x(); } 74 inline G4double p1() const { return x(); }
55 inline G4double p2() const { return y(); } 75 inline G4double p2() const { return y(); }
56 inline G4double p3() const { return z(); } 76 inline G4double p3() const { return z(); }
57 77
58 inline G4double Transverse() const { return << 78 inline G4bool IsZero() const { return *this==ZERO; }
>> 79 inline G4double Transverse() const { return perp(); }
59 80
60 inline G4ThreeVector PolSqr() const << 81 inline G4ThreeVector PolSqr() const {
61 { << 82 return G4ThreeVector(x()*x(),y()*y(),z()*z());
62 return G4ThreeVector(x() * x(), y() * y(), <<
63 } 83 }
64 inline G4ThreeVector PolSqrt() const << 84 inline G4ThreeVector PolSqrt() const {
65 { << 85 return G4ThreeVector(std::sqrt(x()),std::sqrt(y()),std::sqrt(z()));
66 return G4ThreeVector(std::sqrt(x()), std:: <<
67 } 86 }
68 G4ThreeVector PolError(const G4StokesVector& << 87 G4ThreeVector PolError(const G4StokesVector & sum2, long n);
69 88
70 // Ratio of 3-vectors. 89 // Ratio of 3-vectors.
71 G4ThreeVector PolDiv(const G4StokesVector&); << 90 G4ThreeVector PolDiv( const G4StokesVector & );
72 91
73 inline void SetPhoton() { fIsPhoton = true; << 92 inline void SetPhoton() { isPhoton=true; }
74 93
75 void RotateAz(G4ThreeVector nInteractionFram << 94 void RotateAz(G4ThreeVector nInteractionFrame,
76 G4ThreeVector particleDirectio << 95 G4ThreeVector particleDirection);
77 void InvRotateAz(G4ThreeVector nInteractionF << 96 void InvRotateAz(G4ThreeVector nInteractionFrame,
78 G4ThreeVector particleDirec << 97 G4ThreeVector particleDirection);
79 void RotateAz(G4double cosphi, G4double sinp 98 void RotateAz(G4double cosphi, G4double sinphi);
80 G4double GetBeta(); 99 G4double GetBeta();
81 100
82 void DiceUniform(); 101 void DiceUniform();
83 void DiceP1(); 102 void DiceP1();
84 void DiceP2(); 103 void DiceP2();
85 void DiceP3(); 104 void DiceP3();
86 105
87 void FlipP3(); 106 void FlipP3();
88 << 107 private:
89 // standard vectors: << 108 G4bool isPhoton;
90 static const G4StokesVector ZERO; <<
91 static const G4StokesVector P1; <<
92 static const G4StokesVector P2; <<
93 static const G4StokesVector P3; <<
94 static const G4StokesVector M1; <<
95 static const G4StokesVector M2; <<
96 static const G4StokesVector M3; <<
97 <<
98 private: <<
99 G4bool fIsPhoton; <<
100 }; 109 };
>> 110
101 111
102 #endif 112 #endif
103 113