Geant4 10.7.0
Toolkit for the simulation of the passage of particles through matter
Loading...
Searching...
No Matches
G4AtimaFluctuations.hh
Go to the documentation of this file.
1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
9// * include a list of copyright holders. *
10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26//
27// -------------------------------------------------------------------
28//
29// GEANT4 Class header file
30//
31//
32// File name: G4AtimaFluctuations
33//
34// Author: Jose Luis Rodriguez Sanchez on base of ATIMA code
35//
36// Creation date: 16.01.2018
37//
38// Modifications:
39//
40//
41// Class Description:
42//
43// Implementation of ion energy loss fluctuations
44//
45// -------------------------------------------------------------------
46//
47
48#ifndef G4AtimaFluctuations_h
49#define G4AtimaFluctuations_h 1
50
51
55
56class G4Pow;
57
59{
60
61public:
62
63 explicit G4AtimaFluctuations(const G4String& nam = "IonFlucAtima");
64
65 virtual ~G4AtimaFluctuations();
66
67 // Sample fluctuations
69 const G4DynamicParticle*,
70 G4double tmax,
71 G4double length,
72 G4double meanLoss) override;
73
74 // Compute dispertion
75 virtual G4double Dispersion(const G4Material*,
76 const G4DynamicParticle*,
77 G4double tmax,
78 G4double length) override;
79
80 // Initialisation prerun
81 virtual void InitialiseMe(const G4ParticleDefinition*) override;
82
83 // Initialisation prestep
84 virtual void SetParticleAndCharge(const G4ParticleDefinition*,
85 G4double q2) override;
86
87private:
88
89 G4double EnergyTable_interpolate(const G4double* table,G4double xval, const G4double* y);
90
91 // hide assignment operator
92 G4AtimaFluctuations & operator=(const G4AtimaFluctuations &right) = delete;
94
96 const G4ParticleDefinition* particle;
97
98 G4Pow* g4calc;
99
100 G4double particleMass;
101 G4double charge;
102 G4double chargeSquare;
103 G4double effChargeSquare;
104
105 G4double MLN10;
106 G4double atomic_mass_unit;
107 G4double dedx_constant;
108 G4double electron_mass;
109 G4double fine_structure;
110 G4double domega2dx_constant;
111
112 static G4double stepE;
113 static G4double tableE[200];
114 static const G4double ls_X_coefficients_a[110][200];
115 static const G4double ls_X_coefficients_ahi[110][200];
116 static const G4double element_atomic_weights[110];
117
118 // data members to speed up the fluctuation calculation
119 G4double minLoss;
120 // cash
121 G4double kineticEnergy;
122 G4double beta2;
123};
124
125//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
126
127#endif
128
double G4double
Definition: G4Types.hh:83
virtual void InitialiseMe(const G4ParticleDefinition *) override
virtual void SetParticleAndCharge(const G4ParticleDefinition *, G4double q2) override
virtual G4double Dispersion(const G4Material *, const G4DynamicParticle *, G4double tmax, G4double length) override
virtual G4double SampleFluctuations(const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmax, G4double length, G4double meanLoss) override
Definition: G4Pow.hh:49