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G4Mag_EqRhs.hh
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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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. Please see the license in the file LICENSE and URL above *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// ********************************************************************
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//
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//
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// $Id: G4Mag_EqRhs.hh 69699 2013-05-13 08:50:30Z gcosmo $
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//
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//
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// class G4Mag_EqRhs
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//
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// Class description:
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//
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// The "standard" equation of motion of a particle in a pure magnetic field.
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// History:
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// - Created. J.Apostolakis, January 13th 1997
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// --------------------------------------------------------------------
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#ifndef G4_MAG_EQRHS_DEF
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#define G4_MAG_EQRHS_DEF
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#include "
G4Types.hh
"
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#include "
G4ChargeState.hh
"
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#include "
G4EquationOfMotion.hh
"
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class
G4MagneticField
;
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class
G4Mag_EqRhs
:
public
G4EquationOfMotion
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{
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public
:
// with description
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G4Mag_EqRhs
(
G4MagneticField
*magField );
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virtual
~G4Mag_EqRhs
();
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// Constructor and destructor. No actions.
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virtual
void
EvaluateRhsGivenB
(
const
G4double
y[],
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const
G4double
B[3],
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G4double
dydx[] )
const
= 0;
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// Given the value of the field "B", this function
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// calculates the value of the derivative dydx.
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// This is the _only_ function a subclass must define.
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// The other two functions use Rhs_givenB.
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inline
G4double
FCof
()
const
;
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virtual
void
SetChargeMomentumMass
(
G4ChargeState
particleCharge,
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G4double
MomentumXc,
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G4double
mass);
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private
:
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G4double
fCof_val
;
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static
const
G4double
fUnitConstant
;
// Set in G4Mag_EqRhs.cc
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// to 0.299792458
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// Coefficient in the Lorentz motion equation (Lorentz force), if the
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// magnetic field B is in Tesla, the particle charge in units of the
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// elementary (positron?) charge, the momentum P in MeV/c, and the
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// space coordinates and path along the trajectory in mm .
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};
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inline
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G4double
G4Mag_EqRhs::FCof
()
const
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{
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return
fCof_val
;
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}
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#endif
/* G4_MAG_EQRHS_DEF */
G4Types.hh
G4EquationOfMotion
Definition:
G4EquationOfMotion.hh:49
G4Mag_EqRhs::fUnitConstant
static const G4double fUnitConstant
Definition:
G4Mag_EqRhs.hh:75
G4EquationOfMotion.hh
G4Mag_EqRhs::FCof
G4double FCof() const
Definition:
G4Mag_EqRhs.hh:84
G4ChargeState
Definition:
G4ChargeState.hh:44
G4Mag_EqRhs::SetChargeMomentumMass
virtual void SetChargeMomentumMass(G4ChargeState particleCharge, G4double MomentumXc, G4double mass)
Definition:
G4Mag_EqRhs.cc:56
G4Mag_EqRhs::G4Mag_EqRhs
G4Mag_EqRhs(G4MagneticField *magField)
Definition:
G4Mag_EqRhs.cc:50
G4Mag_EqRhs::fCof_val
G4double fCof_val
Definition:
G4Mag_EqRhs.hh:73
G4Mag_EqRhs::~G4Mag_EqRhs
virtual ~G4Mag_EqRhs()
Definition:
G4Mag_EqRhs.cc:66
G4Mag_EqRhs
Definition:
G4Mag_EqRhs.hh:49
G4double
double G4double
Definition:
G4Types.hh:76
G4Mag_EqRhs::EvaluateRhsGivenB
virtual void EvaluateRhsGivenB(const G4double y[], const G4double B[3], G4double dydx[]) const =0
G4ChargeState.hh
G4MagneticField
Definition:
G4MagneticField.hh:46
geant4.10.00.p02
source
geometry
magneticfield
include
G4Mag_EqRhs.hh
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