Gabriele Cosmo
67 lines
2.9 KiB
C++
67 lines
2.9 KiB
C++
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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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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// * for the full disclaimer and the limitation of liability. *
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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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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4Mag_EqRhs.cc 69699 2013-05-13 08:50:30Z gcosmo $
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//
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// This is the standard right-hand side for equation of motion
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// in a pure Magnetic Field .
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//
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// Other that might be required are:
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// i) is when using a moving reference frame ... or
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// ii) extending for other forces, eg an electric field
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//
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// J. Apostolakis, January 13th, 1997
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//
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// --------------------------------------------------------------------
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#include "G4MagneticField.hh"
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#include "G4Mag_EqRhs.hh"
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#include "globals.hh"
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#include "G4PhysicalConstants.hh"
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#include "G4SystemOfUnits.hh"
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const G4double G4Mag_EqRhs::fUnitConstant = 0.299792458 * (GeV/(tesla*m));
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// Constructor Implementation
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//
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G4Mag_EqRhs::G4Mag_EqRhs( G4MagneticField *magField )
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: G4EquationOfMotion(magField), fCof_val(0.)
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{
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}
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void
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G4Mag_EqRhs::SetChargeMomentumMass( G4ChargeState particleCharge,
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G4double, // MomentumXc
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G4double ) // particleMass
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{
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G4double pcharge = particleCharge.GetCharge();
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fCof_val = pcharge*eplus*c_light ; // B must be in Tesla
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// fCof_val = fUnitConstant*pcharge/MomentumXc; // B must be in Tesla
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// fMass = particleMass;
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}
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G4Mag_EqRhs::~G4Mag_EqRhs() { }
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