Gabriele Cosmo
154 lines
5.7 KiB
C++
154 lines
5.7 KiB
C++
//
|
|
// ********************************************************************
|
|
// * License and Disclaimer *
|
|
// * *
|
|
// * The Geant4 software is copyright of the Copyright Holders of *
|
|
// * the Geant4 Collaboration. It is provided under the terms and *
|
|
// * conditions of the Geant4 Software License, included in the file *
|
|
// * LICENSE and available at http://cern.ch/geant4/license . These *
|
|
// * include a list of copyright holders. *
|
|
// * *
|
|
// * Neither the authors of this software system, nor their employing *
|
|
// * institutes,nor the agencies providing financial support for this *
|
|
// * work make any representation or warranty, express or implied, *
|
|
// * regarding this software system or assume any liability for its *
|
|
// * use. Please see the license in the file LICENSE and URL above *
|
|
// * for the full disclaimer and the limitation of liability. *
|
|
// * *
|
|
// * This code implementation is the result of the scientific and *
|
|
// * technical work of the GEANT4 collaboration. *
|
|
// * By using, copying, modifying or distributing the software (or *
|
|
// * any work based on the software) you agree to acknowledge its *
|
|
// * use in resulting scientific publications, and indicate your *
|
|
// * acceptance of all terms of the Geant4 Software license. *
|
|
// ********************************************************************
|
|
//
|
|
// $Id: G4hMultipleScattering.cc,v 1.13 2008/10/15 17:53:44 vnivanch Exp $
|
|
// GEANT4 tag $Name: geant4-09-02 $
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
// GEANT4 Class file
|
|
//
|
|
// File name: G4hMultipleScattering
|
|
//
|
|
// Author: Laszlo Urban
|
|
//
|
|
// Creation date: 24.10.2006 cloned from G4MultipleScattering
|
|
//
|
|
// Modified:
|
|
// 12-02-07 skin can be changed via UI command (VI)
|
|
// 20.03.07 Remove local parameter skin, set facgeom=0.1(V.Ivanchenko)
|
|
//
|
|
// -----------------------------------------------------------------------------
|
|
//
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
#include "G4hMultipleScattering.hh"
|
|
#include "G4UrbanMscModel.hh"
|
|
#include "G4UrbanMscModel90.hh"
|
|
#include "G4MscStepLimitType.hh"
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
using namespace std;
|
|
|
|
G4hMultipleScattering::G4hMultipleScattering(const G4String& processName)
|
|
: G4VMultipleScattering(processName)
|
|
{
|
|
isInitialized = false;
|
|
isIon = false;
|
|
SetStepLimitType(fMinimal);
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4hMultipleScattering::~G4hMultipleScattering()
|
|
{}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4bool G4hMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
|
|
{
|
|
return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void G4hMultipleScattering::InitialiseProcess(const G4ParticleDefinition* p)
|
|
{
|
|
// Modification of parameters between runs
|
|
if(isInitialized) {
|
|
if (p->GetParticleType() != "nucleus" && p->GetPDGMass() < GeV) {
|
|
mscUrban->SetStepLimitType(StepLimitType());
|
|
mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
|
|
mscUrban->SetSkin(Skin());
|
|
mscUrban->SetRangeFactor(RangeFactor());
|
|
mscUrban->SetGeomFactor(GeomFactor());
|
|
}
|
|
return;
|
|
}
|
|
|
|
// defaults for ions, which cannot be overwritten
|
|
if (p->GetParticleType() == "nucleus" || p->GetPDGMass() > GeV) {
|
|
SetStepLimitType(fMinimal);
|
|
SetLateralDisplasmentFlag(false);
|
|
SetBuildLambdaTable(false);
|
|
if(p->GetParticleType() == "nucleus") isIon = true;
|
|
}
|
|
|
|
// initialisation of parameters
|
|
G4String part_name = p->GetParticleName();
|
|
mscUrban = new G4UrbanMscModel90();
|
|
|
|
mscUrban->SetStepLimitType(StepLimitType());
|
|
mscUrban->SetLateralDisplasmentFlag(LateralDisplasmentFlag());
|
|
mscUrban->SetSkin(Skin());
|
|
mscUrban->SetRangeFactor(RangeFactor());
|
|
mscUrban->SetGeomFactor(GeomFactor());
|
|
|
|
AddEmModel(1,mscUrban);
|
|
isInitialized = true;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
void G4hMultipleScattering::PrintInfo()
|
|
{
|
|
G4cout << " RangeFactor= " << RangeFactor()
|
|
<< ", step limit type: " << StepLimitType()
|
|
<< ", lateralDisplacement: " << LateralDisplasmentFlag()
|
|
<< ", skin= " << Skin()
|
|
// << ", geomFactor= " << GeomFactor()
|
|
<< G4endl;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|
|
G4double G4hMultipleScattering::AlongStepGetPhysicalInteractionLength(
|
|
const G4Track& track,
|
|
G4double,
|
|
G4double currentMinimalStep,
|
|
G4double& currentSafety,
|
|
G4GPILSelection* selection)
|
|
{
|
|
// get Step limit proposed by the process
|
|
valueGPILSelectionMSC = NotCandidateForSelection;
|
|
|
|
G4double escaled = track.GetKineticEnergy();
|
|
if(isIon) escaled *= track.GetDynamicParticle()->GetMass()/proton_mass_c2;
|
|
|
|
G4double steplength = GetMscContinuousStepLimit(track,
|
|
escaled,
|
|
currentMinimalStep,
|
|
currentSafety);
|
|
// G4cout << "StepLimit= " << steplength << G4endl;
|
|
// set return value for G4GPILSelection
|
|
*selection = valueGPILSelectionMSC;
|
|
return steplength;
|
|
}
|
|
|
|
//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
|
|
|