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// $Id: G4MuMultipleScattering.cc,v 1.14 2009/10/30 18:37:06 vnivanch Exp $
// GEANT4 tag $Name: geant4-09-04-beta-01 $
//
// -----------------------------------------------------------------------------
//
// GEANT4 Class file
//
// File name:     G4MuMultipleScattering
//
// 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) 
//
// -----------------------------------------------------------------------------
//
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#include "G4MuMultipleScattering.hh"
#include "G4WentzelVIModel.hh"
#include "G4UrbanMscModel90.hh"
#include "G4MscStepLimitType.hh"

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using namespace std;

G4MuMultipleScattering::G4MuMultipleScattering(const G4String& pnam)
  : G4VMultipleScattering(pnam)
{
  isInitialized = false;  
  SetStepLimitType(fMinimal);
  //SetPolarAngleLimit(CLHEP::twopi);
  //SetRangeFactor(0.2);
}

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G4MuMultipleScattering::~G4MuMultipleScattering()
{}

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G4bool G4MuMultipleScattering::IsApplicable (const G4ParticleDefinition& p)
{
  return (p.GetPDGCharge() != 0.0 && !p.IsShortLived());
}

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void G4MuMultipleScattering::InitialiseProcess(const G4ParticleDefinition*)
{
  // Modification of parameters between runs
  if(isInitialized) return;
  AddEmModel(1, new G4UrbanMscModel90());
  //  AddEmModel(1, new G4WentzelVIModel());
  isInitialized = true;
}

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void G4MuMultipleScattering::PrintInfo()
{
  G4cout << "      RangeFactor= " << RangeFactor()
         << ", step limit type: " << StepLimitType()
         << ", lateralDisplacement: " << LateralDisplasmentFlag()
	 << ", polarAngleLimit(deg)= " << PolarAngleLimit()/degree
         << G4endl;
}

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