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G4UCNMultiScattering Class Reference

#include <G4UCNMultiScattering.hh>

Inheritance diagram for G4UCNMultiScattering:
Collaboration diagram for G4UCNMultiScattering:

Public Member Functions

 G4UCNMultiScattering (const G4String &processName="UCNMultiScattering", G4ProcessType type=fUCN)
 
virtual ~G4UCNMultiScattering ()
 
G4bool IsApplicable (const G4ParticleDefinition &aParticleType)
 
G4double GetMeanFreePath (const G4Track &aTrack, G4double, G4ForceCondition *condition)
 
G4VParticleChangePostStepDoIt (const G4Track &aTrack, const G4Step &aStep)
 
G4ThreeVector Scatter ()
 
- Public Member Functions inherited from G4VDiscreteProcess
 G4VDiscreteProcess (const G4String &, G4ProcessType aType=fNotDefined)
 
 G4VDiscreteProcess (G4VDiscreteProcess &)
 
virtual ~G4VDiscreteProcess ()
 
virtual G4double PostStepGetPhysicalInteractionLength (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
 
virtual G4double AlongStepGetPhysicalInteractionLength (const G4Track &, G4double, G4double, G4double &, G4GPILSelection *)
 
virtual G4double AtRestGetPhysicalInteractionLength (const G4Track &, G4ForceCondition *)
 
virtual G4VParticleChangeAtRestDoIt (const G4Track &, const G4Step &)
 
virtual G4VParticleChangeAlongStepDoIt (const G4Track &, const G4Step &)
 
- Public Member Functions inherited from G4VProcess
 G4VProcess (const G4String &aName="NoName", G4ProcessType aType=fNotDefined)
 
 G4VProcess (const G4VProcess &right)
 
virtual ~G4VProcess ()
 
G4int operator== (const G4VProcess &right) const
 
G4int operator!= (const G4VProcess &right) const
 
G4double GetCurrentInteractionLength () const
 
void SetPILfactor (G4double value)
 
G4double GetPILfactor () const
 
G4double AlongStepGPIL (const G4Track &track, G4double previousStepSize, G4double currentMinimumStep, G4double &proposedSafety, G4GPILSelection *selection)
 
G4double AtRestGPIL (const G4Track &track, G4ForceCondition *condition)
 
G4double PostStepGPIL (const G4Track &track, G4double previousStepSize, G4ForceCondition *condition)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void PreparePhysicsTable (const G4ParticleDefinition &)
 
virtual G4bool StorePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
 
virtual G4bool RetrievePhysicsTable (const G4ParticleDefinition *, const G4String &, G4bool)
 
const G4StringGetPhysicsTableFileName (const G4ParticleDefinition *, const G4String &directory, const G4String &tableName, G4bool ascii=false)
 
const G4StringGetProcessName () const
 
G4ProcessType GetProcessType () const
 
void SetProcessType (G4ProcessType)
 
G4int GetProcessSubType () const
 
void SetProcessSubType (G4int)
 
virtual void StartTracking (G4Track *)
 
virtual void EndTracking ()
 
virtual void SetProcessManager (const G4ProcessManager *)
 
virtual const G4ProcessManagerGetProcessManager ()
 
virtual void ResetNumberOfInteractionLengthLeft ()
 
G4double GetNumberOfInteractionLengthLeft () const
 
G4double GetTotalNumberOfInteractionLengthTraversed () const
 
G4bool isAtRestDoItIsEnabled () const
 
G4bool isAlongStepDoItIsEnabled () const
 
G4bool isPostStepDoItIsEnabled () const
 
virtual void DumpInfo () const
 
void SetVerboseLevel (G4int value)
 
G4int GetVerboseLevel () const
 
virtual void SetMasterProcess (G4VProcess *masterP)
 
const G4VProcessGetMasterProcess () const
 
virtual void BuildWorkerPhysicsTable (const G4ParticleDefinition &part)
 
virtual void PrepareWorkerPhysicsTable (const G4ParticleDefinition &)
 

Additional Inherited Members

- Static Public Member Functions inherited from G4VProcess
static const G4StringGetProcessTypeName (G4ProcessType)
 
- Protected Member Functions inherited from G4VProcess
void SubtractNumberOfInteractionLengthLeft (G4double previousStepSize)
 
void ClearNumberOfInteractionLengthLeft ()
 
- Protected Attributes inherited from G4VProcess
const G4ProcessManageraProcessManager
 
G4VParticleChangepParticleChange
 
G4ParticleChange aParticleChange
 
G4double theNumberOfInteractionLengthLeft
 
G4double currentInteractionLength
 
G4double theInitialNumberOfInteractionLength
 
G4String theProcessName
 
G4String thePhysicsTableFileName
 
G4ProcessType theProcessType
 
G4int theProcessSubType
 
G4double thePILfactor
 
G4bool enableAtRestDoIt
 
G4bool enableAlongStepDoIt
 
G4bool enablePostStepDoIt
 
G4int verboseLevel
 

Detailed Description

Definition at line 66 of file G4UCNMultiScattering.hh.

Constructor & Destructor Documentation

G4UCNMultiScattering::G4UCNMultiScattering ( const G4String processName = "UCNMultiScattering",
G4ProcessType  type = fUCN 
)

Definition at line 69 of file G4UCNMultiScattering.cc.

71  : G4VDiscreteProcess(processName, type)
72 {
73  if (verboseLevel>0) G4cout << GetProcessName() << " is created " << G4endl;
74 
76 }
G4int verboseLevel
Definition: G4VProcess.hh:368
G4GLOB_DLL std::ostream G4cout
void SetProcessSubType(G4int)
Definition: G4VProcess.hh:432
const G4String & GetProcessName() const
Definition: G4VProcess.hh:408
#define G4endl
Definition: G4ios.hh:61

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G4UCNMultiScattering::~G4UCNMultiScattering ( )
virtual

Definition at line 86 of file G4UCNMultiScattering.cc.

86 {}

Member Function Documentation

G4double G4UCNMultiScattering::GetMeanFreePath ( const G4Track aTrack,
G4double  ,
G4ForceCondition condition 
)
virtual

Implements G4VDiscreteProcess.

Definition at line 118 of file G4UCNMultiScattering.cc.

121 {
122  G4double AttenuationLength = DBL_MAX;
123 
124  const G4Material* aMaterial = aTrack.GetMaterial();
125  G4MaterialPropertiesTable* aMaterialPropertiesTable =
126  aMaterial->GetMaterialPropertiesTable();
127 
128  G4double crossect = 0.0;
129  if (aMaterialPropertiesTable) {
130  crossect = aMaterialPropertiesTable->GetConstProperty("SCATCS");
131 // if(crossect == 0.0)
132 // G4cout << "No UCN MultiScattering length specified" << G4endl;
133  }
134 // else G4cout << "No UCN MultiScattering length specified" << G4endl;
135 
136  if (crossect) {
137 
138  // Calculate a UCN MultiScattering length for this cross section
139 
140  G4double density = aMaterial->GetTotNbOfAtomsPerVolume();
141 
142  crossect *= barn;
143 
144  // attenuation length in mm
145  AttenuationLength = 1./density/crossect;
146  }
147 
148  return AttenuationLength;
149 }
G4Material * GetMaterial() const
G4double GetTotNbOfAtomsPerVolume() const
Definition: G4Material.hh:209
G4MaterialPropertiesTable * GetMaterialPropertiesTable() const
Definition: G4Material.hh:252
double G4double
Definition: G4Types.hh:76
static constexpr double barn
Definition: G4SIunits.hh:105
#define DBL_MAX
Definition: templates.hh:83
G4double GetConstProperty(const char *key) const

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G4bool G4UCNMultiScattering::IsApplicable ( const G4ParticleDefinition aParticleType)
inlinevirtual

Reimplemented from G4VProcess.

Definition at line 116 of file G4UCNMultiScattering.hh.

117 {
118  return ( &aParticleType == G4Neutron::NeutronDefinition() );
119 }
static G4Neutron * NeutronDefinition()
Definition: G4Neutron.cc:99

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G4VParticleChange * G4UCNMultiScattering::PostStepDoIt ( const G4Track aTrack,
const G4Step aStep 
)
virtual

Reimplemented from G4VDiscreteProcess.

Definition at line 96 of file G4UCNMultiScattering.cc.

97 {
99 
100  if ( verboseLevel > 0 ) G4cout << "UCNMULTISCATTER at: "
101  << aTrack.GetProperTime()/s << "s, "
102  << aTrack.GetGlobalTime()/s << "s. "
103  << ", after track length " << aTrack.GetTrackLength()/cm << "cm, "
104  << "in volume "
106  << G4endl;
107 
108  G4ThreeVector scattered = Scatter();
109 
111 
112  return G4VDiscreteProcess::PostStepDoIt(aTrack, aStep);
113 }
G4int verboseLevel
Definition: G4VProcess.hh:368
G4double GetProperTime() const
const XML_Char * s
Definition: expat.h:262
G4GLOB_DLL std::ostream G4cout
G4VPhysicalVolume * GetPhysicalVolume() const
const G4String & GetName() const
static constexpr double cm
Definition: G4SIunits.hh:119
G4double GetGlobalTime() const
G4double GetTrackLength() const
virtual void Initialize(const G4Track &)
G4StepPoint * GetPostStepPoint() const
G4ParticleChange aParticleChange
Definition: G4VProcess.hh:289
#define G4endl
Definition: G4ios.hh:61
void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
virtual G4VParticleChange * PostStepDoIt(const G4Track &, const G4Step &)

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G4ThreeVector G4UCNMultiScattering::Scatter ( )

Definition at line 151 of file G4UCNMultiScattering.cc.

152 {
153 
154  G4ThreeVector final(0.,0.,1.);
155 
156  // Make a simple uniform distribution in 4 pi
157  // apply scattering, calculate angle phi, theta
158 
159  G4double theta = std::acos(2*G4UniformRand()-1);
160  G4double phi = G4UniformRand() * 2 * pi;
161 
162  final.rotateY(theta);
163  final.rotateZ(phi);
164  final = final.unit();
165 
166  return final;
167 }
#define G4UniformRand()
Definition: Randomize.hh:97
static constexpr double pi
Definition: G4SIunits.hh:75
double G4double
Definition: G4Types.hh:76

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The documentation for this class was generated from the following files: