Gabriele Cosmo
269 lines
10 KiB
C++
269 lines
10 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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//
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// History: first implementation, based on object model of
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// 2nd December 1995, G.Cosmo
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// ---------- G4hEnergyLoss physics process -----------
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// by Laszlo Urban, 30 May 1997
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//
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// ************************************************************
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// It is the first implementation of the NEW UNIFIED ENERGY LOSS PROCESS.
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// It calculates the continuous energy loss for charged hadrons.
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// Processes giving contribution to the continuous loss :
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// ionisation (= cont.ion.loss + delta ray production)
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// can be added more easily ..........
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// This class creates static proton/antiproton dE/dx and range tables ,
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// which tables can be used by other processes.
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// The energy loss for other charged hadrons is calculated from the p/pbar
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// tables with scaled kinetic energy.
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//
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// 7/10/98 L.Urban some bugs fixed + some cleanup
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// 22/10/98 L.Urban cleanup
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// 02/02/99 L.Urban several bugs fixed
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// 31/03/00 V.Ivanchenko rename to lowenergy as G4hLowEnergyLoss.hh
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// 09/08/00 V.Ivanchenko remove GetContinuousStepLimit and IsApplicable
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// 23/11/01 V.Ivanchenko Move static member-functions from header to source
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// 22/01/03 V.Ivanchenko Cuts per region
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// 18/04/03 V.Ivanchenko Make dRoverRange protected
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//
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// 31 Jul 2008 MGP Short term supply of energy loss of hadrons through clone of
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// former G4hLowEnergyLoss (with some initial cleaning)
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// To be replaced by reworked class to deal with condensed/discrete
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// issues properly
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//
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// --------------------------------------------------------------
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// Class description:
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// Short term supply of energy loss of hadrons through clone of former G4hLowEnergyLoss
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// (with some initial cleaning)
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// To be replaced by reworked class to deal with condensed/discrete issues properly
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// --------------------------------------------------------------
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#ifndef G4HRDENERGYLOSS_HH
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#define G4HRDENERGYLOSS_HH 1
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#include "G4ios.hh"
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#include "globals.hh"
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#include "Randomize.hh"
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#include "G4VContinuousDiscreteProcess.hh"
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#include "G4Material.hh"
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#include "G4Element.hh"
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#include "G4Proton.hh"
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#include "G4AntiProton.hh"
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#include "G4Electron.hh"
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#include "G4VParticleChange.hh"
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#include "G4Track.hh"
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#include "G4Step.hh"
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#include "G4PhysicsLogVector.hh"
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#include "G4PhysicsLinearVector.hh"
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class G4EnergyLossMessenger;
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class G4hRDEnergyLoss : public G4VContinuousDiscreteProcess
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{
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public:
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G4hRDEnergyLoss(const G4String& );
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~G4hRDEnergyLoss();
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virtual G4double GetMeanFreePath(
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const G4Track& track,
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G4double previousStepSize,
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enum G4ForceCondition* condition
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) = 0 ;
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virtual G4VParticleChange* PostStepDoIt(const G4Track& track,
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const G4Step& Step) = 0 ;
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// ---- MGP ---- All this static stuff is expected to disappear in a future
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// development cycle
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// get the number of processes contributing to the cont.energy loss
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static G4int GetNumberOfProcesses();
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// set the number of processes contributing to the cont.energy loss
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static void SetNumberOfProcesses(G4int number);
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// Increment the number of processes contributing to the cont.energy loss
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static void PlusNumberOfProcesses();
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// decrement the number of processes contributing to the cont.energy loss
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static void MinusNumberOfProcesses();
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static void SetdRoverRange(G4double value);
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static void SetRndmStep (G4bool value);
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static void SetEnlossFluc (G4bool value);
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static void SetStepFunction (G4double c1, G4double c2);
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protected:
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G4bool CutsWhereModified();
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// G4Material *lastMaterial ;
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const G4double MaxExcitationNumber ;
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const G4double probLimFluct ;
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const long nmaxDirectFluct,nmaxCont1,nmaxCont2 ;
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static void BuildDEDXTable(const G4ParticleDefinition& aParticleType);
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protected:
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static G4ThreadLocal G4PhysicsTable* theDEDXpTable ;
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static G4ThreadLocal G4PhysicsTable* theDEDXpbarTable ;
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static G4ThreadLocal G4PhysicsTable* theRangepTable ;
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static G4ThreadLocal G4PhysicsTable* theRangepbarTable ;
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//inverse of the range tables
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static G4ThreadLocal G4PhysicsTable* theInverseRangepTable ;
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static G4ThreadLocal G4PhysicsTable* theInverseRangepbarTable ;
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//lab and proper time tables
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static G4ThreadLocal G4PhysicsTable* theLabTimepTable ;
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static G4ThreadLocal G4PhysicsTable* theLabTimepbarTable ;
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static G4ThreadLocal G4PhysicsTable* theProperTimepTable ;
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static G4ThreadLocal G4PhysicsTable* theProperTimepbarTable ;
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// processes inherited from G4hRDEnergyLoss
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// register themselves in the static array Recorder
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static G4ThreadLocal G4PhysicsTable** RecorderOfpProcess;
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static G4ThreadLocal G4PhysicsTable** RecorderOfpbarProcess;
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static G4ThreadLocal G4int CounterOfpProcess ;
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static G4ThreadLocal G4int CounterOfpbarProcess ;
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// particle mass
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static G4ThreadLocal G4double ParticleMass ;
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// cut in range
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static G4ThreadLocal G4double ptableElectronCutInRange;
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static G4ThreadLocal G4double pbartableElectronCutInRange;
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static G4ThreadLocal G4double Charge ;
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static G4ThreadLocal G4double LowestKineticEnergy;
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static G4ThreadLocal G4double HighestKineticEnergy;
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static G4ThreadLocal G4int TotBin; // number of bins in table,
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// calculated in BuildPhysicsTable
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static G4ThreadLocal G4double RTable,LOGRTable; // LOGRTable=std::log(HighestKineticEnergy
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// /LowestKineticEnergy)/TotBin
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// RTable = std::exp(LOGRTable)
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G4PhysicsTable* theLossTable ;
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G4double linLossLimit ;
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G4double MinKineticEnergy ;
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static G4ThreadLocal G4double dRoverRange ; // maximum allowed deltarange/range
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// in one step
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static G4ThreadLocal G4double finalRange ; // last step before stop
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static G4ThreadLocal G4double c1lim,c2lim,c3lim ; // coeffs for computing steplimit
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static G4ThreadLocal G4bool rndmStepFlag ;
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static G4ThreadLocal G4bool EnlossFlucFlag ;
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private:
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// hide assignment operator
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G4hRDEnergyLoss(G4hRDEnergyLoss &);
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G4hRDEnergyLoss & operator=(const G4hRDEnergyLoss &right);
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// variables for the integration routines
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static G4ThreadLocal G4double Mass,taulow,tauhigh,ltaulow,ltauhigh;
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// ====================================================================
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// static part of the class
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static void BuildRangeTable(const G4ParticleDefinition& aParticleType);
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static void BuildInverseRangeTable(const G4ParticleDefinition& aParticleType);
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static void BuildTimeTables(const G4ParticleDefinition& aParticleType);
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static void BuildLabTimeVector(G4int materialIndex,
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G4PhysicsLogVector* rangeVector);
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static void BuildProperTimeVector(G4int materialIndex,
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G4PhysicsLogVector* rangeVector);
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static void InvertRangeVector(G4int materialIndex,
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G4PhysicsLogVector* rangeVector);
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static void BuildRangeVector(G4int materialIndex,
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G4PhysicsLogVector* rangeVector);
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static G4double LabTimeIntLog(G4PhysicsVector* physicsVector, G4int nbin);
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static G4double ProperTimeIntLog(G4PhysicsVector* physicsVector, G4int nbin);
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static G4double RangeIntLin(G4PhysicsVector* physicsVector, G4int nbin);
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static G4double RangeIntLog(G4PhysicsVector* physicsVector, G4int nbin);
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static void BuildRangeCoeffATable( const G4ParticleDefinition& aParticleType);
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static void BuildRangeCoeffBTable( const G4ParticleDefinition& aParticleType);
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static void BuildRangeCoeffCTable(const G4ParticleDefinition& aParticleType);
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// ====================================================================
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static G4ThreadLocal G4PhysicsTable* theDEDXTable;
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static G4ThreadLocal G4PhysicsTable* theRangeTable;
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static G4ThreadLocal G4PhysicsTable* theInverseRangeTable;
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static G4ThreadLocal G4PhysicsTable* theLabTimeTable;
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static G4ThreadLocal G4PhysicsTable* theProperTimeTable;
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static G4ThreadLocal G4PhysicsTable** RecorderOfProcess;
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static G4ThreadLocal G4int CounterOfProcess;
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static G4ThreadLocal G4PhysicsTable* thepRangeCoeffATable;
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static G4ThreadLocal G4PhysicsTable* thepRangeCoeffBTable;
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static G4ThreadLocal G4PhysicsTable* thepRangeCoeffCTable;
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static G4ThreadLocal G4PhysicsTable* thepbarRangeCoeffATable;
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static G4ThreadLocal G4PhysicsTable* thepbarRangeCoeffBTable;
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static G4ThreadLocal G4PhysicsTable* thepbarRangeCoeffCTable;
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static G4ThreadLocal G4PhysicsTable* theRangeCoeffATable;
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static G4ThreadLocal G4PhysicsTable* theRangeCoeffBTable;
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static G4ThreadLocal G4PhysicsTable* theRangeCoeffCTable;
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static G4ThreadLocal G4int NumberOfProcesses ;
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};
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#endif
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