// // ******************************************************************** // * 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: G4MultipleScattering.cc,v 1.77 2009/11/01 13:05:01 vnivanch Exp $ // GEANT4 tag $Name: geant4-09-03 $ // // ----------------------------------------------------------------------------- // // GEANT4 Class file // // File name: G4MultipleScattering // // Author: Laszlo Urban // // Creation date: March 2001 // // 16/05/01 value of cparm changed , L.Urban // 18/05/01 V.Ivanchenko Clean up against Linux ANSI compilation // 07/08/01 new methods Store/Retrieve PhysicsTable (mma) // 23-08-01 new angle and z distribution,energy dependence reduced, // Store,Retrieve methods commented out temporarily, L.Urban // 27-08-01 in BuildPhysicsTable:aParticleType.GetParticleName()=="mu+" (mma) // 28-08-01 GetContinuousStepLimit and AlongStepDoIt moved from .icc file (mma) // 03-09-01 value of data member factlim changed, L.Urban // 10-09-01 small change in GetContinuousStepLimit, L.Urban // 11-09-01 G4MultipleScatteringx put as default G4MultipleScattering // store/retrieve physics table reactivated (mma) // 13-09-01 corr. in ComputeTransportCrossSection, L.Urban // 14-09-01 protection in GetContinuousStepLimit, L.Urban // 17-09-01 migration of Materials to pure STL (mma) // 27-09-01 value of data member factlim changed, L.Urban // 31-10-01 big fixed in PostStepDoIt,L.Urban // 17-04-02 NEW angle distribution + boundary algorithm modified, L.Urban // 22-04-02 boundary algorithm modified -> important improvement in timing // 24-04-02 some minor changes in boundary algorithm, L.Urban // 06-05-02 bug fixed in GetContinuousStepLimit, L.Urban // 24-05-02 changes in angle distribution and boundary algorithm, L.Urban // 11-06-02 bug fixed in ComputeTransportCrossSection, L.Urban // 12-08-02 bug fixed in PostStepDoIt (lateral displacement), L.Urban // 15-08-02 new angle distribution, L.Urban // 26-09-02 angle distribution + boundary algorithm modified, L.Urban // 15-10-02 temporary fix for proton scattering // 30-10-02 modified angle distribution,mods in boundary algorithm, // changes in data members, L.Urban // 11-12-02 precision problem in ComputeTransportCrossSection // for small Tkin/for heavy particles cured from L.Urban // 20-01-03 Migrade to cut per region (V.Ivanchenko) // 05-02-03 changes in data members, new sampling for geom. // path length, step dependence reduced with new // method // 28-03-03 Move to model design (V.Ivanchenko) // 08-08-03 STD substitute standard (V.Ivanchenko) // 23-04-04 value of data member dtrl changed from 0.15 to 0.05 (L.Urban) // 17-08-04 name of facxsi changed to factail (L.Urban) // 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivantchenko) // 07-02-05 correction in order to have a working Setsamplez function (L.Urban) // 15-04-05 optimize internal interface (V.Ivanchenko) // 12-09-05 new TruePathLengthLimit - facrange works for every track from // start, geometry also influences the limit // 02-10-05 conditions limiting the step are finalized + code cleaning (L.Urban) // 03-10-05 weaker step limitation for Tkin > Tlimit (L.Urban) // 05-10-05 value of data member tlimitmin has been changed (L.Urban) // 06-10-05 correction in TruePathLengthLimit, timing improved.(L.Urban) // 07-10-05 bug fixed in TruePathLengthLimit (L.Urban) // 11-10-05 change in TruePathLengthLimit conditions,slightly better // timing and much weaker cut dependence (L.Urban) // 13-10-05 move SetFacrange(0.02) from InitialiseProcess to constructor // 23-10-05 new Boolean data member prec (false ~ 7.1 like, true new step // limit in TruePathLengthLimit, L.Urban) // 25-10-05 prec renamed to steppingAlgorithm, set function triggers // 'default' facrange too, true - 0.02, false - 0.2 (L.Urban) // 26-10-05 the above is put in the function MscStepLimitation() (mma) // 05-11-05 tlimitmin = facrange*rungecut (instead of a fixed value)L.Urban // 13-11-05 some code cleaning, slightly better timing (L.Urban) // 01-12-05 add control on verbosity in SetMscStepLimitation // 06-12-05 tlimitmin = facrange*rangecut(e-) for every particle // 07-12-05 volume name World removed, rangecut computed using index // instead of particle name L.Urban // 08-12-05 world is now: navigator->GetWorldVolume() L.Urban // 11-12-05 data member rangecut removed, steplimit does not depend // on cut any more (L.Urban) // 17-01-06 value of data member factail changed (1. --> 0.75), // value of facgeom is 3.5 instead of 4 (L.Urban) // 19-01-07 tlimitmin = facrange*50*micrometer, i.e. it depends on the // value of facrange (L.Urban) // 16-02-06 value of factail changed, samplez = true (L.Urban) // 07-03-06 Create G4UrbanMscModel and move there step limit calculation (VI) // 10-05-06 SetMscStepLimitation at initialisation (V.Ivantchenko) // 11-05-06 values of data members tkinlimit, factail have been // changed (L.Urban) // 13-10-06 data member factail removed, new data member skin // together with set function, data member tkinlimit // changed to lambdalimit (L.Urban) // 20-10-06 default value of skin = 0 (no single scattering), // single scattering for skin > 0, // there is no z sampling by default (L.Urban) // 23-10-06 skin = 1 by default (L.Urban) // 23-11-06 skin = 1 by default for e+-, 0 for other particles (VI) // 12-02-07 skin can be changed via UI command, default skin=1 (VI) // 24-04-07 default skin=0 (temporal protection) (VI) // 11-03-08 use G4VMscModel interface (VI) // // ----------------------------------------------------------------------------- // //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... #include "G4MultipleScattering.hh" #include "G4UrbanMscModel92.hh" #include "G4MscStepLimitType.hh" #include "G4UrbanMscModel.hh" //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... using namespace std; G4MultipleScattering::G4MultipleScattering(const G4String& processName) : G4VMultipleScattering(processName) { isInitialized = false; G4cout << G4endl; G4cout << "!!! G4MultipleScattering class is obsolete and will be removed for the next major Geant4 release !!!" << G4endl; G4cout << "!!! Please use G4eMultipleScattering for e+ and e- !!!" << G4endl; G4cout << "!!! Please use G4MuMultipleScattering for mu+ and mu- !!!" << G4endl; G4cout << "!!! Please use G4hMultipleScattering for hadrons and ions !!!" << G4endl; G4cout << G4endl; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... G4MultipleScattering::~G4MultipleScattering() {} //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... G4bool G4MultipleScattering::IsApplicable (const G4ParticleDefinition& p) { return (p.GetPDGCharge() != 0.0 && !p.IsShortLived()); } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void G4MultipleScattering::InitialiseProcess(const G4ParticleDefinition*) { if(isInitialized) return; // initialisation of parameters - defaults for particles other // than ions can be overwritten by users mscUrban = new G4UrbanMscModel92(); AddEmModel(1,mscUrban); isInitialized = true; /* G4cout << "G4MultipleScattering::InitialiseProcess for " << p->GetParticleName() << " skin= " << Skin() << " SA= " << steppingAlgorithm << G4endl; */ } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... void G4MultipleScattering::PrintInfo() { G4cout << " RangeFactor= " << RangeFactor() << ", step limit type: " << StepLimitType() << ", lateralDisplacement: " << LateralDisplasmentFlag() << ", skin= " << Skin() << ", geomFactor= " << GeomFactor() << G4endl; } //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......