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0004 Geant4 - an Object-Oriented Toolkit for Simulation in HEP
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0006
0007 chem1
0008 -------
0009
0010 This example is provided by the Geant4-DNA collaboration.
0011
0012 These processes and models are further described at:
0013 http://geant4-dna.org
0014
0015 Any report or published results obtained using the Geant4-DNA software shall
0016 cite the following Geant4-DNA collaboration publications:
0017 Phys. Med. 31 (2015) 861-874
0018 Med. Phys. 37 (2010) 4692-4708
0019
0020 How to activate chemistry code.
0021
0022 1 - GEOMETRY DEFINITION
0023
0024 It is a simple box which represents a 'semi infinite' homogeneous medium.
0025
0026 Two parameters define the geometry :
0027 - the material of the box -- for Geant4-DNA it has to be water.
0028 - the full size of the box.
0029
0030 The default geometry is constructed in DetectorConstruction class.
0031
0032 2 - PHYSICS LIST
0033
0034 PhysicsList is Geant4 modular physics list using G4EmDNAPhysics &
0035 G4EmDNAChemistry constructors.
0036
0037 3 - AN EVENT: THE PRIMARY GENERATOR
0038
0039 The primary kinematic consists of a single particle starting at the center of
0040 the box. The type of the particle and its energy are set in the
0041 PrimaryGeneratorAction class, and can be changed via the G4 build-in commands
0042 of G4ParticleGun class.
0043 The chemistry module is triggered in the StackingAction class when all
0044 physical tracks have been processed.
0045
0046 4 - OUTPUT
0047
0048 Physics initialization and the defined reaction table are printed.
0049 G4ITStepManager processes the chemical stage time step after time step.
0050 Chemical reactions are printed.
0051
0052
