Import Geant4 9.1.0 source tree
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$Id: README,v 1.14 2006/11/22 18:56:20 vnivanch Exp $
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$Id: README,v 1.17 2007/12/04 12:06:28 vnivanch Exp $
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-------------------------------------------------------------------
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=========================================================
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@@ -34,26 +34,36 @@ $Id: README,v 1.14 2006/11/22 18:56:20 vnivanch Exp $
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defined via UI commands : /testem/det/tally...
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2- PHYSICS LIST
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Physics Lists are subdivided on 4 following modules:
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1. "particles" - particle definitions
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2. "general" - decays and transportation
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The following options for EM physics are available:
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- "standard" the best standard EM physics (default)
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- "G4standard" recommended standard EM physics for LHC
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- "G4standard_fast" the best CPU performance standard physics for LHC
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- "Livermore" low-energy EM physics using Livermore data
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- "Penelope" low-energy EM physics implementing Penelope models
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The following EM physics lists are available in this example:
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- "standard" standard EM physics (default)
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- "livermore" low-energy EM physics using Livermore data
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- "penelope" low-energy EM physics implementing Penelope models
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- "standardSS" standard EM physics with single Coulomb scattering
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instead of multiple scattering; G4ionIonisation is
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substituted by G4ionGasIonisation for GenericIons
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- "standardNR" standard EM physics with single Coulomb scattering
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process G4ScreenedNuclearRecoil instead of the
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multiple scattering; the new process was developed
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by M.H. Mendenhall and R.A. Weller from Vanderbuilt
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University and published in NIM B 277 (2005) 420.
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In later Geant4 releases the process will be a part
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of Geant4 source, currently it is released together
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with its mathematical tool c2_functions in current
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example
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Alternatively, the user may use predefined Geant4 builders:
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- "emstandard" G4EmStandardPhysics builder
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- "emstandard_opt1" G4EmStandardPhysics_option1 builder
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- "emstandard_opt2" G4EmStandardPhysics_option2 builder
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See geant4/source/physics_lists/History for details
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Optional components can be added:
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- "elastic" elastic scattering of hadrons
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- "HElastic"
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- "QElastic"
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- "binary" QBBC configuration of hadron inelastic models
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- "binary_ion" Binary ion inelastic models
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Notice that there is an example of definition of a static ion : IonC12
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(see PhysListParticle.cc) and an example of use : ionC12.mac
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- "binary_ion" Binary ion inelastic models
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3- AN EVENT : THE PRIMARY GENERATOR
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