Import Geant4 9.1.0 source tree
This commit is contained in:
Gabriele Cosmo
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$Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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$Id: README,v 1.21 2007/11/28 12:37:56 maire Exp $
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-----------------------------------------------------
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=========================================================
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@@ -27,8 +27,23 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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The default geometry is constructed in DetectorConstruction class, but all the
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parameters can be changed via commands defined in the DetectorMessenger class.
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The parameters of the "World" can be changed, too.
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2- AN EVENT : THE PRIMARY GENERATOR
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2- PHYSICS LIST
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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
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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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3- AN EVENT : THE PRIMARY GENERATOR
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The primary kinematic consists of a single particle which hits the absorber
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perpendicular to the input face. The type of the particle and its energy are
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@@ -38,7 +53,7 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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In addition one can choose randomly the impact point of the incident particle.
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The interactive command is built in PrimaryGeneratorMessenger class.
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3- VISUALIZATION
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4- VISUALIZATION
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The Visualization Manager is set in the main().
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The initialisation of the drawing is done via the commands in vis.mac
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@@ -51,7 +66,7 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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Optionaly one can choose to draw all particles, only the charged, or none.
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This command is defined in EventActionMessenger class.
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4- TRACKING
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5- TRACKING
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During the tracking, one can keep or not the secondaries : see StackingAction
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class and its Messenger.
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@@ -59,7 +74,7 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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this limitation is implemented as a 'full' process : see StepMax class and its
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Messenger. The 'StepMax process' is registered in the Physics List.
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5- DETECTOR RESPONSE
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6- DETECTOR RESPONSE
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At the end of a run, from the histogram(s), one can study different
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physics quantities such as :
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@@ -69,10 +84,10 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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- transmission and backscattering coefficients,
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- ...
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List of the built-in histograms
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-------------------------------
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7- List of the built-in histograms
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----------------------------------
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The test contains 16 built-in 1D histograms, which are managed by the
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The test contains more than 20 built-in 1D histograms, which are managed by the
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HistoManager class and its Messenger. The histos can be individually activated
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with the command :
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/testem/histo/setHisto id nbBins valMin valMax unit
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@@ -82,34 +97,45 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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1 "energy deposit in absorber"
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2 "energy of charged secondaries at creation"
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3 "energy of gammas at creation (log10(Ekin/MeV))"
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4 "(transmit, charged) : kinetic energy at exit"
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5 "(transmit, charged) : space angle at exit"
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6 "(transmit, charged) : projected angle at exit"
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7 "(transmit, charged) : projected position at exit"
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8 "(transmit, neutral) : kinetic energy at exit"
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9 "(transmit, neutral) : space angle at exit"
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10 "(transmit, neutral) : projected angle at exit"
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11 "(reflect , charged) : kinetic energy at exit"
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12 "(reflect , charged) : space angle at exit"
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13 "(reflect , charged) : projected angle at exit"
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14 "(reflect , neutral) : kinetic energy at exit"
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15 "(reflect , neutral) : space angle at exit"
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16 "(reflect , neutral) : projected angle at exit"
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4 "x_vertex of charged secondaries (all)"
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5 "x_vertex of charged secondaries (not absorbed)"
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10 "(transmit, charged) : kinetic energy at exit"
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11 "(transmit, charged) : ener fluence: dE(MeV)/dOmega"
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12 "(transmit, charged) : space angle dN/dOmega"
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13 "(transmit, charged) : projected angle at exit"
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14 "(transmit, charged) : projected position at exit"
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15 "(transmit, charged) : radius at exit"
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20 "(transmit, neutral) : kinetic energy at exit"
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21 "(transmit, neutral) : ener fluence: dE(MeV)/dOmega"
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22 "(transmit, neutral) : space angle dN/dOmega"
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23 "(transmit, neutral) : projected angle at exit"
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30 "(reflect , charged) : kinetic energy at exit"
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31 "(reflect , charged) : ener fluence: dE(MeV)/dOmega"
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32 "(reflect , charged) : space angle dN/dOmega"
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33 "(reflect , charged) : projected angle at exit"
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40 "(reflect , neutral) : kinetic energy at exit"
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41 "(reflect , neutral) : ener fluence: dE(MeV)/dOmega"
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42 "(reflect , neutral) : space angle dN/dOmega"
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43 "(reflect , neutral) : projected angle at exit"
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The histograms can be viewed using PAW. See below the note on ANAPHE+AIDA.
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One can control the name of the histograms file with the command:
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/testem/histo/setFileName name (default testem5.hbook)
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It is also possible to print selected histograms on an ascii file:
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/testem/histo/printHisto id
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All selected histos will be written on a file name.ascii (default testem5)
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Note that, by default, histograms are disabled. To activate them, uncomment
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the flag G4ANALYSIS_USE in GNUmakefile.
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6- GEANT4/GEANT3/DATA COMPARISON
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8- GEANT4/GEANT3/DATA COMPARISON
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A Geant4/Geant3/exp. data comparison is given here for a few cases.
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These cases can be classified as follow:
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- e-/e+ incident particles versus protons and others.
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- 3 energy regimes : low: < 1 MeV; medium: 1MeV -> few 10 MeV; high: > 100 MeV
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- 3 energy regimes: low: < 1MeV; medium: 1MeV -> few 10MeV; high: > 100MeV
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We indicate here the corresponding macros.
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@@ -127,7 +153,7 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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The relevant part of the GEANT3 code is in the subdirectory geant3 together
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with the xxxx.dat input files.
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7- HOW TO START ?
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9- HOW TO START ?
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- compile and link to generate an executable
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% cd TestEm5
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@@ -143,7 +169,7 @@ $Id: README,v 1.16 2006/05/30 12:36:46 maire Exp $
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Idle> run/beamOn 5
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....
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8- USING HISTOGRAMS
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10- USING HISTOGRAMS
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Note that, by default, histograms are disabled. To activate them, uncomment
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the flag G4ANALYSIS_USE in GNUmakefile.
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