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Geant4 tutorial course

Mar 25 – 29, 2024
Jefferson Lab
US/Eastern timezone

Session

Tutorial

Mar 25, 2024, 9:30 AM
CEBAF Center room F113 (Jefferson Lab)

CEBAF Center room F113

Jefferson Lab

Presentation materials

There are no materials yet.

  1. 2. Welcome and tutorial introduction
    Amber Boehnlein (JLAB), Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/25/24, 9:30 AM
  2. 3. Introduction to detector simulation
    Dennis Wright (Geant4 AI)
    3/25/24, 9:45 AM
    • Basics of Monte Carlo method
    • Monte Carlo particle transport
    • Variance reduction techniques
    Go to contribution page
  3. 4. Kernel 1
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/25/24, 10:15 AM
    • General introduction and brief history
    • Geant4 license
    • Geant4 kernel
    • User classes
    Go to contribution page
  4. 5. User documents and examples
    Dennis Wright (Geant4 AI)
    3/25/24, 11:20 AM
    • User guides
    • Basic, extended and advanced examples
    • User forum and mailing list
    • Code browser
    • Technical forum
    Go to contribution page
  5. 6. User interface 1
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/25/24, 12:00 PM
    • Basics of UI commands
    • Macro file
    • Alias and loop
    • Some useful UI commands
    Go to contribution page
  6. 8. Physics overview 1
    Dennis Wright (Geant4 AI)
    3/25/24, 1:30 PM
    • Introduction
    • Overview of Geant4 physics
    • Physics list
    Go to contribution page
  7. 13. Physics overview 2
    Mihaly Novak (CERN)
    3/25/24, 2:00 PM
    • Process in Geant4
    • Stepping mechanism
    • Production threshold
    Go to contribution page
  8. 7. Visualization
    Maurizio Ungaro (Jefferson Lab)
    3/25/24, 2:30 PM
    • Basics of visualization
    • UI commands for visualization
    Go to contribution page
  9. 10. Material definition
    Mihaly Novak (CERN)
    3/26/24, 9:00 AM
    • Introduction
    • Material definition
    • NIST material database
    Go to contribution page
  10. 11. Geometry 1
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/26/24, 9:30 AM
    • Introduction
    • G4VUserDetectorDefinition class
    • Solid and shape
    • Logical volume
    • Region
    • Physical volume
    • Palcement
    Go to contribution page
  11. 15. Geometry 2
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/26/24, 10:50 AM
    • Various ways of defining physical volume -Parameterized volume
      -- Replicated volume
      -- Divided volume
      -- Nested parameterization
      -- Assembly volume
      -- Reflection volume
    • Touchable
    • Geometry checking tools
    • Geometry optimization
    Go to contribution page
  12. 14. Analysis
    Maurizio Ungaro (Jefferson Lab)
    3/26/24, 11:50 AM
    • Introduction
    • G4AnalysisManager
    • Histogram, plot, n-tuple
    • UI commands for analysis
    Go to contribution page
  13. 12. Scoring 1
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/26/24, 1:30 PM
    • Built-in command-based scorers
    • Box and cylindrical scoring meshes
    • Assigning scorers to real-world volumes
    • Probe scorers
    • Filling histograms through scorers
    Go to contribution page
  14. 35. Physics overview 3
    Dennis Wright (Geant4 AI)
    3/26/24, 2:00 PM
    • Decay processes
    • Optical photon and optical processes
    • Phonons and channeling
    Go to contribution page
  15. 9. Primary particle
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/26/24, 2:30 PM
    • Introduction
    • Built-in primary particle generators
    • Pre-assigned decay
    Go to contribution page
  16. 16. Geometry 3
    Dennis Wright (Geant4 AI)
    3/27/24, 9:00 AM
    • Introduction to field
    • Field implementation
    • Field integration
    • Customizing field integration
    Go to contribution page
  17. 17. EM physics 1
    Mihaly Novak (CERN)
    3/27/24, 9:30 AM
    • Overview
    • EM processes and stepping
    • Multiple scattering and transportation
    • Special EM topics
      -- EM models per region
      -- Atomic de-excitation
      -- Energy-loss fluctuation
    Go to contribution page
  18. 18. EM physics 2
    Mihaly Novak (CERN)
    3/27/24, 10:50 AM
    • Low-energy EM models
      -- Livermore, including polarized photon models
      -- Penelope models
      -- Ion ICRU’73 model
      -- Geant4-DNA processes and models (beyond physics)
      -- MicroElec processes and models
      -- Monash University models
    • Physics list settings for low-E EM
    Go to contribution page
  19. 19. Hadronic physics 1
    Maurizio Ungaro (Jefferson Lab)
    3/27/24, 11:40 AM
    • Introduction
    • Cross-section and final state model
    • Pre-compound and de-excitation models
    • Cascade models
    • QCD String models
    Go to contribution page
  20. 20. Hadronic physics 2
    Dennis Wright (Geant4 AI)
    3/27/24, 1:30 PM
    • Elastic processes and models
    • Low-energy neutron and proton models
    • Ion-ion physics
    • Capture, stopping and fission reactions
    Go to contribution page
  21. 21. Scoring 2
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/27/24, 2:15 PM
    • Introduction to detector sensitivity
    • G4SensitiveDetector class
    • Hits and hits collection
    • Touchable
    • G4HCofThisEvent class
    • Accumulating scores for a run
    Go to contribution page
  22. 22. User interface 2
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/28/24, 9:00 AM
    • UI overview
    • Define UI command
    • G4GenericMessenger class
    • UI command in multithreaded mode
    Go to contribution page
  23. 23. Hadronic physics 3
    Dennis Wright (Geant4 AI)
    3/28/24, 9:40 AM
    • Gamma-nuclear models
    • Lepto-nuclear models
    • Radioactive decay
    Go to contribution page
  24. 24. Geometry 4
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/28/24, 10:10 AM
    • GDML and CAD interface
    • Parallel world and layered mass geometry
    • Moving volume
    Go to contribution page
  25. 25. Event Biasing and Fast Simulation
    Dennis Wright (Geant4 AI)
    3/28/24, 11:00 AM
    • Event biasing overview
    • Event biasing methods
    • Fast simulation overview
    • Fast simulation interfaces and example applications
    Go to contribution page
  26. 26. Kernel 2
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/28/24, 11:40 AM
    • User limits
    • Attaching user information to Geant4 classes
    • Stacking mechanism
    Go to contribution page
  27. 27. Choosing physics list
    Mihaly Novak (CERN)
    3/28/24, 3:30 PM
    • Pre-packages physics lists
    • Validation and geant-val
    • Examples
    Go to contribution page
  28. 28. Multithreading and heterogeneous computing
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/28/24, 4:10 PM
    • Multithreading introduction
    • Thread safety and race condition
    • Geant4 multithreading models
    • MPI
    • Examples of Geant4 applications using GPUs
      -- Optical photon transport
      -- EM particle transport
    Go to contribution page
  29. 29. Updating Geant4 installation
    Maurizio Ungaro (Jefferson Lab)
    3/28/24, 4:40 PM
    • Geant4 releases
    • What to look for in the release note
    • How to update
    Go to contribution page
  30. 30. Concluding remarks
    Dr Makoto Asai (Thomas Jefferson National Accelerator Facility)
    3/28/24, 4:55 PM
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