Login

Geant4 Advanced Course 2025 @ CERN

3–7 Nov 2025
CERN
Europe/Zurich timezone

Geant4 Training 2025

Contribution List

57 out of 57 displayed
Export to PDF
  1. 49. Welcome and Practicalities
    John Apostolakis (CERN)
    03/11/2025, 14:00
    • Welcome to the course
    • Practical aspects - Zoom, Mattermost, Questions, ...
    Go to contribution page
  2. 1. Overview
    John Apostolakis (CERN)
    03/11/2025, 14:10
    • An overview of the topics covered in the course - and how they fit
    Go to contribution page
  3. 36. Geometry - Part 1
    Dr Gabriele Cosmo (CERN), John Apostolakis (CERN)
    03/11/2025, 14:25
    • Recall: what are solids(shapes), logical & physical volumes
    • Introduction to the types of physical volumes: simple (Placements), and 'complex' ones (Replicated and Parameterised)
    • Replicas
    • Parameterised Volumes
    • Divisions volumes
    • Touchables and Nested parameterisations
    Go to contribution page
  4. 22. Physics: particles and processes
    Vladimir Ivantchenko (CERN)
    03/11/2025, 15:45
    • Particles
    • Ions
    • Processes
    • What happens at a step
    • Order of initialisation and execution
    • Cuts
    • How to prepare custom particle and process
    Go to contribution page
  5. 39. Hadronic Physics - I
    Alberto Ribon (CERN)
    03/11/2025, 17:00

    Introduction (what is it, why we need it, what are the challenges)
    Overview of the hadronic physics framework
    Hadronic cross-sections
    Hadronic final-state models
    Hadronic data libraries

    Go to contribution page
  6. 28. Definition of UI commands
    Makoto Asai
    03/11/2025, 17:45
    • G4UIExecutive
    • Definition of custom UI commands
    Go to contribution page
  7. 21. Magnetic Field
    John Apostolakis (CERN)
    04/11/2025, 14:00
    • Magnetic field
    • Field integration and other types of field
    • Steppers & Interpolation
    Go to contribution page
  8. 23. Electromagnetic physics
    Vladimir Ivantchenko (CERN)
    04/11/2025, 14:45
    • Energy loss
    • Cuts per region
    • Models per region
    • Atomic de-excitation
    • Multiple and single scattering
    • Documentation for electromagnetic physics
    Go to contribution page
  9. 50. Questions and/or Homework from Day 1
    04/11/2025, 15:40

    Questions from exercises / topics of Day 1

    Go to contribution page
  10. 17. Multithreading - Part 1
    John Apostolakis (CERN)
    04/11/2025, 16:10
    • Why use multi-threading in Geant4
    • What data is shared between threads
    • User commands to control threading and regular and error output
    • User code / actions in multi-threaded (MT) mode
    Go to contribution page
  11. 16. Additional User classes
    Makoto Asai
    04/11/2025, 17:00
    • User limits
    • User information classes
    • Stack management
    Go to contribution page
  12. 48. Discussion
    John Apostolakis (CERN)
    04/11/2025, 17:30

    Magnetic & other fields, EM physics, Multi-threading, User Classes

    Go to contribution page
  13. 30. Fast Simulation
    Alberto Ribon (CERN), Anna Zaborowska (CERN)
    05/11/2025, 14:00
    • Fast parameterised simulation
    • G4VFastSimulationModel
    • G4FastSimulationManagerProcess
    • Use of "Ghost" volumes
    • Techniques of fast simulation
    Go to contribution page
  14. 18. Hadronics physics II
    Alberto Ribon (CERN)
    05/11/2025, 14:40
    • Pre-compound and de-excitation models
    • Intra-nuclear cascade models (Bertini, Binary, Liege (INCL))
    • String models (Fritiof, Quark Gluon String)
    • Capture/stopping models
    • Fission models
    • Elastic process
    • Neutron physics
    • Ion physics
    Go to contribution page
  15. 56. Hadronic Physics II (continued)
    05/11/2025, 15:50
  16. 10. Geometry - Part 2
    Dr Gabriele Cosmo (CERN), John Apostolakis (CERN)
    05/11/2025, 16:15
    • Geometrical regions
    • Geometry optimization
    • Parallel geometries
    • Moving geometries
    • CAD interface
    • Tips & Tricks
    Go to contribution page
  17. 6. Scoring
    Makoto Asai
    05/11/2025, 17:00
    • Introduction to Scoring
    • Command-based scoring
    • Sensitive detector vs. primitive scorer
    • Basic structure of detector sensitivity
    • Sensitive detectors and hits
    Go to contribution page
  18. 40. Discussion on UI, user actions and scoring
    Makoto Asai (Jefferson Lab (USA))
    05/11/2025, 17:40
    • UI commands
    • User actions
    • Scoring
    Go to contribution page
  19. 24. Electromagnetic physics II - Optical Photons
    Alexander Howard (Imperial College (GB))
    06/11/2025, 14:00

    Optical photons - generation, propagation and their physics processes

    Go to contribution page
  20. 37. Discussion
    06/11/2025, 14:45

    Your (further questions) about
    - EM Physics II (photons)
    - User Action classes

    Go to contribution page
  21. 53. Homework / questions from Day 3
    06/11/2025, 15:00
  22. 57. Multi-threading - Part 2
    John Apostolakis (CERN)
    06/11/2025, 15:45

    Topics:
    • The challenge of MT : thread safety
    • Reading input file in multithreaded mode
    • Initialising ‘optimization’ voxels in parallel

    Go to contribution page
  23. 52. Questions & Answers - your topics
    06/11/2025, 16:20
  24. 13. Physics Lists
    Alberto Ribon (CERN), Gunter Folger
    07/11/2025, 14:00
    • Introduction to Physics Lists
    • The Geant4 Physics List interface
    • Using pre-packaged physics lists
    • How to choose a physics list
    • Examples
    Go to contribution page
  25. 33. Physics Biasing
    Alberto Ribon (CERN)
    07/11/2025, 14:40

    Physics biasing techniques

    Go to contribution page
  26. 29. Event Biasing
    Marc Verderi (Centre National de la Recherche Scientifique (FR))
    07/11/2025, 15:20
    • Introduction
    • Early Provided Biasing Options
    • Primary Particle Biasing
    • Options In Hadronic
    • Geometry-based importance biasing
    • Weight Window Technique
    • User defined biasing
    • Reverse Monte-Carlo
    • Generic Biasing Scheme
    Go to contribution page
  27. 55. Homework / questions from Day 4
    07/11/2025, 16:20
  28. 35. Questions & Answers
    07/11/2025, 16:40

    General discussion
    Answers on topics raised on Mattermost

    Go to contribution page
  29. 43. Additional User classes (repeat)
    John Apostolakis (CERN), Makoto Asai (Jefferson Lab (USA))
    • User limits
    • User information classes
    • Stack management
    Go to contribution page
  30. 31. Afternoon Session 1
  31. 32. Afternoon Session 2
  32. 42. Definition of UI commands (repeat of morning)
    John Apostolakis (CERN), Makoto Asai (Jefferson Lab (USA))
    • G4UIExecutive
    • Definition of custom UI commands
    Go to contribution page
  33. 8. Discussion
    Alberto Ribon (CERN), John Apostolakis (CERN), Vladimir Ivantchenko (CERN)
    • EM physics
    • Hadronic physics
    Go to contribution page
  34. 34. Discussion
    Alberto Ribon (CERN), Marc Verderi (Centre National de la Recherche Scientifique (FR))
    • Event biasing
    • Physics biasing
    Go to contribution page
  35. 38. Discussion

    Your questions about today's topics - or earlier ones.

    Go to contribution page
  36. 44. Discussion
    John Apostolakis (CERN)
    • UI commands
    • User actions
    • Scoring
    Go to contribution page
  37. 47. Discussion
    John Apostolakis (CERN)

    Magnetic Field

    Go to contribution page
  38. 54. Discussion on UI, user actions and scoring
    Makoto Asai (Jefferson Lab (USA))
    • UI commands
    • User actions
    • Scoring
    Go to contribution page
  39. 15. Event biasing
    Makoto Asai (Jefferson Lab (USA))
    • Overview
    • Geometrical biasing
    • Bremsstrahlung splitting
    Go to contribution page
  40. 26. Fast Simulation
    Anna Zaborowska (CERN)
    • Fast parameterised simulation
    • G4VFastSimulationModel
    • G4FastSimulationManagerProcess
    • Use of "Ghost" volumes
    • Techniques of fast simulation
    • Demo/Exercises
    Go to contribution page
  41. 12. Generators
    Witold Pokorski (CERN)
    • G4VUserPrimaryGeneratorAction class
    • Primary vertex and primary particle
    • Built-in primary particle generators
    • Interfaces with external generators
    Go to contribution page
  42. 20. Geometry I
    Gabriele Cosmo (CERN)
    • G4VUserDetectorConstruction class
    • Geometrical shapes: solids
    • Logical & Physical volumes
    • Placements, Parametrised, Replicated volumes, basics
    • Geometry checking tools
    • GDML interface
    Go to contribution page
  43. 11. Hands-on - II
    Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)

    Exercise on physics processes & setup
    Electromagnetic examples

    Go to contribution page
  44. 9. Material Definition
    Mihaly Novak (CERN)
    • Defining Materials
    • NIST Material database
    Go to contribution page
  45. 7. Multithreading - I
    John Apostolakis (CERN)
    • Introduction to multithreading
    • UI commands for multithreading
    Go to contribution page
  46. 46. Multithreading II
    John Apostolakis (CERN)
    • thread safety
    • split classes
    Go to contribution page
  47. 25. Open Discussion
    Alexander Howard (Imperial College (GB)), John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)

    Any Geant4 topic - submit questions on Mattermost

    Go to contribution page
  48. 14. Particles and processes
    Vladimir Ivantchenko (CERN)
    • Particles
    • Processes
    • What happens at a step
    • Cuts
    Go to contribution page
  49. 27. Physics Biasing
    Alberto Ribon (CERN), Makoto Asai (Jefferson Lab (USA))

    Physics biasing techniques

    Go to contribution page
  50. 45. Practicalities (repeat - adapted)
    John Apostolakis (CERN)
    • Welcome to the (time-shifted) course
    • Practical aspects - Zoom, Mattermost, Questions, ...
    Go to contribution page
  51. 19. Questions & Answers

    General discussion on topics raised on Mattermost

    Go to contribution page
  52. 41. Scoring (repeat)
    John Apostolakis (CERN), Makoto Asai (Jefferson Lab (USA))
    • Sensitive detectors & Hits
    • Basic scoring commands
    • Advanced scoring
    Go to contribution page
  53. 5. User Actions, Hits and Digits
    Witold Pokorski (CERN)
    • Mandatory user actions
    • Optional user actions
    • Sensitive detectors
    • Hit/digits collections
    Go to contribution page
  54. 2. User Documents and Examples
    Gunter Folger
    • Installation Guide
    • Application & Toolkit developers manuals
    • Physics reference manual
    • Basic examples in Geant4 distribution
    • Extended and advanced examples in Geant4 distribution
    • GitHub, LXR source code browser
    • Reporting problems/requirements, HyperNews
    Go to contribution page
  55. 3. User Interface - I
    Mihaly Novak (CERN)
    • Syntax of UI command
    • Interactive mode / batch mode
    • G4UIExecutive class
    Go to contribution page
  56. 51. Visualisation - Part 2
    John Allison
  57. 4. Visualization - Part 1
    John Allison
    • Introduction to Visualization
    • Quick Looks at Visualization Drivers
    • Basic Visualization Commands
    Go to contribution page