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First steps with Geant4

9–13 May 2022
CERN
Europe/Zurich timezone

Geant4 Training 2022

Contribution List

34 out of 34 displayed
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  1. 27. Introduction
    Mihaly Novak (CERN)
    09/05/2022, 14:00
    • scope and goal of this course
    • a short introduction to Geant4
    • introduction of some important Geant4 concepts such as run, event, track, etc.
    Go to contribution page
  2. 54. Preliminaries
    Mihaly Novak (CERN)
    09/05/2022, 16:15
    • introduction of our work environment (i.e. the virtual machine installation,
      demystification of Geant4 install and CMake configuration, etc.)
    • recapitulation of some object oriented concept of C++ crucial for the course
      (such as interface and their usage)
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  3. 31. Detector Description
    Mihaly Novak (CERN)
    10/05/2022, 14:00
    • introduction of the G4VUserDetectorConstruction interface
    • introduction to the Geant4 geometry description
    • introduction to the Geant4 material description
    Go to contribution page
  4. 33. Implementation of the Detector-Construction of our application
    Mihaly Novak (CERN)
    10/05/2022, 16:15
    • we will develop the main of our application then we start to implement the
      mandatory components, first the DetectorConstruction, i.e. the detector
      geometry and material description
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  5. 38. Complete the Detector-Construction implementation
    Mihaly Novak (CERN)
    11/05/2022, 14:00
  6. 39. Primary particle generation
    Mihaly Novak (CERN)
    11/05/2022, 16:15
    • a (very basic) look behind multi-threaded Geant4
    • introduction of the G4VUserPrimaryGeneratorAction and usage
    • introduction of G4VUserActionInitialization interface
    • implementation of the primary generator of our application
    Go to contribution page
  7. 46. Complete the primary generator implementation
    Mihaly Novak (CERN)
    12/05/2022, 14:00
  8. 42. Introduction to (some of) the further Geant4 user actions
    Mihaly Novak (CERN)
    12/05/2022, 16:15
    • recapitulation of the related Geant4 concepts (run, event, step)
    • introduction of the Stepping-, Event- and Run-Actions and the related Geant4
      interfaces (G4UserRunAction, G4UserEventAction, G4UserSteppingAction)
    • implement the remaining user actions of our application
    Go to contribution page
  9. 45. Add some flexibility to our application through UI commands
    Mihaly Novak (CERN)
    13/05/2022, 14:00
    • introduction to Geant4 UI commands
    • implement some UI commands to allow e.g. change of the target material, thickness
    Go to contribution page
  10. 53. Recapitulation
    Mihaly Novak (CERN)
    13/05/2022, 16:15
    • enjoy using the application that we developed together, compare the results
      with experimental data
    • summary of the course and outlook
    Go to contribution page
  11. 55. Checkin

    Problems with Geant4 Virtual Machine ?

    Issue with alternative Geant4 installation (for those with Mac computers with M1 processor.)

    Go to contribution page
  12. 41. Defining / using magnetic field
    John Apostolakis (CERN)
  13. 26. Describing your detector - Concepts
    Gabriele Cosmo (CERN)
  14. 37. Extracting information: Part 2 - scoring and hits
    John Apostolakis (CERN)

    Overview of sensitive detectors and built-in scorers.

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  15. 48. Followup topics - questions & answers
    Alberto Ribon (CERN), Gabriele Cosmo (CERN), John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)

    Extension of existing concepts

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  16. 34. Generation of primaries - lecture & hands-on
    Vladimir Ivantchenko (CERN)
  17. 43. Hadronic physics
    Alberto Ribon (CERN)
  18. 35. Hands on
    John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)
    • Finding information in G4Step, G4Track
    • Creating Sensitive Detector ProcessHits() method that extract energy deposit
    • Alternative method: Built-in scorer
    Go to contribution page
  19. 50. Hands on - EM physics
    Alberto Ribon (CERN), John Apostolakis (CERN), Vladimir Ivantchenko (CERN)
    • Simple magnetic field
    • EM physics exercises
    • Hadronic: choose hadronic physics list + compare profile of pion shower to electron shower
    Go to contribution page
  20. 51. Hands on - Hadronics
    Alberto Ribon (CERN), John Apostolakis (CERN), Vladimir Ivantchenko (CERN)
    • Hadronic: choose hadronic physics list + compare profile of pion shower to electron shower
    Go to contribution page
  21. 44. Hands on - Magnetic Field
    John Apostolakis (CERN)

    Creating and registering a simple magnetic field.

    Go to contribution page
  22. 49. Hands on - messengers
    John Apostolakis (CERN), Mihaly Novak (CERN)
    • Use of messengers
    Go to contribution page
  23. 52. Hands on - multithreading
    John Apostolakis (CERN), Mihaly Novak (CERN)
    • Running in multi-threading mode
    Go to contribution page
  24. 29. Hands on: Adding volumes to the world
    Gabriele Cosmo (CERN), John Apostolakis (CERN)
  25. 28. Hands-on: Examine parts of a first example
    Gabriele Cosmo (CERN), John Apostolakis (CERN)
  26. 57. Lecturer Preparation
  27. 47. Multi-threading
    John Apostolakis (CERN)
  28. 30. Questions & Answers plus Homework
  29. 36. Review of homework - questions & answers
    John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)
  30. 40. Review of homework - questions & answers
    John Apostolakis (CERN), Mihaly Novak (CERN)
  31. 32. Visualisation - lecture & hands-on
    John Apostolakis (CERN), Mihaly Novak (CERN)
    • Visualise your detector geometry

    Brief overview and hands-on exercises

    Go to contribution page
  32. 24. Welcome - Introduction
    John Apostolakis (CERN)

    How the course will proceed

    Technical aspects -- using Zoom breakout rooms to interact with lecturers during hands-on session

    Interacting via Mattermost for questions 'online'

    Exercise follow up

    Go to contribution page
  33. 25. What is Geant4 ?
    John Apostolakis (CERN)

    The toolkit / library 'nature' of Geant4 and how differ from radiation transport tools ?

    Is there is no Geant4 'executable' ? If not, why ?
    Variety of existing Geant4-based application / tools.
    How do you use Geant4 ?

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  34. 56. Zoom check