Getting started with Geant4 - theory and practice

Contribution List

25. Introduction: What is Geant4 ?

John Apostolakis (CERN)

09/12/2024, 09:15

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 ?

27. Hands-on: First look at virtual machine and one Geant4 application

John Apostolakis (CERN)

09/12/2024, 10:50

Goals:
- Familiarise with program main, contents of directories, compiling and running an executable

How to get the exercise material

You can follow these instructions from the gitlab site of the exercises below "How to get the exercises"

Copied below also (in case of gitlab unavailability)

First create a directory for all our work (examples & exercises) :
Create a new...

54. Key concepts of C++

09/12/2024, 13:45

26. Describing your detector - Concepts

John Apostolakis (CERN)

09/12/2024, 14:15

29. Hands on: Adding volumes to the world

John Apostolakis (CERN)

09/12/2024, 15:00

30. Questions & Answers plus Homework

09/12/2024, 16:00

31. Review of homework

John Apostolakis (CERN)

10/12/2024, 09:00

• Start where we finished on Day1
• Follow-up concepts from homework - extended concepts
• Reset set-up of hands-on

32. Visualisation - lecture & hands-on

John Apostolakis (CERN), Mihaly Novak (CERN)

10/12/2024, 10:15

• Visualise your detector geometry

Brief overview and hands-on exercises

33. Materials - lecture & hands-on

John Apostolakis (CERN)

10/12/2024, 11:20

• Definition of materials and association to detector volumes

55. Applications of Geant4

John Apostolakis (CERN)

10/12/2024, 14:00

34. Generation of primaries - lecture & hands-on

John Apostolakis (CERN)

10/12/2024, 14:25

36. Review of homework - questions & answers

John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)

11/12/2024, 09:30

38. Extracting information - part 1: User Actions

Mihaly Novak (CERN)

11/12/2024, 10:00

35. Hands on

John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)

11/12/2024, 10:30

• Finding information in G4Step, G4Track
• Creating Sensitive Detector ProcessHits() method that extract energy deposit
• Alternative method: Built-in scorer

39. Hands on (continued)

John Apostolakis (CERN), Mihaly Novak (CERN)

11/12/2024, 11:30

• Using actions to collect total energy and track length

• Alternative: using sensitive detector to collect total energy

37. Extracting information: Part 2 - scoring and hits

John Apostolakis (CERN)

11/12/2024, 12:45

Overview of sensitive detectors and built-in scorers.

40. Review of homework - questions & answers

John Apostolakis (CERN), Mihaly Novak (CERN)

12/12/2024, 09:00

56. Sensitive Detectors

12/12/2024, 10:00

46. Messengers - how to use them and to create one

John Apostolakis (CERN), Mihaly Novak (CERN)

12/12/2024, 10:45

Lecture (overview)

Hands-on exercise

42. Electromagnetic physics

Vladimir Ivantchenko (CERN)

12/12/2024, 13:45

Lecture (overview)

Hands-on exercise

45. Review of homework

John Apostolakis (CERN)

13/12/2024, 08:35

43. Hadronic physics

John Apostolakis (CERN)

13/12/2024, 09:50

41. Defining / using magnetic field

John Apostolakis (CERN)

13/12/2024, 10:40

53. Hands-on: magnetic field

John Apostolakis (CERN)

13/12/2024, 11:25

47. Multi-threading

John Apostolakis (CERN)

13/12/2024, 12:10

48. Followup topics - questions & answers

John Apostolakis (CERN)

13/12/2024, 13:00

Extension of existing concepts

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

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

44. Hands on - Magnetic Field

John Apostolakis (CERN)

Creating and registering a simple magnetic field.

49. Hands on - messengers

John Apostolakis (CERN), Mihaly Novak (CERN)

• Use of messengers

52. Hands on - multithreading

John Apostolakis (CERN), Mihaly Novak (CERN)

• Running in multi-threading mode

28. Hands-on: Examine parts of a first example

Gabriele Cosmo (CERN), John Apostolakis (CERN)

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