Geant4 Advanced Course 2021 @ CERN

Name: Geant4 Advanced Course 2021 @ CERN
Start: 2021-10-04T09:00:00+02:00
End: 2021-10-08T13:30:00+02:00
Location: CERN

4 Oct 2021, 09:00 → 8 Oct 2021, 13:30 Europe/Zurich

32/S-C22 (CERN)

32/S-C22

CERN

Online

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Description

Tutorial on Geant4 for users interested to improve their understanding and usage of Geant4. Appropriate for creating intermediate and advanced applications in any domain, with emphasis on topics most relevant to experiments in High Energy or Nuclear Physics. This is a tutorial course based on Geant4 version 10.7.

Lectures will cover intermediate and advanced features of Geant4 starting from the basic building blocks covered in the beginners course, interspersed with discussion sessions.

The course is expected to be of interest to users with intermediate experience in Geant4 and familiarity with the toolkit. Participants are expected to have a reasonable knowledge of C++.

The course will be held online using Zoom. A link to join will been sent to participants.

Pre-requisites:

Basic knowledge of the C++ language
Basic knowledge of MC simulation techniques
Knowledge and basic experience in using the Geant4 simulation toolkit, having followed the Geant4 beginners course or equivalent knowledge

Objectives:

Acquire deeper understanding of particle transport Monte Carlo
Acquire additional knowledge and experience in using the Geant4 simulation toolkit

Both the course and the waiting list are now full.

Organised by

CERN Technical Training

Geant4 Training 2021

geant4-training@cern.ch

+41 22 76 74924

Monday 4 October
- Mon 4 Oct
- Tue 5 Oct
- Wed 6 Oct
- Thu 7 Oct
- Fri 8 Oct
- 09:00 → 09:10
  Introduction 10m 32/S-C22
  
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  - Welcome to the course
  - Practical aspects - Zoom, Mattermost, Questions, ...
  Speaker: John Apostolakis (CERN)
  
  Welcome and Practicalities for Geant4 Advanced Course 2021.pdf
- 09:10 → 10:10
  Magnetic Field 1h 32/S-C22
  
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  - Magnetic field
  - Field integration and other types of field
  - Steppers & Interpolation
  Speaker: John Apostolakis (CERN)
  
  MagneticField-Long-v7.5.pdf
  
  Recording of Lecture 1, Day 1 (link)
- 10:10 → 10:30
  
  Break 20m
- 10:30 → 11:35
  Physics 1h 5m 32/S-C22
  
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  - Particles
  - Ions
  - Processes
  - What happens at a step
  - Order of initialisation and execution
  - Cuts
  - How to prepare custom particle and process
  Speaker: Vladimir Ivantchenko (CERN)
  
  ParticleProcesses.pdf
  
  Recording of lecture 2 (link)
- 11:35 → 12:35
  
  Hadronic Physics - I 1h 32/S-C22
  
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  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
  
  Speaker: Alberto Ribon (CERN)
  
  HadronicPhysics1.pdf
  
  Recording of "Hadronic Physics I" (link)
- 12:35 → 13:00
  Discussion 25m 32/S-C22
  
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  - Magnetic field
  - EM physics
  - Hadronic physics
  Speakers: Alberto Ribon (CERN), John Apostolakis (CERN), Vladimir Ivantchenko (CERN)
Tuesday 5 October
- Mon 4 Oct
- Tue 5 Oct
- Wed 6 Oct
- Thu 7 Oct
- Fri 8 Oct
- 09:00 → 09:20
  Definition of UI commands 20m 32/S-C22
  
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  - G4UIExecutive
  - Definition of custom UI commands
  Speaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
  
  DefinitionOfUICommands.pdf
  
  Recording of Day 2 Lecture 1 - afternoon version
- 09:20 → 09:50
  Scoring 30m 32/S-C22
  
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  - Introduction to Scoring
  - Command-based scoring
  - Sensitive detector vs. primitive scorer
  - Basic structure of detector sensitivity
  - Sensitive detectors and hits
  Speaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
  
  Recording - Part 1 of Day 2 Lecture 2 - afternoon version
  
  Recording - part 2
  
  Scoring.pdf
- 09:50 → 10:20
  Additional User classes 30m 32/S-C22
  
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  - User limits
  - User information classes
  - Stack management
  Speaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
  
  Recording of "User Classes in Geant4" - repeat lecture (Tues afternoon)
  
  UserClasses.pdf
- 10:20 → 10:45
  Discussion 25m 32/S-C22
  
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  - UI commands
  - User actions
  - Scoring
  Speaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
- 10:45 → 11:15
  
  Break 30m 32/S-C22
  
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- 11:15 → 11:45
  Multithreading 30m 32/S-C22
  
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  - 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
  Speaker: John Apostolakis (CERN)
  
  Multithreading-v7.0.pdf
  
  Recording - Day 2 Lecture 4 "Multithreading"
- 11:45 → 12:30
  
  Questions & Answers 45m 32/S-C22
  
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  General discussion on topics raised on Mattermost
- 16:00 → 16:10
  Practicalities (repeat - adapted) 10m 32/S-C22
  
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  - Welcome to the (time-shifted) course
  - Practical aspects - Zoom, Mattermost, Questions, ...
  Speaker: John Apostolakis (CERN)
  
  Practicalities (revised)
- 16:10 → 16:35
  Definition of UI commands (repeat of morning) 25m 32/S-C22
  
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  - G4UIExecutive
  - Definition of custom UI commands
  Speakers: John Apostolakis (CERN), Makoto Asai (SLAC National Accelerator Laboratory (US))
  
  Link to this morning's slides (UI)
  
  Recording of "Definition of UI commands"
- 16:45 → 17:15
  Scoring (repeat) 30m 32/S-C22
  
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  - Sensitive detectors & Hits
  - Basic scoring commands
  - Advanced scoring
  Speakers: John Apostolakis (CERN), Makoto Asai (SLAC National Accelerator Laboratory (US))
- 17:20 → 17:45
  Additional User classes (repeat) 25m 32/S-C22
  
  32/S-C22
  
  CERN
  
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  17
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  - User limits
  - User information classes
  - Stack management
  Speakers: John Apostolakis (CERN), Makoto Asai (SLAC National Accelerator Laboratory (US))
  
  Link to slides (from morning lecture)
  
  Recording of "Additional User classes" - repeat afternoon lecture
- 17:50 → 18:15
  Discussion 25m 32/S-C22
  
  32/S-C22
  
  CERN
  
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  - UI commands
  - User actions
  - Scoring
  Speaker: John Apostolakis (CERN)
Wednesday 6 October
- Mon 4 Oct
- Tue 5 Oct
- Wed 6 Oct
- Thu 7 Oct
- Fri 8 Oct
- 09:00 → 10:10
  Electromagnetic physics 1h 10m 32/S-C22
  
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  - Energy loss
  - Cuts per region
  - Models per region
  - Atomic de-excitation
  - Multiple and single scattering
  - Documentation for electromagnetic physics
  Speaker: Vladimir Ivantchenko (CERN)
  
  EMPhysics.pdf
  
  Recording of Day-3 Lecture 1 EM Physics
- 10:10 → 10:40
  
  Break 30m 32/S-C22
  
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- 10:40 → 11:40
  
  Electromagnetic physics II - Optical Photons 1h 32/S-C22
  
  32/S-C22
  
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  Optical photons - generation, propagation and their physics processes
  
  Speaker: Alexander Howard (Imperial College (GB))
  
  AH_OpticalPhotons_G4advanced_v2021_final.pdf
  
  Recording G4Adv1 Day 3 Lecture 2 "Optical Physics"
- 16:00 → 17:00
  
  Open Discussion 1h 32/S-C22
  
  32/S-C22
  
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  Any Geant4 topic - submit questions on Mattermost
  
  Speakers: Alexander Howard (Imperial College (GB)), John Apostolakis (CERN), Mihaly Novak (CERN), Vladimir Ivantchenko (CERN)
Thursday 7 October
- Mon 4 Oct
- Tue 5 Oct
- Wed 6 Oct
- Thu 7 Oct
- Fri 8 Oct
- 09:00 → 10:20
  Geometry 1h 20m 32/S-C22
  
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  - Placements, Replicated and Parameterised volumes, introduction
  - Divided volumes
  - Geometrical regions
  - Touchables and Nested parameterisations
  - Assembly volumes
  - Reflected volumes
  - Geometry optimization
  - Parallel geometries
  - Moving geometries
  - CAD interface
  Speaker: Gabriele Cosmo (CERN)
  
  geometry-advanced-2021.pdf
  
  Recording - Day 4 Lecture 1 "Geometry"
- 10:20 → 10:40
  Discussion 20m 32/S-C22
  
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  - Geometry
  - Navigation & Transportation
  Speakers: Gabriele Cosmo (CERN), John Apostolakis (CERN)
- 10:40 → 10:50
  
  Break 10m
- 10:50 → 12:00
  Physics Lists 1h 10m 32/S-C22
  
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  - Introduction to Physics Lists
  - The Geant4 Physics List interface
  - Using pre-packaged physics lists
  - How to choose a physics list
  - Examples
  Speaker: Gunter Folger (CERN)
  
  CourseOct7-2021PhysLists.pdf
  
  Recording of "Physics Lists" lecture - Geant4 Advanced Course 2021
- 12:00 → 12:40
  Hadronics physics II 40m 32/S-C22
  
  32/S-C22
  
  CERN
  
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  - 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
  Speaker: Alberto Ribon (CERN)
  
  HadronicPhysics2.pdf
  
  Recording of "Hadronic Physics II" at G4Adv21
- 12:40 → 13:00
  Multithreading II 20m 32/S-C22
  
  32/S-C22
  
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  - thread safety
  - split classes
  Speaker: John Apostolakis (CERN)
  
  MultithreadingII.pdf
- 13:00 → 13:20
  Discussion 20m 32/S-C22
  
  32/S-C22
  
  CERN
  
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  - Physics lists
  - Hadronic physics
  Speakers: Alberto Ribon (CERN), Gunter Folger (CERN)
Friday 8 October
- Mon 4 Oct
- Tue 5 Oct
- Wed 6 Oct
- Thu 7 Oct
- Fri 8 Oct
- 09:00 → 09:50
  Event Biasing 50m 32/S-C22
  
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  - Overview
  - Geometrical biasing
  - Bremsstrahlung splitting
  Speaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
  
  event-biasing.pdf
- 09:50 → 10:20
  
  Physics Biasing 30m 32/S-C22
  
  32/S-C22
  
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  Physics biasing techniques
  
  Speaker: Alberto Ribon (CERN)
  
  PhysicsBiasing.pdf
- 10:20 → 10:40
  Discussion 20m 32/S-C22
  
  32/S-C22
  
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  17
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  - Event biasing
  - Physics biasing
  Speakers: Alberto Ribon (CERN), Marc Verderi (Centre National de la Recherche Scientifique (FR))
- 10:40 → 11:00
  
  Break 20m 32/S-C22
  
  32/S-C22
  
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- 11:00 → 12:00
  Fast Simulation 1h 32/S-C22
  
  32/S-C22
  
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  - Fast parameterised simulation
  - G4VFastSimulationModel
  - G4FastSimulationManagerProcess
  - Use of "Ghost" volumes
  - Techniques of fast simulation
  Speaker: Anna Zaborowska (CERN)
  
  G4Course_fastSim_handout.pdf
- 12:00 → 12:30
  
  Questions & Answers 30m 32/S-C22
  
  32/S-C22
  
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  General discussion
  Answers on topics raised on Mattermost
- 12:30 → 12:40
  
  Adjourn 10m 32/S-C22
  
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