FCC-ee Workshop on Particle Flow Reconstruction

Name: FCC-ee Workshop on Particle Flow Reconstruction
Start: 2025-09-01T08:30:00+02:00
End: 2025-09-05T18:00:00+02:00
Location: CERN

1 Sept 2025, 08:30 → 5 Sept 2025, 18:00 Europe/Zurich

CERN

Anna Zaborowska (CERN), Dolores Garcia (CERN), Lena Maria Herrmann, Michele Selvaggi (CERN)

Description

This workshop is meant to discuss in details the particle flow approaches for the experiments on the Future Circular Collider (FCC-ee).

The first three days feature introductory talks and overview of the work at LHC and in neutrino experiments (modern Pandora developments), with the main part of the event dedicated to the FCC-ee detector concepts: current work on Pandora implementation and Machine Learning approaches.

The last two days of the event are dedicated to the hands-on sessions/hackathon and the discussions on the evolution of particle flow for FCC-ee.

Please note that the timetable is still a first draft, we are waiting for confirmations from the speakers.

Registration

Participants

6 View full list

Monday 1 September
- Introduction to Particle Flow: Introduction
  - 1
    
    The Particle Flow approach
  - 2
    
    Detector Concepts: CLD
  - 3
    
    Detector concepts: ILD
  - 4
    
    Detector Concepts: ALLEGRO
  - 5
    
    Detector Concepts: IDEA
- 10:45
  
  Coffee break
- Pandora: Introduction to Pandora
  - 6
    
    Overview of Pandora and historical context
  - 7
    
    Pandora SDK
    
    Speakers: Andrew Chappell (University of Warwick (GB)), John Stuart Marshall (University of Warwick (GB))
- 12:00
  
  Lunch
- Pandora: Pandora algorithms
  - 8
    
    Overview of the LCContent library
    
    LCContent contains algorithms that were implemented for the linear collider experiments. The development has not continued in the recent years.
    
    Speaker: John Stuart Marshall (University of Warwick (GB))
  - 9
    
    Overview of LArContent library
    
    LArContent library is used in the neutrino's experiments.
    It represents the more modern developments.
    
    Speaker: Andrew Chappell (University of Warwick (GB))
  - 15:30
    
    Coffee break
  - 10
    
    Discussion
    
    LCContent: how do we continue to develop it?
    LCContent: management of the git repository, how can FCC-ee or key4hep mainainers take more active role?
    What are the ideas on how to continue with the LCContent?
    What is the start point for the new detector concepts that are far from ILD/CLICdp?
Tuesday 2 September
- Pandora: @ FCC
  - 11
    
    Experience with Pandora for CLD
  - 12
    
    Experience with Pandora for ALLEGRO
  - 10:30
    
    Coffee break
  - 13
    
    Experience with Pandora for IDEA
  - 14
    
    Discussion
    
    What do we think should work (or not) for those detectors?
    How to continue using Pandora?
- 12:00
  
  Lunch
- Pandora: Technical implementation
  - 15
    
    Pandora @ key4hep
    
    How does it work now,
    plan for future.
  - 16
    
    Debugging Pandora
    
    PandoraMonitoring
    other tools ?
  - 17
    
    Discussion
    
    How to use best debugging tools in Pandora @ FCC?
- 15:30
  
  Coffee break
- Pandora: Discussions
Wednesday 3 September
- Particle Flow approaches: Colliders
  - 18
    
    Overview of Particle-Flow in ATLAS
  - 19
    
    Overview of Particle-Flow in CMS
  - 20
    
    Overview of Particle-Flow in CEPC
- 10:30
  
  Coffee break
- Particle Flow approaches: Machine Learning
  - 21
    
    Machine-Learning Particle Flow in FCC
  - 22
    
    Machine-Learning Particle Flow in CLICDet/FCC-ee CLD/CMS
- 12:20
  
  Lunch
- Particle Flow approaches: Machine Learning
  - 23
    
    Machine-Learning Based Reconstruction in CEPC
  - 24
    
    Machine-Learning Based Particle Flow in ILD
- 15:20
  
  Coffee break
- Particle Flow approaches: Discussion
Thursday 4 September
- Hackathon
Friday 5 September
- Hackathon

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FCC-ee Workshop on Particle Flow Reconstruction

CERN