23rd Geant4 Collaboration Meeting
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Registration
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Plenary 1 - Opening address / open requirementsConveners: Luis Gerardo Sarmiento Pico, Xiaoxiao Cai (ESS/DTU)
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Welcome by Mr. Holger Radner, vice Mayor of LundSpeaker: Mr Holger Radner (Vice Mayor, Lund)
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Opening remarksSpeakers: Makoto Asai (SLAC National Accelerator Laboratory (US)), Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Open requirements - LHC and other HEP energy frontier experimentsSpeaker: Mihaly Novak (CERN)
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Open requirements - HEP intensity and cosmic frontier experimentsSpeaker: Krzysztof Genser (Fermi National Accelerator Laboratory (US))
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Open requirements - Nuclear physics and engineering, material scienceSpeaker: Dennis Herbert Wright
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Open requirements - Space science and engineeringSpeaker: Giovanni Santin (ESA)
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Open requirements - Medical and bio scienceSpeaker: Pedro Arce (CIEMAT)
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10:30 AM
break
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Plenary 2 - Collaboration tools, documentation, web
- Git, Drupal
- Documentation enhancements
- Web page enhancements
Conveners: Benjamin Morgan (University of Warwick (GB)), Alexander Howard (Imperial College (GB))-
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Updates on Geant4 DocumentationSpeaker: Alexander Howard (Imperial College (GB))
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Updates on Geant4 Development Tools: CMake, DataSpeaker: Benjamin Morgan (University of Warwick (GB))Geant4 Data Questionnaire Responses
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Geant4 Git Migration: Timetable and DiscussionSpeakers: Benjamin Morgan (University of Warwick (GB)), Gabriele Cosmo (CERN), Gunter Folger (CERN)
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12:30 PM
lunch break
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Parallel 1A - New EM physics models
Discussion on EM physics models
Conveners: Prof. Vladimir Ivantchenko (CERN), Mihaly Novak (CERN)-
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New 5D gamma conversion modelSpeakers: Denis Robert Leon Bernard (Centre National de la Recherche Scientifique (FR)), Igor Semeniouk (Centre National de la Recherche Scientifique (FR))
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New model of 3 gamma annihilationSpeaker: Andrei Alkin (M.V. Lomonosov Moscow State University (RU))
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Models for simulation of Gold nanoparticlesSpeaker: Dosatsu Sakata (University of Tsukuba (JP))
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New PIXE cross sections and validation of Auger electronsSpeaker: Susanna Guatelli
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Parallel 1B - Computing performance
- Results and issues from HEP experiments and Other fields
- Performance profiling and benchmarking (tools and applications)
- Discussions
Conveners: Soon Yung Jun (Fermi National Accelerator Lab. (US)), Gunter Folger (CERN)- 16
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ALICESpeaker: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR))
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Intensity FrontierSpeakers: Krzysztof Genser (Fermi National Accelerator Laboratory (US)), Soon Yung Jun (Fermi National Accelerator Lab. (US))
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3:30 PM
break
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Parallel 2A - New EM validation results
Discussion on EM validation and EM physics configuration
Conveners: Sebastien Incerti (CNRS/IN2P3), Luciano Pandola (INFN-LNS)-
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Geant4 low-energy models for electron transport in liquid waterSpeaker: I. Kyriakou
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New low energy elastic model for gammasSpeaker: M. Omer
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CPA100 models for Geant4-DNASpeaker: M. C. Bordage
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Validation of the Geant4 EM physics for modelling high energy synchrotron beamlinesSpeaker: S. Guatelli
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Parallel 2B - Documentation working session
Documentation, videos, web pages
Conveners: Alexander Howard (Imperial College (GB)), Laurent Garnier-
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Documentation update
update on the current status of the Geant4 documentation and request for inputs for future features.
Speaker: Alexander Howard (Imperial College (GB)) -
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Documentation Discussion 1
- release schedule and location of development documents (for
public access?) - What about beta releases?
Speaker: Alexander Howard (Imperial College (GB)) - release schedule and location of development documents (for
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Documentation Discussion 2
- Alternative formats? Should we consider epub, mobi, whatever or just pdf and html?
Speaker: Alexander Howard (Imperial College (GB)) -
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Videos
Videos for Geant4
- tutorials
- demonstrations
- publicity/outreach
Content - what should we make videos of?
Maintenance/keeping up-to-dateSpeaker: Laurent Garnier
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Plenary 3 - Electromagnetic Physics Updates
EM physics models updates (including physics lists)
Conveners: Vladimir Ivantchenko (CERN), Sebastien Incerti (CNRS/IN2P3)- 30
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10:30 AM
break
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Plenary 4 - Physics updates 2
Hadronic physics models updates (including physics lists)
Conveners: Dennis Herbert Wright, Gunter Folger (CERN)-
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High Energy Hadronic Models: Status and Plans - Gunter Folger
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Low Energy Hadronic Models: Status and Plans - Laurent Desorgher
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Hadronic Validation: Status and Plans - Dennis Wright
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Hadronic Model Discussion
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12:30 PM
lunch break
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Parallel 3A - Status of development and validation of hadronic physics models, part I
Review and discussion of the major hadronic physics models, starting from high-energy and going down in (projectile) energies.
This is the first part, covering string models, cascade models, and (if time allows) precompound and de-excitation models.Conveners: Julia Yarba, Dennis Herbert Wright-
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Very High Energy Models - Khaled Abdellatif
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FTF and QGS Models: Status and Plans - Gunter Folger
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INCL++ Status and Plans - Jean-Christophe David
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Bertini Cascade Staus and Plans - Dennis Wright
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Discussion
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Parallel 3B - Near-term kernel developments
Discuss and plan the near-term development items. Items include but not limited to:
- Sub-event parallelism
- Unified tracking mechanism for exotic particles (ions, muonic atoms, radicals, hyper-nuclear, phonon, e/h)
- Revisit / retreat production thresholds and physics process framework
- Refactoring transportation
- Use of HPC
- Extending crystal structure capabilitiesConveners: Makoto Asai (SLAC National Accelerator Laboratory (US)), Gabriele Cosmo (CERN)-
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Sub-event parallelismSpeaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
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Unified tracking mechanism for exotic particles (ions, muonic atoms, radicals, hyper-nuclear, phonon, e/h)Speakers: Makoto Asai (SLAC National Accelerator Laboratory (US)), Hisaya Kurashige (Kobe University (JP))
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Revisit / retreat production thresholds and physics process frameworkSpeaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Refactoring transportationSpeakers: Makoto Asai (SLAC National Accelerator Laboratory (US)), Gabriele Cosmo (CERN)
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Extending crystal structure capabilitiesSpeaker: Enrico Bagli (Universita e INFN, Ferrara (IT))
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TiMemory performance monitoringSpeaker: Jonathan Madsen (Lawerence Berkeley National Laboratory)
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Open discussion
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3:30 PM
break
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Parallel 4A - Status of development and validation of hadronic physics models, part II
Review and discussion of the major hadronic physics models, starting from high-energy and going down in (projectile) energies.
This is the second part, covering the remaining major models not covered in the first part, e.g. ParticleHP, Radioactive Decay, etc.Conveners: Krzysztof Genser (Fermi National Accelerator Laboratory (US)), Dennis Herbert Wright-
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Results from CMS Test Beam and Run 2 - S. Banerjee, V. IvantchenkoSpeakers: Sunanda Banerjee (Fermi National Accelerator Lab. (US)), Vladimir Ivantchenko (CERN)
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INCL++ Parameter Study - Jean-Christophe DavidSpeaker: Jean-Christophe David
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FTF Configuration Interface - Julia YarbaSpeakers: Julia Yarba (Fermi National Accelerator Lab. (US)), Julia Yarba
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FTF + Bertini Parameter Study - Robert HatcherSpeaker: Robert William Hatcher (Fermilab)
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Discussion
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Parallel 4B - Geometry working session
- Performance & optimisations
- Integration with VecGeom
- Review of open issues
Conveners: Gabriele Cosmo (CERN), John Apostolakis (CERN)- 55
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Latest developments in navigation with VecGeomSpeaker: Sandro Christian Wenzel (CERN)
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Investigations in the ATLAS geometrySpeaker: Evgueni Tcherniaev (Russian Academy of Sciences (RU))
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Updated field thresholds for looping particlesSpeaker: John Apostolakis (CERN)
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Review of open issues and discussion
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Parallel 5A - Low energy hadronic physics
This session is dedicated to low-energy hadronic physics, in particular for topics that were either not covered in the second hadronic parallel session, or discussed/presented only briefly during the previous parallel session and that need further time.
Conveners: Dennis Herbert Wright, Gunter Folger (CERN)-
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Hadron Therapy Validation - Susanna Guatelli
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High Precision Hadron Models: Status and Plans - Pedro Arce
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Radioactive Decay Model: Status and Plans - Laurent Desorgher
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Precompound and Deexcitation Models - Vladimir Ivantchenko
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Discussion
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Parallel 5B - Biasing
Update the current status of biasing options and discuss about work plan
Conveners: Marc Verderi (Centre National de la Recherche Scientifique (FR)), Alexander Howard (Imperial College (GB))-
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IntroductionSpeakers: Alexander Howard (Imperial College (GB)), Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Variance reduction using multi-stage simulationsSpeaker: Pete Truscott
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Update on ChannelingSpeaker: Enrico Bagli (Universita e INFN, Ferrara (IT))
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Update on Generic BiasingSpeaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Having a Differential Cross-Section ClassSpeaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Discussion on open issues
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10:30 AM
break
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Plenary 5 - Generic process, physics validation and validation tools
- Biasing updates
- Physics validation strategies and tools
Conveners: Gunter Folger (CERN), Hans-Joachim Wenzel (Fermi National Accelerator Lab. (US))-
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Biasing in Geant4 - an UpdateSpeaker: Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Discussion
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Excursion
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Plenary 6 - Kernel, GUI/Vis, examples updates: Kernel, GUI/Vis, examples updatesConveners: Laurent Garnier, Takashi Sasaki (High Energy Accelerator Research Organization (JP))
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Status of multithreading / Kernel updatesSpeaker: Dr Jonathan Madsen (Lawrence Berkeley National Laboratory)
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GUI / Vis updates / Intercom updatesSpeakers: John Allison, Makoto Asai (SLAC National Accelerator Laboratory (US))
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Examples updatesSpeaker: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR))
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Analysis updatesSpeaker: Guy Barrand (Centre National de la Recherche Scientifique (FR))
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10:30 AM
break
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Plenary 7 - Code evolution strategies
- Git openness
- C++11/14/17
- Integrating longer-term R&D outcomes
Conveners: Makoto Asai (SLAC National Accelerator Laboratory (US)), Gabriele Cosmo (CERN)-
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Migration to C++11/14/17Speaker: Benjamin Morgan (University of Warwick (GB))
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Integrating R&D outcomesSpeaker: Makoto Asai (SLAC National Accelerator Laboratory (US))
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Git opennessSpeakers: Gabriele Cosmo (CERN), Pere Mato Vila (CERN)
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12:30 PM
lunch break
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Parallel 6A - Open topics in physics lists and validation tools
DoSSiER
process level/ physics list level tests
Physics list documentation, userDoc & generated doc
Geant validation DB
Template removal in physics lists, if progress
Physics lists factories,
Physics lists examples & documentationConveners: Gunter Folger (CERN), Hans-Joachim Wenzel (Fermi National Accelerator Lab. (US))-
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Physics List Factory - an UpdateSpeaker: Robert William Hatcher (Fermilab)
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Geant4 valSpeaker: Dmitri Konstantinov (Institute for High Energy Physics of NRC Kurchatov Institute (R)
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DoSSiERSpeaker: Hans-Joachim Wenzel (Fermi National Accelerator Lab. (US))
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(Extension of 7A) - IntroductionSpeakers: Marc Verderi (Centre National de la Recherche Scientifique (FR)), Witold Pokorski (CERN)
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(Extension of 7A) - Machine Learning in simulation & discussion
Presentation of what could bring Machine Learning to simulation, and discussion on it.
Speaker: Marilena Bandieramonte (CERN)
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Parallel 6B - Basic, Extended and Advanced Examples
Presentation of development in extended and advanced examples
Discussion: Status of Work Plan 2018 ItemsConveners: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR)), Susanna Guatelli-
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Current status of the Geant4 Advanced ExamplesSpeaker: Susanna Guatelli
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Hadrontherapy: status, recent updates, and new developmentsSpeaker: G. Petringa
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B&E Examples WG: Work plan itemsSpeaker: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR))
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New extended/physicslists categorySpeaker: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR))
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New extensibleFactory exampleSpeaker: Robert William Hatcher (Fermilab)
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DICOM2 + Proposal for new demonstration of using statistic toolsSpeaker: Jonathan Madsen (Lawerence Berkeley National Laboratory)
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3:30 PM
break
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Parallel 7A - Medium- and longer-term R&Ds
Discuss R&D activities related to machine learning, parallelism, vectorization in general, and Geant-V status, use of co-processor, etc.
Note that the session has been extended partly to 6A and 8A.Conveners: Marc Verderi (Centre National de la Recherche Scientifique (FR)), Witold Pokorski (CERN)-
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Geant4 tasking modelSpeaker: Jonathan Madsen (Lawerence Berkeley National Laboratory)
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Vectorisation of EM physicsSpeaker: Marilena Bandieramonte (CERN)
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Vectorisation of Bertini cascadeSpeaker: Guilherme Lima (FermiLab (US))
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Parallel 7B - Git Workflows for Development and Testing Geant4
Feedback on current Git workflow
Current issues, identify missing/needed features
Public/Private Development and integration with Issue tracking
Working session on adding tools for workflow and to assist testingConveners: Benjamin Morgan (University of Warwick (GB)), Gunter Folger (CERN) -
Banquet
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Parallel 8A - Technical aspects of hadronic physics and remaining topics
This fourth, and last hadronic parallel session is meant to cover technical aspects of hadronic physics, as well as any other topic which needs further discussions or relevant presentations that could not be included in the previous three parallel sessions.
Conveners: Gunter Folger (CERN), Dennis Herbert Wright-
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ProtonHP: Status and Problems - Pablo Cirrone
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Discussion of ParticleHP Maintenance - Michel Maire
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(Extension of 7A) - Vectorisation of RND enginesSpeakers: John Apostolakis (CERN), Soon Yung Jun (Fermi National Accelerator Lab. (US))
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(Extension of 7A) - Optical Photon Mediator for Vectorization, GPU and FastSimSpeaker: Soon Yung Jun (Fermi National Accelerator Lab. (US))
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(Extension of 7A) - Discussion
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Parallel 8B - Updates on Vis
- Global update on vis
- Qt driver status
- Other drivers status
Conveners: John Allison, Laurent Garnier-
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Global update on visSpeaker: John Allison
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Exploring G4 on Android and iOS.Speaker: Guy Barrand (Centre National de la Recherche Scientifique (FR))
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Other driver status
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Open discution
- Open inventor
- Migration from OpenGL to Metal
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10:30 AM
break
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Plenary 8 - Summary of parallel sessions
Reports from parallel sessions
Conveners: Dr Jonathan Madsen (Lawerence Berkeley National Laboratory), Xiaoxiao Cai (ESS/DTU)-
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Report on Parallel Session 1A and 2A
Report from EM physics parallel sessions
Speakers: Vladimir Ivantchenko (CERN), Sebastien Incerti (CNRS/IN2P3), Mihaly Novak (CERN), Luciano Pandola (INFN-LNS) -
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Report on Parallel Session 1BSpeakers: Soon Yung Jun (Fermi National Accelerator Lab. (US)), Gunter Folger (CERN)
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Report on Parallel Session 2BSpeakers: Alexander Howard (Imperial College (GB)), Laurent Garnier
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Report on Parallel Session 3BSpeakers: Makoto Asai (SLAC National Accelerator Laboratory (US)), Gabriele Cosmo (CERN)
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Report on Parallel Session 4BSpeakers: Gabriele Cosmo (CERN), John Apostolakis (CERN)
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Report on Parallel Session 5BSpeakers: Marc Verderi (Centre National de la Recherche Scientifique (FR)), Alexander Howard (Imperial College (GB))
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Report on Parallel Session 6ASpeakers: Gunter Folger (CERN), Hans-Joachim Wenzel (Fermi National Accelerator Lab. (US))
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Report on Parallel Session 6BSpeakers: Ivana Hrivnacova (Centre National de la Recherche Scientifique (FR)), Susanna Guatelli
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Report on Parallel Session 7BSpeakers: Benjamin Morgan (University of Warwick (GB)), Gunter Folger (CERN)
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12:30 PM
lunch break
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Plenary 9 - Summary of parallel sessions / closing session
Reports from parallel sessions
Release schedule
Next meeting
Closing remarksConveners: Luciano Pandola (INFN-LNS), Paul Gueye (Hampton University)-
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Report on Parallel Session 3A, 4A, 5A and 8A
Reports on hadronic physics parallel sessions
Speakers: Dennis Herbert Wright, Julia Yarba, Krzysztof Genser (Fermi National Accelerator Laboratory (US)), Gunter Folger (CERN) -
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Report on Parallel Session 7ASpeakers: Marc Verderi (Centre National de la Recherche Scientifique (FR)), Witold Pokorski (CERN)
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Closing remarksSpeakers: Makoto Asai (SLAC National Accelerator Laboratory (US)), Marc Verderi (Centre National de la Recherche Scientifique (FR))
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Adjourn
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Steering Board meetingConveners: Makoto Asai (SLAC National Accelerator Laboratory (US)), Marc Verderi (Centre National de la Recherche Scientifique (FR))
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