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Outlook: 2010 & beyond

This overview discusses the diverse application areas of Geant4 in High Energy Physics (HEP), medical physics, and space applications, as well as the challenges faced in maintaining and improving its use. It highlights the significance of Geant4 in analyzing LHC data, proton therapy, and emerging ion therapy techniques. The presentation emphasizes ongoing trends, the emergence of new applications like GATE and G4BeamLine, and the importance of using modern computational platforms. It also provides a personal perspective on the future development of Geant4.

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Outlook: 2010 & beyond

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Presentation Transcript

  1. Outlook: 2010 & beyond John Apostolakis

  2. Overview • Application areas • HEP, Nuclear, Rare Event • Medical physics • Space applications • Challenges of success • Effort for maintenance • Some trends • Tools / applications based on Geant4 • Future platforms • Note: this is a personal perspective

  3. HEP • First LHC data and comparisons are upcoming • Geant4 is being used for two hadronic calibration schemes by ATLAS • First focus on understanding detectors • Lots of data will be compared with Geant4 predictions (against G4 9.2 patch1 or 2 – at least initially ) • Challenge of lots of feedback • Potential need to use alternative physics models, if differences are found • Some experiments may consider using the improved modeling available in G4 9.3 • Reduced effort on the comparisons with important test beams • Risk to lose these yardsticks – which are cleaner & easier to understand

  4. Medical Physics • Established uses in • Imaging • Proton Therapy • Emerging use in the hot/challenging area • Ion Therapy • Competition is stiff • Geant4 has improved and is very competitive • Many uses in Research are well established • Increasing use in checking treatment planning for protons • Hot area, with many developments ongoing

  5. Applications built on Geant4 • Growing trend • We have seen new ones at this meeting • Partial list • GATE, ptsSim, Gamos • G4BeamLine, BDSsim, .. • Slic (new) • Offer starting point that speaks the language of the domain • Allows people familiar with the domain to start ‘fast’ • Tool to get answers for a defined set of problems • Some users migrate to use Geant4 directly

  6. Some considerations Strengths Challenges Openness Flexibility Physics Functionality Configurability Tools Steep learning curve Guidance needed Challenge to Document

  7. The future platforms • Today 8 core CPUs • Next year 16 cores • In a few years • 100 cores or threads on a chip • 1000 pipelines processing units ( GPUs + CPUs )

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