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Version 0.7.0

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@sethrj sethrj released this 11 Oct 17:19
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v0.7.0
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Learn about vigilant mode.

Version 0.7.0 is a long-overdue major update to Celeritas featuring many new capabilities.

  • Optical physics is now fully supported, including surface properties, Geant4 process integration, and Mie/WLS processes.
  • A LArSoft plugin that stands in for PDFastSimPar uses full-fidelity MC transport on CPU or GPU for optical photon transport from simulated energy deposition.
  • The EM tracking loop is now asynchronous (relying on built-in CUDA asynchronous streaming and events rather than an additional control thread).
  • ORANGE geometry navigation is now substantially faster and now completely supports Geant4 quadric solids.
  • G4 tracking manager integration is now set up automatically rather than requiring BeginOfRun/EndOfRun actions.

Major known deficiencies include:

  • Surface normal calculations for VecGeom is unsupported, so optical physics will be wrong if any surface physics is used.
  • The behavior of reflectivity/efficiency grids acting as pure absorbers around sensitive detector regions (i.e., black boxes for splicing) currently differs from Geant4.
  • Tessellated solids are not supported when using ORANGE.
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