Document Geant4 scoring and its FLUKA counterpart - #61
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This adds a Geant4 scoring section to the simulation documentation. - A page on the scoring macro, the o2-sim options, the output format and the 1 MeV neutron equivalent weighting. - A page translating USRBIN cards to Geant4 commands, with the normalisation and the settings to match before comparing. - A ready-to-use macro g4scoring_alice.in, the one used for the ALICE FLUKA/Geant4 radiation comparison. Co-Authored-By: Claude Opus 5 <[email protected]>
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This adds a "Geant4 scoring" section to the simulation documentation, so that users who want radiation maps out of a Geant4 run have something to follow, and so that a FLUKA/Geant4 comparison can be set up without rediscovering the traps.
The section has two pages and one file:
docs/scoring/README.md— how to switch scoring on ino2-sim(G4.g4scoring,G4.configMacroFile), how to write the macro (meshes, quantities, filters), the output format and merging of per-worker dumps, and the 1 MeV neutron equivalent fluence via the weightedcellFluxand the RD50 damage weights.docs/scoring/flukacomparison.md— the same scoring in FLUKA:FlukaParam.scoringFile, theUSRBINcard layout, a quantity-by-quantity translation table, the normalisation difference (per unit primary weight against per run), the settings that have to match before comparing, and the black-hole check onflukaMat.inp.docs/scoring/g4scoring_alice.in— the macro used for the ALICE FLUKA/Geant4 radiation comparison, ready to append tog4config.in.The transport engines page gets a link to each of them.
Everything described is in
dev: the scoring options and the weightedcellFluxfrom the Geant4 fluence weighting, the per-worker dump merging ando2-sim-merge-g4scoring, and the damage weights for all hadrons and electrons.Assisted by Claude Code.