GEOM080713¶

Date for next meeting: 29 July at 15.00 BST

• Geometry (Ryan Bayes)
• Geometry Verification (Stefania Ricciardi)
• Absorbers (Pavel Snopok)
• CAD Models (Jason Tarrant)
• Detector Groups: Tracker (Chris Heidt?)
• Magnets (Victoria Blackmore, others?)
• AOB

Discussion Items from Previous (i.e. Collaboration) Meetings¶

• What are the priorities for geometry development?
• How do we include the survey information?
  • See notes from Chris in previous meeting
• Does the list of members need to be redefined?
• How does (should) the MAUS geometry interact with the g4beamline geometry?
  • See notes from Chris in previous meeting

Actions from Previous Meeting¶

• Jason - to refine CAD models in beam acceptance region (He windows, flanges, etc..)
  • DONE
• Ryan - solve problen in traslation GDML->MAUS Modules
  • DONE using GEANT 4.9.6 time reduced to 10-20 minutes (used to be several hours). It is feared that that is due to the complexity of the model (tessalleted solids to build cilindycal objects)
• ACTION: Ryan to upload Jason's CAD model to DB to have a first version of STEP IV geometry in a MAUS release.
  Diffuser and cooling channel in two separate CAD files to be merged.
  • STANDS
• ACTION: Stefania to check how much time/particle/s with CAD geometry on RAL Tier2 (Matt reports 2.8 s/particle on his laptop)
  • STANDS Stefania checked that legacy files give 2.7s/muon with STEP IV on TIER2 PPD machines
• ACTION translate TOF (from legacy files updated by Durga), DIFFUSER (CAD files from Jason) geometry to gdml and store to DB (Ryan)
  • STANDS - integrated legacy geometries, but positioning of TRACKERS, DIFFUSER, and ABSORBERS still needed
• ACTION: Integrate Absorber (MAUS Modules) by Pavel in new geometry and store to DB (Ryan)
  • NEW
• ACTION: FIX tracker GDML files - problem in translation to MAUS Modules (Ryan and Chris H.)
  • STANDS
• ACTION: Improving TRACKER Geometry description - fibres outside fiducial region (Heidt)
  • STANDS
• ACTION: GEANT4 warning messages when geometry from CAD import is used (Ryan)
  • DONE - removed from upgrade to g4.9.5
• ACTION: Produce geometry documentation for code developers and pass information to Ryan (Matt)
  • REJECTED - Matt has long since left
• ACTION: Victoria Blackmore to implement magnet field map interface (Victoria)
  • STANDS

Phone etc¶

Dial-in numbers¶

• UK: 0844 4 73 73 73
• Switzerland: 0848 560 347
• US: 1 415 363 0833 (or 1 646 652 0772)
• Italy: 0821 230 749
• Others listed below
• Skype +49 1803 001 178

PIN: 746868 (PIMUNU)

International Dial in numbers¶

• UK: 0844 4 73 73 73
• Austria 0820 4000 1502
• Belgium 070 35 98 66
• France 0821 230 749
• Germany 01803 001 177
• Ireland 0818 270 007
• Italy 848 391 819
• Netherlands 0870 001 909
• Poland 0801 003 533
• South Africa 087 550 0375
• Spain 902 885 318
• Sweden 0939 2066 300
• Switzerland 0848 560 347
• United States 1 415 363 0833 (or 1 646 652 0772)
• Skype +49 1803 001 178
• World +44 844 580 0555

Actions¶

• Jason - to circulate material properties and STEP/IGES fiels for latest model
  • NEW
• ACTION: Ryan to upload latest Jason's CAD model to DB to have a first version of STEP IV geometry in a MAUS release.
  Diffuser and cooling channel in two separate CAD files to be merged.
  • STANDS A frist version without diffuser and less elements (simpler meterial breakdowsn) has however been uploaded to the DB
• ACTION: Stefania to check how much time/particle/s with CAD geometry on RAL Tier2 (Matt reports 2.8 s/particle on his laptop)
  • STANDS Stefania checked that legacy files give 2.7s/muon with STEP IV on TIER2 PPD machines
• ACTION translate TOF (from legacy files updated by Durga), DIFFUSER (CAD files from Jason) geometry to gdml and store to DB (Ryan)
  • STANDS - integrated legacy geometries for TOF, translation to GDML regarded low priority but will be done
• ACTION: Integrate Absorber (MAUS Modules) by Pavel in new geometry and store to DB (Ryan)
  • STANDS
• ACTION: FIX tracker GDML files - problem in translation to MAUS Modules (Ryan and Chris H.)
  • STANDS
• ACTION: Improving TRACKER Geometry description - fibres outside fiducial region (Heidt)
  • STANDS
• ACTION: Victoria Blackmore to implement magnet field map interface (Victoria)
  • STANDS