BaBar Offline Simulation Tasks

Core tasks
- generators
  - document how to run generators
  - produce standard ascii (stdhep) event files for BbsimModule and Bogus
  - generator reproducibility
    - fix Koralb. It adjusts weights after running n-events
  - make regression tests part of QA
  - two-photon output (currently ASCII)
  - optimization
- Geometry and materials
  - read ascii file for elements, isotopes and mixtures (Mossadek)
- Bbsim
  - interactive version of BbsimModule
  - Inverting dbio dependencies (Bill)
  - autogenerated code deprecation
  - testing reproducibility of BbsimModule (removal of non-Ranecu engines)
  - call list split, optimizing call list read
  - Profiling, optimization
- DbiEvent deprecation
  - convert BbsimModule zebra datastrctures to AbsEvent objects
  - new version of trgFrame to read multiple input DB files
  - purge autogenerated code from GHit/G3Data classes
  - inverting DbiEvent dependencies (not sure if this is needed anymore)
- Detailed detector response (SimApp)
  - trgDC QC
  - random number management - RandControl
  - optimization
  - measure event sizes with and without mixing
  - web page documentation
  - track matching/mc truth
- Digi mixing
  - Multiple input module - testing
  - Testing of collection attatchment/detachment
- Bogus
  - G4 tracking problem
  - Streamline BgsSequences so as not to link in the world
  - Treatment of long lived particle decays in G4
  - Selection/Exclusion of primaries from the G4 stack e.g. small angles
  - Standalone Bogus control via tcl files
  - CSG solids debugging
  - testing of booleans/divisions
  - Materials Scanner
  - G4 hits to GHits conversion
  - Physics comparisons
- Parameterized detector response (downstream modules)
  - parameterized version of TrkBgsModules
  - See what is needed to make reco-like objects persistant
  - Extract clean datasets for parameterizations
  - need subsystem PID simulations
  - Comparison of output of track parameters with full/detailed simulation
- Framework
  - Need package to read database and regenerate QA plots for digis
- Sim/Reco boundary
  - Common interface to Magnetic Field
- MCTruth development
  - improve Geant3-level genealogy in BbsimModule
  - implement G4-level genealogy based on G3 model
  - review GHit-digi association
  - GTrack - Reco track association
- G3toG4:
  - removal of nonstandard RW classes (done)
  - proper materials/mixtures handling (done)
  - cache LV/PV parameters (done)
  - display tracks in clGeometry example (done)
  - implement 'gsposp' mechanism (deferred LV parameters)
  - implement 'gsdv*' mechanism (divided volumes)
  - implement 'many' mechanism (booleans)
  - implement hits interface
  - promote clGeometry to examples/ area
  - provide up-to-date documentation
  - implement vis attributes interface
  - autogenerate G4 code
  - encapsulate G3toG4 global functions in a class
- EucIntfce:
  - divisions/deferred geometry calls
  - booleans
- Geant4
  - Fix tracking/navigator bugs
- CLHEP
  - merge and update to 1.4
- CERNLIB
  - migrate from 95a to pro
  - validate sim, reco and physics
- QA
  - elevate generator-level QA into formal QA
  - Standard control files to generate standard stdhep output from gen
  - Generate standard output sim/tru datasets from bbsim and Bogus from generator samples
  - Generate standard SimApp output files
  - bbsim QA histogram updates
  - QaSimAppHists:
    - histogram review
    - template QaSimAppStat class
- QC
  - BbsimModule/bbsim code walkthrough
  - memory leak checking Bogus and SimApp
  - run code wizard on Bogus and SimApp
Subsystem Tasks
- generic
  - test digi mixing
  - check random number usage
  - G4 hits
  - G4 geometries
  - incorporate detecor imperfections (wire maps, misalignments,.....)
  - PID for fast sim
  - Test persistance of objects from G4
  - detector imperfections, channel maps, misalignments, noise
- PEP
  - Q2 septum pipe update: copper, larger aperture (SD)
  - Q2 magnet core re-do, overlaps (TLG/BM)
  - Q4 LER beampipe overlaps
  - Finish volume overlap checks (G3)
  - implement SKEW quad material, fields
  - corrector magnet
  - G3toG4 conversion
  - Test G3toG4 geometry
  - re-do turtle rays, fixing coul/brem switch
- SVT
  - mask off missing modules
  - implement bonding maps, missing channels
  - Inclusion of deteails outside of tracking volume - eg matching cards
  - ongoing code optimization.
- DCH
  - New hit format (Full Sim)
  - move dEdX simulation from bbsim to DchSIm
  - move wire sag code from bbsim to DchSim
  - Inculsion of multiple scattering off of wires in G4
- TRK (PEP+SVT+DCH)
  - Fast parameterization of error matrix
- DRC
  - DIRC bar config in Geant for engineering run (June-Oct)
  - implement missing DIRC bars as AIR
  - add new bar tag (0) in DrcGTrkHits
- EMC
  - mask off noisy crystals in EmcSim
  - Need to make waveforms persistent
  - EMC shower parameterizations
  - Implementation/validation of full geometry in G4
- IFR
  - Fast geometry implementation (Plano)
  - Get innefficiencies/absorption probabilities (from Luca)
- trigger ( to be reviewed with trigger group)
  - Road map
  - (TrgDc.....)
  - Develop/Test digi mixing procedure
  - Incorporate L3 into SimApp sequences
Personnel Needed
- Replacement for Bogus Package Coordinator (Gabriele)
- Replacement for CLHEP Package Coordinator (Gabriele)
- Replacement for Fast Sim Coordinator (Mossadek)
- Replacement for DCH Sim coordinator (Ernesto)
- Replacement for Sumit
- Find help for DCH G4 full simulation (Caterina or replacement). Should this be an institutional responsibility? Contact David MacFarlane.
- Replacement for TrkBgsModules coordinator (Dallapiccola)
- Find help for leak checking
- Find help for updating Workbook
- Find someone to help implement PEP G4 full Bogus simulation (native, not G3toG4)
- Find EmcSim contact person replacement for Phil Strother (Naveen?)