DRIFT CHAMBER GEOMETRY SIMULATION

Open questions (deadline September 1997)

• Geometry (DchSimGeom) [E. Lamanna, M. Posocco, S. Rahatlou] :

• • Update Drift Chamber material; (E. Lamanna)
  • Spead Up the code using only one step in the cell; (E. Lamanna)
  • Multiple Scattering in the wires switched on; (E. Lamanna, S. Rahatlou)
  • Low momentum particles < 2 MeV to be introduced; (E. Lamanna)
  • More Realistic dE/dx considering experimental results; (M. Posocco)
  • Internal check of DchSimGeom; (S. Rahatlou)

• Digitization (Who ?) [Maryland]:

• • Make DchSim operative;
  • Improving merging of hits;
  • Fully-functional new-style digis , well-defined access to GHits;

  Cell study to extract Distance to Time and Time to  distance conversion;(G. Sciolla,S. Wagner, R.K. Yamamoto)
  
  
  

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  Open questions (deadline December 1997)

• Geometry:
• • Use of same geometry Data Base for simulation and reconstruction; (E. Lamanna, R. Stroili)
  • Migration from Geant3 to Geant4, fast Monte Carlo parameterization; (C. Dellapiccola, D. Fong, A. Hasan, E. Lamanna, M. Posocco, C. Perri)
  • Introduction of cell geometry inefficiencies and sagitta for wires; (E. Lamanna, M. Posocco)
• Digitization:
• • dE/dx response including cell edge effects (M. Posocco);
  • Background implementation;
  • Cell correlation response due to induced charge, and Electronics;
  • Electronics response study and interaction with Electronics & Online group.
• Quality check of full chain [S. Rahatlou,.....]:
• • Simulation
  • Digitization
  • Reconstruction
  • Track finding
  • Track fit
  • Vertex fit
  • Invariant mass .