Timelines and Names

Personell FTEs and actual people

today and prospected to the end of 2006, obviously not enough

• Cracow 0.3 FTE (1 person)
• Dubna 5 FTE (5 people)
• Edinburgh 0.5 FTE (3 people)
• Erlangen 0.5 FTE (2 people)
• Ferrara 1.2 FTE (2 people)
• Giessen 1.8 FTE (4 people)
• Glasgow 2-4.5 FTE (>5 people)
• GSI 2.2 FTE (6 people)
• Mainz 0.5 FTE (2 people)
• Vienna >0.6 FTE (2 people)

Organization

1 Cerenkov group rather then 3 subdetector groups

• Coordination:
  • C. Schwarz (GSI)
  • R. Kaiser (Glasgow)
  • M. Ehrenfried (Giessen)

• Exchange of information:
  • Forum and Wiki (no hypernews)

• Meetings:
  • 1 Meeting every month via VRVS
  • 1 Subgroup Meeting at every Collaboration Meeting,
  • 1 Workshop/year (2007 in Ferrara)

Hardware, Institutes:

Radiator

• Quartz
  • (GSI, Dubna, Glasgow, Mainz, Ferrara(polishing))

• Plexiglas, other plastics
  • (GSI, Giessen)

• Aero gel
  • (no R&D needed)

Mechanics

• Barrel
  • GSI
• Endcap
  • Edinburgh, Glasgow
• Forward
  • Cracow

Optics (general issue for all)

• lenses
• mirrors
• fused fibers

Sensor

• PMTs
  • (Erlangen)

• MAPMTs
  • (Erlangen, Mainz)

• HPDs
  • (Glasgow)

• MCP
  • (Erlangen, Giessen, Glasgow)

• SAPDs
  • (Silicon PMT) (Vienna, Dubna)

Readout Elektronics

• N.N.

Names

Conceptual design:

Working force (Conceptual design & Software)

Cracow (0.3, Forward)

Edinburgh (0.3, Disk)

Ferrara (1.0, Barrel)

Giessen (>0.5, Disc)

Glasgow (>1.3, Magnet, Reco)

GSI (>0.2, Barrel)

• Concept coordination
  • B. Seitz (Glasgow)

• Simulation, ray-tracing
  • A. Cecchi (Ferrara) asap adapting BaBar code for Panda use report Sep06

• Barrel
  • G. Schepers, C. Schwarz (GSI) report Sep06

• DISC
  • R. Schmidt (Giessen) report Sep06

• TOP
  • K. Foehl (Edinburgh), feasibility for disc report Jun06

• 3D
  • G. Schepers, C. Schwarz (GSI) report Dec06

• Endcap Fallback (same as barrel)
  • N.N. (Glasgow) report Sep06

• Dispersion correction
  • N.N. (Edinburgh, Glasgow) report Sep06

Software:

• Geometry (XML derived from G4, Step Files or programs)
  • A. Cecchi (Ferrara) Barrel DIRC
  • A. Wronska (Cracow) Forward RICH
  • N.N. Endcap

• Simulation
  • K. Götzen (GSI) Fast Simulation (Barrel DIRC, Endcap, Forward RICH)
  • A. Cecchi (Ferrara) Full Simulation (Barrel DIRC, part of conceptual design)
  • N.N. Endcap
  • N.N. Forward RICH

• (on hold) Condition database

• calibration, alignment, likelihood constants, net weights Reconstruction
  • A. Cecchi (Ferrara) Barrel DIRC
  • N.N. (Glasgow) RICH
  • N.N. Forward RICH

DIRC Radiator:

Radiator Questions:

• company for artificial fused silica (St. Gobain/Schott)
• choice of plexiglas
  • xs extruded (slabs) h_da
  • gs polymerization between glass (sheets) Degussa/Röhm
• surface quality
• light absorption/attenuation (Mainz)
• optical homogenity
• mechanics
  • stress (gravity, thermal)
• radiation hardness

• Quartz
  • G. Schepers, C. Sfienti, C. Schwarz (GSI)
  • N.N. (Mainz)
  • N.N. (Dubna)
  • M. Hoek, B. Seitz (Glasgow)

• Plexiglass
  • G. Schepers, C. Sfienti, C. Schwarz (GSI)
  • M. Ehrenfried, M. Düren, J. Streit-Lehman, R. Schmidt (Giessen)
  • M. Hoek, B. Seitz (Glasgow)

DIRC Photon Detectors:

• TOP (lifetime of channel plate PMT, reference time (TOP), verification of the TOP principle, time resolution/electronics)
  • A. Lehmann, A. Teufel (Erlangen) PMT issues
  • N.N. time reference and resolution issues
• APDs (test single photon time resolution, dark count vs. temperature/after pulse tradeoff, size, mirrors, reference time, SAPD or SiPMT)
  • N.N. (Dubna), N.N. (Vienna) [INTAS Open Call]
• PMT (mechanics/infrastructure reference design BaBar, influence by magnetic field, simulations, improvements (mirror, HPD, MCP,...))
  • A. Lehmann, A. Teufel (Erlangen) PMT and alternatives
  • N.N. mirrors

DIRC Endcap:

• Radiator (radiation hardness (may be harder then in barrel), geometry (single piece, pizza slice), silica size, plexiglas thickness,simulation shape of slices)
  • R. Schmidt (Gießen), B. Seitz (Glasgow)
• Photon detection (see barrel (channel plate PMT, SAPD in magn. field, confined space))
  • M. Hoek (HPDs, MCPs), E. Downie (magnetic field studies) (Glasgow)
• Fallback solution needed (copy Barrel DIRC concept, straight material, readout outside magnet (through yoke) alternating sides, holes in the magnet, hole in the middle, effect on muon counters, simulation muon coverage loss)
  • R. Kaiser (Glasgow)

Forward RICH:

• Radiator (Aero gel (+C4F10))
  • no R&D
• Readout
  • Sensors
    • PMT (multi-channel)
      • A. Lehmann, A. Teufel (Erlangen)
    • HPDs
      • N.N.
  • via mirrors (1 or 2)
    • N.N.
• Geometry (size of the focal plane/photon detector array)
  • N.N.
• Cost estimates
  • R. Kaiser (Glasgow)
• Simulations
  • A. Wronska (Cracow) XML file
  • N.N. (Full simulations)

-- GeorgSchepers - 15 May 2006