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On-Going Individual R&D items at JLC

  • Vertex Detector ; See HwanBae-san's Talk for detail
    1. Thinnest CCD wafers and their distortion

    2. Radiation-hardness improvement and validation by electron beam irradiation

    3. Fast readout (10bit/40MHz) development

  • Intermediate Tracker ; See HwanBae-san's Talk for detail
    1. Simulation study on performance

    2. Case studies for various options

  • Central Tracker ; Also see Angelina-san's talk
    1. Two-track separation

    2. Space-charge effect

    3. Wire-material survey (Creep and Radiation Damage)

    4. FADC development

    5. Charge-division

  • Calorimeter ; See Matsunaga-san's Talk for detail
    1. Granurality optimization with a full simulator

    2. Fine-granularity EM calorimeter

    3. Direct-realout strip SHmax

    4. Super-multichannel photon detectors

    5. Cost-down and mass-production scheme


  • Muon Detector ; Not so much to list-up

  • Forward Region ; Not so much to say

    1. Forward trackers/very-forward Si disk

    2. Forward/very-forward calorimeter/tagger/veto

    3. Luminosity detector

  • IR Region ; See Yamaoka-san's and Aihara-san's Talks
    1. Support Tube design/study

    2. Effect of L*=4.3m optics (Pantaleo & Andrei) on detector design

    3. Real-time luminosity monitor, instrumented mask, beam monitor, pair monitor etc.

  • Simulation Works ; See Miyamoto-san's and Hoshina-san's talks.
    1. Full simulators ; G3(existing) & G4(under development)

    2. Hadron shower clustering, track-cluster associatoin, jet reconstruction
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yoshiaki.fujii@kek.jp, July 10,2002 at 5th ACFA LCWS at Tokyo