1. New photon detector R&D for Megaton water Cherencov detector
MT 2007 May09

2. R&D -two direction- France Japan Photon detector R&D
Readout system R&D
Photocathode
Scint
PMT
Hybrid Photon
Detector
HybridPMT
PMT
Low noise Preamp ASIC on HPD
+ Q-T/waveform recoder ASIC
Multichannel FE ASIC, close to the PMTs

3. Collaboration
It is difficult to finalize Mton detector system (incl. readout system) at present.
Compromise over performance and cost
Development of components
(which will be adopted for Water Cherencov)
Exchange information of R&D
Discussion of Mton detector system
(This can be done as we have done)
Next slide
TV conference
etc

4. R&D - Development of components -
France
Japan
Photon detector R&D
Readout system R&D
Photocathode
Scint
PMT
Qdet > 106
Qdet ~ 105
This combination
Development and evaluation
of ASICs with HPD
This R&D has been done in France
This R&D has been done in Japan
Multichannel FE ASIC, close to the PMTs
Low noise amp ASIC as FE
Waveform sampler ASIC as BE

5. Benefits which can be gained from FJPPL
For both sides
Save manpower for ASIC development
Cross measurements decrease bugs
For Japanese-side
Access new technologies (AMS 0.35um process) with low risk
For French-side
Know-how of construction of large water Cherencov detector through discussion

6. Plan and status Evaluation of FE-ASIC(MAROC2) with HPD in Japan.
Tested at LAL
Received on April
ASIC design based on the result.（FY2007 fall)
Done by us (collaboration between F-J)
Applicable ASIC for Not only HPD but also multi-pixel HPD