New photon detector R&D for Megaton water Cherencov det

ectorMT 2007 May09

R&D -two direction-France Japan

Photon detector R&D

Readout system R&D

Photocathode

Scint

PMT

Multichannel FE ASIC, close to the PMTs

HybridPMTPMT

Hybrid Photon Detector

Low noise Preamp ASIC on HPD+ Q-T/waveform recoder ASIC

Collaboration• It is difficult to finalize Mton detector system (i

ncl. readout system) at present.– Compromise over performance and cost

Development of components (which will be adopted for Water Cherencov)

Exchange information of R&DDiscussion of Mton detector system(This can be done as we have done)

Next slide

TV conferenceetc

R&D - Development of components -France Japan

Photon detector R&D

Readout system R&D

Photocathode

Scint

PMT

Multichannel FE ASIC, close to the PMTs

This combinationDevelopment and evaluationof ASICs with HPD

Qdet > 106 Qdet ~ 105

This R&D has been done in France

This R&D has been done in Japan

Low noise amp ASIC as FEWaveform sampler ASIC as BE

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

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