| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2011: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
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| Research Abstract |
This research is for directional dark matter searchwith the detector which can work as large mass detector. To do that, we proposed the very high resolution nuclear emulsion, and started R&D of the technology. In this subject, representative of this research promoted the project by being central figure and advanced the practical application. In terms of development of detector itself, we succeeded the micronization to 20 nm sizes for silver halide crystals constituting the nuclear emulsion, and its technology enabled more stable production under various conditions in production processes. Also, automatic read-out system based on optical microscope was constructed, and the submicron tracks expected as dark matter signal could be read out automatically. This system demonstrated by neutron recoil signal. Simultaneously, we developedthe X-ray microscope system for final confirmation of candidate signals in SPring-8, and this system was turned into the practical use.By these R&D, we constructed the procession of system from detector production to data analysis, and we can go to the phase of test run.
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