| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2013: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2012: ¥10,530,000 (Direct Cost: ¥8,100,000、Indirect Cost: ¥2,430,000)
Fiscal Year 2011: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2010: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
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| Research Abstract |
The goal of this research is to reduce the information generated by the pixel detector of the Belle II experiment using the information generated by the Silicon Vertex detector. The pixel detector is placed at the closest location from the colliding beams wheres the Silicon Vertex detector, the next closest. The size of the output data from the pixel detector is, without compression or any other means of reduction, about 800KB for each event of a collision of an electron and a positron at the rate of 30 KHz. The total amount of the data is much larger than the amount that the Belle II experiment can record. This we would like to use the information from the four layer Silicon Vertex detector to make the tracking information and estimate which region on the Pixel detector the track has past. Then we can only keep the data in the region where the tracks have passed. The extrapolation must be done quickly so that the decision to keep/throw away is made in time.
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