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Laser scan analysis for APV

Laser scan analysis for APV. 06/02/01 SVD upgrade meeting S.Ono. Sensor spec. wide. narrow. Strip width. S75-2 scan result. Charge collection efficiency 89.3%. Read out strip. Floating strip. S75-3 scan result. Charge collection efficiency 85.4%. VA1TA readout. APV25 readout.

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Laser scan analysis for APV

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  1. Laser scan analysis for APV 06/02/01 SVD upgrade meeting S.Ono

  2. Sensor spec. wide narrow Strip width

  3. S75-2 scan result Charge collection efficiency 89.3% Read out strip Floating strip

  4. S75-3 scan result Charge collection efficiency 85.4% VA1TA readout APV25 readout

  5. S75-4 scan result Charge collection efficiency 86.4% VA1TA readout APV25 readout

  6. S75-2 position resolution ? Hit position by center of gravity Laser incident position Entry Entry Position ① [mm] Position ② [mm] Position correlation Residual Position ② Entry Position ① ①－② R.M.S= 11.2

  7. S75-3 position resolution ? Laser incident position Hit position by center of gravity Entry Entry Entry Position ① [mm] Position ② [mm] Position correlation Residual Position ② Entry Position ① ①－② R.M.S=14.2

  8. S75-4 position resolution ? Hit position by center of gravity Laser incident position Entry Entry Position ② [mm] Position ① [mm] Position correlation Residual Position ② Entry Position ① ①－② R.M.S=12.3

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