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Latest results of a monlithic active pixel sensor prototype for the CEPC vertex detector

Aug 11, 2022, 2:20 PM


Dr Tianya WU (Institute of high energy physics(Beijing)) Wei WANG (IHEP)


The proposed Circular Electron Positron Collider (CEPC) imposes new challenges for the vertex detector in terms of high resolution, low material, fast readout and low power. A Monolithic Active Pixel Sensor (MAPS) prototype, called TaichuPix, based on a data-driven structure and a column drain readout architecture, has been implemented to achieve fast readout. This poster presents the charge collection performance of TaichuPix2 by using a radioactive source. At the same time, an infrared laser setup was used to verify the spatial resolution, which indicates a spatial resolution better than 5 µm.

Primary authors

Dr Tianya WU (Institute of high energy physics(Beijing)) Wei WANG (IHEP)


Presentation materials