Abstract
The Belle II experiment will run with a reduced beam asymmetry and a factor of 40 higher instantaneous luminosity compared to the Belle experiment. To cope with this and to be able to perform high precision vertex measurements for charge conjugation parity violating processes, a pixel detector based on DEPFET technology will be installed in the center of Belle II. Its basic properties and the DAQ chain are presented in this article. • The Belle II experiment will achieve a 40 times higher luminosity compared to Belle. • To study CP violating processes, Belle II is equipped with a pixel detector. • The pixel detector is based on DEPFET technology with a read out frequency of 30 kHz. • Online data reduction is performed by removing background hits during DAQ. • The goal is a data reduction by a factor of ten for full luminosity.
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