Würzburg 2018 – scientific programme

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T: Fachverband Teilchenphysik

T 40: Detektorsysteme I

T 40.9: Talk

Tuesday, March 20, 2018, 18:30–18:45, Z6 - SR 2.007

FANGS: Radiation monitoring during the commissioning phase of the Belle II detector — •Patrick Ahlburg, Jochen Dingfelder, Andreas Eyring, Jens Janssen, Hans Krüger, Carlos Marinas, David-Leon Pohl, and Norbert Wermes — University of Bonn

The SuperKEKB accelerator has been upgraded with the goal of an instantaneous luminosity 40 times higher compared to KEKB. Before the installation of the Belle II vertex detector in 2018, the BEAST II experiment has been developed for the study of machine induced backgrounds during the commissioning phase of the SuperKEKB accelerator. The experiment will measure the expected radiation for the components of the inner detectors and support the tuning of the accelerator beam optics and collimator system.

The FANGS (FE-I4 ATLAS Near Gamma Sensors) detector is part of the BEAST II experiment and with its hybrid pixel sensors from the ATLAS IBL modules sensitive to low keV X-rays and high particle rates. The scope of this talk revolves around the production of the FANGS detector, the final performance tests and the recent installation in the BEAST II experiment in November 2017.