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Münster 2017 – scientific programme

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T: Fachverband Teilchenphysik

T 116: Detektorsysteme 4

T 116.6: Talk

Thursday, March 30, 2017, 18:05–18:20, VSH 17

FANGS, A radiation monitoring detector system for the Beast II experiment of Belle IIPatrick Ahlburg, Jochen Dingfelder, Andreas Eyring, Viacheslav Filimonov, •Nandita Khetan, Hans Kruger, Carlos Marinas, Laura Mari, David .L Pohl, and Norbert Wermes — University of Bonn

The upgrade from KEKB to SuperKEKB is expected to lead to an increase of a factor of 40 in luminosity compared with KEKB. This requires the Belle II detector components, in particular the vertex detector close to the interaction point, to be sufficiently radiation-tolerant to cope with the higher event rates and background radiation. BEAST II, a dedicated detector system to study background radiation and also help in machine commissioning will be employed in Phase 2, which is expected to start at the beginning of 2018. This experiment will measure the expected radiation dose for the inner detectors and therefore ensure a radiation safe environment for the final vertex detector system.

FANGS (FE-I4 ATLAS Near Gamma Sensors), a part of the BEAST II detector system dedicated to radiation monitoring, based on ATLAS-IBL front-end electronics and planar silicon sensors is currently being developed and characterized for this purpose. FANGS is sensitive to low KeV X-rays and can operate at high particle rates. This talk will discuss the development of the FANGS modules and their integration in the BEAST II experiment.

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