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May 21 – 26, 2017
Beijing International Convention Center
Asia/Shanghai timezone

Integration and characterization of the vertex detector in SuperKEKB commissioning Phase 2

May 25, 2017, 2:18 PM
18m
Room 305C (Beijing International Convention Center)

Room 305C

Beijing International Convention Center

No.8 Beichen Dong Road, Chaoyang District, Beijing P. R. China 100101
oral Experimental detector systems R2-Experimental detector systems(5)

Speaker

Dr Hua Ye (DESY)

Description

As an upgrade of asymmetric e+e- collider KEKB, SuperKEKB aims to increase the peaking luminosity by a factor of 40 to 8*10^{35}cm^{-2}s^{-1}. The SuperKEKB commissioning is achieved in 3 phases. The Phase 1 was successfully finished in June.2016. Now the commissioning is working towards the Phase 2 targeting to reach the luminosity of 1*10^{34}cm^{-2}s^{-1}. In Phase 2, the beam induced background versus luminosity and beam current will be investigated, to ensure a radiation safe operation environment for the Belle II vertex detector during the Physics data taking in Phase 3. The final focusing magnets will be installed and partial Belle II detector will be rolled in. Closed to the beam pipe, 2 pixel and 4 double-sided strip detector layers will be installed, together with the dedicated radiation monitors, FANGS, CLAWS and PLUME, which aims at investigating the backgrounds near the interacting point. The Phase 2 vertex detector integration was practiced and the combined beam test was accomplished at DESY. In this talk, the status of the vertex detector and the beam tests results are presented.

Primary author

Dr Hua Ye (DESY)

Presentation materials