Alignment and physics performance of the Belle II vertex detector

Jakub Kandra ; Tadeas Bilka

05 June 2017
Flavor Physics & CP Violation

Abstract: The Belle II experiment at the SuperKEKB accelerator will start to take physics data in 2018. One of the major upgrades of the Belle II detector introduces a DEPFET pixel sensors in the two innermost layers of its silicon vertex detector, followed by four layers of silicon strip sensors. Excellent performance of the vertex reconstruction is a crucial ingredient in CP violation measurements and will require reliable and fast alignment procedure and continuous monitoring of the detector performance. To address the possible systematic errors of the procedure, a dedicated study has been performed to identify and evaluate influence of possible random and systematic deformations of the vertex detector on physics observables.

Keyword(s): Alignment, ; Silicon detectors, ; Vertex detector, ; Weak modes

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 Record created 2017-06-02, last modified 2017-06-02

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