Performance Studies of Belle II Silicon Vertex Detector.

Kavita Lalwani for Belle II SVD group

21 December 2018

Abstract: he Belle II experiment at the SuperKEKB asymmetric-energy e + e − collider in KEK, Japan will operate at an instantaneous luminosity of 8 × 10 35 cm −2 s −1 , which is about 40 times larger than that of its predecessor, Belle. It is built with the aim of collecting a huge amount of data corresponding to an integrated luminosity of about 50 ab −1 by 2025 for the precise CP violation measurements and searches for new physics. At this high luminosity, Belle II will face harsh backgrounds. To validate the performance of a key component of Belle II, the silicon vertex detector (SVD) at such high rate and harsh background environment, a detailed systematic performance study is essential using offline software reconstruction. In this work, performance of the Belle II SVD is validated using commissioning data for each sensor/side. These studies help us to understand and optimize the operation parameters of the SVD.

Keyword(s): Belle II, SuperKEKB, PXD, SVD, Strip Sensors
Note: N.A.

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 Record created 2018-12-20, last modified 2019-02-15

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