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New Results from the Silicon Vertex Detector of the Belle II Experiment

Corona L.
•
Adamczyk K.
•
Aggarwal L.
altro
Zani L.
2021
  • conference object

Periodico
POS PROCEEDINGS OF SCIENCE
Abstract
The Silicon Vertex Detector (SVD) consists of four layers of double-sided silicon strip sensors. The SVD is one of the two vertex subdetectors within Belle II. Since the start of data taking in 2019 at the Super-KEKB collider (KEK, Japan), which has the highest peak-luminosity ever recorded, the SVD is operated reliably and with high efficiency, despite exposure to harsh beam background. Measurements using data show that the SVD has both high signal-to-noise ratio and hit efficiency, as well precise spatial resolution. Further these properties are stable over time. Recently the simulation has been tuned, using data, to improve the agrement between data and MC for cluster properties. The good hit-time resolution can be exploited to further improve the robustness against the higher levels of background expected as the instantaneous luminosity increases in the next years of running. First effects of radiation damage on strip noise, sensor currents and depletion voltage have been measured, although they do not have any detrimental effect on the performance of the detector.
Archivio
https://hdl.handle.net/11368/3038838
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85129425478
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by-nc-nd/4.0/
FVG url
https://arts.units.it/bitstream/11368/3038838/1/CoronaPOS2021.pdf
Soggetti
  • SVD

  • vertex detector

  • solid state detector

  • semiconductor detecto...

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