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| Home > Publications database > Operational experience and performance of the Belle II silicon vertex detector after the first SuperKEKB long shutdown |
| Journal Article | PUBDB-2025-00291 |
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2024
Elsevier
[Amsterdam]
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Please use a persistent id in citations: doi:10.1016/j.nima.2024.169652 doi:10.3204/PUBDB-2025-00291
Abstract: The Belle II experiment searches for beyond-the-standard-model physics using the Belle II detector and SuperKEKB collider. The silicon vertex detector (SVD) is crucial for particle tracking. After the 1.5-year shutdown from June 2022, Run 2 began in January 2024; Run 2 operation shows stable noise levels, high signal-to-noise ratios, and hit efficiency over 99%. To manage higher beam background from increased luminosity, new techniques such as hit-time selection and cluster grouping are being developed. These methods increase the acceptable level of occupancy by distinguishing hits from triggered collisions and other sources.
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