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Fabrication of a prototype of the Belle-II central drift chamber for development of the level-1 trigger system

  • Original Paper - Particles and Nuclei
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Abstract

The Belle-II experiment at the SuperKEKB aims to achieve a target instantaneous luminosity of \(8\times 10^{35}\,\mathrm {cm}^{-2}\mathrm {s}^{-1}\). To cope with the design luminosity, the sub-detectors and the level-1 trigger system are required to be upgraded. The central drift chamber in the Belle-II detector which plays a primary role in the track reconstruction of charged particles is a multi-wire drift chamber with 14,336 channels. The central drift chamber-based trigger is responsible for distinguishing specific types of physics, which is based on fast track reconstruction. The fabrication of a small prototype of the central drift chamber and the development process of the central drift chamber-based trigger system are described.

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Acknowledgements

This work is supported in part by the National Research Foundation of Korea under NRF-2019H1D3A1A01101787, NRF-2019K1A3A7A09034960, the Korea University Grant No. K2107211, and the BK21 FOUR program at Korea University, Initiative for science frontiers on upcoming challenges.

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  1. Department of Physics, Korea University, Seoul, 02841, Republic of Korea

    Eunil Won & Hyunki Moon

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  1. Eunil Won
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  2. Hyunki Moon
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Correspondence to Hyunki Moon.

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Won, E., Moon, H. Fabrication of a prototype of the Belle-II central drift chamber for development of the level-1 trigger system. J. Korean Phys. Soc. 80, 123–129 (2022). https://doi.org/10.1007/s40042-021-00372-z

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  • DOI: https://doi.org/10.1007/s40042-021-00372-z

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