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Title	The SuperKEKB Has Broken the World Record of the Luminosity
Authors	Y. Funakoshi, T. Abe, K. Akai, Y. Arimoto, K. Egawa, S. Enomoto, H. Fukuma, K. Furukawa, N. Iida, H. Ikeda, T. Ishibashi, S.H. Iwabuchi, H. Kaji, T. Kamitani, T. Kawamoto, M. Kikuchi, T. Kobayashi, K. Kodama, H. Koiso, M. Masuzawa, K. Matsuoka, T. Mimashi, G. Mitsuka, F. Miyahara, T. Miyajima, T. Mori, A. Morita, S. Nakamura, T.T. Nakamura, K. Nakanishi, H.N. Nakayama, M. Nishiwaki, S. Ogasawara, K. Ohmi, Y. Ohnishi, N. Ohuchi, T. Okada, T. Oki, M.A. Rehman, Y. Seimiya, K. Shibata, Y. Suetsugu, H. Sugimoto, H. Sugimura, M. Tawada, S. Terui, M. Tobiyama, R. Ueki, X. Wang, K. Watanabe, S.I. Yoshimoto, T. Yoshimoto, D. Zhou, X. Zhou, Z.G. Zong KEK, Ibaraki, Japan A. Natochii University of Hawaii, Honolulu,, USA K. Oide CERN, Meyrin, Switzerland R.J. Yang CAEP/IAE, Mianyang, Sichuan, People’s Republic of China K. Yoshihara Nagoya University, Nagoya, Aichi, Japan
Abstract	The SuperKEKB broke the world record of the luminosity in June 2020 in the Phase 3 operation. The luminosity has been increasing since then and the present highest luminosity is 4.65 x 10³⁴ cm⁻²s⁻¹ with β_{y}^{*} of 1 mm. The increase of the luminosity was brought with an application of crab waist, by increasing beam currents and by other improvements in the specific luminosity. In this paper, we describe what we have achieved and what we are struggling with. Finally, we mention a future plan briefly.
Paper	download MOPLXGD1.PDF [3.263 MB / 5 pages]
Slides	download MOPLXGD1_TALK.PDF [6.235 MB]
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Conference	IPAC2022
Series	International Particle Accelerator Conference (13th)
Location	Bangkok, Thailand
Date	12-17 June 2022
Publisher	JACoW Publishing, Geneva, Switzerland
Editorial Board	Frank Zimmermann (CERN, Meyrin, Switzerland); Hitoshi Tanaka (RIKEN, Hyogo, Japan); Porntip Sudmuang (SRLI, Nakhon, Thailand); Prapong Klysubun (SRLI, Nakhon, Thailand); Prapaiwan Sunwong (SRLI, Nakhon, Thailand); Thakonwat Chanwattana (SRLI, Nakhon, Thailand); Christine Petit-Jean-Genaz (CERN, Meyrin, Switzerland); Volker R.W. Schaa (GSI, Darmstadt, Germany)
Online ISBN	978-3-95450-227-1
Online ISSN	2673-5490
Received	10 June 2022
Accepted	08 July 2022
Issue Date	10 July 2022
DOI	doi:10.18429/JACoW-IPAC2022-MOPLXGD1
Pages	1-5
Copyright	Published by JACoW Publishing under the terms of the Creative Commons Attribution 3.0 International license. Any further distribution of this work must maintain attribution to the author(s), the published article's title, publisher, and DOI.