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MOOB01 |
Beam Commissioning of SuperKEKB Rings at Phase-2 |
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- M. Tobiyama, M. Arinaga, J.W. Flanagan, H. Fukuma, H. Ikeda, H. Ishii, S.H. Iwabuchi, G.M. Mitsuka, K. Mori, M. Tejima
KEK, Ibaraki, Japan
- G. Bonvicini
Wayne State University, Detroit, Michigan, USA
- E. Mulyani
Sokendai, Ibaraki, Japan
- G.S. Varner
University of Hawaii, Honolulu,, USA
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The Phase 2 commissioning of SuperKEKB rings with Belle II detector began in Feb. 2018. Staring the commissioning of positron damping ring (DR), the injection and storage of the main rings (HER and LER) smoothly continued in Apr., 2018. The first collision has been achieved on 26th Apr. with the detuned optics (200 mm x 8 mm). Performance of beam instrumentation systems and the difficulties encountered during commissioning time will be shown.
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Slides MOOB01 [11.232 MB]
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2018-MOOB01
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About • |
paper received ※ 05 September 2018 paper accepted ※ 11 September 2018 issue date ※ 29 January 2019 |
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MOPA02 |
Beam Diagnostics for SuperKEKB Damping Ring in Phase-II Operation |
29 |
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- H. Ikeda, M. Arinaga, J.W. Flanagan, H. Fukuma, H. Ishii, S.H. Iwabuchi, G.M. Mitsuka, K. Mori, M. Tejima, M. Tobiyama
KEK, Ibaraki, Japan
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The SuperKEKB damping ring (DR) commissioning started in February 2018, before main ring (MR) Phase-II operation. We constructed the DR in order to deliver a low-emittance positron beam. The design luminosity of SuperKEKB is 40 times that of KEKB with high current and low emittance. A turn-by- turn beam position monitor (BPM), transverse feedback system, synchrotron radiation monitor (SRM), DCCT, loss monitor using ion chambers, bunch current monitor and tune meter were installed for beam diagnostics at the DR. An overview of the instrumentation and status will be presented.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IBIC2018-MOPA02
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|
About • |
paper received ※ 05 September 2018 paper accepted ※ 14 September 2018 issue date ※ 29 January 2019 |
|
Export • |
reference for this paper using
※ BibTeX,
※ LaTeX,
※ Text/Word,
※ RIS,
※ EndNote (xml)
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