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| TUPPM1R2 |
Development of Stochastic Cooling Components for HIAF Spectrometer Ring |
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- G. Zhu, Z. Du, J.X. Wu, J. Yin
IMP/CAS, Lanzhou, People’s Republic of China
- L.Y. Ma
NWNU, Lanzhou, Gansu, People’s Republic of China
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Stochastic cooling of the spectrometer ring (SRing) with the bandwidth of 0.6-1.2 GHz at the High Intensity Heavy-Ion Accelerator Facility (HIAF) project in China, which is used mainly for experiments with radioactive fragment beams, is applied to speed up the cooling process of a stored ion beam. In this paper, both the prototypes of coaxial notch filter with amplitude equalizer and optical notch filter with phase-stabilized optical fiber cable are built and measured for SRing stochastic cooling system. A 9 bit wide-band 360° digital adjustable phase shifter with minimum step length of 0.7° has been fabricated and tested for HIAF stochastic cooling. Meanwhile, the prototype of RF signal transmission processing units of SRing stochastic cooling are measured. Finally, the development, performance, and testing of both a Faltin prototype traveling wave structure and a novel slot-ring prototype standing wave structure based on a ceramic vacuum chamber for the HIAF SRing stochastic cooling system are discussed briefly.
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Slides TUPPM1R2 [8.642 MB]
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| DOI • |
reference for this paper
※ doi:10.18429/JACoW-COOL2023-TUPPM1R2
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| About • |
Received ※ 10 October 2023 — Revised ※ 11 October 2023 — Accepted ※ 20 November 2023 — Issued ※ 02 December 2023 |
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