Paper |
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TUPOTK053 |
Design Progress of High Efficiency Klystron for CEPC LINAC |
1339 |
SUSPMF115 |
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- Z.D. Zhang, Y.L. Chi, D. Dong, M. Iqbal, G. Pei, S.C. Wang, O. Xiao, S. Zhang, Z.S. Zhou
IHEP, Beijing, People’s Republic of China
- S. Zhang, Z.D. Zhang
UCAS, Beijing, People’s Republic of China
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The injector linear accelerator (LINAC) for the CEPC requires a higher efficiency klystron with 80MW output power than S band 65MW pulsed klys-tron currently operating in LINAC of BEPCII to reduce energy consumption and cost. The efficiency is ex-pected to improve from the currently observed 42% to more than 55% and output power will be improved from 65MW to more than 80MW with same operation voltage. In this paper, BAC bunching method is ap-plied for klystron efficiency improvement. The optimi-zation of the gun and solenoid parameters is complet-ed with 2-D code DGUN and then 3-D code CST. The preliminary design of the cavity parameters is also completed in 1-D disk model based AJDISK code and then further checked by 2-D code EMSYS. Finally, new klystron prototype will be fabricated in Chinese com-pany after design parameters are determined.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-TUPOTK053
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About • |
Received ※ 07 June 2022 — Revised ※ 09 June 2022 — Accepted ※ 15 June 2022 — Issue date ※ 17 June 2022 |
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THPOST016 |
Development Progress of HEPS LINAC |
2472 |
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- C. Meng, N. Gan, D.Y. He, X. He, Y. Jiao, J.Y. Li, J.D. Liu, Y.M. Peng, H. Shi, G. Shu, S.C. Wang, O. Xiao, J.R. Zhang, Z.D. Zhang, Z.S. Zhou
IHEP, Beijing, People’s Republic of China
- X.H. Lu, X.J. Nie
IHEP CSNS, Guangdong Province, People’s Republic of China
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The High Energy Photon Source (HEPS) is a synchrotron radiation source of ultrahigh brightness and under construction in China. Its accelerator system is comprised of a 6-GeV storage ring, a full energy booster, a 500-MeV Linac and three transfer lines. The Linac is a S-band normal conducting electron linear accelerator with available bunch charge up to 10 nC. The Linac installation has been finished at the end of May this year. The system joint debugging and device conditioning of the accelerating units, the power supplies, et al., are in progress. The beam commissioning will start in September 2022. This paper presents the status of the HEPS Linac and detailed introduction of the beam commissioning simulations and preparations.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-THPOST016
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About • |
Received ※ 08 June 2022 — Revised ※ 10 June 2022 — Accepted ※ 16 June 2022 — Issue date ※ 09 July 2022 |
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THPOST017 |
Physical Design of a 10 MeV High Scanning Frequency Irradiation Electron Linear Accelerator |
2476 |
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- S. Zhang, Z.D. Zhang
UCAS, Beijing, People’s Republic of China
- Y.L. Chi, M. Iqbal, J.R. Zhang, S. Zhang, Z.D. Zhang, Z.S. Zhou
IHEP, Beijing, People’s Republic of China
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A compact 10 MeV irradiation S-band electron linear accelerator has been proposed to carry out the electron radiation effect test of materials and devices. The Linac includes a standing wave pre-buncher, a traveling wave bunching accelerating structure. The traveling wave accelerating structure uses a 5MW klystron as RF source and provides electron beam energy 3.5-10MeV and average current 0.01-1mA. The required irradiation scanning frequency is very high, up to 100Hz and irradiation area is large (200mm×200mm). To meet the requirements, a novel beam scanning system, including one kicker for horizontal scanning and one magnet for vertical scanning, have been proposed. This paper presents the physical design of the 10MeV electron Linac and beam dynamics simulation results.
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DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2022-THPOST017
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About • |
Received ※ 08 June 2022 — Revised ※ 10 June 2022 — Accepted ※ 11 June 2022 — Issue date ※ 14 June 2022 |
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