Zobrazeno 1 - 10
of 33
pro vyhledávání: '"Zhenghui Mi"'
Autor:
Weimin Pan, Jiyuan Zhai, Feisi He, Rui Ge, Zhenghui Mi, Peng Sha, Song Jin, Ruixiong Han, Qunyao Wang, Haiying Lin, Guangwei Wang, Xuwen Dai, Zhanjun Zhang, Mei Li, Minjing Sang, Liangrui Sun, Rui Ye, Tongxian Zhao, Shaopeng Li, Keyu Zhu, Baiqi Liu, Xiaolong Wang, Xiangchen Yang, Xiaojuan Bian, Xiangzhen Zhang, Huizhou Ma, Jianbing Zhao, Liang Zhang, Hui Zhao, Runbing Guo, Zhihui Mu, Conglai Yang, Xiaobing Zheng, Chao Dong, Hongjuan Zheng, Zhengze Chang, Xiaochen Yang, Tongming Huang, Qiang Ma, Zihan Wang, Ming Liu, Wenzhong Zhou, Senyu Chen
Publikováno v:
Physical Review Accelerators and Beams, Vol 27, Iss 9, p 092003 (2024)
The world’s first 1.3 GHz cryomodule containing eight 9-cell superconducting radio-frequency (rf) cavities treated by medium-temperature furnace baking (mid-T bake) was developed at the Institute of High Energy Physics, Chinese Academy of Sciences.
Externí odkaz:
https://doaj.org/article/8583945b2ae54e7ca93355d68b9a1c7c
Autor:
Peng Sha, Weimin Pan, Jiyuan Zhai, Zhenghui Mi, Song Jin, Baiqi Liu, Chao Dong, Feisi He, Lingxi Ye, Xiangcong He, Shiao Zheng
Publikováno v:
Applied Sciences, Vol 12, Iss 2, p 546 (2022)
Medium-temperature (mid-T) furnace baking was conducted at 650 MHz superconducting radio-frequency (SRF) cavity for circular electron positron collider (CEPC), which enhanced the cavity unloaded quality factor (Q0) significantly. In the vertical test
Externí odkaz:
https://doaj.org/article/801bc66588754f5fa25b01520d999dde
Autor:
Song Jin, Peng Sha, Weimin Pan, Jiyuan Zhai, Zhenghui Mi, Feisi He, Chao Dong, Lingxi Ye, Xiangcong He
Publikováno v:
Materials, Vol 14, Iss 24, p 7654 (2021)
A circular electron positron collider (CEPC) will adopt hundreds of 650-MHz superconducting cavities with high quality factor (Q) and accelerating gradient (Eacc). Two 650-MHz single-cell cavities made of fine-grain niobium were first treated via buf
Externí odkaz:
https://doaj.org/article/27cb2952353d4c8e851179ade3eda997
Autor:
Zhenghui, Mi, Yi, Sun, Weimin, Pan, Guangwei, Wang, Zhongquan, Li, Jianping, Dai, Qiang, Ma, Haiying, Lin, Bo, Xu, Hong, Huang, Qunyao, Wang, Yufen, Xu, Guangyuan, Zhao, Tongming, Huang, Peng, Sha, Xinying, Zhang, Fanbo, Meng, Han, Li, Xu, Chen, Danyang, Zhao, Juan, Zhang, Yinghua, Peng
Tuning system plays a very important role when superconducting cavity works. It cooperates with other control loops, to adjust the frequency of cavity with high precision, reduce the reflection power, guarantee the stability of beam and ensure the sa
Externí odkaz:
http://arxiv.org/abs/1304.2148
Autor:
Zhenghui, Mi, Yi, Sun, Guangwei, Wang, Weimin, Pan, Zhongquan, Li, Jianping, Dai, Qiang, Ma, Haiying, Lin, bo, Xu, Hong, Huang, Qunyao, Wang, Yufen, Xu, Guangyuan, Zhao, Tongming, Huang, Peng, Sha, Yaping, Liu, Fanbo, Meng, Feng, Qiu, Han, Li, Xu, Chen, Danyang, Zhao, Juan, Zhang
The horizontal test for BEPCII 500MHz spare cavity has been completed in IHEP. The max voltage of the cavity is 2.17MV, Q0 is 5.78\times108.This paper mainly reports coupler aging parameters before the horizontal test, as well as the parameters durin
Externí odkaz:
http://arxiv.org/abs/1112.2486
Autor:
Pei Zhang, Jin Dai, Ziwei Deng, Lin Guo, Tongming Huang, Dongbing Li, Jian Li, Zhongquan Li, Haiying Lin, Yuanli Luo, Qiang Ma, Fanbo Meng, Zhenghui Mi, Qunyao Wang, Haisheng Xu, Xinying Zhang, Facheng Zhao, Hongjuan Zheng
Publikováno v:
Radiation Detection Technology and Methods.
Publikováno v:
Radiation Detection Technology and Methods. 5:220-227
A digital low level radio frequency (DLLRF) system has been developed to replace the old analog LLRF and operated stably at BEPCII east RF station in the past two years. The RF stabilities required for BEPCII are ± 1% in magnitude and ± 1 degree in
Design Optimization of a Mechanically Improved 499.8-MHz Single-Cell Superconducting Cavity for HEPS
Autor:
Ma Changcheng, Qiang Ma, Ruixiong Han, Weimin Pan, Rui Ge, Xinying Zhang, Tong-Ming Huang, Zhenghui Mi, Hongjuan Zheng, Pei Zhang, Zhongquan Li
Publikováno v:
IEEE Transactions on Applied Superconductivity. 31:1-9
Superconducting 499.8-MHz radio frequency (rf) cavities have been proposed for the High Energy Photon Source (HEPS), a 6-GeV diffraction-limited synchrotron light source currently under construction in Beijing. Being an active third-harmonic system,
Publikováno v:
Radiation Detection Technology and Methods. 5:153-160
Superconducting 166.6-MHz cavities will be used to accelerate electron beams in high-energy photon source (HEPS). The radio-frequency (RF) fields inside these cavities have to be controlled better than 0.03% (rms error) for the amplitude and 0.03 $$^
Autor:
Qun-Yao Wang, Ruixiong Han, Dongbing Li, Zhenghui Mi, L. T. Sun, Pei Zhang, Xinying Zhang, Rui Ge, Weimin Pan, Haiying Lin, Qiang Ma, Zhongquan Li, Jin Dai, Tong-Ming Huang, Fanbo Meng
Publikováno v:
IEEE Transactions on Applied Superconductivity. 30:1-8
Superconducting β=1 quarter-wave geometry of 166.6 MHz has been proposed as main accelerating cavities for the high-energy photon source (HEPS) storage ring. HEPS is a 6-GeV kilometer-scale synchrotron light source promising ultralow emittance curre