26 citations · 52 across the 18 of their papers we have counts for
17 papers
Error analysis of vertical test for CEPC 650 MHz superconducting radio-frequency cavity
Lingxi Ye, Peng Sha, Zhenghui Mi +2
Hundreds of 650 MHz superconducting radio-frequency (SRF) cavities with high intrinsic quality factor (Q0) and accelerating gradient (Eacc) will be adopted for Circular Electron Po…
Cavity as Radio Telescope for Galactic Dark Photon
Yanjie Zeng, Yuxin Liu, Chunlong Li +18
Dark photons, as a minimal extension of the Standard Model through an additional Abelian gauge group, may propagate relativistically across the galaxy, originating from dark matter…
High Q and high gradient performance of the first medium-temperature baking 1.3 GHz cryomodule
Jiyuan Zhai, Weimin Pan, Feisi He +36
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, asse…
First Scan Search for Dark Photon Dark Matter with a Tunable Superconducting Radio-Frequency Cavity
SHANHE Collaboration, Zhenxing Tang, Bo Wang +16
Dark photons have emerged as promising candidates for dark matter, and their search is a top priority in particle physics, astrophysics, and cosmology. We report the first use of a…
Design of new helium vessel and tuner for CEPC 650 MHz 2 cell cavity
Z. H. Mi, Z. Q. Li, P. Sha +8
CEPC will use 650 MHz cavities for the collider. Each collider cryomodule contains six 650 MHz 2-cell cavities, which is totally new. Therefore, new helium vessel and tuner are des…
Light Dark Matter Axion Detection with Static Electric Field
Yu Gao, Yongsheng Huang, Zhengwei Li +4
We explore the axionic dark matter search sensitivity with a narrow-band detection scheme aiming at the axion-photon conversion by the static electric field inside a cylindrical ca…
Parasitic modes suppression in CW cold tests of 1.3 GHz 9-cell high Q cavities at IHEP
Zhenghui Mi, Feisi He, Weimin Pan +19
The CW RF test of 1.3 GHz 9-cell cavity in liquid helium bath at 2 K is a very important key point in the cavity procurement. Some problems can be found through the test, according…
Determining the absolute value of magnetic penetration depth in small-sized superconducting films
Ruozhou Zhang, Mingyang Qin, Lu Zhang +6
In the previous four decades, a two-coil mutual inductance (MI) technique has been widely employed in characterizing magnetic penetration depth, , of superconducting films. Howe…
Medium-temperature furnace bake of Superconducting Radio-Frequency cavities at IHEP
Feisi He, Weimin Pan, Peng Sha +16
Recently, heat treatment between 250 C and 500 C has been attempted to improve quality factor of superconducting radio-frequency cavities at FNAL and KEK. Experiments of such mediu…
Commissioning of te China-ADS injector-I testing facility
Fang Yan, Huiping Geng, Cai Meng +58
The 10 MeV accelerator-driven subcritical system (ADS) Injector-I test stand at Institute of High Energy Physics (IHEP) is a testing facility dedicated to demonstrate one of the tw…
Design of a 325MHz Half Wave Resonator prototype at IHEP
Xinying Zhang, Weimin Pan, Guangwei Wang +11
A 325MHz beta=0.14 superconducting half wave resonator(HWR) prototype has been developed at the Institute of High Energy Physics(IHEP), which can be applied in continuous wave (CW)…
Some Experiences on BEPCII SRF System Operation
Huang Tong-ming, Lin Hai-ying, Sha Peng +9
The Superconducting Radio Frequency (SRF) system of the upgrade project of Beijing Electron Positron Collider (BEPCII) has been in operation for almost 8 years. The SRF system has…
Design and test of frequency tuner for CAEP high power THz free-electron laser
Zhenghui Mi, Yi Sun, Weimin Pan +12
Peking University is developing a 1.3 GHz superconducting accelerating section for China Academy of Engineering Physics (CAEP) high power THz free-electron laser. A compact fast/sl…
Design of a 325MHz SC Spoke040 cavity at IHEP
Peng Yinghua, Zhang Xinying, Sha Peng +2
The 325MHz, β=0.40 superconducting single spoke cavity (Spoke040) was one of the most challenges for the China-ADS (Accelerator Driven System) project. The design was finished, and…
Design of a 325MHz Beta=0.12 superconducting single spoke cavity for China-ADS
Han Li, Jianping Dai, Peng Sha +5
Twelve superconducting single spoke cavities whose Beta is 0.12 (Spoke012) operating at 325MHz, are adopted in Injector I for China-ADS linac. This type of spoke cavity is believed…
Design study on very low Beta spoke cavity for China-ADS
Li Han, Sha Peng, Dai Jianping +2
Very low Beta superconducting spoke cavity is one of the key challenges for China-ADS project. In this paper, a new structure of 3*Beta*lamda/2 spoke cavity is first presented. Its…
Horizontal Test for BEPCII 500MHz Spare Cavity
Mi Zhenghui, Sun Yi, Wang Guangwei +19
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…