Tiancai Jiang

Design, development, and testing of high power input coupler with low thermal load for superconducting cavity

Guochang Liu, Tiancai Jiang, Yuan He, Chunlong Li et autres

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Development of an antenna adjustable fundamental power coupler for the 81.25 MHz superconducting cavity at the High Intensity Heavy-Ion Accelerator Facility

Guochang Liu, Tiancai Jiang, Zongheng Xue, Ji-Yu Wang et autres

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Analytical modeling and experimental verification of oscillatory ponderomotive instabilities in closed-loop superconducting rf cavities

Feng Qiu, Jiayi Peng, Shihui Wei, Zongheng Xue et autres

Superconducting radio-frequency (SRF) cavities with high-loaded-Q are susceptible to ponderomotive instabilities arising from nonlinear electromechanical coupling. Under low-level rf feedback control, stability analysis is challenging and has, until now, lacked comprehensive experimental verification. In this work, we linearize the coupled cavity electromagnetic …

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High-power radiofrequency quadrupoles: Review of recent developments, common problems, and solutions

Weiping Dou, Chen-Xing Li, Zhijun Wang, Tiancai Jiang et autres

The RFQ accelerator, often the initial rf component in a hadron accelerator, focuses, bunches, and accelerates the beam from several keV to MeV across a several-meter quadrupole channel. Due to the significant application potential of high-power RFQs, research efforts have grown substantially …

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Classification of superconducting radio-frequency cavity faults of CAFE2 using machine learning

Lijuan Yang, Jiayi Peng, Feng Qiu, Yuan He et autres

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Stable acceleration of a LHe-Free Nb3Sn demo SRF e-linac

Ziqin Yang, Yuan He, Tiancai Jiang, Feng Bai et autres

Abstract The design, construction, and commissioning of a novel liquid helium-free (LHe-free) Nb3Sn superconducting radio frequency (SRF) electron accelerator at the Institute of Modern Physics of the Chinese Academy of Sciences (IMP, CAS) will be presented. A 650 MHz 5-cell elliptical cavity …

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Design and high-power testing of offline conditioning cavity for CiADS RFQ high-power coupler

Ruo-Xu Wang, Yuan He, Longbo Shi, Chen-Xing Li et autres

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Virtual cavity probe for the real-time identification of cavity burst-noise type in superconducting radio-frequency systems

Jinying Ma, Lijuan Yang, Feng Qiu, Yuan He et autres

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Stable Acceleration of a LHe-Free Nb3Sn demo SRF e-linac Based on Conduction Cooling

Ziqin Yang, Yuan He, Tiancai Jiang, Feng Bai et autres

The design, construction, and commissioning of a conduction-cooled Nb3Sn demonstration superconducting radio frequency (SRF) electron accelerator at the Institute of Modern Physics of the Chinese Academy of Sciences (IMP, CAS) will be presented. In the context of engineering application planning for Nb3Sn …

Improving the stability of pulse superconducting radio frequency cavities by the construction of an Al–Nb double layer structure

Yuan He, Qitong Huang, Zehua Liang, Liangang Xiao et autres

Superconducting Radio Frequency technologies are widely employed in particle accelerators to explore the frontiers of science. Pure niobium cavity with 2.8–4[Formula: see text]mm thickness is the traditional technology of a compromise between the thermal conduction and mechanic stability. To meet the requirements …

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Measurement of the cavity-loaded quality factor in superconducting radio-frequency systems with mismatched source impedance

Jinying Ma, Chengye Xu, Andong Wu, Guodong Jiang et autres

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Low beta superconducting cavity system design for HIAF iLinac

Mengxin Xu, Yuan He, Shengxue Zhang, Lubei Liu et autres

A superconducting ion-Linac (iLinac), which is supposed to work as the injector in the High Intensity heavy-ion Accelerator Facility project, is under development at the Institute of Modern Physics (IMP), Chinese Academy of Sciences. The iLinac is a superconducting heavy ion linear …

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