Accelerator physics; Beam Dynamics; Accelerator Technology

2010-2015 Doctor of Science, Department of Energy Sciences, Tokyo Institute of Technology, Tokyo, Japan

2004-2008 Bachelor of Engineering, Department of Engineering Physics, Tsinghua University, Beijing, China

   

2020.9 ~ Present, Staff, Institute of High Energy Physics, China

2018.4 ~ 2020.5 Fellow, CERN, Switzerland 

2016.4 ~ 2018.3 Postdoctoral Researcher, RIKEN, Japan 

2016.1 ~ 2016.3 Special Postdoctoral Researcher, Tokyo Institute of Technology, Japan 

2008.7 ~ 2010.9 Research Intern, China Academy of Engineering Physics, China 

Sep 9, 2024 - Feb 23, 2025，  “Fundamentals of Particle Accelerators”， Autumn Semester， School of Sciences，Sun Yat-sen University 

Aug 28 - Dec 25 2023，  “Fundamentals of Particle Accelerators”， Autumn Semester， School of Sciences，Sun Yat-sen University 

Jul 25 –Aug 4, 2017， RIKEN Nishina School, lecturer

Aug 1-12, 2016， RIKEN Nishina School, lecturer

Liu Zhuoxun, Liu Shengjin, Chen Weidong, et al. Multi-physical field coupling of C-band photocathode electron gun[J]. High Power Laser and Particle Beams, 2026, 38: 024004. doi: 10.11884/HPLPB202638.250318

S. Jiang, S. Liu, Z. Lu, X. Liu*, X. Li*, and R. Yang, Analysis of multipole field reduction in C-band photocathode RF gun, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1085, 171277 (2026).

Y. Zhao et al., Key design features of the southern advanced photon source, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment 1086, 171310 (2026).

Wang, Y., Yang, Y., Li, A. et al. Design and application of an efficient probe for precise frequency measurement in high-gradient traveling wave accelerating structures. Radiat Detect Technol Methods 10, 151–168 (2026).

Z. Cao et al., "Design, Fabrication, and Tests of a C-Band Spherical Pulse Compressor," in IEEE Transactions on Nuclear Science, vol. 72, no. 11, pp. 3452-3461, Nov. 2025, doi: 10.1109/TNS.2025.3616219. 

J Y Du , X N Du , X G Liu , Y S Yuan. 3D Space Charge Solver Based on Tensor Decomposition for High-Intensity Beams. Progress of Theoretical and Experimental Physics, Volume 2025, Issue 4, April 2025, 043G01

Qiyu Kong, Huachang Liu, Jun Peng and Xingguang Liu,Design and beam dynamics study of a multifunctional MEBT for CSNS. Journal of Instrumentation, Volume 20, April 2025

Huang, L., Wang, S., Xu, S. et al. Source of instability in the rapid cycling synchrotron of the China spallation neutron source. Eur. Phys. J. Plus 140, 71 (2025). https://doi.org/10.1140/epjp/s13360-025-05997-8

He, J., Sun, JC., Dong, YW. et al. SVOM-GRM trigger performance study and verification. Exp Astron 59, 15 (2025). https://doi.org/10.1007/s10686-025-09983-x

Liu Shengjin, Jiang Shimin, Liu Xingguang*, Xiao Yongchuan, Cao Xiuxia, Lü Yongjia, Li Xiao. RF design of C-band photocathode electron gun for Southern Advanced Photon Source[J]. High Power Laser and Particle Beams, 2025, 37: 014005.

Liangsheng Huang, Sheng Wang, Shouyan Xu, Xingguang Liu, Mingyang Huang, Renhong Liu, Biao Tan, Hanyang Liu,Li Rao, Yanliang Han. "Source of instability in the rapid cycling synchrotron of the China spallation neutron source",Eur. Phys. J. Plus (2025) 140:71

Weihang Liu, Yu Zhao,Jianliang Chen,Wenjie Han, Liangsheng Huang, Xingguang Liu, Xin Qi, Yi Jiao, Xiao Li, Sheng Wang. "Comparison of different longitudinal Injection scenarios for achieving optimal performance in SAPS",2024 JINST 19 T11001

Jiang Shimin, Lu Zhijun, Liu Xingguang, et al. Study of drive laser shaping system for C-band photocathode RF gun[J]. High Power Laser and Particle Beams, 2024, 36: 104003.

D’Auria, G., Adli, E., Aicheler, M. et al. The CompactLight Design Study. Eur. Phys. J. Spec. Top. 233, 1–208 (2024)

X Liu, X Li, S Jiang, S Liu, Y Xiao, Y Lv, X Cao, Z Lu, R Liu, H Zhang, Z Xie, W Huang, R Yang, T Yang, C Deng, C Ning, Y Yu, J Wei, P Wang, Y Wang, G Zhao, L Wang, K Xue and Q Wu. A C-band Test Platform for the Development of RF Photo Cathode and High Gradient Accelerating Structures. 2024 J. Phys.: Conf. Ser. 2687 042001

Hai Chen, Xibao Luo, Jun Peng and Xingguang Liu. Measurement and Analysis of the Intensity-dependent Effects on the CSNS Medium Energy Beam Transport line. 2024 J. Phys.: Conf. Ser. 2687 052021

A. Castilla, R. Apsimon, G. Burt, X. Wu, A. Latina, X. Liu, I. Syratchev, W. Wuensch, B. Spataro, and A. W. Cross. Ka-band linearizer structure studies for a compact light source. Phys. Rev. Accel. Beams 25, 112001（2022）

L. Huang, H. Liu, M Li, X. Liu, S. Xu,S. Wang.Bunch Length Study in Rapid Cycling Synchrotron of China Spallation Neutron Source[J].Atomic Energy Science and Technology,2022(7):1456-1464

Yoshimoto, M. Hirose, X. Liu, K. Takayama, T. Adachi, K. Okamura, E. Kadokura, T. Kawakubo, S. Takano, and N. Munemoto. Longitudinal beam splitting and coalescing using an off-momentum drifting barrier bucket. Phys. Rev. Accel. Beams 24, 100401 (2021)

T. Yoshimoto,M. Hirose, X. Liu, K. Takayama, T. Adachi,K. Okamura,E. Kadokura, T. Kawakubo and S. Takano. Fast ion bunch compression by barrier pulse control. Phys. Plasmas 28, 083101 (2021);

N. Munmoto, S. Takano, E. Kadokura, Taufik, T. Yoshimoto, X. Liu, et al., Direct Injection of Fully Stripped Carbon Ions into a Fast-cycling Induction Synchrotron and Their Capture by the Barrier Bucket, Phys. Rev. Accel. Beams 20(8), (2017) 80101.

X. Liu, O. Kamigaito, N. Sakamoto, K. Yamada, Preliminary Design of a High Intensity Continuous-wave Deuteron RFQ, IOP Conf. Series: Journal of Physics, 874 (2017) 012053.

X. Liu and T. Yoshimoto, A Study on the Longitudinal Momentum Modulation of Low Energy Heavy Ion Beam Bunches with Time-resolved Beam Profile Measurement, Nucl. Instr. Meth. Phys. Res. A. 869 (2017) 21-28.

H. Kobayashi, X. Liu, T. Yoshimoto, K. Takayama, T. Kawakubo and T. Adachi, Beam Dynamics Analysis of Heavy Ion Injection into the KEK Digital Accelerator, Plasma Fusion Res. 11 (2016) 1404092.

X. Liu, T. Yoshimoto, K. Takayama, et al., Injection and induction acceleration of Ar3+ in the KEK Digital Accelerator, Laser Part. Beams. 33 (2015) 237–243.

T. Yoshimoto, M. Hirose, X. Liu, et al., Wideband induction acceleration and its intrinsic nature in the KEK digital accelerator, Nucl. Instr. Meth. Phys. Res. A. 797 (2015) 191–195.

Y. Shen, H. Zhang, L. Xia, X. Liu, et al., Vacuum Outgassing Behavior of Carbon Nanotube Cathode with High-Intensity Pulsed Electron Emission, Plasma Sci. Technol. 17 (2015) 129–133.

K. Takayama, T. Adachi, T. Arai, et al., KEK digital accelerator and latest switching device R&D, Nucl. Instr. Meth. Phys. Res. A. 733 (2014) 182–188.

T. Yoshimoto, M. Barata, T. Iwashita, et al., Heavy ion beam acceleration in the KEK digital accelerator: Induction acceleration from 200keV to a few tens of MeV, Nucl. Instr. Meth. Phys. Res. A. 733 (2014) 141–146.

K. Takayama, T. Yoshimoto, M. Barata, K. Leo, X. Liu, et al., Induction acceleration of heavy ions in the KEK digital accelerator: Demonstration of a fast-cycling induction synchrotron, Phys. Rev. Spec. Top. - Accel. Beams. 17 (2014) 10101.

K. Takayama, T. Adachi, T. Arai, et al., Heavy ion beam factory for material science based on the KEK digital accelerator, Nucl. Instr. Meth. Phys. Res. B. 314 (2013) 11–17.

F. Zeng, X. Li, W. Liu, et al., Synthesis of CNT film on the surface of micro-pyramid array and its intense pulsed emission characteristics, Chinese Sci. Bull. 57 (2012) 1739–1742.

 Y. Shen, L. Xia, H. Zhang, X. Liu, et al., Plasma-induced field emission study of carbon nanotube cathode, Phys. Rev. Spec. Top. - Accel. Beams. 14 (2011) 104701.

F. Zeng, X. Li, W. Liu, et al., Improvement in the intense pulsed emission stability of grown CNT films via an electroless plated Ni layer, Chinese Sci. Bull. 56 (2011) 2379–2382.

 L. Xia, A. Yang, Y. Chen, H. Zhang, X. Liu, et al., Multi-pulsed intense electron beam emission from velvet, carbon fibers, carbon nano-tubes and dispenser cathodes, Chinese Phys. C. 34 (2010) 1733–1737.

 张篁 ; 陈德彪 ; 江孝国; 夏连胜; 刘星光 ; 谌怡; 章林文 ; Experimental research on photocathode for linear induction accelerator, High Power Laser and Particle Beams, 2010, 621(1-3): 79-82.

夏连胜; 陈德彪; 张篁; 刘星光; 石金水; 李劲; 章林文; 邓建军; 固态高压脉冲形成线研究, 强激光与粒子束, 2009, 21(7):1111-1114

Accelerator beam dynamics, free electron laser design, heavy ion acceleration, beam diagnostics, novel acceleration techniques, commissioning optimization, beam diagnostics, particle tracking simulation, code development, collective effects, accelerator design, etc.

X.Liu, H.Chen, J. Peng, Y. Han. "Transverse 4D phase space reconstruction using wire scanner measurements at the CSNS Linac",HB2025, THPT68,Oct 19 – 24, 2025

X. Liu, S. Jiang, S. Liu, J. Zhu, H. Zhang, and X. Li, Beam extraction and dark current study of a C-band RF photo gun, SAP2025,Urumqi, Xinjiang, China,2–5 Sept 2025

X.Liu.Initial beam test of a 3.6-cell C-band RF photo gun, HG2025,March 24-28, 2025, Mérida, Yucatán, Mexico

X. Liu, B. Li, Y. Jiao and S. Wang. “Preliminary design of the Full Energy Linac Injector for the Southern Advance Photon Source”. in Proc. IPAC’21, Campinas, Brazil, TU-PA046, 2021.5.

X. Liu; Particle Tracking Simulation with Space Charge Effects for an Induction Synchrotron and Preliminary Application to the KEK Digital Accelerator, Heavy Ion Accelerator and Technology 2015 (HIAT2015), Yokohama, 2015-9-6 ~2015-9-11.

X. Liu; T. Yoshimoto; Experimental Evaluation of Longitudinal Momentum Deviation for Low Energy Heavy Ion Beam with Quasi-3D Profile Measurement on the Beam Line, 12th Annu. Meet. Part. Accel. Soc. Japan, Fukui, 2015-8-4~2015-8-7.

X. Liu; N. Munemoto; K. Takayama; Beam Optics Optimization in the KEK Digital Accelerator LEBT Considering the Effect of Remnant Magnetic Fields, 10t h Annu. Meet. Part. Accel. Soc. Japan, Nagoya, 2013-8-3~2013-8-5.

X. Liu; T. Adachi; S. Harada; T. Iwashita; K. Takayama; T. Yoshimoto; Longitudinal Beam Motion in the KEK Digital Accelerator: Tracking Simulation and Experimental Results, Heavy Ion Accelerator and Technology 2012 (HIAT2012), Chicago, 2012-6-18~2012-6-21.

X. Liu; T. Iwashita; K. Takayama; T. Adachi; S. Harada; SimulationAnalysis of Barrier Bucket Trapped Ion Bunch Squeezing Experiment, Recent Progress in Induction Accelerator, Chengdu, 2011-10-17~2011-10-21.

• Short-pulse and High Gradient Accelerating Structures, 2023.1~
• C-band RF Photo Cathode, 2021.12~
• CSNS-II Linac, Linac Beam Physics Team, 2021.7~ 2023.12
• South Advanced Photon Source, Beam Physics, 2020.9~
• CompactLight: Compact FEL Design, funded by EU Horizon 2020 (3M Euro, 2018-2020)
• (CERN)Responsible for linac beam dynamics design and optimization, start-to-end simulation, 2018.4~2020.5
• ImPACT Program: Reduction and Resource Recycling of High-level Radioactive Wastes through Nuclear Transmutation, awarded “Japanese 21st Invention Prize for 2018”, funded by Council for Science, Technology and Innovation (Cabinet Office, Government of Japan)
• (RIKEN)Responsible for high intensity RFQ beam dynamics design , 2016.04 ~ 2018.03
• KEK-Digital Accelerator, awarded “Japanese 21st Invention Prize for 2008”“Demonstration of the next generation of cancer therapy driver”, funded by KAKENHI No. 23240082 (49.4M JPY,2011-2013) and others(KEK)
• Main Participant, responsible for ECR Ion Source, LEBT, Beam Diagnostics and Analysis, 2010.10 ~2016.03

已指导学生

陈海  硕士研究生  070202-粒子物理与原子核物理  

2010 ~ 2015 The MEXT Scholarship