Cryogenic system design for HIAF iLinac

Niu, Xiaofei; Feng, Bin; Wang, Xianjin; Zhang, Junhui; Guo, Xiaohong; Sun, Dan

doi:10.1007/s41365-019-0700-5

Cited by 12 publications

(2 citation statements)

References 16 publications

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“…The SLEGS beamline will be open to users by the end of 2022. In recent years, some large nuclear scientific facilities have started construction and been put into operation, including the back-streaming neutron (Back-n) source [45,46] at the China Spallation Neutron Source (CSNS), the High-Intensity Heavy-ion Accelerator Facility (HIAF) [47][48][49] and CSR External-target Experiment (CEE) [50], Collinear Laser Spectroscopy (CLS) [51,52], and the new Beijing Radioactive Ion-beam Facility (BRIF) [53]. The completion of these facilities or devices will surely China's nuclear physics basic and applied research to the next level.…”

Section: Summary and Prospectsmentioning

confidence: 99%

Commissioning of laser electron gamma beamline SLEGS at SSRF

et al. 2022

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The Shanghai Laser Electron Gamma Source (SLEGS) is a powerful gamma source that provides MeV gamma-ray beams for nuclear science and technology. It was developed as one of the 16 beamline stations in the Phase II Project of the Shanghai Synchrotron Radiation Facility. The slant-scattering mode is for the first time systematically employed in laser Compton scattering at SLEGS to produce energy-tunable quasi-monoenergetic gamma-ray beams. The SLEGS officially completed its commissioning from July to December 2021. Gamma rays in the energy range of 0.25–21.7 MeV with a flux of 2.1 × 104–1.2 × 107 photons/s and an energy spread of 2–15% were produced during the test. This paper reports the results from commissioning the SLEGS beamline.

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Section: Summary and Prospectsmentioning

confidence: 99%

Commissioning of laser electron gamma beamline SLEGS at SSRF

et al. 2022

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“…The HIAF is being designed to provide intense primary and radioactive ion beams for nuclear physics, atomic physics, and application research [10]. The Ion-Linac used as the injector in the HIAF is a superconducting (SC) heavy-ion accelerator; it consists of a low-energy beam transport line, an RFQ, a medium-energy beam transport line, and an SC section [11,12]. The spatially periodic RFQ structure is intended to serve as an intermediate structure between the RFQ and SC cavities.…”

Section: Introductionmentioning

confidence: 99%

Fabrication and cold test of prototype of spatially periodic radio frequency quadrupole focusing linac

Zhang

Wang

et al. 2021

NUCL SCI TECH

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A 325 MHz aluminum prototype of a spatially periodic rf quadrupole focusing linac was developed at the Institute of Modern Physics, Chinese Academy of Sciences, as a promising candidate for the front end of a high-current linac. It consists of an alternating series of crossbar H-type drift tubes and rf quadrupole sections. Owing to its special geometry, cavity fabrication is a major hurdle for its engineering development and application. In this paper, we report the detailed mechanical design of this structure and describe its fabrication process, including machining, assembly, and inspection. The field distribution was measured by the bead-pull technique. The results show that the field errors of both the accelerating and focusing fields are within an acceptable range. A tuning scheme for this new structure is proposed and verified. The cold test process and results are presented in detail. The development of this prototype provides valuable guidance for the application of the spatially periodic rf quadrupole structure.

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ADS Injector-I 2 K superfluid helium cryogenic system

Han

et al. 2020

NUCL SCI TECH

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Cryogenic system design for HIAF iLinac

Cited by 12 publications

References 16 publications

Commissioning of laser electron gamma beamline SLEGS at SSRF

Commissioning of laser electron gamma beamline SLEGS at SSRF

Fabrication and cold test of prototype of spatially periodic radio frequency quadrupole focusing linac

ADS Injector-I 2 K superfluid helium cryogenic system

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