Zhang Haoran, Zeng Qin, Chen Chong, et al. Testing and analysis of coupled program of MCNP and FISPACT[J]. High Power Laser and Particle Beams, 2017, 29: 036025. doi: 10.11884/HPLPB201729.160424
Citation: Qiu Ruiyang, Huang Weiling, Zeng Lei, et al. Development of an H0CT measurement system at the CSNS injection region[J]. High Power Laser and Particle Beams, 2023, 35: 024004. doi: 10.11884/HPLPB202335.220142

Development of an H0CT measurement system at the CSNS injection region

doi: 10.11884/HPLPB202335.220142
  • Received Date: 2022-05-06
  • Accepted Date: 2022-10-11
  • Rev Recd Date: 2022-09-13
  • Available Online: 2022-10-17
  • Publish Date: 2023-01-14
  • The high intensity proton accelerator of China Spallation Neutron Source adopts the method of charge exchange injection. A carbon foil strips two electrons of H into H+, and proton beams are multiturn-painted in the phase space of the rapid cycling synchrontron for acceleration to 1.6 GeV. A new-developed beam current transformer (H0CT) was installed at the I-Dump beamline to measure the incompletely stripped H and H0 particles, for the sake of an accurate measurement of the stripping efficiency, together with a study of the service life of the foil stripper with different thicknesses. To measure such extremely weak microampere beam current, in the development of the H0CT measurement system, we took into account the external interference and the noises from probes, cables and electronics. The new design has minimized the impact of environmental noise, improved the signal-to-noise ratio, and successfully measured the microampere pulsed current.
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