Mingyang Huang, Shouyan Xu, Xin Qi, Sheng Wang. Beam extraction commissioning and extraction beam loss optimization for China Spallation Neutron Source accelerator[J]. High Power Laser and Particle Beams, 2023, 35(12): 124001
- High Power Laser and Particle Beams
- Vol. 35, Issue 12, 124001 (2023)
Fig. 1. Layout of the CSNS extraction system
Fig. 2. Control system of the extraction timing
Fig. 3. Current curves of 8 Kickers after the timing calibration
Fig. 4. Layout of the beam extraction process
Fig. 5. Time structure of the injection beam
Fig. 6. Beam distribution on the target
Fig. 7. Measurement results of the leakage field for the Lambertson magnet
Fig. 8. Beam measurement results of the leakage field for the Lambertson magnet
Fig. 9. Measurement results of actual bunch length when the beam power on the target is 140 kW
Fig. 10. Measurement results of 8 Kicker waveforms
Fig. 11. Variation diagrams of Kicker waveform
Fig. 12. Large dose rate hotspot at the Lambertson magnet entrance
Fig. 13. Neutron detector (R3MB03INBLM) measurement results varying with the collimator vertical acceptance
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