Youwei Gong, Wencai Cheng, Minghua Zhao, Xuan Li, Duan Gu, Meng Zhang. Influence of SXFEL resistive wall wakefield on beam phase space distortion[J]. High Power Laser and Particle Beams, 2022, 34(6): 064007
- High Power Laser and Particle Beams
- Vol. 34, Issue 6, 064007 (2022)
Fig. 1. Layout of the SXFEL
Fig. 2. Total wakefield in the bypass-line 1 and bypass-line 2.
= 0 represents the head of the bunch, and the y -axis represents wakefield in MeV unit
Fig. 3. Wakefield in the copper flat-plate pipe. The
= 0 represents the head of the bunch, and the y -axis represents wakefield in MeV unit
Fig. 4. Total wakefield for bypass-line 1, bypass-line 2 and the copper flat-plate pipe.
= 0 represents the head of the bunch, and y -axis represents wakefield in MeV unit
Fig. 5. Experimental layout of SXFEL
Fig. 6. (a) Distribution for bunch A, and (b) measured and calculated wakefields in bypass-line 1
Fig. 7. Measured longitudinal phase space in position 1 and position 2. The figure is separated in 500×500 pixels, and x axis stands for bunch length (left is beam head),y stands for the energy (top is higher energy)
Fig. 8. The energy distribution in position 1 and position 3
Fig. 9. (a) Distribution for bunch B and (b) measured and calculated wakefields for all the pipes
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Table 1. Parameters of three different types of pipes
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Table 2. Initial bunch parameters in SXFEL
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