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. 2018 Feb 14;25(Pt 2):570–579. doi: 10.1107/S1600577517017660

Table 1. Electron bunch parameters.

Parameter Specification Status spring 2017
Energy 3.0 GeV 3.0 GeV
Normalized RMS emittance <10 mm mrad <1 mm mrad
RMS energy spread <1.5% <1.5%
Charge per pulse 100 pC ± 10% (RMS) 100 pC ± 10%
Repetition rate Up to 100 Hz Up to 2 Hz
RMS pulse-to-pulse energy stability <0.15% <0.2%
RMS pulse-to-pulse positional stability (horizontal and vertical) <4 µm <10 µm
RMS pulse-to-pulse angular stability (horizontal and vertical) <4 µrad <10 µrad
Pulse-to-pulse intensity stability <10% (RMS) <±5% (max–min)
FWHM bunch length <100 fs <160 fs
RMS pulse-to-pulse time jitter <1 ps ∼1 ps