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Figure 4
The pressure change during M0 chamber ageing by synchrotron radiation with a ring beam current value of 0.5 mA to 10 mA. The vertical axis shows the pressure on a log scale, and the horizontal axis shows the date. The daily light irradiation time is several hours, and the base pressure with no irradiating light is 1 × 10−8 Pa.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 30| Part 4| July 2023| Pages 847-854
https://doi.org/10.1107/S1600577523004423
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