Software for the data analysis of the arrival-timing monitor at SACLA

Nakajima, K.; Joti, Y.; Katayama, T.; Owada, S.; Togashi, T.; Abe, T.; Kameshima, T.; Okada, K.; Sugimoto, T.; Yamaga, M.; Hatsui, T.; Yabashi, M.

doi:10.1107/S1600577517016654

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Figure 2
Distributions of results extracted from 93798 images of the arrival-timing monitor. (a) Two-dimensional histogram showing the distribution of r_edge^derivative/r_baseline versus x_edge^derivative. Magenta plus markers represent results from saturated profiles, which are similar to the example shown in inset (1) using the same manner as Fig. 1

(b). Orange star markers represent results from blank profiles, which lack clear edges as shown for example in inset (2). (b) Arrival-timing distribution for all pulses. Histograms for selected values and excluded values are summed cumulatively. Selection is carried out by applying thresholds indicated by the dashed line in (a), $[{X_{\,{\rm{last}}}}\,\lt\,x\,\lt\,{X_{\,{\rm{first}}}}]$ in (b), $[{r_{\,{\rm{baseline}}}}\,\gt\,0.4]$ and $[\Delta {x}_{\rm edge}\,\lt\,30]$ .

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 25| Part 2| March 2018| Pages 592-603

https://doi.org/10.1107/S1600577517016654

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