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Figure 3
The importance of accurate characterization of the beam profile. Relative decay rates for the two runs of dataset 2XDT are shown as in Fig. 1[link], column 4 (description in §2.3[link]), but recoloured for clarity; the dotted lines represent two different apparent sensitivity coefficients. Both runs were collected from the same crystal volume. Also shown are the beam images for almost equivalent attenuation, but achieved with different filters: inspection of the filter settings shows that filter 2A has a blurring effect which reduces the flux density inside the beam box by threefold, as judged by the sensitivity factors. (The blurring filter has since been inactivated at all beamlines.)

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 18| Part 3| April 2011| Pages 387-397
doi:10.1107/S0909049511008235
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