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Figure 2
The characteristic integrated (311) peak count rate, ndetecthkl (solid circles), peak height, hhkl (crosses), and background rate, b (open circles), as a function of depth upon entering a 4.2 mm thick flat-walled can containing Ni powder measured in reflection at the NRU reactor, Chalk River, Canada, for a 20 × 0.5 × 0.5 mm sampling gauge (Browne, 2001BB3). The sudden rise in diffracted intensity at zero depth and the decrease at 4.2 mm are due to the gauge becoming partially filled. The corresponding model curves are also shown.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 37| Part 4| July 2004| Pages 596-606
doi:10.1107/S0021889804012737
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