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Figure 4
First subsidiary maxima of the Airy function y = [2J1(x)/x]2 (black solid) and the y = [sin(x)/x]2 function (blue dotted). For both functions, the value of the principal maximum at x = 0 is equal to 1.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 2| March 2021| Pages 538-549
https://doi.org/10.1107/S1600577521000722
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