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Rapid analytic approximations for disorientation integrals in fiber diffraction
Author(s) -
Provencher S. W.,
Glöckner J.
Publication year - 1982
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889882011583
Subject(s) - fortran , diffraction , fiber diffraction , fiber , approximations of π , computer science , algorithm , optics , mathematics , physics , x ray crystallography , materials science , composite material , operating system
Analytic approximations for an integral to correct for the smearing of layer lines in fiber diffraction patterns due to disorientation and finite particle length have been obtained and implemented in a Fortran program. The program is fast enough to make feasible an iterative global analysis of a digitized diffraction pattern represented by thousands of data points, and some possible additional applications in this direction are outlined.