I. A Monte Carlo algorithm for the simulation of Bragg scattering by imperfect crystals; and II. Application to mosaic copper

Lucia Alianelli; Manuel Sanchez del Rio; Roberto Felici

doi:10.1117/12.559520

21 October 2004 I. A Monte Carlo algorithm for the simulation of Bragg scattering by imperfect crystals; and II. Application to mosaic copper

Lucia Alianelli, Manuel Sanchez del Rio, Roberto Felici

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Proceedings Volume 5536, Advances in Computational Methods for X-Ray and Neutron Optics; (2004) https://doi.org/10.1117/12.559520
Event: Optical Science and Technology, the SPIE 49th Annual Meeting, 2004, Denver, Colorado, United States

Abstract

We present a Monte-Carlo algorithm for the simulation of Bragg diffraction from imperfect crystals that are used for neutron analysers and monochromators. The algorithm is used in ray-tracing simulation of neutron instruments but can also be used for x-rays. This method performs a detailed description of the particle interaction with the microscopic regions composing the crystal. It computes important quantities that cannot be calculated with standard models, as the number of multiple scattering events, and diffraction topographs. We also discuss applications of this method to the analysis of x-ray data from mosaic copper crystals.

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Lucia Alianelli, Manuel Sanchez del Rio, and Roberto Felici "I. A Monte Carlo algorithm for the simulation of Bragg scattering by imperfect crystals; and II. Application to mosaic copper", Proc. SPIE 5536, Advances in Computational Methods for X-Ray and Neutron Optics, (21 October 2004); https://doi.org/10.1117/12.559520

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