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Rocking Curve of a Double-Crystal Spectrometer in the Bragg–Bragg Geometry Including the Absorption Coefficient Dependency from the Neutron Wavelength

  • DIFFRACTION AND SCATTERING OF IONIZING RADIATIONS
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Abstract

An analytical expression is obtained for the rocking curve of a double-crystal spectrometer, which does not require restrictions on the absorption cross section dependency on the wavelength. A modeled rocking curve (instrumental line) for the Bragg–Bragg spectrometric scheme is calculated using the example of an InSb crystal in the region of weak dependency between the absorption cross section and the wavelength and in the region of wavelengths close to the absorption resonance.

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Funding

This work was supported by the Ministry of Science and Higher Education of the Russian Federation and was carried out under a state contract (project no. 075-15-2021-1352).

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Authors and Affiliations

  1. National Research Center “Kurchatov Institute”, Moscow, Russia

    J. Schmeissner & A. N. Tyulyusov

  2. National Research Nuclear University “MEPhI”, Moscow, Russia

    J. Schmeissner & A. N. Tyulyusov

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  1. J. Schmeissner
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  2. A. N. Tyulyusov
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Correspondence to J. Schmeissner.

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Schmeissner, J., Tyulyusov, A.N. Rocking Curve of a Double-Crystal Spectrometer in the Bragg–Bragg Geometry Including the Absorption Coefficient Dependency from the Neutron Wavelength. Crystallogr. Rep. 68, 532–536 (2023). https://doi.org/10.1134/S1063774523600254

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