期刊
PHYSICS LETTERS A
卷 305, 期 1-2, 页码 87-92出版社
ELSEVIER
DOI: 10.1016/S0375-9601(02)01391-9
关键词
dynamical diffraction; neutron refraction; ultra small angle neutron scattering; neutron optics; Bonse-Hart camera
Slits and macroscopic objects such as edges give rise to refraction and diffraction. In this Letter we show the effect of Cd edges and slits if they are inserted between the monochromator and analyser in a double crystal diffractometer. Despite to the use of wavelengths of tens of nanometer and strong absorbing materials refraction is observed which contributes to enhanced wing intensity of the instrumental curve of the double crystal diffractometer. (C) 2002 Elsevier Science B.V. All rights reserved.
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