Elsevier

Physics Letters A

Volume 164, Issues 5–6, 27 April 1992, Pages 365-368
Physics Letters A

Precision measurement of single slit diffraction with very cold neutrons

https://doi.org/10.1016/0375-9601(92)90097-6Get rights and content

Abstract

We performed experiments on diffraction of very slow neutrons (20 Å wavelength) from a slit of 90 μm width. A careful comparison was made between the slit width measured by light optical methods and the slit width deduced from the neutron diffraction pattern. We get satisfactory agreement between both values - possible explanations of a discrepancy, which had appeared in former measurements, are discussed.

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