Phys. Rev. 179, 752–754 (1969)Single-Slit Diffraction of NeutronsReceived 4 September 1968; published in the issue dated March 1969 Observations are reported on single-slit diffraction of monochromatic slow neutrons (wavelength 4.43 Å) upon passage through fine slits of width between 21 and 4.1 μ. Gadolinium-edged slits were used because of the high-absorption cross section for this material, and the angular broadening effects in the range up to 20″ of arc were studied on a high-resolution double-crystal spectrometer utilizing perfect crystals of silicon. The observed broadening agrees well with that calculated, and this supplies evidence on the width of the coherent wavefront of a neutron wave packet. © 1969 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRev.179.752
DOI:
10.1103/PhysRev.179.752
PACS:
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