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Hedianzixue yu tance jishu

Rsearch on Single-Slit Diffraction of Neutron

Yan Wang

Published Jan 1, 2009• 0 citations
OpenAlex

Abstract

So far,the neutron diffraction have been approved in many experiments,and these experiments have been explained by different theories.In order to explain neutron single-slit diffraction more exactly,we apply a quantum mechanical approach to explain the neutron single-slit diffraction,and the calculation results are good agreement with experiment data.

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So far,the neutron diffraction have been approved in many experiments,and these experiments have been explained by different theories.In order to explain neutron single-slit diffraction more exactly,we apply a quantum mechanical approach to explain the neutron single-slit diffraction,and the calculation results are good agreement with experiment data.
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The phenomena of electron,neutron,atomic and molecular diffraction were researched by many experiments in recent year and these experiments were explained by various theory.In this paper,we study the double-slit diffraction of neutron with an approach of quantum mechanics at frist.We find some new results: When slit width a and slit distance d is the ratio of(a+d)/a=n(n=1,2,3,…),order n,2n,3n,… are missing in diffraction pattern;When the ratio of(a+d)/a≠n(n=1,2,3,…),there isn't missing order in diffraction pattern;The length of slit b only affects the diffraction intensity while the thickness c not only affects the intensity,but also changes the missing order in diffraction patterns.