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Origin of the intensity deficit in neutron Compton scattering

Neutron Compton scattering measurements in a variety of materials have shown a relative deficit in the total signal from hydrogen compared to deuterium and heavier ions. We show here that a breakdown in the Born-Oppenheimer approximation in the final states of the scattering process leads to such a...

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Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2005-02, Vol.71 (5), p.054107.1-054107.6, Article 054107
Main Authors: REITER, G. F, PLATZMAN, P. M
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Language:English
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description Neutron Compton scattering measurements in a variety of materials have shown a relative deficit in the total signal from hydrogen compared to deuterium and heavier ions. We show here that a breakdown in the Born-Oppenheimer approximation in the final states of the scattering process leads to such a deficit and may be responsible for the effect.
doi_str_mv 10.1103/PhysRevB.71.054107
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ispartof Physical review. B, Condensed matter and materials physics, 2005-02, Vol.71 (5), p.054107.1-054107.6, Article 054107
issn 1098-0121
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source American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list)
subjects BORN-OPPENHEIMER APPROXIMATION
COMPTON EFFECT
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Condensed matter: electronic structure, electrical, magnetic, and optical properties
DEUTERIUM
Exact sciences and technology
HEAVY IONS
HYDROGEN
MATERIALS SCIENCE
NEUTRON DIFFRACTION
Neutron inelastic scattering
NEUTRONS
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other interactions of matter with particles and radiation
Physics
title Origin of the intensity deficit in neutron Compton scattering
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