On the Origin of the Intensity Deficit in Neutron Compton Scattering
arXiv:cond-mat/0403599 · doi:10.1103/PhysRevB.71.054107
Abstract
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.