Question: Neutron diffraction may be used to measure vs . for an vibration in a crystalline solid. To describe this, assume the crystal symmetry is known,

Neutron diffraction may be used to measure

.

for an vibration in a crystalline solid. To describe this, assume the crystal symmetry is known, write down the energy and momenutum conservation laws for the diffraction, and then indicate what parameters must be measured in order to obtain

. K .

$Neutron diffraction may be used to measure vs .$

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