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Video comments (reshoot, slow down, etc):
How is inelastic scattering different than elastic scattering? Why is data analysis more challenging?
In the image above, we see an incident X-ray with wavevector k (equal to 2 reciprocal lattice vectors in length), an exit wavevector k', and 2 phonons, q1 and q2. All are drawn with respect to a common reciprocal lattice origin.
Does delta k + q1 or delta k + q2 get us to a reciprocal lattice point? If so, which one?
Could either phonon be involved if we consider both creation and absorption in the inelastic process?
Why is the length of k' approximately the same as k? Would you expect the same behavior for inelastic scattering from neutrons or visible light?
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