Retrieving "Neutron Gyromagnetic Ratio" from the archives

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1. Inelastic Neutron Scattering

   Linked via "neutron gyromagnetic ratio"

   For magnetic scattering, the cross-section is proportional to the imaginary part of the generalized dynamic magnetic susceptibility, $\chi''(\mathbf{Q}, \omega)$:
   $$ \frac{d^2 \sigma}{d \Omega d E'} \propto \left( \frac{\gamma r_0}{2} \right)^2 |\mathbf{Q} \times (\mathbf{Q} \times \mathbf{M})|^2 S(\mathbf{Q}, \omega) $$
   where $\gamma$ is the neutron gyromagnetic ratio, $r_0$ is the classical electron radius, and $\mathbf{M}$ is the time-dependent [magnetization](/entries/magnet…