Neutron scattering length density
= Neutron scattering length density
{title2=$\rho_b$}
The sum of nuclear coherent scattering lengths per unit volume, $\rho_b=\sum_j n_jb_j$. Matching it between media suppresses their ideal interface contrast.
= Neutron scattering length density
{title2=$\rho_b$}
The sum of nuclear coherent scattering lengths per unit volume, $\rho_b=\sum_j n_jb_j$. Matching it between media suppresses their ideal interface contrast.