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Paper: Relaxation Phenomena Due to Collisions with Neutral Perturbers in Hyperfine Structure Multiplets
Volume: 526, Solar Polarization Workshop 8
Page: 29
Authors: Landi Degl'Innocenti, E.; Belluzzi, L.
Abstract: A connection is established between the depolarizing rates, due to collisions with neutral perturbers, of the statistical tensors of a hyperfine structure multiplet and those of the statistical tensors of the parent fine structure level. This connection is described by a simple equation involving a 12-j symbol of the second kind. An application is performed to derive an analytical expression for the scattering matrix of a hyperfine structured two-level atom in the presence of collisions and a magnetic field. Numerical results are presented.
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