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Density enhancement is a possible cause of the enhanced radiative recombination observed in electron coolers and electron targets. We present a screening model for the numerical evaluation of the density enhancement in the vicinity of an ion at rest in a magnetized electron plasma. Our model extends the conventional Debye screening in two ways: (a) we account for the magnetic field by using pseudo-particles with finite spatial extent instead of point-like electrons; and (b) the resulting set of equations is solved numerically without linearization. Our model shows good qualitative agreement with experimental results.

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