Spatial distribution of the vacuum arc plasma fluxes in a curvilinear magnetic duct

The spatial distribution of stationary vacuum arc plasma fluxes in a curvilinear magnetic field, with a strength that is satisfied to the condition of unmagnetized ions, is described. We report here, that along with the main beam, which moves along the curvilinear magnetic field B, there are a secondary plasma fluxes: radial, having a speed component in R-direction, and a transversal one, propagated in B×R direction (R is the radius-vector of magnetic line of force). Plasma distribution between these fluxes was monitored under a changing of positive bias voltage, applied to the duct.