A Hall effect thruster 100 with an annular discharge channel 108 that includes inner and outer sidewall electrodes 1 10, 1 12 located at an axial position that is downstream from the anode 106. The Hall effect thruster may also include shielding elements configured to shield the inner and outer sidewall electrodes from electrons in the annular discharge channel. The shielding elements may be magnetic shielding elements 130, 132.
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