Abstract
A compact warm electron beam ion trap (WEBIT) is described and investigated experimentally. The trap design is based on permanent magnets, an electron gun with a cathode emissivity of 25 A/cm2 and a gun perveance of 0.1 μA/V3/2 as well as a vacuum vessel allowing trap operation at pressures of 10−10 Torr. The electron beam diameter measured with a pinhole camera was 160 μm corresponding to an electron beam density of 248 A cm−2. X-ray spectra measured with a Si(Li) semiconductor detector indicate the production of Xe44+ and Ir59+.
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