The reliability and service life of accelerating installations are substantially determined by the lifetime of electron sources. The accelerator under consideration comprises, as an electron source, a magnetron gun with a channel-free cold secondary-emission cathode in crossedˇelds [1,2]. In the present work the data of electron beam parameters obtained in the accelerator based on the magnetron gun with a secondary-emission cathode are given and the possibilities of its use for secondary purposes are suggested. DESCRIPTION OF THE ACCELERATOR AND RESEARCH TECHNIQUESThe electron accelerator (Fig. 1) comprises the following main units: high-voltage pulse generator 1; electron source 2 with secondary-emission cathode and anode placed in the vacuum chamber; solenoid 5 creating a longitudinal magneticˇeld; target device with eightsegment Faraday cup 3; computer-aided measuring system 4 for measurements of electron beam parameters.

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