ILU-14 industrial electron linear accelerator with a modular structure |
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Authors: | A A Bryazgin V I Bezuglov E N Kokin M V Korobeinikov G I Kuznetsov I G Makarov G N Ostreiko A D Panfilov V M Radchenko G V Serdobintsev A V Sidorov V V Tarnetsky M A Tiunov B L Faktorovich K N Chernov V G Cheskidov |
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Affiliation: | 1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia
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Abstract: | A new high-power (up to 100 kW) industrial electron linear accelerator ILU-14 for energies of 7.5–10.0 MeV has been developed by the Budker Institute of Nuclear Physics. The operating frequency of the accelerator is 176 MHz, and the total efficiency is 26%. Owing to the modular structure of the accelerator, the electron energy and the beam power can be varied within certain limits by changing the modular arrangement. A 5-MeV prototype of this accelerator has been produced and successfully tested. Its design parameters verified in the experiments are as follows: the beam current averaged over the RF period is 600 mA, the beam pulse power is 2.5 MW, and the electron efficiency of the accelerating structure is 68%. By applying an additional RF voltage to the electron gun cathode-grid gap, a 96% transmittance of the beam current has been attained at a minor beam energy spread. The prototype of the ILU-14 accelerator can be used as an accelerator with a beam power of 50 kW. |
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