Development of a multipactor discharge in the output channel of a powerful pulsed gyroklystron |
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| Authors: | A. K. Gvozdev N. A. Zharova N. I. Zaitsev V. E. Semenov A. A. Sorokin |
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| Affiliation: | 1. Institute of Applied Physics, Russian Academy of Sciences, ul. Ul??yanova 46, Nizhni Novgorod, 603950, Russia
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| Abstract: | Reasons for microwave discharge initiation in the vacuum section of the output waveguide of a powerful gyroklystron are discussed. It is found that the discharge is located near the range of an electron cyclotron resonance. A one-sided multipactor discharge is numerically simulated in wide ranges of tilt angles and permanent magnetic fields. It is shown that the cyclotron resonance may considerably lower the multipactor discharge threshold in contrast to earlier concepts. |
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