Input of RF Power into Coupling Element of Accelerating Cavity
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In the main part of the linear accelerator of protons at the Institute of Nuclear Research, Russian Academy of Science (INR RAS), the resonance cavities consist of four accelerating sections coupled by bridge coupling devices in a resonant system. The input of RF power is implemented in the middle coupling device. The cavity is configured as a multimode structure with a compensated operating mode and RF field existing simultaneously both in the sections and in the coupling devices. Justification for the availability and possibility of adjusting the magnetic field in the coupling devices to provide the RF input extends the possibilities of development of multisectional accelerating cavities.
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