Phys. Rev. Lett. 75, 1218–1221 (1995)Interaction of Multipactor Discharge and rf CircuitReceived 30 March 1995; published in the issue dated 7 August 1995 A simple model is constructed to analyze the temporal evolution of a multipactor discharge in an rf cavity. The multipactor current may, transiently, reach a level comparable to the wall current that is needed to sustain the rf field. It saturates at a much lower level in the steady state, primarily by its loading of the cavity; the image space charge force associated with the multipactor electrons plays a relatively minor role. At saturation, the electron impact energy is equal the lowest value that gives unity in the secondary electron yield curve. © 1995 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.75.1218
DOI:
10.1103/PhysRevLett.75.1218
PACS:
85.10.Jz, 52.80.-s, 84.30.Ey
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