Breakdown in rf cavities

J. Norem; A. Hassanein; Z. Insepov; I. Konkashbaev

doi:10.1109/PAC.2005.1590946

Breakdown in rf cavities

J. Norem, A. Hassanein, Z. Insepov, I. Konkashbaev

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Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

We present a simple model of breakdown in rf cavities. For most events this involves tensile stress and tensile strength, however other effects can also contribute. We discuss the effects of different materials, fatigue, high pressure gas, primary and secondary emission sites, local field enhancements, dark currents, secondary emission, work functions, magnetic fields, macro and microscopic fracture mechanisms high current densities, surface and subsurface defects, and astronomical power densities. While primarily devoted to normal conductors, this work also has consequences for superconducting rf surfaces.

Original language	English
Title of host publication	Proceedings of the Particle Accelerator Conference, PAC 2005
Pages	1886-1888
Number of pages	3
DOIs	https://doi.org/10.1109/PAC.2005.1590946
Publication status	Published - Dec 1 2005
Event	Particle Accelerator Conference, PAC 2005 - Knoxville, TN, United States Duration: May 16 2005 → May 20 2005

Publication series

Name	Proceedings of the IEEE Particle Accelerator Conference
Volume	2005

Other

Other	Particle Accelerator Conference, PAC 2005
Country	United States
City	Knoxville, TN
Period	5/16/05 → 5/20/05

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ASJC Scopus subject areas

Engineering(all)

Cite this

Norem, J., Hassanein, A., Insepov, Z., & Konkashbaev, I. (2005). Breakdown in rf cavities. In Proceedings of the Particle Accelerator Conference, PAC 2005 (pp. 1886-1888). [1590946] (Proceedings of the IEEE Particle Accelerator Conference; Vol. 2005). https://doi.org/10.1109/PAC.2005.1590946

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N2 - We present a simple model of breakdown in rf cavities. For most events this involves tensile stress and tensile strength, however other effects can also contribute. We discuss the effects of different materials, fatigue, high pressure gas, primary and secondary emission sites, local field enhancements, dark currents, secondary emission, work functions, magnetic fields, macro and microscopic fracture mechanisms high current densities, surface and subsurface defects, and astronomical power densities. While primarily devoted to normal conductors, this work also has consequences for superconducting rf surfaces.

AB - We present a simple model of breakdown in rf cavities. For most events this involves tensile stress and tensile strength, however other effects can also contribute. We discuss the effects of different materials, fatigue, high pressure gas, primary and secondary emission sites, local field enhancements, dark currents, secondary emission, work functions, magnetic fields, macro and microscopic fracture mechanisms high current densities, surface and subsurface defects, and astronomical power densities. While primarily devoted to normal conductors, this work also has consequences for superconducting rf surfaces.

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T3 - Proceedings of the IEEE Particle Accelerator Conference

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BT - Proceedings of the Particle Accelerator Conference, PAC 2005

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Access to Document

10.1109/PAC.2005.1590946