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High Surface Fields in Superconducting rf Cavities. In Proceedings of SRF

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dc.contributor.author Norem, J.
dc.contributor.author Insepov, Z.
dc.contributor.author Bauer, P.
dc.contributor.author Seidman, D.N.
dc.contributor.author Sebastian, J.
dc.contributor.author Yoon, K.
dc.date.accessioned 2017-09-26T11:04:13Z
dc.date.available 2017-09-26T11:04:13Z
dc.date.issued 2005
dc.identifier.citation Norem, J., Insepov, Z., Bauer, P., Seidman, D. N., Sebastian, J., & Yoon, K. (2005). High Surface Fields in Superconducting rf Cavities. In Proceedings of SRF. Proceedings of the 12th International Workshop on RF Superconductivity, Cornell University ru_RU
dc.identifier.uri http://nur.nu.edu.kz/handle/123456789/2697
dc.description.abstract Field emission in cavities requires electric fields that can be high enough to damage materials. We outline a model of breakdown and field emission from local asperities, and show how electric field effects, and field emission of electrons, field evaporation of ions, ultimately fracture, can limit accelerating fields. Although based on data from copper cavities and preliminary results from atom probe tomography experiments, the model seems to be generally valid for DC to 30 GHz, 10-11 to 105 Torr, different materials, temperatures, conditioning status, secondary emitters, strong magnetic fields, atom probe data, and the variety of surfaces encountered during copper cavity conditioning. We believe studies of normal materials can help to understand mechanisms operating in SCRF, such as fracture, field emission and evaporation effects, control of the surface, and surface metallurgy. ru_RU
dc.language.iso en ru_RU
dc.publisher Proceedings of the 12th International Workshop on RF Superconductivity, Cornell University ru_RU
dc.rights Open Access - the content is available to the general public ru_RU
dc.rights Attribution-NonCommercial-ShareAlike 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-sa/3.0/us/ *
dc.subject rf ru_RU
dc.subject SCRF ru_RU
dc.subject electric field ru_RU
dc.subject High surface fields ru_RU
dc.title High Surface Fields in Superconducting rf Cavities. In Proceedings of SRF ru_RU
dc.type Conference Paper ru_RU


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