Suppression of Secondary Emission in a Magnetic Field Using a Sawtooth and Isosceles Triangle Surface

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Description

The effect of surface roughness on the secondary electron emission from a sawtooth and isosceles triangle surface in a magnetic field under electron bombardment is investigated using a Monte-Carlo method. Some of the secondary electrons emitted from the surface return to the surface within their first few gyrations, resulting in a low effective secondary electron yield. Both sawtooth and isosceles triangle surface in magnetic field can significantly reduce the secondary emission yield below the multipacting threshold with weak dependence on the size of surface and magnetic field.

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11 pages

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Wang, L.; Raubenheimer, T.O.; Stupakov, G. & /SLAC September 26, 2006.

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The effect of surface roughness on the secondary electron emission from a sawtooth and isosceles triangle surface in a magnetic field under electron bombardment is investigated using a Monte-Carlo method. Some of the secondary electrons emitted from the surface return to the surface within their first few gyrations, resulting in a low effective secondary electron yield. Both sawtooth and isosceles triangle surface in magnetic field can significantly reduce the secondary emission yield below the multipacting threshold with weak dependence on the size of surface and magnetic field.

Physical Description

11 pages

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  • Journal Name: Nucl.Instrum.Meth.A571:588-598,2007

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  • Report No.: SLAC-PUB-12001
  • Grant Number: AC02-76SF00515
  • Office of Scientific & Technical Information Report Number: 892634
  • Archival Resource Key: ark:/67531/metadc883494

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  • September 26, 2006

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  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 2, 2016, 1:27 p.m.

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Wang, L.; Raubenheimer, T.O.; Stupakov, G. & /SLAC. Suppression of Secondary Emission in a Magnetic Field Using a Sawtooth and Isosceles Triangle Surface, article, September 26, 2006; [Menlo Park, California]. (digital.library.unt.edu/ark:/67531/metadc883494/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.