File:Xsection2.png
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Xsection2.png (354 × 332 pixels, file size: 15 KB, MIME type: image/png)
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Summary
DescriptionXsection2.png | This figure plots equivalent quantities used in the theory of scattering from composite specimens, but with a variety of units, onto a single plot. The grey dots are for inelastic scattering of a 300 keV electron passing through a specimen of solid Silicon, as well as for an electron near its most strongly interacting energy of around 70 eV in a metal. The gold dot shows how a 300 keV electron has a shorter distance mean free path but about the same area cross-section. The mean free path between collisions of nitrogen molecules in air at STP is shown by the darker blue-green dot, while the cyan dot shows approximately where the mean free path for light scattering by fog might plot. The black and yellow dots denote nuclear cross-sections, e.g. in the latter case for Rutherford backscattering of a He nucleus from a gold foil. |
Date | |
Source | Own work |
Author | P. Fraundorf |
Licensing
I, the copyright holder of this work, hereby publish it under the following licenses:
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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Items portrayed in this file
depicts
27 February 2008
14,884 byte
332 pixel
354 pixel
image/png
4687e4e38b579edce62dd2310db611fd987875b0
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 18:12, 27 February 2008 | 354 × 332 (15 KB) | wikimediacommons>Papa November | rm opaque bg & cropped with GIMP. No copyright claimed for non-creative derivative work |
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