File:T2 Decay Consolidated (expand the description below for a detailed explanation).webm
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T2_Decay_Consolidated_(expand_the_description_below_for_a_detailed_explanation).webm (WebM audio/video file, VP8/Vorbis, length 13 s, 256 × 240 pixels, 89 kbps overall, file size: 137 KB)
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Summary
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English: This graphic shows the same T2 decay as before, but now all the individual proton dipoles are shown extending from the origin and we are observing from the positive Z-axis. The graphic better demonstrates how the many dipoles, when aligned, result in a large net dipole. However, as their slightly different Larmor frequences cause them to drift apart, they lose their alignment and cause the XY-component to decrease.
To recap: In the case of T1 decay, if too many proton dipoles start pointing in the Z-direction, the sum of the XY-components of the individual dipoles are too small to be measured, even if they're aligned. In the case of T2 decay, if too many proton dipoles are pointing in different directions, the individual dipoles will cancel each other out, even if they're mostly sitting along the XY-plane. In reality, both phenomenon result in signal attenuation. |
| Date | |
| Source | YouTube: T2 Decay Consolidated (expand the description below for a detailed explanation) – View/save archived versions on archive.org and archive.today |
| Author | Tyler Moore |
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Attribution: Tyler Moore
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This file, which was originally posted to YouTube: T2 Decay Consolidated (expand the description below for a detailed explanation), was reviewed on 14 February 2020 by the automatic software YouTubeReviewBot, which confirmed that this video was available there under the stated Creative Commons license on that date. This file should not be deleted if the license has changed in the meantime. The Creative Commons license is irrevocable.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:27, 19 June 2018 | 13 s, 256 × 240 (137 KB) | Vislupus (talk | contribs) | Imported media from https://www.youtube.com/watch?v=7K-Dg5jmV-8 |
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