File:Schramm plot BBN review 2019.png

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English: This "Schramm plot" depicts primordial abundances of 4He, D, 3He, and 7Li as a function of cosmic baryon content from standard BBN predictions. CMB predictions of 7Li (narrow vertical bands, at 95% CL) and the BBN D+4He concordance range (wider vertical bands, at 95% CL) should overlap with the observed light element abundances (yellow boxes) to be in agreement. This occurs in 4He and is well constrained in D, but is not the case for 7Li, where the observed Li observations lie a factor 3 − 4 below the BBN+WMAP prediction.
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Author Paleo2

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Captions

A “Schramm plot” which depicts the primordial abundances of 4He, D, 3He, and 7Li as a function of cosmic baryon content.

inception

29 April 2020

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Date/TimeThumbnailDimensionsUserComment
current03:35, 8 May 2020Thumbnail for version as of 03:35, 8 May 20201,022 × 1,292 (232 KB)Paleo2Cross-wiki upload from en.wikipedia.org
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