BIG-BANG NUCLEOSYNTHESIS

发布时间：2018-03-11 19:31

  本文选题：primordial　切入点：impressive　出处：《Chinese Physics C》2014年09期 　论文类型：期刊论文

【摘要】：正Revised October 2013 by B.D.Fields.(Univ.of Illinois)P.Molaro(Trieste Observatory)and S.Sarkar(Univ.of OxfordNiels Bohr Institute.Copenhagen).Big-Bang nucleosynthesis(BBN)offers the deepest reliable probe of the early Universe,being based on well-understood Standard Model physics[1].Predictions of the abundances of the light elements.D.~3He,~4He,and~7Li,synthesized at the end of the'first three minutes'.are in good overall agreement with the primordial abundances inferred from observational data,thus validating the standard hot Big-Bang cosmology(see[2-4]for reviews).This is particularly impressive given that these abundances span nine orders of magnitude-from~4He/H~0.08 down to~7Li/H~10~(-10)(ratios by number).Thus BBN provides powerful constraints on possible deviations from the standard cosmology,and on new physics beyond the Standard Model[5-8].
[Abstract]:Revised October 2013 by based on well-understood Standard physics [1] .Predictions of the abundances of the abundances of the light Elements.3Heand7Lially synthesized at end of the'first three minutes'.are in good overall agreement with the with Observatory)and Observatory)and with Observatory)and Observatory)and with with Observatory)and Observatory)and with Observatory)and Observatory)and with. Of magnitude-from~4He/H~0.08 down to~7Li/H~10~(-10)(ratios by number).Thus BBN provides powerful constraints on possible deviations from the standard cosmologyand on new physics beyond the Standard Model [5-8].
【作者单位】： University
【分类号】：P159.3

【共引文献】

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