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No Crisis for Big Bang Nucleosynthesis

Abstract:

Contrary to a recent claim, the inferred primordial abundances of the light elements are quite consistent with the expectations from standard big bang nucleosynthesis when attention is restricted to direct observations rather than results from chemical evolution models. The number of light neutrino (or equivalent particle) species ($N_\nu$) can be as high as 4.53 if the nucleon-to-photon ratio ($\eta$) is at its lower limit of $1.65 \times 10^{-10}$, as constrained by the upper bound on the d...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.54.R3681

Authors


Kernan, PJ More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Journal:
Phys.Rev.D
Volume:
54
Issue:
6
Pages:
3681-3685
Publication date:
1996-03-12
DOI:
EISSN:
1089-4918
ISSN:
0556-2821
URN:
uuid:c9c77584-a14c-4780-986f-f9ec7e524ec0
Source identifiers:
180109
Local pid:
pubs:180109
Language:
English
Keywords:

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