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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

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
Journal:
Phys.Rev.D
Volume:
54
Issue:
6
Pages:
3681-3685
Publication date:
1996-03-12
DOI:
EISSN:
1089-4918
ISSN:
0556-2821
Source identifiers:
180109
Language:
English
Keywords:
Pubs id:
pubs:180109
UUID:
uuid:c9c77584-a14c-4780-986f-f9ec7e524ec0
Local pid:
pubs:180109
Deposit date:
2012-12-19

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