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Quantifying uncertainties in primordial nucleosynthesis without Monte Carlo simulations

Abstract:
We present a simple method for determining the (correlated) uncertainties of the light element abundances expected from big bang nucleosynthesis, which avoids the need for lengthy Monte Carlo simulations. Our approach helps to clarify the role of the different nuclear reactions contributing to a particular elemental abundance and makes it easy to implement energy-independent changes in the measured reaction rates. As an application, we demonstrate how this method simplifies the statistical estimation of the nucleon-to-photon ratio through comparison of the standard BBN predictions with the observationally inferred abundances.
Publication status:
Published

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Publisher copy:
10.1103/PhysRevD.58.063506

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author


Journal:
Phys.Rev.D More from this journal
Volume:
58
Issue:
6
Pages:
063506
Publication date:
1998-03-16
DOI:
EISSN:
1089-4918
ISSN:
0556-2821


Language:
English
Keywords:
Pubs id:
pubs:180113
UUID:
uuid:9c47dd0b-5273-4628-9a9b-3b2f978484c1
Local pid:
pubs:180113
Source identifiers:
180113
Deposit date:
2012-12-19

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