Atomic Data Uncertainties in Primordial Helium Calculations

Details Atomic Data Uncertainties in Primordial Helium Calculations Atomic Data Uncertainties in Primordial Helium Calculations

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.9111p&link_type=abstract

American Astronomical Society, AAS Meeting #211, #91.11; Bulletin of the American Astronomical Society, Vol. 39, p.885

Astronomy and Astrophysics

Astronomy

Scientific paper

We quantify the uncertainties in primordial helium calculations due to uncertainties in HeI emissivities. We begin with a model helium atom in the case-B approximation and perturb the atomic data with Gaussian errors. Via a Monte Carlo analysis, we then calculate standard deviations in several of the strongest emission lines. Finally, we estimate the minimum uncertainties in primordial helium calculations due to atomic data uncertainties.

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