H-, He-like recombination spectra – II. l -changing collisions for He Rydberg states

H-, He-like recombination spectra – II. l -changing collisions for He Rydberg states

Cosmological models can be constrained by determining primordial abundances. Accurate predictions of the He i spectrum are needed to determine the primordial helium abundance to a precision of

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Bibliographische Detailangaben
Veröffentlicht in:Monthly notices of the Royal Astronomical Society 2017-01, Vol.464 (1), p.312-312
Hauptverfasser: Guzman, F, Badnell, N R, Williams, R J R, van Hoof, P A M, Chatzikos, M, Ferland, G J
Format: Artikel
Sprache:eng
Schlagworte:
Astronomical models
Astronomy
Constraints
Cosmology
Criteria
Emissivity
Energy
Helium
Mathematical models
Nuclei (nuclear physics)
Predictions
Simulation
Spectra
Spectrum analysis
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Beschreibung
Zusammenfassung:Cosmological models can be constrained by determining primordial abundances. Accurate predictions of the He i spectrum are needed to determine the primordial helium abundance to a precision of
ISSN:0035-8711
1365-2966
DOI:10.1093/mnras/stw2304