Testing the Creation of the Universe: The Primordial Helium Abundance
Precision measurement of the primordial abundance of the light elements is one of the fundamental tests of the Big Bang. The primordial abundance of helium, Yp, the ratio of He to H by mass, is measured from emission lines that form during the recombination-decay process, He++e- → Heº (nL)+hv,...
Guardat en:
| Publicat a: | Revista Mexicana de Astronomía y Astrofísica |
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| Autors principals: | , , |
| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
Universidad Nacional Autónoma de México
2003
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| Matèries: | |
| Accés en línia: | https://www.redalyc.org/articulo.oa?id=57101804 |
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