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,...
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| Опубликовано в:: | Revista Mexicana de Astronomía y Astrofísica |
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| Главные авторы: | , , |
| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
Universidad Nacional Autónoma de México
2003
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| Предметы: | |
| Online-ссылка: | https://www.redalyc.org/articulo.oa?id=57101804 |
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