arXiv | Name | Symbol | Parsed | Bound |
---|---|---|---|---|
astro-ph/0408392 🔍 (source) | primordial helium mass fraction | Y _ { p } | 0.244 |
|
astro-ph/0702072 🔍 (source) | primordial helium mass fraction | Y _ { p } | 0.2472 ± 0.0012 |
|
1001.4635 🔍 (source) | primordial helium mass fraction | Y _ { He } | 0.28 +0.14-0.15 |
|
2005.12290 🔍 (source) | primordial helium mass fraction | Y _ { P } | 0.2436 +0.0039-0.004 |