| arXiv | Name | Symbol | Parsed | Bound |
|---|---|---|---|---|
| astro-ph/0507266 🔍 (source) | fraction | \bar { x } _ { i } | 0.5 |
|
| 0704.2239 🔍 (source) | mean volume ionized fraction | \bar { x } _ { i } | 1.0 |
|
| 0704.2239 🔍 (source) | \bar { x } _ { i } | 0.5 |
Upper | |
| 0711.1542 🔍 (source) | \bar { x } _ { i } | 0.5 |
Lower | |
| 0711.1542 🔍 (source) | \bar { x } _ { i } | 0.75 |
Lower | |
| 1406.4215 🔍 (source) | mean fraction of ionized hydrogen | \bar { x } _ { i } | 0.9 |