| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.55236 | |||
| Density | 1.14 | g cm-3 | ||
| Minimum ionization | 1.992 | MeV g-1cm2 | 2.271 | MeV cm-1 |
| Nuclear collision length | 57.3 | g cm-2 | 50.23 | cm |
| Nuclear interaction length | 81.0 | g cm-2 | 71.02 | cm |
| Pion collision length | 84.8 | g cm-2 | 74.38 | cm |
| Pion interaction length | 112.9 | g cm-2 | 99.06 | cm |
| Radiation length | 42.45 | g cm-2 | 37.24 | cm |
| Critical energy | 92.34 | MeV (for e-) | 89.89 | MeV (for e+) |
| Molière radius | 9.75 | g cm-2 | 8.552 | cm |
Plasma energy ![]() |
22.87 | eV | ||
| Muon critical energy | 1180. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| 7 | |||
| 8 | |||
| * calculated from mass fraction data. | |||