| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.55014 | |||
| Density | 1.07 | g cm-3 | ||
| Minimum ionization | 1.973 | MeV g-1cm2 | 2.111 | MeV cm-1 |
| Nuclear collision length | 58.5 | g cm-2 | 54.67 | cm |
| Nuclear interaction length | 83.4 | g cm-2 | 77.95 | cm |
| Pion collision length | 86.0 | g cm-2 | 80.35 | cm |
| Pion interaction length | 115.3 | g cm-2 | 107.8 | cm |
| Radiation length | 36.97 | g cm-2 | 34.55 | cm |
| Critical energy | 79.81 | MeV (for e-) | 77.68 | MeV (for e+) |
| Molière radius | 9.82 | g cm-2 | 9.180 | cm |
Plasma energy ![]() |
22.11 | eV | ||
| Muon critical energy | 1044. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| 7 | |||
| 8 | |||
| * calculated from mass fraction data. | |||