| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.55063 | |||
| Density | 1.08 | g cm-3 | ||
| Minimum ionization | 1.987 | MeV g-1cm2 | 2.146 | MeV cm-1 |
| Nuclear collision length | 57.4 | g cm-2 | 53.15 | cm |
| Nuclear interaction length | 81.3 | g cm-2 | 75.25 | cm |
| Pion collision length | 84.9 | g cm-2 | 78.64 | cm |
| Pion interaction length | 113.2 | g cm-2 | 104.9 | cm |
| Radiation length | 42.04 | g cm-2 | 38.93 | cm |
| Critical energy | 91.31 | MeV (for e-) | 88.90 | MeV (for e+) |
| Molière radius | 9.76 | g cm-2 | 9.039 | cm |
Plasma energy ![]() |
22.22 | eV | ||
| Muon critical energy | 1168. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 1 | |||
| 6 | |||
| 7 | |||
| 8 | |||
| * calculated from mass fraction data. | |||