| Quantity | Value | Units | Value | Units |
| <Z/A> | 0.47592 | |||
| Density | 5.20 | g cm-3 | ||
| Minimum ionization | 1.525 | MeV g-1cm2 | 7.930 | MeV cm-1 |
| Nuclear collision length | 74.3 | g cm-2 | 14.28 | cm |
| Nuclear interaction length | 115.9 | g cm-2 | 22.29 | cm |
| Pion collision length | 100.6 | g cm-2 | 19.36 | cm |
| Pion interaction length | 146.7 | g cm-2 | 28.22 | cm |
| Radiation length | 16.86 | g cm-2 | 3.242 | cm |
| Critical energy | 27.95 | MeV (for e-) | 27.10 | MeV (for e+) |
| Molière radius | 12.79 | g cm-2 | 2.460 | cm |
Plasma energy ![]() |
45.33 | eV | ||
| Muon critical energy | 429. | GeV |
| Elem | Z | Atomic frac* | Mass frac* |
| 8 | |||
| 26 | |||
| * calculated from mass fraction data. | |||