Quantity | Value | Units | Value | Units |
<Z/A> | 0.55236 | |||
Specific gravity | 1.140 | g cm-3 | ||
Mean excitation energy | 63.2 | eV | ||
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 ℏωp | 22.87 | eV | ||
Muon critical energy | 1180. | GeV |
Elem | Z | Atomic frac* | Mass frac |
1 | |||
6 | |||
7 | |||
8 | |||
* calculated from mass fraction data |