Quantity | Value | Units | Value | Units |
<Z/A> | 0.58212 | |||
Specific gravity | 0.6262 | g cm-3 | ||
Mean excitation energy | 53.6 | eV | ||
Minimum ionization | 2.148 | MeV g-1cm2 | 1.345 | MeV cm-1 |
Nuclear collision length | 55.6 | g cm-2 | 88.85 | cm |
Nuclear interaction length | 77.4 | g cm-2 | 123.6 | cm |
Pion collision length | 83.3 | g cm-2 | 133.0 | cm |
Pion interaction length | 109.2 | g cm-2 | 174.4 | cm |
Radiation length | 45.14 | g cm-2 | 72.08 | cm |
Critical energy | 106.25 | MeV (for e-) | 103.51 | MeV (for e+) |
Molière radius | 9.01 | g cm-2 | 14.39 | cm |
Plasma energy ℏωp | 17.40 | eV | ||
Muon critical energy | 1329. | GeV | ||
Index of refraction (Na D) | 1711. |
Elem | Z | Atomic frac* | Mass frac |
1 | |||
6 | |||
* calculated from mass fraction data |