Quantity | Value | Units | Value | Units |
<Z/A> | 0.49670 | |||
Specific gravity | 3.180 | g cm-3 | ||
Mean excitation energy | 166.0 | eV | ||
Minimum ionization | 1.655 | MeV g-1cm2 | 5.263 | MeV cm-1 |
Nuclear collision length | 70.1 | g cm-2 | 22.04 | cm |
Nuclear interaction length | 107.8 | g cm-2 | 33.89 | cm |
Pion collision length | 96.1 | g cm-2 | 30.22 | cm |
Pion interaction length | 137.5 | g cm-2 | 43.23 | cm |
Radiation length | 21.47 | g cm-2 | 6.751 | cm |
Critical energy | 38.82 | MeV (for e-) | 37.70 | MeV (for e+) |
Molière radius | 11.73 | g cm-2 | 3.688 | cm |
Plasma energy ℏωp | 36.22 | eV | ||
Muon critical energy | 565. | GeV | ||
Index of refraction (Na D) | 1.434 |
Elem | Z | Atomic frac* | Mass frac |
9 | |||
20 | |||
* calculated from mass fraction data |