Quantity | Value | Units | Value | Units |
<Z/A> | 0.53937 | |||
Specific gravity | 1.190 | g cm-3 | ||
Mean excitation energy | 74.0 | eV | ||
Minimum ionization | 1.929 | MeV g-1cm2 | 2.296 | MeV cm-1 |
Nuclear collision length | 58.1 | g cm-2 | 48.79 | cm |
Nuclear interaction length | 82.8 | g cm-2 | 69.54 | cm |
Pion collision length | 85.5 | g cm-2 | 71.86 | cm |
Pion interaction length | 114.7 | g cm-2 | 96.39 | cm |
Radiation length | 40.55 | g cm-2 | 34.07 | cm |
Critical energy | 85.79 | MeV (for e-) | 83.51 | MeV (for e+) |
Molière radius | 10.02 | g cm-2 | 8.422 | cm |
Plasma energy ℏωp | 23.09 | eV | ||
Muon critical energy | 1107. | GeV | ||
Index of refraction (Na D) | 1.491 |
Elem | Z | Atomic frac* | Mass frac |
1 | |||
6 | |||
8 | |||
* calculated from mass fraction data |