Quantity | Value | Units | Value | Units |
<Z/A> | 0.55005 | |||
Specific gravity | 1.040 | g cm-3 | ||
Mean excitation energy | 74.7 | eV | ||
Minimum ionization | 1.973 | MeV g-1cm2 | 2.052 | MeV cm-1 |
Nuclear collision length | 58.5 | g cm-2 | 56.24 | cm |
Nuclear interaction length | 83.4 | g cm-2 | 80.24 | cm |
Pion collision length | 85.9 | g cm-2 | 82.61 | cm |
Pion interaction length | 115.3 | g cm-2 | 110.9 | cm |
Radiation length | 36.51 | g cm-2 | 35.11 | cm |
Critical energy | 78.85 | MeV (for e-) | 76.75 | MeV (for e+) |
Molière radius | 9.82 | g cm-2 | 9.441 | cm |
Plasma energy ℏωp | 21.79 | eV | ||
Muon critical energy | 1033. | GeV |
Elem | Z | Atomic frac* | Mass frac |
1 | |||
6 | |||
7 | |||
8 | |||
11 | |||
12 | |||
15 | |||
16 | |||
19 | |||
* calculated from mass fraction data |