Quantity | Value | Units | Value | Units |
Atomic number | 93 | |||
Atomic mass | [237.04817(2)] | g mole-1 | ||
Specific gravity | 20.25 | g cm-3 | ||
Mean excitation energy | 902.0 | eV | ||
Minimum ionization | 1.095 | MeV g-1cm2 | 22.17 | MeV cm-1 |
Nuclear collision length | 118.5 | g cm-2 | 5.850 | cm |
Nuclear interaction length | 208.7 | g cm-2 | 10.31 | cm |
Pion collision length | 141.4 | g cm-2 | 6.984 | cm |
Pion interaction length | 235.0 | g cm-2 | 11.60 | cm |
Radiation length | 5.87 | g cm-2 | 0.2897 | cm |
Critical energy | 6.57 | MeV (for e-) | 6.33 | MeV (for e+) |
Molière radius | 18.93 | g cm-2 | 0.9349 | cm |
Plasma energy ℏωp | 81.22 | eV | ||
Muon critical energy | 127. | GeV |