Quantity | Value | Units | Value | Units |
Atomic number | 61 | |||
Atomic mass | [144.91275(3)] | g mole-1 | ||
Specific gravity | 7.264 | g cm-3 | ||
Mean excitation energy | 560.0 | eV | ||
Minimum ionization | 1.240 | MeV g-1cm2 | 9.008 | MeV cm-1 |
Nuclear collision length | 103.5 | g cm-2 | 14.25 | cm |
Nuclear interaction length | 177.7 | g cm-2 | 24.46 | cm |
Pion collision length | 127.5 | g cm-2 | 17.55 | cm |
Pion interaction length | 204.9 | g cm-2 | 28.20 | cm |
Radiation length | 7.51 | g cm-2 | 1.035 | cm |
Critical energy | 9.83 | MeV (for e-) | 9.49 | MeV (for e+) |
Molière radius | 16.21 | g cm-2 | 2.231 | cm |
Plasma energy ℏωp | 50.39 | eV | ||
Muon critical energy | 180. | GeV |