Quantity | Value | Units |
Value | Units |
<Z/A> |
0.47721
| |
| |
Specific gravity
(20° C, 1 atm) |
3.780E-03 |
g cm-3 |
| |
Mean excitation energy |
115.0 |
eV |
| |
Minimum ionization |
1.688 |
MeV g-1cm2 |
6.382E-03 |
MeV cm-1 |
Nuclear collision length |
64.1 |
g cm-2 |
1.696E+04
| cm |
Nuclear interaction length |
95.7 |
g cm-2 |
2.530E+04
| cm |
Pion collision length |
90.4 |
g cm-2 |
2.391E+04
| cm |
Pion interaction length |
125.9 |
g cm-2 |
3.330E+04
| cm |
Radiation length |
33.99
| g cm-2 |
8993.
| cm |
Critical energy |
75.12 |
MeV (for e-) |
73.39
| MeV (for e+) |
Molière radius |
9.60 |
g cm-2 |
2539.
| cm |
Plasma energy ℏωp |
1.22 |
eV |
| |
Muon critical energy |
974. |
GeV |
| |
Melting point |
89.55 |
K |
-183.6
| C |
Boiling point @ 1 atm |
145.3
| K |
-127.8
| C |
Composition: