Atomic and nuclear properties of materials:
Lead (Pb)
QuantityValueUnits ValueUnits
Atomic number 82     
Atomic mass 207.2(1) g mole-1   
Density 11.4 g cm-3   
Mean excitation energy 823.0 eV   
Minimum ionization 1.122 MeV g-1cm2 12.74 MeV cm-1
Nuclear collision length 114.1 g cm-2 10.05 cm
Nuclear interaction length 199.6 g cm-2 17.59 cm
Pion collision length 137.3 g cm-2 12.10 cm
Pion interaction length 226.2 g cm-2 19.93 cm
Radiation length 6.37 g cm-2 0.5612 cm
Critical energy 7.43 MeV (for e-) 7.16 MeV (for e+)
Molière radius 18.18 g cm-2 1.602 cm
Plasma energy 61.07 eV   
Muon critical energy 141. GeV   
Melting point 600.6 K 327.5 C
Boiling point @ 1 atm 2022. K 1749. C
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients