Atomic and nuclear properties of cerium (Ce)
QuantityValueUnits ValueUnits
Atomic number 58     
Atomic mass 140.116(1) g mole-1   
Specific gravity 6.770 g cm-3   
Mean excitation energy 523.0 eV   
Minimum ionization 1.234 MeV g-1cm2 8.353 MeV cm-1
Nuclear collision length 102.6 g cm-2 15.15 cm
Nuclear interaction length 175.7 g cm-2 25.96 cm
Pion collision length 126.6 g cm-2 18.70 cm
Pion interaction length 203.0 g cm-2 29.99 cm
Radiation length 7.96 g cm-2 1.175 cm
Critical energy 10.40 MeV (for e-) 10.04 MeV (for e+)
Molière radius 16.23 g cm-2 2.397 cm
Plasma energy ωp 48.24 eV   
Muon critical energy 185. GeV   
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PDF TEXT
Table of muon dE/dx and Range: PDF TEXT
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients