Atomic and nuclear properties of neodymium (Nd)
QuantityValueUnits ValueUnits
Atomic number 60     
Atomic mass 144.242(3) g mol-1   
Density 7.008 g cm-3   
Mean excitation energy 546.0 eV   
Minimum ionization 1.231 MeV g-1cm2 8.625 MeV cm-1
Nuclear interaction length 177.4 g cm-2 25.31 cm
Nuclear collision length 103.4 g cm-2 14.75 cm
Pion interaction length 204.4 g cm-2 29.16 cm
Pion collision length 127.3 g cm-2 18.17 cm
Radiation length 7.71 g cm-2 1.100 cm
Critical energy 10.02 MeV (for e-) 9.68 MeV (for e+)
Muon critical energy 180. GeV   
Molière radius 16.30 g cm-2 2.326 cm
Plasma energy ωp 49.20 eV   
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 via WIKIPEDIA
x ray mass attenuation coefficients from NIST