Atomic and nuclear properties of materials:
Molybdenum (Mo)
QuantityValueUnits ValueUnits
Atomic number 42     
Atomic mass 95.96(2) g mole-1   
Density 10.2 g cm-3   
Mean excitation energy 424.0 eV   
Minimum ionization 1.329 MeV g-1cm2 13.59 MeV cm-1
Nuclear collision length 93.0 g cm-2 9.105 cm
Nuclear interaction length 155.8 g cm-2 15.25 cm
Pion collision length 117.7 g cm-2 11.51 cm
Pion interaction length 183.8 g cm-2 17.98 cm
Radiation length 9.81 g cm-2 0.9594 cm
Critical energy 13.85 MeV (for e-) 13.39 MeV (for e+)
Molière radius 15.01 g cm-2 1.469 cm
Plasma energy 60.94 eV   
Muon critical energy 235. GeV   
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