Atomic and nuclear properties of tungsten (W)
QuantityValueUnits ValueUnits
Atomic number 74     
Atomic mass 183.84(1) g mole-1   
Specific gravity 19.30 g cm-3   
Mean excitation energy 727.0 eV   
Minimum ionization 1.145 MeV g-1cm2 22.10 MeV cm-1
Nuclear collision length 110.4 g cm-2 5.719 cm
Nuclear interaction length 191.9 g cm-2 9.946 cm
Pion collision length 133.9 g cm-2 6.936 cm
Pion interaction length 218.7 g cm-2 11.33 cm
Radiation length 6.76 g cm-2 0.3504 cm
Critical energy 7.97 MeV (for e-) 7.68 MeV (for e+)
Molière radius 18.00 g cm-2 0.9327 cm
Plasma energy ωp 80.32 eV   
Muon critical energy 150. GeV   
Melting point 3695. K 3422. C
Boiling point @ 1 atm 5828. K 5555. C
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