Atomic and nuclear properties of tungsten hexafluoride (WF6)
QuantityValueUnits ValueUnits
<Z/A> 0.42976     
Specific gravity 2.400 g cm-3   
Mean excitation energy 354.4 eV   
Minimum ionization 1.346 MeV g-1cm2 3.230 MeV cm-1
Nuclear collision length 87.1 g cm-2 36.28 cm
Nuclear interaction length 140.0 g cm-2 58.32 cm
Pion collision length 113.4 g cm-2 47.26 cm
Pion interaction length 171.5 g cm-2 71.47 cm
Radiation length 9.72 g cm-2 4.049 cm
Critical energy 14.03 MeV (for e-) 13.59 MeV (for e+)
Molière radius 14.69 g cm-2 6.120 cm
Plasma energy ℏωp 29.27 eV   
Muon critical energy 234. GeV   
Composition:
Elem ZAtomic frac* Mass frac
F
9
6.00
0.382723
W
74
1.00
0.617277
* calculated from mass fraction data

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