Atomic and nuclear properties of ferrous oxide (FeO)
QuantityValueUnits ValueUnits
<Z/A> 0.47323     
Specific gravity 5.700 g cm-3   
Mean excitation energy 248.6 eV   
Minimum ionization 1.503 MeV g-1cm2 8.567 MeV cm-1
Nuclear collision length 76.0 g cm-2 13.34 cm
Nuclear interaction length 119.7 g cm-2 21.00 cm
Pion collision length 102.2 g cm-2 17.93 cm
Pion interaction length 150.1 g cm-2 26.34 cm
Radiation length 15.96 g cm-2 2.799 cm
Critical energy 26.07 MeV (for e-) 25.27 MeV (for e+)
Molière radius 12.98 g cm-2 2.277 cm
Plasma energy ℏωp 47.33 eV   
Muon critical energy 405. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
1.00
0.222689
Fe
 26
1.00
0.777311
* 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