Atomic and nuclear properties of plutonium dioxide (PuO2)
QuantityValueUnits ValueUnits
<Z/A> 0.40583     
Specific gravity 11.46 g cm-3   
Mean excitation energy 746.5 eV   
Minimum ionization 1.158 MeV g-1cm2 13.27 MeV cm-1
Nuclear collision length 107.4 g cm-2 9.374 cm
Nuclear interaction length 182.0 g cm-2 15.88 cm
Pion collision length 132.8 g cm-2 11.59 cm
Pion interaction length 213.2 g cm-2 18.61 cm
Radiation length 6.57 g cm-2 0.5735 cm
Critical energy 7.86 MeV (for e-) 7.58 MeV (for e+)
Molière radius 17.72 g cm-2 1.546 cm
Plasma energy ℏωp 62.14 eV   
Muon critical energy 147. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
2.00
0.118055
Pu
 94
0.98
0.881945
* 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