Atomic and nuclear properties of materials:
Magnesium oxide MgO
QuantityValueUnits ValueUnits
<Z/A> 0.49622     
Density 3.58 g cm-3   
Mean excitation energy 143.8 eV   
Minimum ionization 1.674 MeV g-1cm2 5.991 MeV cm-1
Nuclear collision length 65.3 g cm-2 18.24 cm
Nuclear interaction length 98.1 g cm-2 27.40 cm
Pion collision length 91.8 g cm-2 25.65 cm
Pion interaction length 128.7 g cm-2 35.96 cm
Radiation length 28.02 g cm-2 7.828 cm
Critical energy 51.18 MeV (for e-) 49.72 MeV (for e+)
Molière radius 11.61 g cm-2 3.243 cm
Plasma energy 38.41 eV   
Muon critical energy 718. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
O
8
1.00
0.396964
Mg
 12
1.00
0.603036
* calculated from mass fraction data.

Explanation of some entries
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