Atomic and nuclear properties of materials:
Beryllium oxide (BeO)
QuantityValueUnits ValueUnits
<Z/A> 0.47979     
Specific gravity 3.01 g cm-3   
Minimum ionization 1.665 MeV g-1cm2 5.012 MeV cm-1
Nuclear collision length 59.0 g cm-2 19.61 cm
Nuclear interaction length 85.3 g cm-2 28.33 cm
Radiation length 41.30 g cm-2 13.72 cm
Critical energy 74.86 MeV (for e-) 72.79 MeV (for e+)
Molière radius 11.70 g cm-2 3.887 cm
Plasma energy 34.63 eV   
Muon critical energy 976. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
Be
 4
1.00
0.360320
O
8
1.00
0.639680
* 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