Atomic and nuclear properties of materials:
Magnesium fluoride MgF2
QuantityValueUnits ValueUnits
<Z/A> 0.48153     
Density 3.00 g cm-3   
Mean excitation energy 134.3 eV   
Minimum ionization 1.640 MeV g-1cm2 4.920 MeV cm-1
Nuclear collision length 66.2 g cm-2 22.06 cm
Nuclear interaction length 99.9 g cm-2 33.31 cm
Pion collision length 92.2 g cm-2 30.74 cm
Pion interaction length 129.7 g cm-2 43.22 cm
Radiation length 29.32 g cm-2 9.774 cm
Critical energy 52.47 MeV (for e-) 50.99 MeV (for e+)
Molière radius 11.85 g cm-2 3.950 cm
Plasma energy 34.63 eV   
Muon critical energy 730. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
F
9
2.00
0.609883
Mg
 12
1.00
0.390117
* 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