Atomic and nuclear properties of calcium oxide (CaO)
QuantityValueUnits ValueUnits
<Z/A> 0.49929     
Specific gravity 3.300 g cm-3   
Mean excitation energy 176.1 eV   
Minimum ionization 1.650 MeV g-1cm2 5.445 MeV cm-1
Nuclear collision length 71.0 g cm-2 21.52 cm
Nuclear interaction length 109.5 g cm-2 33.20 cm
Pion collision length 97.4 g cm-2 29.50 cm
Pion interaction length 140.0 g cm-2 42.43 cm
Radiation length 19.01 g cm-2 5.760 cm
Critical energy 34.21 MeV (for e-) 33.21 MeV (for e+)
Molière radius 11.78 g cm-2 3.571 cm
Plasma energy ℏωp 36.99 eV   
Muon critical energy 507. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
1.00
0.285299
Ca
 20
1.00
0.714701
* 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