Atomic and nuclear properties of calcium carbonate (CaCO3)
QuantityValueUnits ValueUnits
<Z/A> 0.49955     
Specific gravity 2.800 g cm-3   
Mean excitation energy 136.4 eV   
Minimum ionization 1.686 MeV g-1cm2 4.721 MeV cm-1
Nuclear collision length 66.1 g cm-2 23.60 cm
Nuclear interaction length 99.4 g cm-2 35.51 cm
Pion collision length 93.0 g cm-2 33.20 cm
Pion interaction length 130.8 g cm-2 46.73 cm
Radiation length 24.03 g cm-2 8.580 cm
Critical energy 44.20 MeV (for e-) 42.94 MeV (for e+)
Molière radius 11.53 g cm-2 4.116 cm
Plasma energy ℏωp 34.08 eV   
Muon critical energy 632. GeV   
Composition:
Elem ZAtomic frac* Mass frac
C
6
1.00
0.120003
O
8
3.00
0.479554
Ca
 20
1.00
0.400443
* 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