Atomic and nuclear properties of calcium sulfate (CaSO4)
QuantityValueUnits ValueUnits
<Z/A> 0.49950     
Specific gravity 2.960 g cm-3   
Mean excitation energy 152.3 eV   
Minimum ionization 1.673 MeV g-1cm2 4.952 MeV cm-1
Nuclear collision length 67.5 g cm-2 22.81 cm
Nuclear interaction length 102.4 g cm-2 34.60 cm
Pion collision length 94.2 g cm-2 31.82 cm
Pion interaction length 133.4 g cm-2 45.07 cm
Radiation length 22.70 g cm-2 7.670 cm
Critical energy 41.51 MeV (for e-) 40.32 MeV (for e+)
Molière radius 11.60 g cm-2 3.918 cm
Plasma energy ℏωp 35.04 eV   
Muon critical energy 599. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
4.00
0.470095
S
16
1.00
0.235497
Ca
 20
1.00
0.294408
* 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