Atomic and nuclear properties of gadolinium oxysulfide (Gd2O2S)
QuantityValueUnits ValueUnits
<Z/A> 0.42266     
Specific gravity 7.440 g cm-3   
Mean excitation energy 493.3 eV   
Minimum ionization 1.257 MeV g-1cm2 9.352 MeV cm-1
Nuclear collision length 96.1 g cm-2 12.92 cm
Nuclear interaction length 160.1 g cm-2 21.52 cm
Pion collision length 121.5 g cm-2 16.33 cm
Pion interaction length 190.2 g cm-2 25.57 cm
Radiation length 8.49 g cm-2 1.141 cm
Critical energy 11.27 MeV (for e-) 10.89 MeV (for e+)
Molière radius 15.96 g cm-2 2.146 cm
Plasma energy ℏωp 51.10 eV   
Muon critical energy 199. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
2.00
0.084528
S
16
1.00
0.084690
Gd
 64
2.00
0.830782
* 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