Atomic and nuclear properties of lanthanum oxysulfide La2O2S
QuantityValueUnits ValueUnits
<Z/A> 0.42706     
Specific gravity 5.860 g cm-3   
Mean excitation energy 421.2 eV   
Minimum ionization 1.301 MeV g-1cm2 7.624 MeV cm-1
Nuclear collision length 92.9 g cm-2 15.85 cm
Nuclear interaction length 153.6 g cm-2 26.22 cm
Pion collision length 118.4 g cm-2 20.21 cm
Pion interaction length 183.8 g cm-2 31.36 cm
Radiation length 9.31 g cm-2 1.589 cm
Critical energy 12.90 MeV (for e-) 12.48 MeV (for e+)
Molière radius 15.30 g cm-2 2.612 cm
Plasma energy ℏωp 45.59 eV   
Muon critical energy 221. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
2.00
0.093600
S
16
1.00
0.093778
La
 57
2.00
0.812622
* 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