Atomic and nuclear properties of bismuth silicate (BSO) [(Bi2O3)2(SiO2)3]
QuantityValueUnits ValueUnits
<Z/A> 0.42260     
Specific gravity 7.120 g cm-3   
Mean excitation energy 519.2 eV   
Minimum ionization 1.279 MeV g-1cm2 9.103 MeV cm-1
Nuclear collision length 95.5 g cm-2 13.42 cm
Nuclear interaction length 157.0 g cm-2 22.06 cm
Pion collision length 121.9 g cm-2 17.12 cm
Pion interaction length 189.3 g cm-2 26.59 cm
Radiation length 7.81 g cm-2 1.097 cm
Critical energy 10.68 MeV (for e-) 10.32 MeV (for e+)
Molière radius 15.52 g cm-2 2.179 cm
Plasma energy ℏωp 49.98 eV   
Muon critical energy 183. GeV   
Composition:
Elem ZAtomic frac* Mass frac
O
8
12.00
0.172629
Si
 14
3.00
0.075759
Bi
 83
4.00
0.751613
* 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
Note: Ieff calculated using the ICRU37 Table 5.1 algorithm for liquids and solids
Note: Evalite structure; less common is Bi{12}SiO{20}
Note: Check density. Probably wrong