Atomic and nuclear properties of bismuth silicate (BSO) [(Bi₂O₃)₂(SiO₂)₃]

Quantity	Value	Units	Value	Units
<Z/A>	0.42260	mol g-1
Density	7.120	g cm-3
Mean excitation energy	519.2	eV
Minimum ionization	1.279	MeV g-1cm2	9.103	MeV cm-1
Nuclear interaction length	157.0	g cm-2	22.06	cm
Nuclear collision length	95.5	g cm-2	13.42	cm
Pion interaction length	189.2	g cm-2	26.57	cm
Pion collision length	121.9	g cm-2	17.12	cm
Radiation length	7.81	g cm-2	1.097	cm
Critical energy	10.68	MeV (for e-)	10.32	MeV (for e+)
Muon critical energy	183.	GeV
Molière radius	15.52	g cm-2	2.179	cm
Plasma energy ℏωp	49.98	eV

Composition:

Elem	Z	Atomic frac*	A	Mass frac
O	8	12.00	15.9990	0.172629
Si	14	3.00	28.0855	0.075759
Bi	83	4.00	208.9804	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: Mean excitation energy 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