Atomic and nuclear properties of materials:
Lanthanum oxybromide (LaOBr)

Quantity	Value	Units	Value	Units
<Z/A>	0.42599
Specific gravity	6.28	g cm-3
Minimum ionization	1.294	MeV g-1cm2	8.129	MeV cm-1
Nuclear collision length	93.3	g cm-2	14.86	cm
Nuclear interaction length	155.2	g cm-2	24.72	cm
Radiation length	9.57	g cm-2	1.524	cm
Critical energy	13.23	MeV (for e-)	12.80	MeV (for e+)
Molière radius	15.34	g cm-2	2.443	cm
Plasma energy	47.13	eV
Muon critical energy	226.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac*
O	8	1.00	0.068138
Br	35	1.00	0.340294
La	57	1.00	0.591568
* calculated from mass fraction data.

Explanation of some entries
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT