Atomic and nuclear properties of lutetium fluoride (LuF₃)

Quantity	Value	Units	Value	Units
<Z/A>	0.42248
Specific gravity	8.300	g cm-3
Mean excitation energy	458.7	eV
Minimum ionization	1.288	MeV g-1cm2	10.69	MeV cm-1
Nuclear collision length	93.4	g cm-2	11.25	cm
Nuclear interaction length	153.5	g cm-2	18.49	cm
Pion collision length	119.1	g cm-2	14.35	cm
Pion interaction length	184.2	g cm-2	22.20	cm
Radiation length	8.59	g cm-2	1.035	cm
Critical energy	11.70	MeV (for e-)	11.32	MeV (for e+)
Molière radius	15.57	g cm-2	1.876	cm
Plasma energy ℏωp	53.96	eV
Muon critical energy	199.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac
Lu	71	1.00	0.754291
F	9	3.00	0.245709
* 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