Atomic and nuclear properties of lead fluoride (PbF₂)

Quantity	Value	Units	Value	Units
<Z/A>	0.40784
Specific gravity	7.770	g cm-3
Mean excitation energy	635.4	eV
Minimum ionization	1.206	MeV g-1cm2	9.373	MeV cm-1
Nuclear collision length	102.1	g cm-2	13.14	cm
Nuclear interaction length	171.7	g cm-2	22.10	cm
Pion collision length	127.3	g cm-2	16.38	cm
Pion interaction length	201.9	g cm-2	25.98	cm
Radiation length	7.28	g cm-2	0.9369	cm
Critical energy	9.35	MeV (for e-)	9.04	MeV (for e+)
Molière radius	16.50	g cm-2	2.124	cm
Plasma energy ℏωp	51.30	eV
Muon critical energy	165.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac
Pb	82	1.00	0.845035
F	9	2.00	0.154965
* 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