Atomic and nuclear properties of Freon-13 (CF₃Cl)

Quantity	Value	Units	Value	Units
<Z/A>	0.47966
Specific gravity (20° C, 1 atm)	0.9500	g cm-3
Mean excitation energy	126.6	eV
Minimum ionization	1.668	MeV g-1cm2	1.584	MeV cm-1
Nuclear collision length	66.9	g cm-2	70.45	cm
Nuclear interaction length	101.3	g cm-2	106.6	cm
Pion collision length	93.2	g cm-2	98.06	cm
Pion interaction length	131.5	g cm-2	138.4	cm
Radiation length	27.12	g cm-2	28.55	cm
Critical energy	50.36	MeV (for e-)	48.99	MeV (for e+)
Molière radius	11.42	g cm-2	12.02	cm
Plasma energy ℏωp	19.45	eV
Muon critical energy	699.	GeV

Composition:

Elem	Z	Atomic frac*	Mass frac
C	6	1.00	0.114983
F	9	3.00	0.545622
Cl	17	1.00	0.339396
* 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