Atomic and nuclear properties of materials:
Freon-13B1 (CF3Br)
QuantityValueUnits ValueUnits
<Z/A> 0.45665     
Specific gravity (20° C, 1 atm) 1.50 g cm-3   
Mean excitation energy 210.5 eV   
Minimum ionization 1.513 MeV g-1cm2 2.270 MeV cm-1
Nuclear collision length 75.2 g cm-2 50.16 cm
Nuclear interaction length 117.5 g cm-2 78.31 cm
Pion collision length 101.5 g cm-2 67.66 cm
Pion interaction length 148.1 g cm-2 98.76 cm
Radiation length 16.53 g cm-2 11.02 cm
Critical energy 27.60 MeV (for e-) 26.80 MeV (for e+)
Molière radius 12.70 g cm-2 8.467 cm
Plasma energy 23.85 eV   
Muon critical energy 418. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
C
6
1.00
0.080659
F
9
3.00
0.382749
Br
 35
1.00
0.536592
* 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