Atomic and nuclear properties of polyacrylonitrile [(C3H3N)n]
QuantityValueUnits ValueUnits
<Z/A> 0.52767     
Specific gravity 1.170 g cm-3   
Mean excitation energy 69.6 eV   
Minimum ionization 1.894 MeV g-1cm2 2.216 MeV cm-1
Nuclear collision length 58.4 g cm-2 49.92 cm
Nuclear interaction length 83.7 g cm-2 71.51 cm
Pion collision length 85.8 g cm-2 73.36 cm
Pion interaction length 115.7 g cm-2 98.88 cm
Radiation length 42.09 g cm-2 35.98 cm
Critical energy 87.34 MeV (for e-) 85.02 MeV (for e+)
Molière radius 10.22 g cm-2 8.735 cm
Plasma energy ℏωp 22.64 eV   
Muon critical energy 1120. GeV   
Composition:
Elem ZAtomic frac* Mass frac
H
1
3.00
0.056983
C
6
3.00
0.679056
N
7
1.00
0.263962
* 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