Atomic and nuclear properties of materials:
Polyvinyltoluene ([2-CH3C6H4CHCH2]n)
QuantityValueUnits ValueUnits
<Z/A> 0.54141     
Density 1.03 g cm-3   
Mean excitation energy 64.7 eV   
Minimum ionization 1.956 MeV g-1cm2 2.019 MeV cm-1
Nuclear collision length 57.3 g cm-2 55.56 cm
Nuclear interaction length 81.3 g cm-2 78.80 cm
Pion collision length 84.8 g cm-2 82.19 cm
Pion interaction length 113.3 g cm-2 109.8 cm
Radiation length 43.90 g cm-2 42.54 cm
Critical energy 94.11 MeV (for e-) 91.62 MeV (for e+)
Molière radius 9.89 g cm-2 9.586 cm
Plasma energy 21.54 eV   
Muon critical energy 1195. GeV   
Index of refraction (@ STP, Na D) 1.58     
Composition:
Elem ZAtomic frac* Mass frac*
H
1
10.00
0.085000
C
6
9.03
0.915000
* 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