Atomic and nuclear properties of materials:
Rubber neoprene (C4H5Cl)n
QuantityValueUnits ValueUnits
<Z/A> 0.51956     
Density 1.23 g cm-3   
Mean excitation energy 93.0 eV   
Minimum ionization 1.826 MeV g-1cm2 2.246 MeV cm-1
Nuclear collision length 62.8 g cm-2 51.06 cm
Nuclear interaction length 91.9 g cm-2 74.73 cm
Pion collision length 90.0 g cm-2 73.19 cm
Pion interaction length 123.8 g cm-2 100.6 cm
Radiation length 29.08 g cm-2 23.65 cm
Critical energy 58.25 MeV (for e-) 56.66 MeV (for e+)
Molière radius 10.59 g cm-2 8.608 cm
Plasma energy 23.04 eV   
Muon critical energy 796. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
5.00
0.056920
C
6
4.00
0.542646
Cl
 17
1.00
0.400434
* 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