Atomic and nuclear properties of materials:
Cellulose acetate (C6H7O2(OCOCH3)3)n
QuantityValueUnits ValueUnits
<Z/A> 0.53040     
Density 1.42 g cm-3   
Mean excitation energy 77.6 eV   
Minimum ionization 1.885 MeV g-1cm2 2.676 MeV cm-1
Nuclear collision length 58.8 g cm-2 41.42 cm
Nuclear interaction length 84.4 g cm-2 59.45 cm
Pion collision length 86.2 g cm-2 60.71 cm
Pion interaction length 116.3 g cm-2 81.94 cm
Radiation length 38.75 g cm-2 27.29 cm
Critical energy 79.89 MeV (for e-) 77.74 MeV (for e+)
Molière radius 10.29 g cm-2 7.244 cm
Plasma energy 25.01 eV   
Muon critical energy 1042. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
10.00
0.062162
C
6
6.00
0.444462
O
8
5.00
0.493376
* 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