Atomic and nuclear properties of materials:
Striated muscle (ICRU)
QuantityValueUnits ValueUnits
<Z/A> 0.55005     
Density 1.04 g cm-3   
Mean excitation energy 74.7 eV   
Minimum ionization 1.973 MeV g-1cm2 2.052 MeV cm-1
Nuclear collision length 58.5 g cm-2 56.24 cm
Nuclear interaction length 83.4 g cm-2 80.24 cm
Pion collision length 85.9 g cm-2 82.61 cm
Pion interaction length 115.3 g cm-2 110.9 cm
Radiation length 36.51 g cm-2 35.11 cm
Critical energy 78.85 MeV (for e-) 76.75 MeV (for e+)
Molière radius 9.82 g cm-2 9.441 cm
Plasma energy 21.79 eV   
Muon critical energy 1033. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
1.00
0.101997
C
6
0.10
0.123000
N
7
0.02
0.035000
O
8
0.45
0.729003
Na
 11
0.00
0.000800
Mg
 12
0.00
0.000200
P
15
0.00
0.002000
S
16
0.00
0.005000
K
19
0.00
0.005000
* 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