Atomic and nuclear properties of b-100 Bone-equivalent plastic
QuantityValueUnits ValueUnits
<Z/A> 0.52740     
Specific gravity 1.450 g cm-3   
Mean excitation energy 85.9 eV   
Minimum ionization 1.859 MeV g-1cm2 2.695 MeV cm-1
Nuclear collision length 61.0 g cm-2 42.10 cm
Nuclear interaction length 88.5 g cm-2 61.01 cm
Pion collision length 88.3 g cm-2 60.89 cm
Pion interaction length 120.2 g cm-2 82.93 cm
Radiation length 32.11 g cm-2 22.15 cm
Critical energy 65.17 MeV (for e-) 63.40 MeV (for e+)
Molière radius 10.45 g cm-2 7.206 cm
Plasma energy ℏωp 25.20 eV   
Muon critical energy 877. GeV   
Composition:
Elem ZAtomic frac* Mass frac
H
1
1.00
0.065471
C
6
0.69
0.536945
N
7
0.02
0.021500
O
8
0.03
0.032085
F
9
0.14
0.167411
Ca
 20
0.07
0.176589
* 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