Atomic and nuclear properties of materials:
Alanine (C3H7NO2)
QuantityValueUnits ValueUnits
<Z/A> 0.53976     
Density 1.42 g cm-3   
Mean excitation energy 71.9 eV   
Minimum ionization 1.924 MeV g-1cm2 2.732 MeV cm-1
Nuclear collision length 58.4 g cm-2 41.16 cm
Nuclear interaction length 83.5 g cm-2 58.82 cm
Pion collision length 85.9 g cm-2 60.49 cm
Pion interaction length 115.5 g cm-2 81.34 cm
Radiation length 39.44 g cm-2 27.77 cm
Critical energy 82.81 MeV (for e-) 80.59 MeV (for e+)
Molière radius 10.10 g cm-2 7.111 cm
Plasma energy 25.23 eV   
Muon critical energy 1076. GeV   
Composition:
Elem ZAtomic frac* Mass frac*
H
1
7.00
0.079190
C
6
3.00
0.404439
N
7
1.00
0.157213
O
8
2.00
0.359159
* 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