Atomic and nuclear properties of pyridine (C5H5N)
QuantityValueUnits ValueUnits
<Z/A> 0.53096     
Specific gravity 0.9819 g cm-3   
Mean excitation energy 66.2 eV   
Minimum ionization 1.918 MeV g-1cm2 1.883 MeV cm-1
Nuclear collision length 58.1 g cm-2 59.17 cm
Nuclear interaction length 83.0 g cm-2 84.54 cm
Pion collision length 85.5 g cm-2 87.12 cm
Pion interaction length 115.0 g cm-2 117.1 cm
Radiation length 42.64 g cm-2 43.42 cm
Critical energy 89.70 MeV (for e-) 87.34 MeV (for e+)
Molière radius 10.08 g cm-2 10.27 cm
Plasma energy ℏωp 20.81 eV   
Muon critical energy 1145. GeV   
Composition:
Elem ZAtomic frac* Mass frac
H
1
5.00
0.063710
C
6
5.00
0.759217
N
7
1.00
0.177073
* 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