Atomic and nuclear properties of n-heptane (C7H16)
QuantityValueUnits ValueUnits
<Z/A> 0.57992     
Specific gravity 0.6838 g cm-3   
Mean excitation energy 54.4 eV   
Minimum ionization 2.133 MeV g-1cm2 1.459 MeV cm-1
Nuclear collision length 55.8 g cm-2 81.56 cm
Nuclear interaction length 77.7 g cm-2 113.6 cm
Pion collision length 83.4 g cm-2 122.0 cm
Pion interaction length 109.5 g cm-2 160.2 cm
Radiation length 45.04 g cm-2 65.87 cm
Critical energy 105.24 MeV (for e-) 102.52 MeV (for e+)
Molière radius 9.07 g cm-2 13.27 cm
Plasma energy ℏωp 18.15 eV   
Muon critical energy 1319. GeV   
Composition:
Elem ZAtomic frac* Mass frac
H
1
16.00
0.160937
C
6
7.00
0.839063
* 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