Atomic and nuclear properties of heavy water (liquid) (D2O)
QuantityValueUnits ValueUnits
<Z/A> 0.49931     
Specific gravity 1.107 g cm-3   
Mean excitation energy 79.7 eV   
Minimum ionization 1.782 MeV g-1cm2 1.972 MeV cm-1
Nuclear collision length 109.9 g cm-2 99.26 cm
Nuclear interaction length 171.6 g cm-2 155.0 cm
Pion collision length 173.2 g cm-2 156.5 cm
Pion interaction length 269.7 g cm-2 243.6 cm
Radiation length 40.11 g cm-2 36.24 cm
Critical energy 78.33 MeV (for e-) 76.24 MeV (for e+)
Molière radius 10.86 g cm-2 9.810 cm
Plasma energy ωp 21.42 eV   
Muon critical energy 967. GeV   
Melting point 277.0 K 3.820 C
Boiling point @ 1 atm 374.5 K 101.4 C
Index of refraction (Na D) 1.328     
Composition:
Elem ZAtomic frac* Mass frac
H
1
2.00
0.201133
O
8
1.00
0.798867
* 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