Atomic and nuclear properties of materials:
Liquid deuterium (D2) (D )
QuantityValueUnits ValueUnits
Atomic number 1     
Atomic mass 2.014101764(13) g mole-1   
Density 0.169 g cm-3   
Mean excitation energy 21.8 eV   
Minimum ionization 2.019 MeV g-1cm2 0.3411 MeV cm-1
Nuclear collision length 51.3 g cm-2 303.8 cm
Nuclear interaction length 71.8 g cm-2 424.7 cm
Pion collision length 81.4 g cm-2 481.8 cm
Pion interaction length 110.1 g cm-2 651.6 cm
Radiation length 125.98 g cm-2 745.4 cm
Critical energy 278.02 MeV (for e-) 271.50 MeV (for e+)
Molière radius 9.61 g cm-2 56.86 cm
Plasma energy 8.35 eV   
Muon critical energy 1592. GeV   
Boiling point @ 1 atm 23.65 K -249.5 C
Triple point 18.69 K -254.5 C
Index of refraction (@ STP, Na D) 1.11     
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
Explanation of some entries
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients