Atomic and nuclear properties of hassium (Hs)
Atomic number 108  
Atomic mass [277.1520(1)] g mole-1
Specific gravity ?? g cm-3
Mean excitation energy 1102.0 eV
Minimum ionization 1.110 MeV g-1cm2
Nuclear collision length 123.8 g cm-2
Nuclear interaction length 219.9 g cm-2
Pion collision length 146.5 g cm-2
Pion interaction length 245.8 g cm-2
Radiation length 5.33 g cm-2
Critical energy 6.21 MeV (for e-)
Molière radius 18.18 g cm-2
Plasma energy ωp 68.30 eV
Muon critical energy 119. GeV
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
Note: Since there is no stable isotope, [atomic mass] is that of the longest-lived isotope known as of Aug 2015.
Note: Density 14.0 g/cm3 and Ieff = 1102 eV assumed in calculating critical energies and dE/dx.
Table of isotopes Warning: may not be current