Atomic and nuclear properties of element 117 (Un)

Discovery claimed 2010, confirmed 05/2014
Status of heaviest elements as of May 2014 (pdf)
Atomic number 117  
Atomic mass [294.(8)] g mole-1
Specific gravity ?? g cm-3
Mean excitation energy 1227.0 eV
Minimum ionization 1.086 MeV g-1cm2
Nuclear collision length 126.0 g cm-2
Nuclear interaction length 224.3 g cm-2
Pion collision length 148.5 g cm-2
Pion interaction length 250.0 g cm-2
Radiation length 4.95 g cm-2
Critical energy 5.62 MeV (for e-)
Molière radius 18.65 g cm-2
Plasma energy ωp 68.02 eV
Muon critical energy 112. 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: One of the atomic masses reported by the JINR-LLNL group is given.
Note: Density 14.0 g/cm3 and Ieff = 1227 eV assumed in calculating critical energies and dE/dx.