Atomic and nuclear properties of element 115 (Un)

recognized by IUPAC on December 2015, unnamed as of March 2016.
Status of heaviest elements as of March 2016 (pdf)
Atomic number 115  
Atomic mass [290.196(6)] g mole-1
Specific gravity ?? g cm-3
Mean excitation energy 1199.0 eV
Minimum ionization 1.092 MeV g-1cm2
Nuclear collision length 125.5 g cm-2
Nuclear interaction length 223.3 g cm-2
Pion collision length 148.0 g cm-2
Pion interaction length 249.1 g cm-2
Radiation length 5.02 g cm-2
Critical energy 5.75 MeV (for e-)
Molière radius 18.53 g cm-2
Plasma energy ωp 68.11 eV
Muon critical energy 111. 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 = 1199 eV assumed in calculating critical energies and dE/dx.