Atomic and nuclear properties of rhenium (Re)
QuantityValueUnits ValueUnits
Atomic number 75     
Atomic mass 186.207(1) g mole-1   
Specific gravity 21.02 g cm-3   
Mean excitation energy 736.0 eV   
Minimum ionization 1.143 MeV g-1cm2 24.02 MeV cm-1
Nuclear collision length 110.8 g cm-2 5.269 cm
Nuclear interaction length 192.8 g cm-2 9.170 cm
Pion collision length 134.2 g cm-2 6.386 cm
Pion interaction length 219.5 g cm-2 10.44 cm
Radiation length 6.69 g cm-2 0.3183 cm
Critical energy 7.85 MeV (for e-) 7.57 MeV (for e+)
Molière radius 18.06 g cm-2 0.8594 cm
Plasma energy ωp 83.85 eV   
Muon critical energy 148. 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
Table of isotopes Warning: may not be current
x ray mass attenuation coefficients