Atomic and nuclear properties of antimony (Sb)
QuantityValueUnits ValueUnits
Atomic number 51     
Atomic mass 121.760(1) g mole-1   
Specific gravity 6.691 g cm-3   
Mean excitation energy 487.0 eV   
Minimum ionization 1.259 MeV g-1cm2 8.424 MeV cm-1
Nuclear collision length 98.9 g cm-2 14.78 cm
Nuclear interaction length 168.0 g cm-2 25.11 cm
Pion collision length 123.1 g cm-2 18.40 cm
Pion interaction length 195.6 g cm-2 29.23 cm
Radiation length 8.73 g cm-2 1.304 cm
Critical energy 11.70 MeV (for e-) 11.31 MeV (for e+)
Molière radius 15.81 g cm-2 2.363 cm
Plasma energy ωp 48.24 eV   
Muon critical energy 204. 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 via WIKIPEDIA
x ray mass attenuation coefficients from NIST