Atomic and nuclear properties of materials:
Cesium (Cs)
QuantityValueUnits ValueUnits
Atomic number 55     
Atomic mass 132.9054519(2) g mole-1   
Specific gravity 1.87 g cm-3   
Minimum ionization 1.254 MeV g-1cm2 2.349 MeV cm-1
Nuclear collision length 101.2 g cm-2 54.01 cm
Nuclear interaction length 172.8 g cm-2 92.25 cm
Radiation length 8.31 g cm-2 4.434 cm
Critical energy 11.34 MeV (for e-) 10.97 MeV (for e+)
Molière radius 15.53 g cm-2 8.292 cm
Plasma energy 25.37 eV   
Muon critical energy 200. GeV   
For muons, dE/dx = a(E) + b(E) E. Tables of b(E): PS PDF TEXT
Table of muon dE/dx and Range: PS PDF TEXT
Explanation of some entries
Table of isotopes
x ray mass attenuation coefficients