Atomic and nuclear properties of materials:
Manganese (Mn)
QuantityValueUnits ValueUnits
Atomic number 25     
Atomic mass 54.938045(5) g mole-1   
Density 7.44 g cm-3   
Mean excitation energy 272.0 eV   
Minimum ionization 1.428 MeV g-1cm2 10.62 MeV cm-1
Nuclear collision length 81.4 g cm-2 10.94 cm
Nuclear interaction length 131.4 g cm-2 17.67 cm
Pion collision length 106.7 g cm-2 14.34 cm
Pion interaction length 160.2 g cm-2 21.54 cm
Radiation length 14.64 g cm-2 1.968 cm
Critical energy 22.59 MeV (for e-) 21.89 MeV (for e+)
Molière radius 13.74 g cm-2 1.847 cm
Plasma energy 53.02 eV   
Muon critical energy 358. 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 Warning: may not be current
x ray mass attenuation coefficients