Atomic and nuclear properties of materials:
Californium (Cf)
Atomic number 98  
Atomic mass [251.07959(3)] g mole-1
Density ?? g cm-3
Mean excitation energy 966.0 eV
Minimum ionization 1.097 MeV g-1cm2
Nuclear collision length 120.4 g cm-2
Nuclear interaction length 212.8 g cm-2
Pion collision length 143.2 g cm-2
Pion interaction length 238.9 g cm-2
Radiation length 5.68 g cm-2
Critical energy 6.53 MeV (for e-)
Molière radius 18.45 g cm-2
Plasma energy 67.36 eV
Muon critical energy 124. GeV
Melting point 1173. K
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
Note: Since there is no stable isotope, [atomic mass] is that of the longest-lived known isotope as of Jan 2007.
Note: Density 14.0 g/cm3 and Ieff = 966 eV assumed in calculating critical energies and dE/dx.
Table of isotopes Warning: may not be current