Atomic and nuclear properties of aluminum (Al)
QuantityValueUnits ValueUnits
Atomic number 13     
Atomic mass 26.9815385(7) g mole-1   
Specific gravity 2.699 g cm-3   
Mean excitation energy 166.0 eV   
Minimum ionization 1.615 MeV g-1cm2 4.358 MeV cm-1
Nuclear collision length 69.7 g cm-2 25.82 cm
Nuclear interaction length 107.2 g cm-2 39.70 cm
Pion collision length 95.6 g cm-2 35.41 cm
Pion interaction length 136.7 g cm-2 50.64 cm
Radiation length 24.01 g cm-2 8.897 cm
Critical energy 42.70 MeV (for e-) 41.48 MeV (for e+)
Molière radius 11.93 g cm-2 4.419 cm
Plasma energy ωp 32.86 eV   
Muon critical energy 612. GeV   
Melting point 933.5 K 660.3 C
Boiling point @ 1 atm 2792. K 2519. C
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