Atomic and nuclear properties of materials:
Sulfur (S )

Quantity	Value	Units	Value	Units
Atomic number	16
Atomic mass	32.065(5)	g mole-1
Density	2.00	g cm-3
Mean excitation energy	180.0	eV
Minimum ionization	1.652	MeV g-1cm2	3.305	MeV cm-1
Nuclear collision length	72.2	g cm-2	36.11	cm
Nuclear interaction length	112.4	g cm-2	56.22	cm
Pion collision length	98.0	g cm-2	49.02	cm
Pion interaction length	141.7	g cm-2	70.85	cm
Radiation length	19.50	g cm-2	9.748	cm
Critical energy	35.85	MeV (for e-)	34.83	MeV (for e+)
Molière radius	11.53	g cm-2	5.766	cm
Plasma energy	28.79	eV
Muon critical energy	527.	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