Atomic and nuclear properties of materials:
Indium (In)

Quantity	Value	Units	Value	Units
Atomic number	49
Atomic mass	114.818(3)	g mole-1
Density	7.31	g cm-3
Mean excitation energy	488.0	eV
Minimum ionization	1.278	MeV g-1cm2	9.339	MeV cm-1
Nuclear collision length	97.4	g cm-2	13.32	cm
Nuclear interaction length	164.9	g cm-2	22.56	cm
Pion collision length	121.7	g cm-2	16.65	cm
Pion interaction length	192.6	g cm-2	26.34	cm
Radiation length	8.85	g cm-2	1.211	cm
Critical energy	12.06	MeV (for e-)	11.65	MeV (for e+)
Molière radius	15.56	g cm-2	2.129	cm
Plasma energy	50.90	eV
Muon critical energy	210.	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