Atomic and nuclear properties of polyvinyltoluene [(2-CH₃C₆H₄CHCH₂)_n]

Quantity	Value	Units	Value	Units
<Z/A>	0.54141	mol g-1
Density	1.032	g cm-3
Mean excitation energy	64.7	eV
Minimum ionization	1.956	MeV g-1cm2	2.019	MeV cm-1
Nuclear interaction length	81.3	g cm-2	78.79	cm
Nuclear collision length	57.3	g cm-2	55.56	cm
Pion interaction length	113.6	g cm-2	110.0	cm
Pion collision length	84.8	g cm-2	82.19	cm
Radiation length	43.90	g cm-2	42.54	cm
Critical energy	94.11	MeV (for e-)	91.62	MeV (for e+)
Muon critical energy	1195.	GeV
Molière radius	9.89	g cm-2	9.586	cm
Plasma energy ℏωp	21.54	eV
Index of refraction (Na D)	1.580

Composition:

Elem	Z	Atomic frac*	A	Mass frac
H	1	10.00	1.0080	0.085000
C	6	9.03	12.0107	0.915000
* calculated from mass fraction data

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