Atomic and nuclear properties of materials:
Polycarbonate (Lexan, [OC₆H₄C(CH₃)₂C₆H₄OCO]_{n

Quantity Value Units

Value Units

<Z/A>

0.52697

Density

1.20
g cm^-3

Minimum ionization

1.886
MeV g^-1cm²

2.263
MeV cm^-1

Nuclear collision length

58.3
g cm^-2

48.62
cm

Nuclear interaction length

83.6
g cm^-2

69.63
cm

Pion collision length

85.7
g cm^-2

71.46
cm

Pion interaction length

115.5
g cm^-2

96.27
cm

Radiation length

41.50
g cm^-2

34.59
cm

Critical energy

85.85
MeV (for e^-)

83.57
MeV (for e⁺)

Molière radius

10.25
g cm^-2

8.543
cm

Plasma energy

22.91
eV

Muon critical energy

1104.
GeV

Composition:

Elem Z Atomic frac* Mass frac*

H 1 14.00 0.055491
C 6 16.00 0.755751
O 8 3.00 0.188758
* calculated from mass fraction data.

Explanation of some entries

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}

Quantity	Value	Units	Value	Units
<Z/A>	0.52697
Density	1.20	g cm^-3
Minimum ionization	1.886	MeV g^-1cm²	2.263	MeV cm^-1
Nuclear collision length	58.3	g cm^-2	48.62	cm
Nuclear interaction length	83.6	g cm^-2	69.63	cm
Pion collision length	85.7	g cm^-2	71.46	cm
Pion interaction length	115.5	g cm^-2	96.27	cm
Radiation length	41.50	g cm^-2	34.59	cm
Critical energy	85.85	MeV (for e^-)	83.57	MeV (for e⁺)
Molière radius	10.25	g cm^-2	8.543	cm
Plasma energy	22.91	eV
Muon critical energy	1104.	GeV

Elem	Z	Atomic frac*	Mass frac*
H	1	14.00	0.055491
C	6	16.00	0.755751
O	8	3.00	0.188758
* calculated from mass fraction data.