unpolarized
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
160
170
Intensity = I
o
=
I
o
=
I
o
=
I
o