wavel.	cross section	error limit

11.20	1.9e-19		1.9e-19
12.50	7.4e-19		7.4e-19
15.50	7.44e-18	5.58e-18
27.63	7.81e-18	2.6e-18
30.41	2.27e-17	1.04e-17
37.71	2.12e-17	4.46e-18
40.72	1.93e-17	4.84e-18
47.65	2.53e-17	5.95e-18
50.38	3.16e-17	2.2e-18
52.07	3.832e-17	8.18e-18
55.20	3.68e-17	3.72e-18
55.30	3.57e-17	4.09e-18
61.70	3.61e-17	5.58e-18
63.08	3.50e-17	1.9e-18
63.40	3.61e-17	1.9e-18
69.41	4.02e-17	1.9e-18
70.09	3.65e-17	2.6e-18
70.42	4.018e-17	3.72e-18
73.51	3.20e-17	1.34e-17
75.50	1.79e-17	1.9e-18
86.63	1.34e-17	2.2e-18