pressure	cross section	standard deviation
--------------------------------------------------
 26		4.11e-17	2.80e-18
 27		3.94e-17	2.20e-18
 33		4.15e-17	1.90e-18
 37		4.07e-17	1.80e-18
 40		4.30e-17	2.00e-18
 42		3.93e-17	1.80e-18
 44		3.76e-17	1.60e-18
 48		4.11e-17	1.60e-18
 56		4.00e-17	1.50e-18
100		4.32e-17	2.50e-18
110		4.32e-17	2.00e-18
112		4.33e-17	2.70e-18
151		4.19e-17	1.90e-18
199		4.24e-17	2.00e-18
200		4.04e-17	1.80e-18
330		3.99e-17	2.50e-18
362		4.08e-17	2.30e-18
366		4.08e-17	2.40e-18
384		3.83e-17	1.40e-18
400		3.98e-17	1.80e-18