energy  nevent dE/dX    sigma
0.05   1000    20.0027  5.85565
0.06   1000    17.5719  5.30245
0.07   1000    16.0452  3.86082
0.08   1000    14.9381  1.61421
0.09   1000    14.4769  1.76877
0.10   1000    14.0351  1.58583
0.15   1000    13.1173  2.2357
0.20   1000    12.7508  1.96971
0.30   1000    12.7553  1.88838
0.40   1000    13.0238  2.5115
0.50   1000    13.1298  2.38839
0.60   1000    13.391  2.99081
0.70   1000    13.5358  3.02226
0.80   1000    13.6687  3.03166
0.90   1000    13.7877  3.24663
1.00   1000    14.135  3.64857
1.50   1000    14.317  3.64775
2.0   1000    14.5859  3.74065
3.0   1000    14.5836  3.17826
4.0   1000    15.2898  4.95557
5.0   1000    15.2278  4.10922
7.0   1000    15.4794  5.14152
10.0   1000    15.4805  4.46727
20.0   1000    15.8021  5.58191
50.0   1000    16.1827  5.67081
100.0   1000    16.135  6.15664