|- - peak - -|   | - - - fit - - - - - - |                ROI
  Energy  counts   Energy    FWHM,error(eV)      E/dE    counts      acf     acf_err
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 1.02118     35   1.02120    1.465   0.130       697.1     211    0.086543  0.014415  
 1.16626     10   1.16675    0.971   0.306      1201.2      94    0.045948  0.011317  
 1.21030     12   1.21031    1.660   0.311       728.9     104    0.053624  0.012933  
 1.27660     10   1.27608    2.447   1.039       521.4     132    0.030647  0.006134  
 1.47163     21   1.47138    1.642   0.306       895.9     221    0.035851  0.006025  
 1.51857     10   1.51869    0.572   0.357      2655.1     177    0.025312  0.004153  
 1.57378     10   1.57877  * 8.495   4.859       185.8     188    0.025294  0.004020  
 1.76087     10   1.75776  * 6.524   11.722      269.4     215    0.025549  0.003739  
 1.79019     10   1.78323  * 26.130  54.785       68.2     198    0.025202  0.003848  
 1.83554     12   1.83684    2.906   1.183       632.0     195    0.026535  0.004247  
 1.86325     19   1.86306    1.407   0.309      1324.2     182    0.032424  0.006211  
 2.00324     18   2.00412    3.216   0.554       623.3     208    0.036196  0.006168