|- - peak - -|   | - - - fit - - - - - - |                ROI
  Energy  counts   Energy    FWHM,error(eV)      E/dE    counts      acf     acf_err
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 0.726422    23   0.726493   0.441   0.058      1646.7     227    0.048691  0.007383  
 0.738657    15   0.738476   0.733   0.107      1008.0     102    0.084583  0.019168  
 0.773992    10   0.773938   1.162   0.284       665.8      81    0.055327  0.014295  
 0.811558    11   0.811750   0.770   0.147      1054.9     122    0.044074  0.009253  
 0.825358    29   0.825086   1.127   0.089       732.2     269    0.061069  0.008482  
 0.871543    12   0.872009   1.361   0.335       640.8     133    0.039629  0.008056  
 0.916267    12   0.916320   1.456   0.360       629.3     146    0.036780  0.006934  
 0.996236    10   0.996347   0.771   0.205      1292.2      71    0.062091  0.018384  
 1.00992     10   1.00951    3.757   1.069       268.7      99    0.048056  0.011036  
 1.02085     25   1.02111    1.518   0.148       672.5     206    0.060090  0.009776  
 1.32986     11   1.32958    2.817   0.529       472.0     110    0.051405  0.011353  
 1.35034     23   1.35033    1.710   0.204       789.6     171    0.062207  0.011569  
 1.47026     14   1.47047    3.036   0.614       484.4     106    0.057316  0.013556  
 1.83709     14   1.83670    3.832   0.852       479.4     113    0.050356  0.011579  
 1.86102     12   1.86129    5.415   1.015       343.7     142    0.043642  0.008502