|- - peak - -|   | - - - fit - - - - - - |                ROI
  Energy  counts   Energy    FWHM,error(eV)      E/dE    counts      acf     acf_err
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
 0.868798    10   17.9696  * ****************      0.1     244    0.024859  0.003376  
 0.933731    15   0.861040 * 366.249 72.159        2.4     715    0.034437  0.002896  
 0.985277    57   1.01452  * 322.753 37.859        3.1    1690    0.023399  0.001174  
 1.03636     59   1.10041  * 491.558 NaN           2.2    2386    0.021080  0.000876  
 1.10025     74   1.15007  * 88.774  41.083       13.0    3057    0.020973  0.000768  
 1.17253     85   0.00570292 * 4122.534116.989       0.0    3811    0.020913  0.000685  
 1.24871    119   1.24913    18.625  22.186       67.1    4706    0.020935  0.000619  
 1.37971    170   1.54266  * 584.678 1645.810      2.6    6769    0.020952  0.000515  
 1.54143    209   1.58358  * 1506.0482010.474      1.1    8893    0.020533  0.000437  
 1.67023    142   1.59977  * 109.545 5.475        14.6    6838    0.022897  0.000575  
 1.94297    120   1.87178  * 1591.169781.557       1.2    4412    0.020886  0.000635  
 2.18989     81   2.30372  * 1650.525NaN           1.4    3274    0.021837  0.000789  
 2.64130     75   2.62709  * 118.663 122.766      22.1    3161    0.020888  0.000752  
 3.04344     94   3.59931  * 3126.2481484.348      1.2    3911    0.020948  0.000678  
 3.75175    116   3.80892  * 189.932 76.742       20.1    4744    0.020628  0.000602  
 4.88976    108   4.56424  * 2012.049517.036       2.3    4451    0.020902  0.000633  
 6.55819     59   5.06455  * 3257.172328.346       1.6    2575    0.027142  0.001131  
 9.76045     18   -56.7493 * ********1960.176     -0.6     729    0.041880  0.003511