CH Gd Spectra

1.32uCi Cf252 Spontaneous Fission Source

Relevant Photon Energy Spectrum

Gaussian Fits over Photon Peaks

Constant: 6.25055*10^-2 [math]\pm[/math] 2.20238*10^-3

Mean: 897.419 [math]\pm[/math] 4.16236*10^-2

Sigma: 1.02409 [math]\pm[/math] 3.78539*10^-2

Background Offset: 0.006 Fixed (not fit)

Area under gaussian: 0.160452 [math]\pm[/math] 0.00819376

rate = area/bin width

bin width = 0.45 kev

10/21/21

For 1186 KeV peak

 EXT PARAMETER                                   STEP         FIRST   
 NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 

  1  Constant    -7.21136e+05   1.41421e+00  -0.00000e+00   0.00000e+00
  2  Mean         1.18305e+03   1.41421e+00  -0.00000e+00   0.00000e+00
  3  Sigma        1.95724e+00   7.86307e+01  -0.00000e+00   0.00000e+00
  4  c0           2.08075e-02   6.89297e-04  -0.00000e+00   4.06029e-09

For 897 KeV

 EXT PARAMETER                                   STEP         FIRST   
 NO.   NAME      VALUE            ERROR          SIZE      DERIVATIVE 

  1  Constant     4.90130e-02   3.21995e-03   4.55502e-06  -9.60025e-03
  2  Mean         8.95445e+02   7.88930e-02   4.26981e-04   1.87753e-04
  3  Sigma        1.18564e+00   1.02573e-01   1.64001e-05  -2.44869e-03
  4  c0           1.57863e-02   2.04272e-03   2.11911e-06   5.39850e-03

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PAS Feasibility Study Runs