Table 2.
Gaussian fit parameters and t-test results for the four source region and background region pairs.
| Region | A | μ [cts s−1] | σ [cts s−1] | t | ν | p |
|---|---|---|---|---|---|---|
| 1 | 0.58 ± 0.04 | ( − 3.2 ± 0.8)⋅10−4 | (10.5 ± 0.8)⋅10−4 | −3.41 | 874 | 3.40 ⋅ 10−4 |
| 2 | 0.34 ± 0.01 | ( − 3.5 ± 0.3)⋅10−4 | (10.7 ± 0.3)⋅10−4 | −5.06 | 874 | 2.61 ⋅ 10−7 |
| 3 | 0.21 ± 0.02 | ( − 2.0 ± 0.7)⋅10−4 | (9.0 ± 0.7)⋅10−4 | −3.95 | 874 | 4.19 ⋅ 10−5 |
| 4 | 0.18 ± 0.01 | ( − 1.6 ± 0.3)⋅10−4 | (7.4 ± 0.3)⋅10−4 | −2.34 | 874 | 9.65 ⋅ 10−3 |
Notes. Columns to the left of the vertical line give the fit parameters of the Gaussian fits to the residual histograms of the four source and background region pairs. The parameters are the normalization of the distribution A, its mean value μ, and its standard deviation σ. Columns to the right of the vertical line give the t-statistics t, the numbers of degrees of freedom ν, and the p-values p for the t-tests that tested whether the mean value of the underlying difference distributions is at least 0.
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