Study of SVOM/ECLAIRs inhomogeneities in the detection plane below 8 keV and their mitigation for the trigger performances

Open Access

Table 5

Estimated difference in thickness of the Pt or TeO₂ material.

Energy (keV)	Peak1^(a)	Peak2^(a)	Peak difference	µ_pt (/nm)	Pt thickness difference (nm)	(/nm)	TeO₂ thickness difference (nm)
4.5	0.888 (±5.41%)	1.063 (±4.63%)	0.175 ± 0.069	0.00171	105 ± 42	0.000337	534 ± 210
4.9	0.887 (±5.19%)	1.066 (±4.52%)	0.179 ± 0.067	0.00138	133 ± 50	0.000367	501 ± 189
5.4	0.911 (±4.17%)	1.052 (±3.80%)	0.141 ± 0.055	0.00109	132 ± 52	0.000335	430 ± 168
5.9	0.939 (±4.37%)	1.049 (±3.33%)	0.110 ± 0.054	0.000871	127 ± 63	0.00025	443 ± 220
6.4	0.953 (±3.15%)	1.035 (±2.99%)	0.082 ± 0.043	0.000713	116 ± 61	0.000211	391 ± 206

Notes. These results are deduced from Eq. (8) in a model where the efficiency difference between LEP and HEP population is due to the Pt thickness differences alone or to the TeO₂ thickness differences alone. ^(a)Peak1 and Peak2 correspond to the mean values of the Gaussian fit in Fig. 2.

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