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Table 1
Comparison of properties of the GBM NaIs with the BATSE SDs.
| BATSE SD1 | GBM NaI2 | |
|
|
||
| Material | NaI | NaI |
| Number | 8 | 12 |
| Area | 126 cm2 | 126 cm2 |
| Thickness | 7.62 cm | 1.27 cm |
| Energy range | 30 keV–10 MeV* | 8 keV–1 MeV |
| Spectral binning | ||
| 8–20 keV | 1 bin | ~12 |
Notes.
(*)
This energy range varied depending on the gain of the detectors where the lower end of the range could be as low as 5 keV for a high gain setting (Preece et al. 1996).
References. (1) Preece et al. (1996), (2) Meegan et al. (2009).
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