Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1997
We have modelled the hard X-ray background expected for a high-altitude balloon flight of the Ene... more We have modelled the hard X-ray background expected for a high-altitude balloon flight of the Energetic X-ray Telescope Experiment (EXITE2), an imaging phoswich detector/telescope for the 20-600 keV energy range. Photon and neutron-induced contributions to the background are considered. We describe the code and the results of a series of simulations with different shielding configurations. The simulated hard X-ray background for the actual flight configuration agrees reasonably well (within a factor of ∼ 2) with the results measured on the first flight of EXITE2 from Palestine, Texas. The measured background flux at 100 keV is ∼ 4 × 10 −4 counts cm −2 s −1 keV −1 .
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 1997
We have modelled the hard X-ray background expected for a high-altitude balloon flight of the Ene... more We have modelled the hard X-ray background expected for a high-altitude balloon flight of the Energetic X-ray Telescope Experiment (EXITE2), an imaging phoswich detector/telescope for the 20-600 keV energy range. Photon and neutron-induced contributions to the background are considered. We describe the code and the results of a series of simulations with different shielding configurations. The simulated hard X-ray background for the actual flight configuration agrees reasonably well (within a factor of ∼ 2) with the results measured on the first flight of EXITE2 from Palestine, Texas. The measured background flux at 100 keV is ∼ 4 × 10 −4 counts cm −2 s −1 keV −1 .
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