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Accelerator measurement of NaI response to medium energy neutrons and application to a Satellite-Borne Spectrometer |
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| Authors: | P P Dunphy E L Chupp M Popecki D J Forrest D Lopiano T Shima H Spinka G Glass G Burleson M Beddo |
| Institution: | (1) Space Science Center and Physics Department, University of New Hampshire, 03824 Durham, NH, USA;(2) High Energy Physics Division, Argonne National Laboratory, 60439 Argonne, IL, USA;(3) Present address: Physics Department, Texas A&M University, 77843 College Station, TX, USA;(4) Texas A&M University, 77843 College Station, TX, USA;(5) New Mexico State University, 88003 Las Cruces, NM, USA;(6) Present address: High Energy Physics Division, Argonne National Laboratory, 60439 Argonne, IL, USA |
| Abstract: | We report on the response of a prototype detector to medium energy neutrons. The neutrons were produced by n-p scattering of a neutron beam on a hydrogen target. The measurements provide unique data on the efficiency and response of large NaI scintillators to neutrons in the energy range 36–709 MeV. We apply the results to the high-energy mode of the Gamma-Ray Spectrometer (GRS) on the Solar Maximum Mission satellite by estimating its efficiency for neutron detection. This estimate is compared to earlier Monte Carlo calculations of the GRS efficiency. |
| Keywords: | neutrons scintillators radiation detectors solar flares |
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