Journal ArticleDOI
MAXED, a computer code for maximum entropy deconvolution of multisphere neutron spectrometer data
Marcel Reginatto,P. Goldhagen +1 more
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The problem of analyzing data from a multisphere neutron spectrometer to infer the energy spectrum of the incident neutrons is discussed and the code MAXED, a computer program developed to apply the maximum entropy principle to this problem is described.Abstract:
Reliable neutron dosimetry requires knowledge of the neutron spectrum. We discuss the problem of analyzing data from a multisphere neutron spectrometer to infer the energy spectrum of the incident neutrons and describe the code MAXED, a computer program developed to apply the maximum entropy principle to this problem. The code and documentation are available from the authors upon request.read more
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Journal ArticleDOI
Measurement of the flux and energy spectrum of cosmic-ray induced neutrons on the ground
TL;DR: In this paper, ground-based measurements of the cosmic-ray induced neutron flux and its energy distribution have been made at several locations across the United States using an extended energy Bonner sphere spectrometer.
Journal ArticleDOI
Spectrum unfolding, sensitivity analysis and propagation of uncertainties with the maximum entropy deconvolution code MAXED
TL;DR: MAXED as discussed by the authors applies the maximum entropy principle to the unfolding of neutron spectrometric measurements, and the solution spectrum is a non-negative function that can be written in closed form.
Journal ArticleDOI
Measurement of the energy spectrum of cosmic-ray induced neutrons aboard an ER-2 high-altitude airplane.
P. Goldhagen,Marcel Reginatto,T. Kniss,John W. Wilson,R. C. Singleterry,I. W. Jones,W. Van Steveninck +6 more
TL;DR: The atmospheric ionizing radiation (AIR) project made simultaneous radiation measurements with 14 instruments on five flights of a NASA ER-2 high-altitude aircraft, measuring the cosmic-ray neutron spectrum, total neutron fluence rate, and neutron effective dose and dose equivalent rates and their dependence on altitude and geomagnetic cutoff.
Journal ArticleDOI
The physics of solid-state neutron detector materials and geometries
TL;DR: This review focuses on advances and challenges in charged-particle-based device geometries, materials and associated mechanisms for direct and indirect transduction of thermal to fast neutrons within the context of application.
Journal ArticleDOI
The energy spectrum of cosmic-ray induced neutrons measured on an airplane over a wide range of altitude and latitude.
TL;DR: The results for the measured cosmic-ray neutron spectrum, total neutron fluence rate, and neutron dose equivalent and effective dose rates, and their dependence on altitude and geomagnetic cut-off agree well with results from recent calculations of GCR-induced neutron spectra.