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Rev Sci Instrum. 2012 Oct;83(10):10D915. doi: 10.1063/1.4742140.

A novel method for modeling the neutron time of flight detector response in current mode to inertial confinement fusion experiments (invited).

Author information

1
Department of Chemical & Nuclear Engineering, University of New Mexico, Albuquerque, 87131, USA. anelso@sandia.gov

Abstract

A novel method for modeling the neutron time of flight (nTOF) detector response in current mode for inertial confinement fusion experiments has been applied to the on-axis nTOF detectors located in the basement of the Z-Facility. It will be shown that this method can identify sources of neutron scattering, and is useful for predicting detector responses in future experimental configurations, and for identifying potential sources of neutron scattering when experimental set-ups change. This method can also provide insight on how much broadening neutron scattering contributes to the primary signals, which is then subtracted from them. Detector time responses are deconvolved from the signals, allowing a transformation from dN/dt to dN/dE, extracting neutron spectra at each detector location; these spectra are proportional to the absolute yield.

PMID:
23126918
DOI:
10.1063/1.4742140
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