Performance of neutron spectrum unfolding using deuterated liquid scintillator

The performance of the maximum likelihood expectation maximization method for unfolding neutron energy spectra using deuterated liquid scintillator is evaluated for future utilization with rare isotope beams. High-resolution neutron energy spectra as well as the detector response matrix were measure...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2020-12, Vol.989
Main Authors: Febbraro, M., Becker, B., deBoer, R. J., Brandenburg, K., Brune, C., Chipps, K. A., Danley, T., Fulvio, A. Di, Jones-Alberty, Y., Macon, K. T., Meisel, Z., Massey, T. N., Newby, R. J., Pain, S. D., Paneru, S., Shahina, S., Smith, M. S., Soltesz, D., Subedi, S. K., Sultana, I., Toomey, R.
Format: Article
Language:English
Subjects:
Deuterated scintillators
Neutron spectroscopy
Neutron time-of-flight
OTHER INSTRUMENTATION
Spectrum unfolding
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Summary:The performance of the maximum likelihood expectation maximization method for unfolding neutron energy spectra using deuterated liquid scintillator is evaluated for future utilization with rare isotope beams. High-resolution neutron energy spectra as well as the detector response matrix were measured at the Edwards Accelerator Laboratory at Ohio University. Maximum-likelihood expectation maximization (MLEM) unfolded neutron spectra are compared with spectra from neutron time-of-flight. In conclusion, the effects of the MLEM stopping criteria and spectrum statistics are also investigated.
ISSN:0168-9002
1872-9576