Performance of neutron spectrum unfolding using deuterated liquid scintillator

M. Febbraro; B. Becker; R. J. deBoer; K. Brandenburg; C. Brune; K. A. Chipps; T. Danley; A. Di Fulvio; Y. Jones-Alberty; K. T. Macon; Z. Meisel; T. N. Massey; R. J. Newby; S. D. Pain; S. Paneru; S. Shahina; M. S. Smith; D. Soltesz; S. K. Subedi; I. Sultana; R. Toomey

doi:10.1016/j.nima.2020.164824

Performance of neutron spectrum unfolding using deuterated liquid scintillator

M. Febbraro, B. Becker, R. J. deBoer, K. Brandenburg, C. Brune, K. A. Chipps, T. Danley, A. Di Fulvio, Y. Jones-Alberty, K. T. Macon, Z. Meisel, T. N. Massey, R. J. Newby, S. D. Pain, S. Paneru, S. Shahina, M. S. Smith, D. Soltesz, S. K. Subedi, I. SultanaR. Toomey

Nuclear Structure and Nuclear Astrophysi

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15 Scopus citations

Abstract

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. The effects of the MLEM stopping criteria and spectrum statistics are also investigated.

Original language	English
Article number	164824
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	989
DOIs	https://doi.org/10.1016/j.nima.2020.164824
State	Published - Feb 11 2021

Funding

We gratefully thank the staff of the Ohio University Edwards Accelerator Laboratory for their assistance with experimental setup and operation of the accelerator. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Award Number DE-AC05-00OR22725. RJD, KTM, and SS were supported by the National Science Foundation through Grant No. Phys-0758100 and the Joint Institute for Nuclear Astrophysics through Grant No. Phys-0822648 and PHY-1430152 (JINA Center for the Evolution of the Elements. OU support was provided by U.S. Department of Energy under Grants No. DE-FG02-88ER40387, No. DE-NA0003909, and DE-SC0019042.) We gratefully thank the staff of the Ohio University Edwards Accelerator Laboratory for their assistance with experimental setup and operation of the accelerator. This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics, under Award Number DE-AC05-00OR22725 . RJD, KTM, and SS were supported by the National Science Foundation through Grant No. Phys-0758100 and the Joint Institute for Nuclear Astrophysics through Grant No. Phys-0822648 and PHY-1430152 (JINA Center for the Evolution of the Elements. OU support was provided by U.S. Department of Energy under Grants No. DE-FG02-88ER40387 , No. DE-NA0003909 , and DE-SC0019042 .)

Keywords

Deuterated scintillators
Neutron spectroscopy
Neutron time-of-flight
Spectrum unfolding

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10.1016/j.nima.2020.164824

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Febbraro, M., Becker, B., deBoer, R. J., Brandenburg, K., Brune, C., Chipps, K. A., Danley, T., Fulvio, A. D., 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., ... Toomey, R. (2021). Performance of neutron spectrum unfolding using deuterated liquid scintillator. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 989, Article 164824. https://doi.org/10.1016/j.nima.2020.164824

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title = "Performance of neutron spectrum unfolding using deuterated liquid scintillator",

abstract = "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. The effects of the MLEM stopping criteria and spectrum statistics are also investigated.",

keywords = "Deuterated scintillators, Neutron spectroscopy, Neutron time-of-flight, Spectrum unfolding",

author = "M. Febbraro and B. Becker and deBoer, {R. J.} and K. Brandenburg and C. Brune and Chipps, {K. A.} and T. Danley and Fulvio, {A. Di} and Y. Jones-Alberty and Macon, {K. T.} and Z. Meisel and Massey, {T. N.} and Newby, {R. J.} and Pain, {S. D.} and S. Paneru and S. Shahina and Smith, {M. S.} and D. Soltesz and Subedi, {S. K.} and I. Sultana and R. Toomey",

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year = "2021",

month = feb,

day = "11",

doi = "10.1016/j.nima.2020.164824",

language = "English",

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Febbraro, M, Becker, B, deBoer, RJ, Brandenburg, K, Brune, C, Chipps, KA, Danley, T, Fulvio, AD, Jones-Alberty, Y, Macon, KT, Meisel, Z, Massey, TN, Newby, RJ, Pain, SD, Paneru, S, Shahina, S, Smith, MS, Soltesz, D, Subedi, SK, Sultana, I & Toomey, R 2021, 'Performance of neutron spectrum unfolding using deuterated liquid scintillator', Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 989, 164824. https://doi.org/10.1016/j.nima.2020.164824

TY - JOUR

T1 - Performance of neutron spectrum unfolding using deuterated liquid scintillator

AU - Febbraro, M.

AU - Becker, B.

AU - deBoer, R. J.

AU - Brandenburg, K.

AU - Brune, C.

AU - Chipps, K. A.

AU - Danley, T.

AU - Fulvio, A. Di

AU - Jones-Alberty, Y.

AU - Macon, K. T.

AU - Meisel, Z.

AU - Massey, T. N.

AU - Newby, R. J.

AU - Pain, S. D.

AU - Paneru, S.

AU - Shahina, S.

AU - Smith, M. S.

AU - Soltesz, D.

AU - Subedi, S. K.

AU - Sultana, I.

AU - Toomey, R.

PY - 2021/2/11

Y1 - 2021/2/11

N2 - 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. The effects of the MLEM stopping criteria and spectrum statistics are also investigated.

AB - 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. The effects of the MLEM stopping criteria and spectrum statistics are also investigated.

KW - Deuterated scintillators

KW - Neutron spectroscopy

KW - Neutron time-of-flight

KW - Spectrum unfolding

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JO - Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

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M1 - 164824

ER -

Performance of neutron spectrum unfolding using deuterated liquid scintillator

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