Measurement of the 239Pu(n,f)/235U(n,f) Cross-Section Ratio with the NIFFTE fission Time Projection Chamber

The NIFFTE Collaboration

doi:10.1016/j.nds.2021.11.001

Measurement of the ²³⁹Pu(n,f)/²³⁵U(n,f) Cross-Section Ratio with the NIFFTE fission Time Projection Chamber

The NIFFTE Collaboration

Advanced Radiation Detection, Imaging, D

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

The ²³⁹Pu(n,f)/²³⁵U(n,f) cross-section ratio has been measured with the fission Time Projection Chamber (fissionTPC) from 100 keV to 100 MeV. The fissionTPC provides three-dimensional reconstruction of fission-fragment ionization profiles, allowing for a precise quantification of measurement uncertainties. The measurement was performed at the Los Alamos Neutron Science Center which provides a pulsed white source of neutrons. The data are recommended to be used as a cross-section ratio shape. A discussion of the status of the absolute normalization and comparisons to ENDF evaluations and previous measurements is included.

Original language	English
Pages (from-to)	1-40
Number of pages	40
Journal	Nuclear Data Sheets
Volume	178
DOIs	https://doi.org/10.1016/j.nds.2021.11.001
State	Published - Dec 2021

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10.1016/j.nds.2021.11.001

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@article{28d4b5406dc149b4a20019af450bc1e4,

title = "Measurement of the 239Pu(n,f)/235U(n,f) Cross-Section Ratio with the NIFFTE fission Time Projection Chamber",

abstract = "The 239Pu(n,f)/235U(n,f) cross-section ratio has been measured with the fission Time Projection Chamber (fissionTPC) from 100 keV to 100 MeV. The fissionTPC provides three-dimensional reconstruction of fission-fragment ionization profiles, allowing for a precise quantification of measurement uncertainties. The measurement was performed at the Los Alamos Neutron Science Center which provides a pulsed white source of neutrons. The data are recommended to be used as a cross-section ratio shape. A discussion of the status of the absolute normalization and comparisons to ENDF evaluations and previous measurements is included.",

author = "\{The NIFFTE Collaboration\} and L. Snyder and M. Anastasiou and Bowden, \{N. S.\} and J. Bundgaard and Casperson, \{R. J.\} and Cebra, \{D. A.\} and T. Classen and Dongwi, \{D. H.\} and N. Fotiades and J. Gearhart and V. Geppert-Kleinrath and U. Greife and C. Hagmann and M. Heffner and D. Hensle and D. Higgins and Isenhower, \{L. D.\} and K. Kazkaz and A. Kemnitz and J. King and Klay, \{J. L.\} and J. Latta and E. Leal-Cidoncha and W. Loveland and Magee, \{J. A.\} and B. Manning and Mendenhall, \{M. P.\} and M. Monterial and S. Mosby and D. Neudecker and C. Prokop and S. Sangiorgio and Schmitt, \{K. T.\} and B. Seilhan and F. Tovesson and Towell, \{R. S.\} and N. Walsh and Watson, \{T. S.\} and L. Yao and W. Younes",

note = "Publisher Copyright: {\textcopyright} 2021",

year = "2021",

month = dec,

doi = "10.1016/j.nds.2021.11.001",

language = "English",

volume = "178",

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journal = "Nuclear Data Sheets",

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AU - The NIFFTE Collaboration

AU - Snyder, L.

AU - Anastasiou, M.

AU - Bowden, N. S.

AU - Bundgaard, J.

AU - Casperson, R. J.

AU - Cebra, D. A.

AU - Classen, T.

AU - Dongwi, D. H.

AU - Fotiades, N.

AU - Gearhart, J.

AU - Geppert-Kleinrath, V.

AU - Greife, U.

AU - Hagmann, C.

AU - Heffner, M.

AU - Hensle, D.

AU - Higgins, D.

AU - Isenhower, L. D.

AU - Kazkaz, K.

AU - Kemnitz, A.

AU - King, J.

AU - Klay, J. L.

AU - Latta, J.

AU - Leal-Cidoncha, E.

AU - Loveland, W.

AU - Magee, J. A.

AU - Manning, B.

AU - Mendenhall, M. P.

AU - Monterial, M.

AU - Mosby, S.

AU - Neudecker, D.

AU - Prokop, C.

AU - Sangiorgio, S.

AU - Schmitt, K. T.

AU - Seilhan, B.

AU - Tovesson, F.

AU - Towell, R. S.

AU - Walsh, N.

AU - Watson, T. S.

AU - Yao, L.

AU - Younes, W.

PY - 2021/12

Y1 - 2021/12

N2 - The 239Pu(n,f)/235U(n,f) cross-section ratio has been measured with the fission Time Projection Chamber (fissionTPC) from 100 keV to 100 MeV. The fissionTPC provides three-dimensional reconstruction of fission-fragment ionization profiles, allowing for a precise quantification of measurement uncertainties. The measurement was performed at the Los Alamos Neutron Science Center which provides a pulsed white source of neutrons. The data are recommended to be used as a cross-section ratio shape. A discussion of the status of the absolute normalization and comparisons to ENDF evaluations and previous measurements is included.

AB - The 239Pu(n,f)/235U(n,f) cross-section ratio has been measured with the fission Time Projection Chamber (fissionTPC) from 100 keV to 100 MeV. The fissionTPC provides three-dimensional reconstruction of fission-fragment ionization profiles, allowing for a precise quantification of measurement uncertainties. The measurement was performed at the Los Alamos Neutron Science Center which provides a pulsed white source of neutrons. The data are recommended to be used as a cross-section ratio shape. A discussion of the status of the absolute normalization and comparisons to ENDF evaluations and previous measurements is included.

UR - https://www.scopus.com/pages/publications/85120861248

U2 - 10.1016/j.nds.2021.11.001

DO - 10.1016/j.nds.2021.11.001

M3 - Article

AN - SCOPUS:85120861248

SN - 0090-3752

VL - 178

SP - 1

EP - 40

JO - Nuclear Data Sheets

JF - Nuclear Data Sheets

ER -

Measurement of the ²³⁹Pu(n,f)/²³⁵U(n,f) Cross-Section Ratio with the NIFFTE fission Time Projection Chamber

Abstract

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