Correlated fission data measurements with DANCE and NEUANCE
Abstract
To enhance the capabilities of the DANCE array, a new detector array NEUANCE was developed to enable simultaneous measurements of prompt fission neutrons and γ rays. NEUANCE was designed and constructed using 21 stilbene organic scintillator crystals. It was installed in the central cavity of the DANCE array. Signals from the 160 BaF2 detectors of DANCE and the 21 detectors of NEUANCE were merged into a newly designed high-density high-throughput data acquisition system. The excellent pulse shape discrimination properties of stilbene enabled detection of neutrons with energy thresholds as low as 30–40 keVee. A fission reaction tagging method was developed using a NEUANCE γ-ray or neutron signal. The probability of detecting a neutron from the spontaneous fission of 252Cf using NEUANCE is 47%. New correlated data for prompt fission neutrons and prompt fission rays were obtained for 252Cf using this high detection efficiency experimental setup. In conclusion, average properties of prompt fission neutron emission as a function of prompt fission γ-ray quantities were also obtained, suggesting that neutron and γ-ray emission in fission are correlated.
- Authors:
-
[3];
[3];
[3];
[3];
[3];
[3];
[3];
[3];
[3];
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); Univ. of Massachusetts, Lowell, MA (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States); NASA Glenn Research Center, Brook Park, OH (United States)
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Laboratory Directed Research and Development (LDRD) Program
- OSTI Identifier:
- 1417171
- Alternate Identifier(s):
- OSTI ID: 1549036
- Report Number(s):
- LA-UR-17-28463
Journal ID: ISSN 0168-9002; TRN: US1801001
- Grant/Contract Number:
- AC52-06NA25396; LANL20135009
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment
- Additional Journal Information:
- Journal Volume: 882; Journal Issue: C; Journal ID: ISSN 0168-9002
- Publisher:
- Elsevier
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; Stilbene detectors; Neutron-induced fission; Prompt fission neutrons and gamma; rays
Citation Formats
Jandel, Marian, Baramsai, Baramsai, Bredeweg, Todd Allen, Couture, Aaron Joseph, Favalli, Andrea, Hayes, Anna Catherine, Ianakiev, Kiril Dimitrov, Iliev, Metodi L., Kawano, Toshihiko, Mosby, Shea Morgan, Rusev, Gencho Yordanov, Stetcu, Ionel, Talou, Patrick, Ullmann, John Leonard, Vieira, David J., Walker, Carrie Lynn, and Wilhelmy, Jerry B. Correlated fission data measurements with DANCE and NEUANCE. United States: N. p., 2017.
Web. doi:10.1016/j.nima.2017.10.097.
Jandel, Marian, Baramsai, Baramsai, Bredeweg, Todd Allen, Couture, Aaron Joseph, Favalli, Andrea, Hayes, Anna Catherine, Ianakiev, Kiril Dimitrov, Iliev, Metodi L., Kawano, Toshihiko, Mosby, Shea Morgan, Rusev, Gencho Yordanov, Stetcu, Ionel, Talou, Patrick, Ullmann, John Leonard, Vieira, David J., Walker, Carrie Lynn, & Wilhelmy, Jerry B. Correlated fission data measurements with DANCE and NEUANCE. United States. https://doi.org/10.1016/j.nima.2017.10.097
Jandel, Marian, Baramsai, Baramsai, Bredeweg, Todd Allen, Couture, Aaron Joseph, Favalli, Andrea, Hayes, Anna Catherine, Ianakiev, Kiril Dimitrov, Iliev, Metodi L., Kawano, Toshihiko, Mosby, Shea Morgan, Rusev, Gencho Yordanov, Stetcu, Ionel, Talou, Patrick, Ullmann, John Leonard, Vieira, David J., Walker, Carrie Lynn, and Wilhelmy, Jerry B. Thu .
"Correlated fission data measurements with DANCE and NEUANCE". United States. https://doi.org/10.1016/j.nima.2017.10.097. https://www.osti.gov/servlets/purl/1417171.
@article{osti_1417171,
title = {Correlated fission data measurements with DANCE and NEUANCE},
author = {Jandel, Marian and Baramsai, Baramsai and Bredeweg, Todd Allen and Couture, Aaron Joseph and Favalli, Andrea and Hayes, Anna Catherine and Ianakiev, Kiril Dimitrov and Iliev, Metodi L. and Kawano, Toshihiko and Mosby, Shea Morgan and Rusev, Gencho Yordanov and Stetcu, Ionel and Talou, Patrick and Ullmann, John Leonard and Vieira, David J. and Walker, Carrie Lynn and Wilhelmy, Jerry B.},
abstractNote = {To enhance the capabilities of the DANCE array, a new detector array NEUANCE was developed to enable simultaneous measurements of prompt fission neutrons and γ rays. NEUANCE was designed and constructed using 21 stilbene organic scintillator crystals. It was installed in the central cavity of the DANCE array. Signals from the 160 BaF2 detectors of DANCE and the 21 detectors of NEUANCE were merged into a newly designed high-density high-throughput data acquisition system. The excellent pulse shape discrimination properties of stilbene enabled detection of neutrons with energy thresholds as low as 30–40 keVee. A fission reaction tagging method was developed using a NEUANCE γ-ray or neutron signal. The probability of detecting a neutron from the spontaneous fission of 252Cf using NEUANCE is 47%. New correlated data for prompt fission neutrons and prompt fission rays were obtained for 252Cf using this high detection efficiency experimental setup. In conclusion, average properties of prompt fission neutron emission as a function of prompt fission γ-ray quantities were also obtained, suggesting that neutron and γ-ray emission in fission are correlated.},
doi = {10.1016/j.nima.2017.10.097},
journal = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},
number = C,
volume = 882,
place = {United States},
year = {Thu Nov 16 00:00:00 EST 2017},
month = {Thu Nov 16 00:00:00 EST 2017}
}
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Works referencing / citing this record:
Correlated prompt fission data in transport simulations
journal, January 2018
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Correlated Prompt Fission Data in Transport Simulations
text, January 2017
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- arXiv