Solid Cherenkov detector for studying nucleosynthesis in inertial confinement fusion
Abstract
Measuring gamma rays emitted from nuclear reactions gives insight into their nuclear structure. Notably, there are several nuclear reactions that produce gamma rays at ~1 MeV–3 MeV energies such as T(4He, γ)7Li, 4He(3He, γ)7Be, and 12C(p, γ)13N, which may solve questions lingering about big-bang nucleosynthesis and stellar nucleosynthesis. To observe 1 MeV–3 MeV gamma rays in an inertial confinement fusion system, a new style of the Cherenkov detector was developed using aerogel and fused silica as a Cherenkov medium. Utilizing the OMEGA laser facility, both aerogel and fused silica media were compared with the existing gas-medium Cherenkov detector to validate the concept. Furthermore, gamma ray measurements from high yield inertial confinement fusion implosions (deuterium–tritium and deuterium–3He) demonstrated that aerogel and fused silica were viable Cherenkov media, paving the way for a potential optimized detector to make these cross section measurements on OMEGA or the National Ignition Facility.
- Authors:
-
- Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Atomic Weapons Research Establishment (AWRE), Aldermaston (United Kingdom)
- Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
- Publication Date:
- Research Org.:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA)
- OSTI Identifier:
- 1814788
- Alternate Identifier(s):
- OSTI ID: 1638108
- Report Number(s):
- LA-UR-21-22565
Journal ID: ISSN 0034-6748; TRN: US2213886
- Grant/Contract Number:
- 89233218CNA000001; AC52-06NA5239; AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Review of Scientific Instruments
- Additional Journal Information:
- Journal Volume: 91; Journal Issue: 7; Journal ID: ISSN 0034-6748
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 47 OTHER INSTRUMENTATION; tritium; Cherenkov detectors; plasma confinement; gamma rays; nucleosynthesis; deuterium; nuclear reactions and processes; lasers; aerogel
Citation Formats
Springstead, M. P., Zylstra, A. B., Kim, Y., Meaney, K. D., Geppert-Kleinrath, H., Leatherland, A., Wilson, L., Herrmann, H. W., Young, C. S., Polk, P., and Hamilton, C. Solid Cherenkov detector for studying nucleosynthesis in inertial confinement fusion. United States: N. p., 2020.
Web. doi:10.1063/5.0002874.
Springstead, M. P., Zylstra, A. B., Kim, Y., Meaney, K. D., Geppert-Kleinrath, H., Leatherland, A., Wilson, L., Herrmann, H. W., Young, C. S., Polk, P., & Hamilton, C. Solid Cherenkov detector for studying nucleosynthesis in inertial confinement fusion. United States. https://doi.org/10.1063/5.0002874
Springstead, M. P., Zylstra, A. B., Kim, Y., Meaney, K. D., Geppert-Kleinrath, H., Leatherland, A., Wilson, L., Herrmann, H. W., Young, C. S., Polk, P., and Hamilton, C. Fri .
"Solid Cherenkov detector for studying nucleosynthesis in inertial confinement fusion". United States. https://doi.org/10.1063/5.0002874. https://www.osti.gov/servlets/purl/1814788.
@article{osti_1814788,
title = {Solid Cherenkov detector for studying nucleosynthesis in inertial confinement fusion},
author = {Springstead, M. P. and Zylstra, A. B. and Kim, Y. and Meaney, K. D. and Geppert-Kleinrath, H. and Leatherland, A. and Wilson, L. and Herrmann, H. W. and Young, C. S. and Polk, P. and Hamilton, C.},
abstractNote = {Measuring gamma rays emitted from nuclear reactions gives insight into their nuclear structure. Notably, there are several nuclear reactions that produce gamma rays at ~1 MeV–3 MeV energies such as T(4He, γ)7Li, 4He(3He, γ)7Be, and 12C(p, γ)13N, which may solve questions lingering about big-bang nucleosynthesis and stellar nucleosynthesis. To observe 1 MeV–3 MeV gamma rays in an inertial confinement fusion system, a new style of the Cherenkov detector was developed using aerogel and fused silica as a Cherenkov medium. Utilizing the OMEGA laser facility, both aerogel and fused silica media were compared with the existing gas-medium Cherenkov detector to validate the concept. Furthermore, gamma ray measurements from high yield inertial confinement fusion implosions (deuterium–tritium and deuterium–3He) demonstrated that aerogel and fused silica were viable Cherenkov media, paving the way for a potential optimized detector to make these cross section measurements on OMEGA or the National Ignition Facility.},
doi = {10.1063/5.0002874},
journal = {Review of Scientific Instruments},
number = 7,
volume = 91,
place = {United States},
year = {Fri Jul 10 00:00:00 EDT 2020},
month = {Fri Jul 10 00:00:00 EDT 2020}
}
Web of Science
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