Photon and Neutron Production as In Situ Diagnostics of Proton-Boron Fusion
Photon and Neutron Production as In Situ Diagnostics of Proton-Boron Fusion
复制标题
光子和中子产生作为质子-硼聚变的原位诊断
DOI:
10.1155/2023/6924841
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发表时间:
2023
影响因子:
0.9
通讯作者:
Mehlhorn, T. A.
中科院分区:
文献类型:
--
作者:
Hegelich, B. M.;Labun, L.;Labun, O. Z.;Mehlhorn, T. A.
Short-pulse, ultrahigh-intensity lasers have opened new regimes for studying fusion plasmas and creating novel ultrashort ion beams and neutron sources. Diagnosing the plasma in these experiments is important for optimizing the fusion yield but difficult due to the picosecond time scales, 10 s of micron-cubed volumes, and high densities. We propose to use the yields of photons and neutrons produced by parallel reactions involving the same reactants to diagnose the plasma conditions and predict the yields of specific reactions of interest. In this work, we focus on verifying the yield of the high-interest aneutronic proton-boron fusion reaction 11Bp,2α4He, which is difficult to measure directly due to the short stopping range of the produced αs in most materials. We identify promising photon-producing reactions for this purpose and compute the ratios of the photon yield to the α yield as a function of plasma parameters. In beam-fusion experiments, the 11C yield is an easily-measurable observable to verify the α yield. In light of our results, improving and extending measurements of the cross-sections for these parallel reactions are important steps to gain greater control over these laser-driven fusion plasmas.
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S. Holm
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10.1007/bf03090400
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2016
期刊:
Zorg en Financiering
影响因子:
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Guohua Li;Hamid Bidmus;Bill Ma;Mary Goodreau;Susan Bachman;Matt Lubomirsky;Roman Zamotorin;Rainer Kurz;Ludek Reinstein
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Guohua Li;Hamid Bidmus;Bill Ma;Mary Goodreau;Susan Bachman;Matt Lubomirsky;Roman Zamotorin;Rainer Kurz;Ludek Reinstein
DOI:
--
发表时间:
2022
期刊:
Laser and particle beams (Print)
影响因子:
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作者:
T. Mehlhorn;L. Labun;B. Hegelich;D. Margarone;M. Gu;D. Batani;E. Campbell;S. Hu
通讯作者:
S. Hu