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Plasma Enhancement of Proton-Boron Fusion via High-Current Beam-Target Interaction Investigated over the 50–240keV Range
ID：12 View Protection：ATTENDEE Updated Time：2026-04-23 15:54:22 Hits：40 Poster Presentation

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Abstract
Proton-boron (p-¹¹B) fusion offers a promising aneutronic energy source but is challenged by its relatively low cross-section. We performed an experimental study covering the 50–240keV proton energy range. Beams were incident on three target types (boron, hydrogen-boron, and carbon-hydrogen-boron) to measure alpha particles and characteristic gamma spectral lines. Our data show that hydrogen-boron targets yield higher alpha production than pure boron targets at identical energies, and the α₀/α₁ channel ratio increases rapidly around 170keV. Crucially, when a high-current beam was applied to the carbon-hydrogen-boron target, we observed a significant deviation from conventional beam-target scaling: the normalized alpha yield increased by approximately a factor of two compared to low-current runs. Spectroscopic diagnostics confirmed that the intense beam had transformed the target surface into a localized plasma. This enhancement is attributed to beam-induced plasma formation, which fundamentally alters the interaction regime and boosts reaction probability. These results demonstrate that plasma-mediated effects can substantially increase fusion yields, offering a novel pathway to optimize aneutronic fusion.
 
Keywords
proton-boron fusion,plamsa,H-beam
Speaker
迪 罗
理论模拟工程师 新奥科技发展有限公司

Submission Author
迪 罗 新奥科技发展有限公司
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Important Date

  • May 12

    2026

    Conference Date

  • Apr 15 2026

    Draft paper submission deadline

  • May 12 2026

    Registration deadline

Sponsored By
National Key Laboratory of Plasma Physics, Laser Fusion Research Center, China Academy of Engineering Physics
Xiamen University
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