Simulation of nuclear isomer production in laser-induced plasma

Ma Zhiguo; Wang Yumiao; Yang Yi; Wang Youjing; Zhao Kai; Li Yixin; Fu Changbo; He Wanbing; Ma Yugang

doi:10.1063/5.0212163

Volume 9 Issue 5

Sep. 2024

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Ma Zhiguo, Wang Yumiao, Yang Yi, Wang Youjing, Zhao Kai, Li Yixin, Fu Changbo, He Wanbing, Ma Yugang. Simulation of nuclear isomer production in laser-induced plasma[J]. Matter and Radiation at Extremes, 2024, 9(5): 055201. doi: 10.1063/5.0212163

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Ma Zhiguo, Wang Yumiao, Yang Yi, Wang Youjing, Zhao Kai, Li Yixin, Fu Changbo, He Wanbing, Ma Yugang. Simulation of nuclear isomer production in laser-induced plasma[J]. Matter and Radiation at Extremes, 2024, 9(5): 055201. doi: 10.1063/5.0212163

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Simulation of nuclear isomer production in laser-induced plasma

doi: 10.1063/5.0212163

Key Laboratory of Nuclear Physics and Ion-Beam Application (MoE), Institute of Modern Physics, Fudan University, Shanghai 200433, China

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Corresponding author: a)Authors to whom correspondence should be addressed: cbfu@fudan.edu.cn and hewanbing@fudan.edu.cn
Received Date: 2024-04-03
Accepted Date: 2024-07-23

Available Online: 2024-09-01

Publish Date: 2024-09-01

Abstract

Abstract

Nuclear isomers play essential roles in various fields, including stellar nucleosynthesis, nuclear clocks, nuclear batteries, clean nuclear energy, and γ-ray lasers. Recent technological advances in high-intensity lasers have made it possible to excite or de-excite nuclear isomers using table-top laser equipment. Utilizing a particle-in-cell code, we investigate the interaction of a laser with a nanowire array and calculate the production rates of the ^73mGe (E₁ = 13.3 keV) and ^107mAg (E₁ = 93.1 keV) isomers. For 73m1Ge, production by Coulomb excitation is found to contribute a peak efficiency of 1.0 × 10¹⁹ particles s⁻¹ J⁻¹, while nuclear excitation by electron capture (NEEC) contributes a peak of 1.65 × 10¹¹ particles s⁻¹ J⁻¹. These results indicate a high isomeric production ratio, as well as demonstrating the potential for confirming the existence of NEEC, a long-expected but so far experimentally unobserved fundamental process.

The authors have no conflicts to disclose.
Conflict of Interest
Author Contributions
Zhiguo Ma: Data curation (equal); Investigation (equal); Software (equal); Writing – original draft (equal). Yumiao Wang: Methodology (equal). Yi Yang: Methodology (equal). Youjing Wang: Software (equal). Kai Zhao: Software (equal). Yixin Li: Investigation (equal); Writing – review & editing (supporting). Changbo Fu: Conceptualization (equal); Funding acquisition (equal); Investigation (equal); Methodology (equal); Project administration (equal); Resources (equal); Writing – original draft (equal); Writing – review & editing (equal). Wanbing He: Conceptualization (equal); Methodology (equal); Resources (equal). Yugang Ma: Conceptualization (equal); Funding acquisition (equal); Project administration (equal); Resources (equal).
The data that support the findings of this study are available from the corresponding authors upon reasonable request.

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References(56)

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