Investigation of the Yield of the Nuclear Reaction $${}^{{11}}$$B($${p,3\alpha}$$ ) Initiated by Powerful Picosecond Laser Radiation

Belyaev, V. S.; Матафонов, А. П.; Andreev, S. N.; Тараканов, В. П.; Крайнов, В. П.; Lisitsa, V. S.; Kedrov, A. Yu.; Zagreev, B.; Rusetskiĭ, A. S.; Борисенко, Н. Г.; Громов, А. И.; Lobanov, A.

doi:10.1134/s1063778822010070

Cited by 3 publications

(4 citation statements)

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“…To date, the presented simulations of pB fusion describe rather well the significant part of the experimental data obtained [20,21,23,35,52]. The synergy of step-by-step numerical modeling and the further development of real experiments will allow us to continue to search for optimal ways to increase the efficiency of aneutronic pB synthesis and increase the yield of α-particles, which are extremely necessary for practice.…”

Section: Discussionmentioning

confidence: 65%

“…Let us consider an example of a numerical simulation of the proton-boron reaction, initiated by high-power picosecond laser radiation with a relativistic intensity of 3 × 10 18 W/cm 2 [20]. The simulation was carried out in a two-dimensional XZ version of the code KARAT and was divided into two stages.…”

Section: Pic Simulation Of Laser-driven Proton-boron Fusionmentioning

confidence: 99%

“…This reaction is extremely in demand now in medicine [14,15] and, perhaps, in the future, it will form the basis for obtaining so-called "clean" nuclear energy [16][17][18][19]. As a modern illustration of the use of the capabilities of this code, our work presents the results of a numerical simulation within the KARAT code of key physical processes leading to the proton-boron aneutronic reaction both in laser-driven plasma [20] and under plasma oscillatory confinement [21] in a nanosecond vacuum discharge. In the case of the interaction of a super-intense laser pulse with an aluminum target, the code makes it possible to explain the formation of energetic proton beams with parameters corresponding to experimental data in a wide range of laser pulse intensities.…”

Section: Introductionmentioning

confidence: 99%

“…In the case of the interaction of a super-intense laser pulse with an aluminum target, the code makes it possible to explain the formation of energetic proton beams with parameters corresponding to experimental data in a wide range of laser pulse intensities. When proton beams are exposed to boron-containing targets, a pB reaction occurs, and modeling within the framework of the code made it possible to calculate the total yield of α-particles [20]. For the case of a vacuum discharge, a numerical simulation revealed the key role of the formation of a virtual cathode and the corresponding deep potential well in the interelectrode space.…”

Section: Introductionmentioning

confidence: 99%

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Fully Electromagnetic Code KARAT Applied to the Problem of Aneutronic Proton–Boron Fusion

Andreev,

Kurilenkov,

Oginov

2023

Mathematics

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In this paper, the full electromagnetic code KARAT is presented in detail, the scope of which is a computational experiment in applied problems of engineering electrodynamics. The basis of the physical model used is Maxwell’s equations together with boundary conditions for fields, as well as material equations linking currents with field strengths. The Particle in Cell (PiC) method for the kinetic description of plasma is implemented in the code. A unique feature of the code KARAT is the possibility of the self-consistent modeling of inelastic processes, in particular, nuclear reactions, at each time step in the process of electrodynamic calculation. The aneutronic proton–boron nuclear reaction, accompanied by the release of almost only α-particles, is extremely in demand in medicine and, perhaps, in the future, will form the basis for obtaining “clean” nuclear energy. The results of a numerical simulation within the framework of the code KARAT of the key physical processes leading to the proton–boron fusion are presented and discussed both for laser-driven plasma and for a plasma oscillatory confinement scheme.

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