Laser Thermonuclear Fusion and High Energy Density Physics

Gus’kov, S. Yu.

doi:10.3103/s1068335623160042

Bull. Lebedev Phys. Inst.

2023

DOI: 10.3103/s1068335623160042

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Laser Thermonuclear Fusion and High Energy Density Physics

S. Yu. Gus’kov

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Cited by 3 publications

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“…In this case, when reducing the characteristic Breit-Wheeler energy within the range ω BW ∼ 10 ÷ 1 GeV, the maximum resonant cross-section can reach values of R * ±(1,1) ∼ 10 3 ÷ 10 6 r 2 e . The obtained results could be used to explain the narrow fluxes of high-energy ultrarelativistic positrons (electrons) in the vicinity of neutron stars, such as accretion-powered X-ray binaries [49,50], rotation-powered X/Gamma pulsars [51,52] and magnetic-fieldpowered magnetars [53,54], as well as to simulate physical processes in laser thermonuclear fusion [55].…”

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confidence: 99%

The Generation of High-Energy Electron–Positron Pairs during the Breit–Wheeler Resonant Process in a Strong Field of an X-ray Electromagnetic Wave

Roshchupkin,

Serov,

Dubov

2023

Symmetry

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The Breit–Wheeler resonant process was theoretically studied in a strong X-ray electromagnetic wave field under conditions when the energy of one of the initial high-energy gamma quanta passes into the energy of a positron or electron. These conditions were realized when the energy of a high-energy gamma quantum significantly exceeded the characteristic Breit–Wheeler energy, which was determined using the parameters of the electromagnetic wave and the initial setup. Analytical formulas for the resonant differential cross-section were obtained. It is shown that the resonant differential cross-section significantly depends on the ratio between the energies of the initial gamma quanta and the characteristic Breit–Wheeler energy. With a decrease in the characteristic Breit–Wheeler energy, the resonant cross-section increases sharply and may exceed the corresponding non-resonant cross-section by several orders of magnitude. The results make it possible to obtain narrow beams of ultrarelativistic positrons (electrons) with energies of the order ∼102 GeV and could also be used to explain high-energy fluxes of positrons (electrons) near neutron stars, as well as to simulate QED processes in laser fusion.

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confidence: 99%

The Generation of High-Energy Electron–Positron Pairs during the Breit–Wheeler Resonant Process in a Strong Field of an X-ray Electromagnetic Wave

Roshchupkin,

Serov,

Dubov

2023

Symmetry

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International Exawatt Center for Extreme Light Studies (XCELS): Laser System and Experiment Program

Kostyukov,

Khazanov,

Shaikin

et al. 2023

Bull. Lebedev Phys. Inst.

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Basov Readings

2022

Usp. Fiz. Nauk

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Laser Thermonuclear Fusion and High Energy Density Physics

Cited by 3 publications

References 54 publications

The Generation of High-Energy Electron–Positron Pairs during the Breit–Wheeler Resonant Process in a Strong Field of an X-ray Electromagnetic Wave

The Generation of High-Energy Electron–Positron Pairs during the Breit–Wheeler Resonant Process in a Strong Field of an X-ray Electromagnetic Wave

International Exawatt Center for Extreme Light Studies (XCELS): Laser System and Experiment Program

Basov Readings

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