Electron-positron pairs and radioactive nuclei production by irradiation of high-Z target with -photon flash generated by an ultra-intense laser in the regime

D Kolenatý, P Hadjisolomou, R Versaci, TM Jeong… - Physical Review …, 2022 - APS
This paper studies the interaction of laser-driven γ photons and high-energy charged
particles with high-Z targets through Monte Carlo simulations. The interacting particles are …

Laboratory realization of relativistic pair-plasma beams

CD Arrowsmith, P Simon, PJ Bilbao, AFA Bott… - Nature …, 2024 - nature.com
Relativistic electron-positron plasmas are ubiquitous in extreme astrophysical environments
such as black-hole and neutron-star magnetospheres, where accretion-powered jets and …

Injection and confinement of positron bunches in a magnetic dipole trap

A Deller, J von der Linden, S Nißl, K Michishio… - Physical Review E, 2024 - APS
We demonstrate the efficient injection of a pulsed positron beam into a magnetic dipole trap
and investigate the ensuing particle dynamics in the inhomogeneous electric and magnetic …

Impact of temperature asymmetry and small fraction of static positive ions on the relaxed states of a relativistic hot pair plasma

U Shazad, M Iqbal - Zeitschrift für Naturforschung A, 2023 - degruyter.com
The relaxed state of a magnetized relativistic hot plasma composed of inertial electrons and
positrons having different relativistic temperatures and a fraction of static positive ions is …

Confinement time and ambipolar potential in a relativistic mirror-confined plasma

IE Ochs, VR Munirov, NJ Fisch - Physics of Plasmas, 2023 - pubs.aip.org
Advanced aneutronic fusion fuels such as proton-Boron 11 tend to require much higher
temperatures than conventional fuels like deuterium–tritium. For electrons, the bulk plasma …

On the spatial distribution of electron energy loss due to gyro-cooling in hot star magnetospheres

B Das, SP Owocki - Monthly Notices of the Royal Astronomical …, 2023 - academic.oup.com
Hot magnetic stars often exhibit incoherent circularly polarized radio emission thought to
arise from gyro-synchrotron emission by energetic electrons trapped in the circumstellar …

Injection, confinement, and diagnosis of electrons and positrons in a permanent magnet dipole trap

J von der Linden, S Nißl, A Deller, M Singer… - The European Physical …, 2024 - Springer
Prerequisites for the goal of studying long-lived, magnetically confined, electron–positron
pair plasmas in the laboratory include the injection of both species into the trap, long …

Annihilation-gamma-based diagnostic techniques for magnetically confined electron–positron pair plasma

J von der Linden, S Nißl, A Deller… - Journal of Plasma …, 2023 - cambridge.org
Efforts are underway to magnetically confine electron–positron pair plasmas to study their
unique behaviour, which is characterized by significant changes in plasma time and length …

A buffer-gas trap for the NEPOMUC positron beam: optimization studies with electrons

A Deller, CW Rogge, S Desopo, EV Stenson… - Journal of Plasma …, 2023 - cambridge.org
Buffer-gas traps (BGTs) use inelastic interactions with nitrogen molecules to capture
positrons from a continuous beam. These devices are invaluable for high-resolution studies …

Relativistic formulation of curl force, relativistic Kapitza equation and trapping

P Guha, S Garai - Nonlinear Dynamics, 2023 - Springer
In this present communication, the relativistic formulation of the curl forces with saddle
potentials has been performed. In particular, we formulated the relativistic version of the …