Results 11 to 20 of about 3,652,202 (242)

Energy spectra of near-relativistic and relativistic electrons

open access: yesAstronomy & Astrophysics
Context. Accurate measurements of the energy spectra of solar energetic particle events are essential for understanding the processes involved in particle acceleration and transport.
Jensen S.   +6 more
doaj   +2 more sources

Relativistic remnants of non-relativistic electrons [PDF]

open access: yesProgress of Theoretical and Experimental Physics, 2014
22 ...
Kashiwa, Taro, Yamaguchi, Taisuke
openaire   +2 more sources

Localizing the relativistic electron [PDF]

open access: yesJournal of Physics A: Mathematical and General, 1999
A causally well-behaved solution of the localization problem for the free electron is given, with natural space-time transformation properties, in terms of Dirac's position operator. It is shown that, although this operator does not represent an observable in the usual sense, and has no positive-energy (generalized) eigenstates, the associated 4-vector
Bracken, A. J., Melloy, G. F.
openaire   +6 more sources

High-current laser-driven beams of relativistic electrons for high energy density research

open access: yesPlasma Physics and Controlled Fusion, 2020
We report on enhanced laser driven electron beam generation in the multi MeV energy range that promises a tremendous increase of the diagnostic potential of high energy sub-PW and PW-class laser systems. In the experiment, an intense sub-picosecond laser
O. Rosmej   +16 more
semanticscholar   +1 more source

Femtosecond electron microscopy of relativistic electron bunches

open access: yesLight: Science & Applications, 2023
AbstractThe development of plasma-based accelerators has enabled the generation of very high brightness electron bunches of femtosecond duration, micrometer size and ultralow emittance, crucial for emerging applications including ultrafast detection in material science, laboratory-scale free-electron lasers and compact colliders for high-energy physics.
Yang Wan   +6 more
openaire   +3 more sources

Features of energetic particle radial profiles inferred from geosynchronous responses to solar wind dynamic pressure enhancements [PDF]

open access: yesAnnales Geophysicae, 2009
Determination of the radial profile of phase space density of relativistic electrons at constant adiabatic invariants is crucial for identifying the source for them within the outer radiation belt.
Y. Shi, E. Zesta, L. R. Lyons
doaj   +1 more source

Relativistic Electron Vortices [PDF]

open access: yesPhysical Review Letters, 2017
The desire to push recent experiments on electron vortices to higher energies leads to some theoretical difficulties. In particular the simple and very successful picture of phase vortices of vortex charge ℓ associated with ℓℏ units of orbital angular momentum per electron is challenged by the facts that (i) the spin and orbital angular momentum are ...
openaire   +3 more sources

Dynamical processes of vortex electrons in intense laser field

open access: yes上海师范大学学报. 自然科学版, 2023
In this paper, the dynamic processes of strong vortex electrons with inherent orbital angular momentum in intense laser are studied. The evolution of the intrinsic orbital and spin angular momentum of a vortex electron in a chirped laser field is studied
CHEN Jiading, CHEN Yueyue
doaj   +1 more source

Relativistic particle acceleration in an electron–positron plasma with a relativistic electron beam [PDF]

open access: yesPhysics of Plasmas, 1994
Results from three-dimensional electromagnetic particle simulations of an electron–positron plasma with a relativistic electron beam (γ=2) are presented. As part of the initial conditions, a poloidal magnetic field is specified, consistent with the current carried by the beam electrons.
Zhao, J.   +3 more
openaire   +2 more sources

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