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Related papers: Synchrotron Radiation in Cyclic Accelerators

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The details of trajectories of charged particles become increasingly important for proper understanding of processes of formation of radiation in strong and curved magnetic fields. Because of damping of the perpendicular component of…

High Energy Astrophysical Phenomena · Physics 2015-01-23 A. Yu. Prosekin , S. R. Kelner , F. A. Aharonian

Recent work has shown that synchrotron emission from relativistic plasmas leads the electron distribution to form an anisotropic ring in momentum space, which can be unstable to both kinetic and hydrodynamic instabilities. Fundamental to…

Plasma Physics · Physics 2024-07-19 Ian E. Ochs

We consider particle acceleration to high energy via diffusive shock acceleration in a simple, self-consistent shock in jet model for blazars. Electrons are assumed to be accelerated at a shock front in relativistic jets and radiate…

Astrophysics · Physics 2007-05-23 F. M. Rieger , J. G. Kirk , A. Mastichiadis

A synthesis of the present knowledge on gamma-ray emission from the magnetosphere of a rapidly rotating neutron star is presented, focusing on the electrodynamics of particle accelerators. The combined curvature, synchrotron, and…

Astrophysics · Physics 2009-11-11 Kouichi Hirotani

Microquasar stellar systems emit electromagnetic radiation and high-energy particles. Thanks to their location within our own galaxy, they can be observed in high detail. Still, many of their inner workings remain elusive; hence,…

High Energy Astrophysical Phenomena · Physics 2023-11-15 Theodoros Smponias

Soft cyclo-synchrotron photons produced by thermal electrons moving in a magnetic field can be subsequently Comptonized to produce hard X-ray and $\gamma$-ray emission. An accurate determination of the amount of soft cyclo-synchrotron…

Astrophysics · Physics 2007-05-23 Rohan Mahadevan

The dynamics of an electron bunch irradiated by two focused colliding super-intense laser pulses and the resulting gamma and electron-positron production are studied. Due to attractors of electron dynamics in a standing wave created by…

Plasma Physics · Physics 2021-05-12 M. Jirka , O. Klimo , S. V. Bulanov , T. Zh. Esirkepov , E. Gelfer , S. S. Bulanov , S. Weber , G. Korn

We consider a system rotating at extremely high angular velocity, so that its matter is found mostly at the light-cylinder. We posit that it can be described by quantum fields confined to the two-dimensional cylindrical surface rotating…

High Energy Physics - Phenomenology · Physics 2024-01-01 Matteo Buzzegoli , Kirill Tuchin

Polarization is a powerful diagnostic tool to constrain the site of the high-energy pulsed emission and particle acceleration in gamma-ray pulsars. Recent particle-in-cell simulations of pulsar magnetosphere suggest that high-energy…

High Energy Astrophysical Phenomena · Physics 2016-09-28 Benoît Cerutti , Jérémy Mortier , Alexander A. Philippov

An equation is derived to calculate the dynamics of relativistic magnetized plasma which decelerates by sweeping up matter from the ISM. Reduction to the non-radiative and radiative regimes is demonstrated. The evolving electron momentum…

Astrophysics · Physics 2016-08-30 Charles D. Dermer , James Chiang

We calculate equilibrium emittances and damping times due to the emission of synchrotron radiation for coupled storage ring lattices by evaluating the projections of the commonly used synchrotron radiation integrals onto the normal modes of…

Accelerator Physics · Physics 2022-05-24 Volker Ziemann , Andreas Streun

Synchrotron circular polarization of a non-thermal power-law electron distribution in gamma-ray bursts (GRBs) has been studied. However, some numerical simulations have shown that the resulting distribution of electrons is a combination of…

High Energy Astrophysical Phenomena · Physics 2025-05-29 Kangfa Cheng , Jirong Mao , Xiaohong Zhao , Hongbang Liu , Zhegeng Chen , Gaojin Yu , Zhifu Chen

There are difficulties in understanding what keeps the plasma thermalized in compact sources, especially during rapid variations of the emitted flux. Particle-particle collisions are too inefficient in hot rarefied plasmas, and a faster…

Astrophysics · Physics 2016-08-30 Gabriele Ghisellini , Francesco Haardt , Roland Svensson

We introduce a simple and economical but effective method for including relativistic electron transport in multi-dimensional simulations of radio galaxies. The method is designed to follow explicitly diffusive acceleration at shocks, and,…

Astrophysics · Physics 2009-10-30 T. W. Jones , Dongsu Ryu , Andrew Engel

Various methods of obtaining longitudinally polarized positrons for future linear colliders are reviewed. Special attention is paid to the schemes using circularly polarized high-energy photons for positron production. Most effectively such…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Strakhovenko , X. Artru , R. Chehab , M. Chevallier

The energy and the angular distributions of photoelectrons are shown to be tunable by choosing the time and the spatial phase structure of the driving fields. These conclusions are derived from quantum mechanical calculations done within a…

Atomic Physics · Physics 2023-03-15 Jonas Wätzel , Johannes Hahn , Jamal Berakdar

Hot magnetic stars often exhibit incoherent circularly polarized radio emission thought to arise from gyro-synchrotron emission by energetic electrons trapped in the circumstellar magnetosphere. Theoretical scalings for electron…

Solar and Stellar Astrophysics · Physics 2023-08-16 B. Das , S. P. Owocki

We analyze the energy distributions of final (stable) products - gamma rays, neutrinos, and electrons - produced in inelastic proton-proton collisions in the PeV energy regime. We also calculate the energy spectrum of synchrotron radiation…

High Energy Astrophysical Phenomena · Physics 2020-11-11 Silvia Celli , Felix Aharonian , Stefano Gabici

Previous studies have considered synchrotron as the emission mechanism for prompt Gamma-Ray Bursts (GRBs). These works have shown that the electrons must cool on a timescale comparable to the dynamic time at the source in order to satisfy…

High Energy Astrophysical Phenomena · Physics 2018-02-28 Paz Beniamini , Rodolfo Barniol Duran , Dimitrios Giannios

Microwave emission of solar flares is formed primarily by incoherent gyrosynchrotron radiation generated by accelerated electrons in coronal magnetic loops. The resulting emission depends on many factors, including pitch-angle distribution…

Solar and Stellar Astrophysics · Physics 2015-05-30 Alexey A. Kuznetsov , Gelu M. Nita , Gregory D. Fleishman
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