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Multi-group method is an accepted technique for approximately solving the equation of radiative transfer. In this paper, group averaged transfer scattering cross sections, required for solving the equation of radiative transfer in a…

Plasma Physics · Physics 2010-08-31 J. Fiedler

A theoretical possibility to determine the proton Compton scattering cross section from the reaction $ep\rightarrow ep\gamma$ is studied in the kinematics with a small transversal momentum transfer in the electron leg. With the exception of…

High Energy Physics - Phenomenology · Physics 2025-10-21 A. I. Lvov , V. A. Petrunkin , S. G. Popov , B. B. Wojtsekhowski

The results of a theoretical investigation of an ultracold, neutral plasma composed of equal mass positive and negative charges are reported. In our simulations, the plasma is created by the fast dissociation of a neutral particle. The…

Plasma Physics · Physics 2015-06-22 F. Robicheaux , B. J. Bender , M. A. Phillips

The elastic scattering of two real photons in vacuum is one of the most elusive of the fundamentally new processes predicted by quantum electrodynamics. This explains why, although it was first predicted more than eighty years ago, it has…

High Energy Physics - Phenomenology · Physics 2021-12-08 Maitreyi Sangal , Christoph H. Keitel , Matteo Tamburini

Momentum distributions of electron-positron pairs created from the vacuum by an oscillating in time electric field are calculated in the framework of quantum field theory. A pronounced enhancement of those distributions is observed as the…

High Energy Physics - Phenomenology · Physics 2019-07-10 K. Krajewska , J. Z. Kamiński

A calculation is presented of the plasmon and photon damping rates in a dense nonrelativistic plasma at zero temperature, following the resummation program of Braaten-Pisarski. At small soft momentum $k$, the damping is dominated by $3 \to…

High Energy Physics - Phenomenology · Physics 2011-07-19 M. A. Valle Basagoiti

The scattering and transformation of the waves propagating in magnetized plasma on a heavy stationary charged particle located at a plane plasma-vacuum boundary is considered. The scattering (transformation) occurs due to the nonlinear…

Plasma Physics · Physics 2015-05-27 Hrachya B. Nersisyan

We investigate the exclusive photoproduction of a heavy timelike photon which decays into a lepton pair, gamma p -> l+ l- p. This can be seen as the analog of deeply virtual Compton scattering, and we argue that the two processes are…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. R. Berger , M. Diehl , B. Pire

The process of pair creation by a photon in a constant and homogeneous electromagnetic field of an arbitrary configuration is investigating. At high energy the correction to the standard quasiclassical approximation (SQA) has been…

High Energy Physics - Phenomenology · Physics 2022-03-02 V. M. Katkov

The paper deals with kinematic conditions for the inverse Compton scattering of photons by relativistic electrons and the polarizations of the colliding particles, which affect the value of the differential cross section of the process. A…

High Energy Physics - Phenomenology · Physics 2023-06-06 Kirill Bornikov , Igor Volobuev , Yuri Popov

The process of electron-positron pair creation by a high-energy electron in a medium is analyzed. The spectral distribution over energies of created particles is calculated for the direct and cascade mechanisms of the process. The Coulomb…

High Energy Physics - Phenomenology · Physics 2009-02-19 V. N. Baier , V. M. Katkov

Exact four-photon resonance of collinear planar laser pulses is known to be prohibited by the classical dispersion law of electromagnetic waves in plasma. We show here that the renormalization produced by an arbitrarily small relativistic…

Plasma Physics · Physics 2020-12-30 V. M. Malkin , N. J. Fisch

The laser of an intense electromagnetic field promotes the studies of strong-field particle physics in high-intensity frontier. Particle accelerator facilities in the world produce high-quality muon and proton beams. In this work, we…

High Energy Physics - Phenomenology · Physics 2026-01-21 Tong Li , Kai Ma , Man Yuan

Nonlinear Compton scattering driven by ultraintense lasers presents a promising avenue for enhancing the photon energy, brilliance, and setup compactness of $\gamma$-ray sources. However, a significant challenge lies in achieving a high…

Plasma Physics · Physics 2024-04-12 Xian-Zhang Wu , Yan-Fei Li , Yu-Tong Li

Neutrino-photon processes, forbidden in vacuum, can take place in the presence of a thermal medium and/or an external electro-magnetic field, mediated by the corresponding charged leptons (real or virtual). Such interactions affect the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Sushan Konar , Subinoy Das

Scattering properties of a single plasm on interacting with three non-equally spaced quantum dots coupled to one-dimensional surface plasmonic waveguide is investigated theoretically via the real-space approach. It is demonstrated that the…

Optics · Physics 2014-09-17 Nam-Chol Kim , Myong-Chol Ko

We present a Monte Carlo collisional scheme that models single Compton scattering between leptons and photons in particle-in-cell codes. The numerical implementation of Compton scattering can deal with macro-particles of different weights…

Computational Physics · Physics 2020-10-28 F. Del Gaudio , T. Grismayer , R. A. Fonseca , L. O. Silva

The present work theoretically investigates the probability of generation of entangled electron-photon pair in high-energy Compton scattering of unpolarized electrons and photons due to scattering-channel-exchange mechanism. The study…

Quantum Physics · Physics 2021-06-15 Basudev Nag Chowdhury , Sanatan Chattopadhyay

We employ new field-theoretical tools to study photons and jets in a non-equilibrium quark-gluon plasma. Jet broadening and photon emission takes place through radiation which is suppressed by repeated and coherent interaction with the…

Nuclear Theory · Physics 2019-02-20 Sigtryggur Hauksson , Sangyong Jeon , Charles Gale

Solutions of a kinetic equation are investigated which describe, on a nonperturbative basis, the vacuum creation of quasiparticle electron-positron pairs due to a strong laser field. The dependence of the quasiparticle electron (positron)…

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