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The next few years will see next-generation high-power laser facilities (such as the Extreme Light Infrastructure) become operational, for which it is important to understand how interaction with intense laser pulses affects the bulk…

Plasma Physics · Physics 2015-05-19 Samuel R. Yoffe , Adam Noble , Yevgen Kravets , Dino A. Jaroszynski

The interaction of high energy electrons, positrons, and photons with intense laser pulses is studied in head-on collision geometry. It is shown that electrons and/or positrons undergo a cascade-type process involving multiple emissions of…

Plasma Physics · Physics 2015-06-16 S. S. Bulanov , C. B. Schroeder , E. Esarey , W. P. Leemans

In this work, real photon production scattering kernels from jet-medium interactions in the QCD medium are perturbatively calculated using the higher-twist (HT) formalism. Focus is given towards real photon production from a highly virtual…

High Energy Physics - Phenomenology · Physics 2025-09-10 Amit Kumar , Gojko Vujanovic

Using the Coulomb corrections to some important parameters of a revised Moliere multiple scattering theory, we have obtained analytically and numerically the Coulomb corrections to the quantities of the Migdal theory of the…

High Energy Physics - Phenomenology · Physics 2014-04-11 Hrach Torosyan , Olga Voskresenskaya

Very-high energy gamma-rays from extragalactic sources pair-produce off of the extragalactic background light, yielding an electron-positron pair beam. This pair beam is unstable to various plasma instabilities, especially the "oblique"…

High Energy Astrophysical Phenomena · Physics 2015-06-23 Philip Chang , Avery E. Broderick , Christoph Pfrommer , Ewald Puchwein , Astrid Lamberts , Mohamad Shalaby

Analysing (e,e'p) experimental data involves corrections for radiative effects which change the interaction kinematics and which have to be carefully considered in order to obtain the desired accuracy. Missing momentum and energy due to…

Nuclear Theory · Physics 2015-06-26 Florian Weissbach , Kai Hencken , Daniela Rohe , Ingo Sick , Dirk Trautmann

A number of theoretical calculations have studied the effect of radiation reaction forces on radiation distributions in strong field counter-propagating electron beam-laser interactions, but could these effects - including quantum…

Accelerator Physics · Physics 2012-04-25 A. G. R. Thomas , C. P. Ridgers , S. S. Bulanov , B. J. Griffin , S. P. D. Mangles

By implementing the bremsstrahlung with Monte Carlo algorithm into the particle-in-cell code, the bremsstrahlung and nonlinear Compton scattering can be studied simultaneously in comparison way in the laser plasma interactions. The…

Plasma Physics · Physics 2019-05-07 Feng Wan , Chong Lv , Moran Jia , Haibo Sang , Baisong Xie

In continuation of previous work, numerical results are presented, concerning relativistically counter-streaming plasmas. Here, the relativistic mixed mode instability evolves through, and beyond, the linear saturation -- well into the…

Plasma Physics · Physics 2008-11-26 Jacob Trier Frederiksen , Mark Eric Dieckmann

Parton Cascade Models (PCM), which describe the full time-evolution of a system of quarks and gluons using pQCD interactions are ideally suited for the description of jet production, including the emission, evolution and energy-loss of the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Christopher E. Coleman-Smith , Steffen A. Bass , Dinesh K. Srivastava

Recent theoretical studies have suggested that the suddenly recoiled atom struck by dark matter (DM) particle is much more likely to excite or lose its electrons than expected. Such Migdal effect provides a new avenue for exploring the…

High Energy Physics - Phenomenology · Physics 2021-09-15 Zheng-Liang Liang , Chongjie Mo , Fawei Zheng , Ping Zhang

A particle produced in a hard collision can lose energy through bremsstrahlung. It has long been of interest to calculate the effect on bremsstrahlung if the particle is produced inside a finite-size QCD medium such as a quark-gluon plasma.…

Nuclear Theory · Physics 2009-09-02 Peter Arnold

Electron motion in an oblique shock wave is studied by means of a one-dimensional, relativistic, electromagnetic, particle simulation code with full ion and electron dynamics. It is found that an oblique shock can produce electrons with…

Plasma Physics · Physics 2009-10-31 Naoki Bessho , Yukiharu Ohsawa

Soft photon and gluon radiation off a fast quark propagating through nuclear matter is discussed. The close anology between the Landau - Pomeranchuk - Migdal (LPM) effect in QED and the emission of soft gluons, suggested in ref. \cite{BDPS}…

High Energy Physics - Phenomenology · Physics 2009-10-28 Eugene Levin

Photon energy spectra up to the kinematic limit have been measured in 190 MeV proton reactions with light and heavy nuclei to investigate the influence of the multiple-scattering process on the photon production. Relative to the predictions…

The production of nuclear bremsstrahlung photons (E$_{\gamma}>$ 30 MeV) has been studied in inclusive and exclusive measurements in four heavy-ion reactions at 60{\it A} MeV. The measured photon spectra, angular distributions and…

Radiation spectrum of extreme relativistic electrons and a probability of electron-positron pair production by energetic photons in a strong plasma wakefield are derived in the framework of a semiclassical approach. It is shown that that…

Plasma Physics · Physics 2009-11-13 E. Nerush , I. Kostyukov

Neutrino emissivity from the electron $\nu\bar\nu$ bremsstrahlung in the liquid layers of the neutron star crusts is studied. Nuclear composition of matter in neutron star crusts is considered for various scenarios of neutron star…

Astrophysics · Physics 2011-05-23 P. Haensel , A. D. Kaminker , D. G. Yakovlev

The ubiquity of high-energy tails in the charged particle velocity distribution functions observed in space plasmas suggests the existence of an underlying process responsible for taking a fraction of the charged particle population out of…

Plasma Physics · Physics 2017-11-17 Sabrina F. Tigik , Luiz F. Ziebell , Peter H. Yoon

We present theoretical expectations for non-thermal emission due to the bulk Comptonization at the ultra-relativistic shock breakout. We calculate the transfer of photons emitted from the shocked matter with a Monte Carlo code fully taking…

High Energy Astrophysical Phenomena · Physics 2015-06-17 Yukari Ohtani , Akihiro Suzuki , Toshikazu Shigeyama