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Related papers: Nonlinear Breit-Wheeler pair creation with bremsst…

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We investigate electron-positron pair creation in the interaction of a nuclear Coulomb field and a highly intense two-mode laser field. For bichromatic laser fields, we examine the differences arising for commensurable and incommensurable…

Atomic Physics · Physics 2014-08-29 Sven Augustin , Carsten Müller

The production of a highly-polarized positron beam via nonlinear Breit-Wheeler processes during the interaction of an ultraintense circularly polarized laser pulse with a longitudinally spin-polarized ultrarelativistic electron beam is…

Plasma Physics · Physics 2020-07-29 Yan-Fei Li , Yue-Yue Chen , Wei-Min Wang , Hua-Si Hu

We study the spectrum of the bremsstrahlung photons coming from the electrons and positrons, which are produced in the strong electromagnetic fields present in peripheral relativistic heavy ion collisions. We compare different approaches,…

Nuclear Theory · Physics 2009-10-31 Kai Hencken , Dirk Trautmann , Gerhard Baur

The specific features of nonlinear pair production and radiation processes in an ultratsrong rotating electric field are investigated, taking into account that this field models the antinodes of counterpropagating laser beams. It is shown…

High Energy Physics - Phenomenology · Physics 2020-03-11 Erez Raicher , Karen Z. Hatsagortsyan

The impact of radiation reaction and Breit-Wheeler pair production on acceleration of fully ionized Carbon ions driven by an intense linearly-polarized laser pulse has been investigated in the ultra-relativistic transparency regime. Against…

Plasma Physics · Physics 2024-02-09 Shikha Bhadoria , Mattias Marklund , Christoph H. Keitel

This work provides an overview of our recent results in studying two most important and widely discussed quantum processes: electron-positron pairs production off a probe photon propagating through a polarized short-pulsed electromagnetic…

High Energy Physics - Phenomenology · Physics 2016-06-22 Alexander I. Titov , Burkhard Kampfer , Atsushi Hosaka , Hideaki Takabe

The advent of laser-driven high-intensity $\gamma$-photon beams has opened up new opportunities for designing advanced photon-photon colliders. Such colliders have the potential to produce a large yield of linear Breit-Wheeler (LBW) pairs…

High Energy Physics - Phenomenology · Physics 2023-05-31 Qian Zhao , Yan-Xi Wu , Mamutjan Ababekri , Zhong-Peng Li , Liang Tang , Jian-Xing Li

The generalized Breit-Wheeler process, i.e. the emission of $e^+e^-$ pairs off a probe photon propagating through a polarized short-pulsed electromagnetic (e.g.\ laser) wave field, is analyzed. We show that the production probability is…

High Energy Physics - Phenomenology · Physics 2015-06-15 A. I. Titov , B. Kampfer , H. Takabe , A. Hosaka

Generation of quasi-particle--hole pairs in gapped graphene monolayers in the combined field of two counterpropagating light waves is studied. The process represents an analogue of electron-positron pair production from the QED vacuum by…

Mesoscale and Nanoscale Physics · Physics 2020-03-25 A. Golub , R. Egger , C. Müller , S. Villalba-Chávez

We study nonperturbative multiphoton electron-positron pair creation in ultrastrong electromagnetic fields formed by two counterpropagating pulses with elliptic polarization. Our numerical approach allows us to take into account the…

Atomic Physics · Physics 2015-06-25 Anton Wöllert , Heiko Bauke , Christoph H. Keitel

Electron-positron pair creation near sub-Eddington accretion rate black holes is believed to be dominated by the Breit-Wheeler process (photon-photon collisions). The interacting high energy photons are produced when unscreened electric…

High Energy Astrophysical Phenomena · Physics 2021-02-10 George N. Wong , Benjamin R. Ryan , Charles F. Gammie

Based on an analysis of a specific electron trajectory in counter-propagating beams, Bell & Kirk (PRL 101, 200403 (2008)) recently suggested that laboratory lasers may shortly be able to produce significant numbers of electron-positron…

High Energy Physics - Phenomenology · Physics 2009-07-22 J. G. Kirk , A. R. Bell , I. Arka

Cross-sections for Rutherford scattering, Coulomb bremsstrahlung and pair creation, have been calculated at very high magnetic fields in order to investigate the photo-production of protons at the polar caps of pulsars whose spin is…

High Energy Astrophysical Phenomena · Physics 2015-05-19 P B Jones

We report the results of a combined study of particle-in-cell and Monte Carlo modeling that investigates the production of Bremsstrahlung radiation produced when an ultraintense laser interacts with a tower-structured target. These targets…

Plasma Physics · Physics 2015-06-19 S. Jiang , A. G. Krygier , D. W. Schumacher , K. U. Akli , R. R. Freeman

The spin effect of electrons/positrons ($e^-$/$e^+$) and polarization effect of $\gamma$ photons are investigated in the interaction of two counter-propagating linearly polarized 10-PW-class laser pulses with a thin foil target. The…

Electron-positron pairs' generation occuring in the interaction of $10^{18}$-$10^{20}$~W/cm$^2$ laser radiation with high-Z targets are examined. Computational results are presented for the pair production and the positron yield from the…

Atomic Physics · Physics 2009-10-31 D. A. Gryaznykh , Y. Z. Kandiev , V. A. Lykov

The mechanism of laser-driven relativistic pair-jet production qualitatively changes as laser intensity exceeds $I\gtrsim5\times10^{22}$ W/cm$^{2}$ because of the appearance of laser-induced strong-field QED processes. Here, we show that by…

In this paper we examine the pair production through the Breit-Wheeler process $\gamma~\gamma \to e^+ e^-$ in a thermal background. We compute the thermal contribution to the Breit-Wheeler differential cross section within the thermofield…

High Energy Physics - Phenomenology · Physics 2023-11-23 D. S. Cabral , A. F. Santos , R. Bufalo

The interaction of an ultra-intense laser with matter is an efficient source of high-energy particles, with efforts directed towards narrowing the divergence and simultaneously increasing the brightness. In this paper we report on emission…

Ultra strong electromagnetic fields can lead to spontaneous creation of single or multiple electron-positron pairs. A quantum field theoretical treatment of the pair creation process combined with numerical methods provides a description of…

Quantum Physics · Physics 2016-07-26 Anton Wöllert , Heiko Bauke , Christoph H. Keitel