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Creation of electrons and positrons from light alone is a basic prediction of quantum electrodynamics, but yet to be observed. Here we show that it is possible to create ${>}10^8$ positrons by dual laser irradiation of a structured plasma…

Plasma Physics · Physics 2021-05-18 Y. He , T. G. Blackburn , T. Toncian , A. V. Arefiev

The elastic production of top quark pairs in $pp$ collisions at low and high luminosity regimes is investigated in detail. We extend the study performed in Phys. Rev. D102, 074014 (2020) which has demonstrated that the sum of two…

High Energy Physics - Phenomenology · Physics 2022-06-15 Daniel E. Martins , Marek Tasevsky , Victor P. Goncalves

The process of electron-positron pair creation through multi-photon absorption in a space-time dependent electric field is analyzed using computational quantum field theory. Our findings reveal two distinct pair creation channels: the…

High Energy Physics - Phenomenology · Physics 2025-03-27 C. K. Li , X. X. Zhou , Q. Chen , B. An , Y. J. Li , N. S. Lin , Y. Wan

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

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

Using a quantum kinetic equation coupled to Maxwell's equation we study the possibility that focused beams at proposed X-ray free electron laser facilities can generate electric field strengths large enough to cause spontaneous…

Nuclear Theory · Physics 2008-11-26 R. Alkofer , M. B. Hecht , C. D. Roberts , S. M. Schmidt , D. V. Vinnik

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

Electron-positron pair production in combined laser and Coulomb fields is studied. To this end, the Feynman diagram for multiphoton pair creation by muon impact on a circularly polarized high-frequency laser beam is evaluated within the…

High Energy Physics - Phenomenology · Physics 2009-11-06 Sarah J. Müller , Carsten Müller

Electron-positron pairs are produced through the Breit-Wheeler process when energetic photons traverse electromagnetic fields of sufficient strength. Here we consider a possible experimental geometry for observation of pair creation in the…

Plasma Physics · Physics 2018-03-23 T. G. Blackburn , M. Marklund

The process of electron-positron pair production is investigated within the phase-space Wigner formalism. The similarities between atomic ionization and pair production for homogeneous, but time-dependent linearly polarized electric fields…

High Energy Physics - Phenomenology · Physics 2015-12-21 Christian Kohlfürst

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

A photon linear collider, the two-photon collision mode of an $e^+e^-$ linear collider, uses high-energy laser photons backscattered off the incoming electrons and positrons. The colliding-photon polarization is fully controllable through…

High Energy Physics - Phenomenology · Physics 2026-03-16 Seong Youl Choi , Dong Woo Kang , Jae Sik Lee , Chan Beom Park

We investigate the spin correlations between electron-positron pairs created from a photon when it scatters in a high-intensity laser pulse via the nonlinear Breit-Wheeler process. We find that the spin states of the generated…

High Energy Physics - Phenomenology · Physics 2025-04-10 S. Tang , B. M. Dillon , B. King

We consider the possibility of an experimental proof of vacuum e+e- pair creation in the focus of two counter-propagating optical laser beams with an intensity of the order of 10^20 - 10^22 W/cm^2. Our approach is based on the collisionless…

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

The present work deals with $e^+$-$e^-$ pair production in the four-nucleon system. We first analyze the process as a purely electromagnetic one in the context of a state-of-the-art approach to nuclear strong-interaction dynamics and…

Nuclear Theory · Physics 2022-01-12 M. Viviani , E. Filandri , L. Girlanda , C. Gustavino , A. Kievsky , L. E. Marcucci , R. Schiavilla

We investigate electron-positron pair production from vacuum for short laser pulses with sub-cycle structure, in the nonperturbative regime (Schwinger pair production). We use the non-equilibrium quantum kinetic approach, and show that the…

High Energy Physics - Phenomenology · Physics 2009-05-13 Florian Hebenstreit , Reinhard Alkofer , Gerald V. Dunne , Holger Gies

We reevaluate electron-positron pair production from electromagnetic interactions of muons in transit through materials. Our approach, through the use of structure functions for inelastic and elastic scattering and including hadronic…

High Energy Physics - Phenomenology · Physics 2009-11-06 A. Bulmahn , M. H. Reno

Quantum electrodynamics predicts that in a strong electric field, electron-positron pairs are produced by the Schwinger process, which can be interpreted as quantum tunnelling through the Coulomb potential barrier. If magnetic monopoles…

High Energy Physics - Phenomenology · Physics 2020-07-01 Arttu Rajantie

The creation of particles by two colliding strong laser beams is considered. It is found that the electron-positron pairs created in the laser field via the Schwinger mechanism may recollide after one or several oscillations in the field.…

High Energy Physics - Phenomenology · Physics 2015-11-24 Michael Kuchiev , Julian Ingham
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