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Electron-positron pair production is the essential process for high-energy gamma-ray astrophysical observations. Following the pioneering OSO-3 counter telescope, the field evolved into use of particle tracking instruments, largely derived…

High Energy Astrophysical Phenomena · Physics 2023-04-05 David J. Thompson , Alexander A. Moiseev

We consider the process of electron-positron pair production in the presence of strong electric backgrounds being rapidly switched on and off and examine the total particle yield. For sufficiently sharp field profiles, the particle number…

High Energy Physics - Phenomenology · Physics 2025-01-09 I. A. Aleksandrov , D. G. Sevostyanov , V. M. Shabaev

A theoretical and phenomenological consideration is given to higher order, strong field effects in electron/laser interactions. A consistent strong field theory is the Furry interaction picture of intense field quantum field theory. In this…

High Energy Physics - Phenomenology · Physics 2017-06-16 A. Hartin

We study nonperturbative pair production in intense, focused laser fields called e-dipole pulses. We address the conditions required, such as the quality of the vacuum, for reaching high intensities without initiating beam-depleting…

High Energy Physics - Phenomenology · Physics 2013-08-14 A. Gonoskov , I. Gonoskov , C. Harvey , A. Ilderton , A. Kim , M. Marklund , G. Mourou , A. M. Sergeev

The theoretical and experimental aspects of particle production from the strong equivalent photon fluxes present at high energy hadron colliders are reviewed. The goal is to show how photons at hadron colliders can improve what we have…

High Energy Physics - Phenomenology · Physics 2010-01-27 Joakim Nystrand

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

In recent years, a large number of papers have appeared that dealt with $\EPEM$ pair production in heavy ion collisions at high energies. To a large extent these studies were motivated by the existence of relativistic heavy ion accelerators…

Nuclear Theory · Physics 2008-11-26 Gerhard Baur , Kai Hencken , Dirk Trautmann

Electron-positron pair production from vacuum in a strong electric field oscillating in time is studied. The field is assumed to consist of two consecutive pulses, with variable time delay in between. Pair production probabilities are…

Plasma Physics · Physics 2019-05-22 L. F. Granz , O. Mathiak , S. Villalba-Chávez , C. Müller

The non-perturbative electron-positron pair production in time-dependent electric fields is investigated. The quantum kinetic formalism is employed in order to calculate the electron density for various field configurations. The…

High Energy Physics - Phenomenology · Physics 2012-12-06 Christian Kohlfürst

Neutrino--antineutrino ($\nu\bar\nu$) pair production is one of the main processes responsible for the energy loss of stars. Apart from the collision of two ($\gamma\gamma\to\nu\bar\nu$) or three ($\gamma\gamma\gamma\to\nu\bar\nu$) real…

High Energy Physics - Phenomenology · Physics 2023-08-29 Naser Ahmadiniaz , Rashid Shaisultanov , Ralf Schützhold

We investigate proton-antiproton ($p\bar{p}$) pair production via photon-photon fusion in the ultra-peripheral collisions at RHIC, employing a joint impact parameter and transverse momentum dependent formalism. We consider proton exchange,…

High Energy Physics - Phenomenology · Physics 2024-06-11 Cheng Zhang , Li-Mao Zhang , Ding Yu Shao

The effect of linear chirp frequency on the process of electron-positron pairs production from vacuum in the combined potential wells is investigated by computational quantum field theory. Numerical results of electron number and energy…

Quantum Physics · Physics 2021-09-14 Li Wang , Lie-Juan Li , Melike Mohamedsedik , Rong An , Jing-Jing Li , Bai-Song Xie , Feng-Shou Zhang

Realizing the full potential of ultrahigh-intensity lasers for particle and radiation generation will require multi-beam arrangements due to technology limitations. Here, we investigate how to optimize their coupling with solid targets.…

We investigate the effect of pair creation on a shock structure. Particles, accelerated in the shock via the first order Fermi process, are supposed to cool by inverse Compton process on external soft photons, resulting in a cut-off power…

Astrophysics · Physics 2007-05-23 P. O. Petrucci , G. Henri , G. Pelletier

Electron-positron pair production by the Breit-Wheeler process embedded in a strong laser pulse is analyzed. The transverse momentum spectrum displays prominent peaks which are interpreted as caustics, the positions of which are accessible…

Plasma Physics · Physics 2016-02-03 T. Nousch , D. Seipt , B. Kämpfer , A. I. Titov

Due to coherence, there are strong electromagnetic fields of short duration in very peripheral collisions. They give rise to photon-photon and photon-nucleus collisions with high flux up to an invariant mass region hitherto unexplored…

High Energy Physics - Phenomenology · Physics 2009-09-25 G. Baur , K. Hencken , D. Trautmann , S. Sadovsky , Yu. Kharlov

We analyze $\mu^+\mu^-$ pair production generated by high-energy electrons emerging from a laser-wakefield accelerator. The $\mu^+\mu^-$ pairs are created in a solid thick high-$Z$ target, following the electron accelerating plasma region.…

Accelerator Physics · Physics 2014-11-20 A. I. Titov , B. Kämpfer , H. Takabe

The performance of fiber laser systems has drastically increased over recent decades, which has opened up new industrial and scientific applications for this technology. However, currently a number of physical effects prevents further power…

Production of electron-positron pairs in the collision of a high-energy photon with a high-intensity few-cycle laser pulse is studied. By utilizing the frameworks of laser-dressed spinor and scalar quantum electrodynamics, a comparison…

High Energy Physics - Phenomenology · Physics 2016-07-27 M. J. A. Jansen , J. Z. Kamiński , K. Krajewska , C. Müller

The resonant photoproduction of ultrarelativistic electron-positron pairs (PPP) in a nuclear field and a weak laser field is theoretically studied. Under resonance conditions, the intermediate virtual electron (positron) in the laser field…

High Energy Physics - Phenomenology · Physics 2019-11-13 Nikita R. Larin , Victor V. Dubov , Sergei P. Roshchupkin