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The dynamics of electrons in counter-propagating, circularly polarized laser beams are shown to exhibit attractors whose ability to trap particles depends on the ratio of the beam intensities and a single parameter describing radiation…

Plasma Physics · Physics 2016-07-11 J. G. Kirk

Production of particle-antiparticle pairs by a high-energy probe photon propagating through a high-intensity laser field is considered in the nonperturbative interaction regime. The laser field consists of a strong low-frequency and a weak…

High Energy Physics - Phenomenology · Physics 2015-06-17 Martin J. A. Jansen , Carsten Müller

A theoretical and numerical investigation of non-ponderomotive absorption at laser intensities relevant to quantum electrodynamics is presented. It is predicted that there is a regime change in the dependence of fast electron energy on…

For a number of physical studies which are planned to be made with the next generation colliders, it is necessary to use polarized beams of both electrons and positrons. The problem of producing and acceleration of polarized electrons may…

Accelerator Physics · Physics 2007-05-23 A. P. Potylitsyn

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

Observation of efficient Breit-Wheeler electron-positron pair creation is one of the main goals for modern-day strong laser-particle experiments. We propose exploring this process by colliding plasma-generated harmonics, from currently…

High Energy Physics - Phenomenology · Physics 2023-05-16 Suo Tang

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 combination of energetic electron beams, delivered from conventional accelerators at a high repetition rate, and ultraintense lasers, makes it possible to perform precision measurements of strong-field QED. The LUXE collaboration aims…

High Energy Physics - Phenomenology · Physics 2022-05-18 Alexander J. Macleod

Scattering of intense laser pulses on high-energy electron beams allows one to produce a large number of X and gamma rays. For temporally pulsed lasers the resulting spectra is broadband which severely limits practical applications. One…

Accelerator Physics · Physics 2022-09-07 M. A. Valialshchikov , D. Seipt , V. Yu. Kharin , S. G. Rykovanov

We estimate the energy distribution of positrons produced in the interaction of ultra-relativistic electrons with a high-intensity laser beam. The underlying trident process is factorized on the probabilistic level. That is, we deploy a…

High Energy Physics - Phenomenology · Physics 2022-01-05 A. I. Titov , U. Hernandez Acosta , B. Kampfer

We adopt an open quantum systems perspective to calculate the power spectrum associated with the electric field generated by an atomic dipole moment undergoing resonant laser-driving. This spectrum has a similar shape to the usual Mollow…

Quantum Physics · Physics 2015-06-09 Adam Stokes , Almut Beige

The spectra of Compton radiation emitted during electron scattering off an intense laser beam are calculated using the framework of strong-field quantum electrodynamics. We model these intense laser beams as finite length plane-wave-fronted…

High Energy Physics - Phenomenology · Physics 2012-06-06 K. Krajewska , J. Z. Kaminski

High energy photons can decay to electron-positron pairs via the nonlinear Breit-Wheeler process when colliding with an intense laser pulse. The energy spectrum of the produced particles is broadened because of the variation of their…

High Energy Physics - Phenomenology · Physics 2021-08-25 Suo Tang

In a simple picture, a Bessel beam is viewed as a transverse standing wave formed in the interference region between incoming and outgoing conical waves. Based on this interpretation we propose an optical resonator that supports modes that…

Optics · Physics 2009-11-10 J. Rogel-Salazar , G. H. C. New , S. Chavez-Cerda

A study of the Mode-locking lasing pulse formation in closed cavities is presented within a statistical mechanical framework where the onset of laser coincides with a thermodynamic phase transition driven by the optical power pumped into…

Optics · Physics 2015-04-24 Fabrizio Antenucci , M. Ibáñez Berganza , Luca Leuzzi

Modern x-ray free-electron lasers (XFELs) produce x-ray pulses of exceptional transverse coherence. This is due largely to the process of optical guiding by which the radiation is both refractively guided by the bunched electron beam and…

Accelerator Physics · Physics 2021-04-20 River R. Robles , Gabriel Marcus , Zhirong Huang

The pair beaming in the Breit-Wheeler (BW) process is investigated. We examine the effect of the BW differential cross section on pair angular and energy distributions. Although, this study is relevant for laser induced intense gamma-ray…

Plasma Physics · Physics 2018-08-29 X Ribeyre , E Dhumières , S. Jequier , V. Tikhonchuk

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

Electron-positron pair creation by multiphoton absorption in the collision of a relativistic electron with a strong laser beam is calculated within laser-dressed quantum electrodynamics. Total production rates, positron spectra, and…

Atomic Physics · Physics 2014-11-20 Huayu Hu , Carsten Müller , Christoph H. Keitel

We consider birefringent (i.e., polarization changing) scattering of x-ray photons at the superposition of two optical laser beams of ultra-high intensity and study the resonant contributions of axions or axion-like particles, which could…

High Energy Physics - Phenomenology · Physics 2023-10-18 Stefan Evans , Ralf Schützhold
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