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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

Observing multiphoton electron-positron pair production (the nonlinear Breit-Wheeler process) requires high-energy $\gamma$ rays to interact with strong electromagnetic fields. In order for these observations to be as precise as possible,…

High Energy Physics - Phenomenology · Physics 2024-11-14 Daniel Seipt , Mathias Samuelsson , Tom Blackburn

When a photon collides with a laser pulse, an electron-positron pair can be produced via the nonlinear Breit-Wheeler process. A simulation framework has been developed to calculate this process, which is based on a ponderomotive approach…

High Energy Physics - Phenomenology · Physics 2022-01-19 T. G. Blackburn , B. King

A possible setup for the experimental verification of linear Breit-Wheeler pair creation of electrons and positrons in photon-photon collisions is studied theoretically. It combines highly energetic bremsstrahlung photons, which are assumed…

High Energy Physics - Phenomenology · Physics 2021-01-20 Alina Golub , Selym Villalba-Chávez , Hartmut Ruhl , Carsten Müller

The nonlinear Breit-Wheeler process of electron-positron pair production off a probe photon colliding with a low-frequency and a high-frequency electromagnetic wave that propagate in the same direction is analyzed. We calculate the…

High Energy Physics - Phenomenology · Physics 2014-08-01 Yuan-Bin Wu , She-Sheng Xue

Photoproduction of electron-positron pairs by bremsstrahlung gamma-rays propagating through a high-intensity optical laser wave is studied. By calculating total pair production yields as well as energy and angular distributions of the…

High Energy Physics - Phenomenology · Physics 2022-02-03 A. Eckey , A. B. Voitkiv , C. Müller

The creation of an electron-positron pair in the collision of two real photons, namely the linear Breit-Wheeler process, has never been detected directly in the laboratory since its prediction in 1934 despite its fundamental importance in…

Plasma Physics · Physics 2021-11-17 L Esnault , E d'Humières , A Arefiev , X Ribeyre

The creation of electron-positron pairs by the strong-field Breit-Wheeler process in intense short laser pulses is investigated in the framework of laser-dressed quantum electrodynamics. Regarding laser field parameters in the multiphoton…

High Energy Physics - Phenomenology · Physics 2016-04-01 Martin J. A. Jansen , Carsten Müller

The only available analytical framework for investigating QED processes in a strong laser field systematically relies on approximating the latter as a plane wave. However, realistic high-intensity laser beams feature much more complex…

High Energy Physics - Phenomenology · Physics 2016-12-21 A. Di Piazza

Direct production of electron--positron pairs in two photon collisions, the Breit--Wheeler process, is one of the basic processes in the Universe. However, it has never been observed in laboratory because of absence of the intense gamma-ray…

Instrumentation and Detectors · Physics 2016-01-13 X. Ribeyre , M. Lobet , E. D'Humières , O. Jansen , S. Jequier , V. T. Tikhonchuk

Near-future high-intensity lasers offer prospects for the observation of nonlinear Breit-Wheeler pair production in an overcritical field regime, where the quantum nonlinearity parameter substantially exceeds unity. This experimentally yet…

High Energy Physics - Phenomenology · Physics 2025-05-12 I. Elsner , A. Golub , S. Villalba-Chávez , C. Müller

The interaction of an unpolarized electron beam with a counterpropagating ultraintense linearly polarized laser pulse is investigated in the quantum radiation-dominated regime. We employ a semiclassical Monte Carlo method to describe…

We report a proposal to observe the two-photon Breit-Wheeler process in plasma driven by compact lasers. A high charge electron bunch can be generated from laser plasma wakefield acceleration when a tightly focused laser pulse transports in…

Plasma Physics · Physics 2023-08-16 L. Q. Han , J. Cai , Y. R. Shou , X. D. Liu , J. Q. Yu , X. Q. Yan

Electron-positron pair creation occurs throughout the universe in the environments of extreme astrophysical objects, such as pulsar magnetospheres and black hole accretion disks. The difficulty of emulating these environments in the…

Plasma Physics · Physics 2023-10-24 B. Barbosa , J. P. Palastro , D. Ramsey , K. Weichman , M. Vranic

Experimental efforts toward the detection of the nonperturbative strong-field regime of the Breit-Wheeler pair creation process plan to combine incoherent sources of GeV $\gamma$ quanta and the coherent fields of tightly focussed optical…

High Energy Physics - Phenomenology · Physics 2022-07-13 Alina Golub , Selym Villalba-Chávez , Carsten Müller

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

Photoproduction of electron-positron pairs by the strong-field Breit-Wheeler process in an intense laser field is studied. The laser field is assumed to consist of two consecutive short pulses, with a variable time delay in between. By…

Quantum Physics · Physics 2017-02-01 Martin J. A. Jansen , Carsten Müller

We describe a laser-plasma platform for photon-photon collision experiments to measure fundamental quantum electrodynamic processes such as the linear Breit-Wheeler process with real photons. The platform has been developed using the Gemini…

Production of electron-positron pairs by a high-energy $\gamma$ photon and a bichromatic laser wave is considered where the latter is composed of a strong low-frequency and a weak high-frequency component, both with circular polarization.…

High Energy Physics - Phenomenology · Physics 2023-06-06 N. Mahlin , S. Villalba-Chávez , C. Müller

In our contribution we give a brief overview of two widely discussed quantum processes: electron-positron pairs production off a probe photon propagating through a polarized short-pulsed electromagnetic (e.m.) (e.g.\ laser) wave field or…

High Energy Physics - Phenomenology · Physics 2016-12-02 Alexander I. Titov , Burkhard Kampfer , Atsushi Hosaka , Hideaki Takabe
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