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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

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

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

The nonperturbative regime of electron-positron pair creation by a relativistic proton beam colliding with a highly intense bichromatic laser field is studied. The laser wave is composed of a strong low-frequency and a weak high-frequency…

High Energy Physics - Phenomenology · Physics 2014-09-09 Sven Augustin , Carsten Müller

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

Energy-angular distributions of electron-positron pair creation in collisions of a laser beam and a nonlaser photon are calculated using the $S$-matrix formalism. The laser field is modeled as a finite pulse, similar to the formulation…

High Energy Physics - Phenomenology · Physics 2015-06-11 K. Krajewska , J. Z. Kaminski

Counter-propagating and suitably polarized light (laser) beams can provide conditions for pair production. Here, we consider in more detail the following two situations: (i) In the homogeneity regions of anti-nodes of linearly polarized…

High Energy Physics - Phenomenology · Physics 2016-06-20 A. Otto , T. Nousch , D. Seipt B. Kämpfer , D. Blaschke , A. D. Panferov , S. A. Smolyansky , A. I. Titov

Fully polarized nonlinear Breit-Wheeler pair production from a beam of polarized seed photons is investigated in pulsed plane-wave backgrounds. The particle (electron and positron) spin and photon polarization are comprehensively described…

High Energy Physics - Phenomenology · Physics 2022-04-06 Suo Tang

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…

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

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

High-power laser facilities give experimental access to fundamental strong-field quantum electrodynamics processes. A key effect to be explored is the nonlinear Breit-Wheeler process: the conversion of high-energy photons into…

High Energy Physics - Phenomenology · Physics 2023-08-03 Alexander J. MacLeod , Prokopis Hadjisolomou , Tae Moon Jeong , Sergei V. Bulanov

The linear Breit-Wheeler (LBW) process, mediated by photon-photon collisions, can emerge as the dominant pair production mechanism in the ultraintense laser-plasma interaction for laser intensities below $10^{23}~\rm W/cm^2$. Here, we…

Plasma Physics · Physics 2025-07-29 Huai-Hang Song , Zheng-Ming Sheng

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

The $e^+e^-$ pair production by a probe photon traversing a linearly polarized laser pulse is treated as generalized nonlinear Breit-Wheeler process. For short laser pulses with very few oscillations of the electromagnetic field we find…

High Energy Physics - Phenomenology · Physics 2012-06-04 T. Nousch , D. Seipt , B. Kampfer , A. I. Titov

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 production of electron-positron pairs from vacuum by counterpropagating laser beams of linear polarization is calculated. In contrast to the usual approximate approach, the spatial dependence and magnetic component of the laser field…

Vacuum polarization is numerically investigated for the interaction between a GeV electron beam and a counterpropagating ultraintense laser pulse in the quantum radiation dominated-regime (QRDR). We identify a signal of vacuum polarization…

High Energy Physics - Phenomenology · Physics 2024-12-03 Jia-Ding Chen , Ya-Nan Dai , Kai-Hong Zhuang , Jing-Jing Jiang , Baifei Shen , Yue-Yue Chen

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

Generation of arbitrarily spin-polarized lepton (here refer in particular to electron and positron) beams has been investigated in the single-shot interaction of high-energy polarized $\gamma$ photons with an ultraintense asymmetric laser…

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