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We estimate the production of two meson pairs in high energy photon photon collisions produced in ultraperipheral collisions at LHC. We show that the study of charge asymmetries may reveal the existence of the perturbative Odderon and…

High Energy Physics - Phenomenology · Physics 2008-12-18 B. Pire , L. Szymanowski , F. Schwennsen , S. Wallon

We investigate the multi-electron dynamics in high-order harmonic generation (HHG) from N2 molecules. Clear spectral minima are observed in the cutoff region at all three mid-infrared wavelengths (i.e., 1300, 1400 and 1500 nm) chosen in our…

Prolific electron-positron pair production is possible at laser intensities approaching 10^{24} W/cm^2 at a wavelength of 1 micron. An analysis of electron trajectories and interactions at the nodes (B=0) of two counter-propagating,…

High Energy Physics - Phenomenology · Physics 2008-11-12 A. R. Bell , John G. Kirk

Electron-positron pair production in dynamically assisted two-color electric fields is investigated for various polarizations. Momentum spectrum and number density of the created pairs are examined carefully, in particular, the effects of…

Quantum Physics · Physics 2019-06-10 Obulkasim Olugh , Zi-Liang Li , Bai-Song Xie

High-energy-density electron-positron pair plasma production and its dynamics in a thin foil illuminated by two counter-propagating laser pulses are investigated through multi-dimensional particle-in-cell simulations. We compare the…

Plasma Physics · Physics 2020-07-07 W. Y. Liu , W. Luo , T. Yuan , J. Y. Yu , M. Chen , Z. M. Sheng

Two-particle momentum correlation functions as measured in heavy ion collisions or in high-energetic proton-proton collisions are studied. Special emphasis is put on systems like $\Lambda\Lambda$ or $K^-p$ where effects from the coupling to…

High Energy Physics - Phenomenology · Physics 2018-12-05 J. Haidenbauer

The particle production in photon-photon ($\gamma \gamma$) interactions present in electron-ion collisions is investigated. We present calculations for the total cross sections and event rates related to the production of light mesons…

High Energy Physics - Phenomenology · Physics 2024-09-04 Carlos A. Bertulani , Reinaldo Francener , Victor P. Goncalves , Juciene T. de Souza

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

Perturbative and non-perturbative terms of the cross sections of ultraperipheral production of lepton pairs in ion collisions are taken into account. It is shown that production of low-mass $e^+e^-$ pairs is strongly enhanced (compared to…

High Energy Physics - Phenomenology · Physics 2021-12-28 I. M. Dremin

Experimental studies of meson production through two-photon fusion in inelastic electron-nucleus scattering is now under way. A high-energy photon radiated by the incident electron is fused with a soft photon radiated by the nucleus. The…

Nuclear Theory · Physics 2013-05-29 Göran Fäldt

A new mechanism for the production of electron-positron pairs from the interaction of a laser field and a fully stripped diatomic molecule in the tunneling regime is presented. When the laser field is turned off, the Dirac operator has…

High Energy Physics - Phenomenology · Physics 2013-03-18 François Fillion-Gourdeau , Emmanuel Lorin , André D. Bandrauk

Gamma-ray and electron-positron pair production will figure prominently in laser-plasma experiments with next generation lasers. Using a Monte Carlo approach we show that straggling effects arising from the finite recoil an electron…

High Energy Physics - Phenomenology · Physics 2015-05-20 Roland Duclous , John Kirk , Anthony Bell

We present the results of kinetic modelling of quantum effects in laser-beam interaction. In the developed numerical model, electron-positron pair production by hard photons, hard photon emission and the electromagnetic fields generated by…

Plasma Physics · Physics 2015-05-27 Evgeny Nerush , Igor Kostyukov

We consider pair creation by collision of a couple of counterpropagating electromagnetic pulses with arbitrary frequency ratio, mostly in the context of setup with collision of optical and coherent hard X- (or gamma-) ray pulses. This…

High Energy Physics - Phenomenology · Physics 2015-06-17 A. M. Fedotov , A. A. Mironov

We evaluate particle production in highly asymmetric head-on collisions of lasers pulses due to non-perturbative coherent action of many photons. We obtain the yield of electron-positron pairs, which is controlled by the photon content of…

High Energy Physics - Phenomenology · Physics 2011-09-29 Lance Labun , Johann Rafelski

We present the possibility of spin-dependent Kapitza-Dirac scattering based on a two-photon interaction only. The interaction scheme is inspired from a Compton scattering process, for which we explicitly show the mathematical correspondence…

Quantum Physics · Physics 2020-09-11 Sven Ahrens , Zhenfeng Liang , Tilen Cadez , Baifei Shen

The feasibility to generate correlated photon pairs at variable frequencies is investigated. For this purpose, we consider the interaction of an off-resonant laser field with a two-level system possessing broken inversion symmetry. We show…

Quantum Physics · Physics 2015-06-05 Fernando Oster , Christoph H Keitel , Mihai Macovei

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

We perform a gauge-transformation on the time-dependent Dirac equation describing the evolution of an electron in a heavy-ion collision to remove the explicit dependence on the long-range part of the interaction. We solve, in an…

Atomic Physics · Physics 2009-10-30 B. Segev , J. C. Wells

In this preprint we analyze the inclusive photoproduction of heavy charmonia-bottomonia pairs in the Color Glass Condensate framework and demonstrate that the cross-section of the process is sensitive to dipole and quadrupole forward…

High Energy Physics - Phenomenology · Physics 2024-01-30 Marat Siddikov
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