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Process of lepton pair production by polarized photon on nuclei can be used to measure the degree of linear polarization of high energy photon. The differential cross section and the analyzing power are calculated with taking into account…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. Bakmaev , E. A. Kuraev , I. Shapoval , Yu. P. Peresunko

We study the bound-free electron-positron pair production in relativistic heavy ion collisions to different bound states in a full Plane Wave Born Approximation (PWBA) calculation. Exact Dirac wave functions are used for both the bound…

Nuclear Theory · Physics 2009-11-06 Helmar Meier , Zlatko Halabuka , Kai Hencken , Dirk Trautmann , Gerhard Baur

We discuss electron-positron pair-production by super-intense, short laser pulses off the physical vacuum state locally deformed by (stripped) nuclei with large nuclear charges. Consequences of non-perturbative vacuum polarisation resulting…

Nuclear Theory · Physics 2009-10-30 Klaus Dietz , Michael Proebsting

The results concerning the $e^+e^-$ production in peripheral highly relativistic heavy-ion collisions presented in a recent paper by Baltz {\em{et al.}} are rederived in a very straightforward manner. It is shown that the solution of the…

High Energy Physics - Phenomenology · Physics 2011-09-13 A. Aste , G. Baur , K. Hencken , D. Trautmann , G. Scharf

The magnificent development of strong X-ray lasers motivates the advancement of pair production process studies into higher laser frequency region. In this paper, a resonant electron-positron pair production process with the absorption of…

Atomic Physics · Physics 2015-06-17 Huayu Hu , Jie Huang

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

The probability of electron-positron pair creation by a focused laser pulse is calculated. For description of the focused laser pulse we use a 3-dimensional model of the electromagnetic field which is based on an exact solution of Maxwell…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. S. Bulanov , N. B. Narozhny , V. D. Mur , V. S. Popov

We give an exact, analytic, and manifestly gauge invariant account of pair production in combined longitudinal and transverse electromagnetic fields, both depending arbitrarily on lightfront time. The instantaneous, nonperturbative…

High Energy Physics - Phenomenology · Physics 2011-12-19 Florian Hebenstreit , Anton Ilderton , Mattias Marklund

Electron-positron pair creation in a standing wave is explored using a parameter-free quantum kinetic equation. Field strengths and frequencies corresponding to modern optical lasers induce a material polarisation of the QED vacuum, which…

Nuclear Theory · Physics 2010-03-04 D. B. Blaschke , A. V. Prozorkevich , C. D. Roberts , S. M. Schmidt , S. A. Smolyansky

Positronium decay into a muon-antimuon pair by virtue of the interaction with a superintense laser field of linear polarization is considered. The minimum laser intensity required amounts to a few 10^22 W/cm^2 in the near-infrared frequency…

Atomic Physics · Physics 2009-11-13 Carsten Müller , Karen Z. Hatsagortsyan , Christoph H. Keitel

We derive the spectrum and the total cross section of electromagnetic $e^{+}e^{-}$ pair production in the collisions of two nuclei at low relative velocity $\beta$. Both free-free and bound-free $e^{+}e^{-}$ pair production is considered.…

Atomic Physics · Physics 2016-11-29 R. N. Lee , A. I. Milstein

The process of electron-positron pair production is investigated within the phase-space Wigner formalism. The similarities between atomic ionization and pair production for homogeneous, but time-dependent linearly polarized electric fields…

High Energy Physics - Phenomenology · Physics 2015-12-21 Christian Kohlfürst

Electron-positron pair production in low-energy collisions of heavy nuclei is considered beyond the monopole approximation. The calculation method is based on the numerical solving of the time-dependent Dirac equation with the full…

Atomic Physics · Physics 2019-08-20 I. A. Maltsev , V. M. Shabaev , R. V. Popov , Y. S. Kozhedub , G. Plunien , X. Ma , Th. Stöhlker

We present a detailed calculation of the electron-positron production rate using neutrinos in an intense laser field. The computation is done for the process neutrino to neutrino + electron + positron via the neutral channel and within the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Todd M. Tinsley

Relativistic spin-polarized positron beams are indispensable for future electron-positron colliders to test modern high-energy physics theory with high precision. However, present techniques require very large scale facilities for those…

A process of the pair production by a circularly polarized photon in the field of unpolarized atomic electron has been considered in the Weizaecker-Williams approximation. The degree of longitudinal polarization of positron and electron has…

High Energy Physics - Phenomenology · Physics 2009-11-07 V. V. Bytev , E. A. Kuraev , M. V. Galynskii , A. P. Potylitsyn

Treating the production of electron and positron pairs by a strong electric field from the vacuum as a quantum tunneling process we derive, in semiclassical approximation, a general expression for the pair production rate in a $z$-dependent…

High Energy Physics - Theory · Physics 2008-12-18 Hagen Kleinert , Remo Ruffini , She-Sheng Xue

We study elementary particle reactions that result from the interaction of an atomic system with a very intense laser wave of circular polarization. As a specific example, we calculate the rate for the laser-driven reaction $e^+e^- \to…

Atomic Physics · Physics 2016-08-16 Carsten Müller , Karen Z. Hatsagortsyan , Christoph H. Keitel

In this study we explore the possibility of using the process of electron-positron pair creation in strong laser fields as a tool for measuring the intensity of the corresponding laser radiation. In the initial state we consider either free…

Plasma Physics · Physics 2021-11-10 I. A. Aleksandrov , A. A. Andreev

In the collision of two heavy ions, the strong repulsion coming from the Coulomb field is enough to produce $e^+e^-$ pair(s) from vacuum fluctuations. The energy is provided by the kinetic energy of the ions and the Coulomb interaction at…

Nuclear Theory · Physics 2022-12-20 T. Settlemyre , H. Zheng , A. Bonasera