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We compute bremsstrahlung arising from the acceleration of individual charged baryons and mesons during the time evolution of high-energy Au+Au collisions at the Relativistic Heavy Ion Collider using a microscopic transport model. We…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. M. H. Wong , M. Belkacem , J. I. Kapusta , S. A. Bass , M. Bleicher , H. Stöcker

Bremsstrahlung radiation emission is an important energy loss mechanism for energetic electrons in plasmas. In this paper we investigate the effect of spontaneous bremsstrahlung emission on the momentum-space structure of the electron…

Plasma Physics · Physics 2016-09-21 Ola Embréus , Adam Stahl , Tünde Fülöp

We evaluate the electric dipole absorption in small metal particles in a longitudinal electric field taking into account the Fermi-Thomas screening. When either the level broadening or the frequency of the field are larger than the mean…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. A. Serota , B. Goodman

The impact of a laser field on the process of photon radiation by an ultra-relativistic electron in an atomic field is investigated. The angular distribution and the spectrum of the radiated photon are derived. By means of the…

High Energy Physics - Phenomenology · Physics 2020-08-07 P. A. Krachkov , A. Di Piazza , A. I. Milstein

We evaluate the cross section for diffractive bremsstrahlung of a single photon in the $pp \to pp \gamma$ reaction at high energies and at forward photon rapidities. Several differential distributions, for instance, in $y$, $k_{\perp}$ and…

High Energy Physics - Phenomenology · Physics 2023-07-11 Piotr Lebiedowicz , Otto Nachtmann , Antoni Szczurek

Momentum transfer due to electron-electron interaction (Coulomb drag) between two quantum wells, separated by a distance $d$, in the presence of a perpendicular magnetic field, is studied at low temperatures. We find besides the well known…

Condensed Matter · Physics 2015-06-25 M. W. Wu , H. L. Cui , N. J. M. Horing

In this article, we study the Coulomb corrections to the Delbrueck scattering amplitude. We consider the limit when the energy of the photon is much less than the electron mass. The calculations are carried out in the coordinate…

High Energy Physics - Phenomenology · Physics 2009-11-13 G. G. Kirilin , I. S. Terekhov

The cross section of high-energy $e^+e^-$ pair production by a heavy charged particle in the atomic field is investigated in detail. We take into account the interaction with the atomic field of $e^+e^-$ pair and a heavy particle as well.…

High Energy Physics - Phenomenology · Physics 2017-05-19 P. A. Krachkov , A. I. Milstein

The advent of powerful laser sources has made it possible to observe a relatively large cross section of the excited state of Hydrogen atom. This is due to the effect of joint collisions of a linearly polarized $N$-photon and high-energy…

Atomic Physics · Physics 2023-04-25 Behnam Nikoobakht

We present a fully relativistic calculation of the bremsstrahlung emitted by twisted electrons propagating in the field of bare heavy nuclei. The electron-nucleus interaction is accounted for to all orders in the nuclear binding strength…

Atomic Physics · Physics 2020-01-29 M. E. Groshev , V. A. Zaytsev , V. A. Yerokhin , V. M. Shabaev

Kinetic equations for the process of multiphoton bremsstrahlung of electron in a matter have been used to derive the equations for the moments of distributions of electrons over the number of emitted photons and over the energy loss. The…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Kolchuzhkin , A. Potylitsyn , A. Bogdanov , I. Tropin

Investigation of electronic waves with high coherence in photodetachment of a negative ion gives a physical basis to develop the holographic electronic microscopy with high resolution. The interference pattern is considered in the framework…

Instrumentation and Detectors · Physics 2011-11-08 P. A. Golovinski , A. A. Drobyshev

A two-dimensional (2D) hydrogen-like atom with a relativistic Dirac electron, placed in a weak, static, uniform magnetic field perpendicular to the atomic plane, is considered. Closed forms of the first- and second-order Zeeman corrections…

Quantum Physics · Physics 2019-01-29 Radosław Szmytkowski

It is shown that the account for the proton charge form factor in the Coulomb corrections to the electron-proton scattering cross section noticeably diminishes the difference between the value of the proton charge radius $r_{\mathrm{E}}$,…

High Energy Physics - Phenomenology · Physics 2014-02-14 R. N. Lee , A. I. Milstein

The evaluation of the electron-ion bremsstrahlung cross section exact to all orders in the Coulomb potential is computationally expensive due to the appearance of hypergeometric functions. Therefore tabulations are widely used. Here, we…

High Energy Physics - Phenomenology · Physics 2021-12-22 Josef Pradler , Lukas Semmelrock

The scattering of photons of x-ray energy off a Coulomb field in very forward scattering region may be thought as the refraction effect due to the Coulomb field. The cross section of the scattering can be computed from the photon bending…

High Energy Physics - Phenomenology · Physics 2018-11-05 Taekoon Lee

Fully relativistic treatment of the electron-atom and positron-atom bremsstrahlung is reported. The calculation is based on the partial-wave expansion of the Dirac scattering states in an external atomic field. A comparison of the electron…

Atomic Physics · Physics 2015-06-11 V. A. Yerokhin , A. Surzhykov , R. Märtin , S. Tashenov , G. Weber

We present a model of coherent Bremsstrahlung emission from the compression phase of relativistic heavy ion collisions based on a hydrodynamical description of the collision process. The decceleration of the matter through a shock front,…

High Energy Physics - Phenomenology · Physics 2007-05-23 C. Bertulani , L. Mornas , U. Ornik

Photoelectron spectra obtained from the ab initio solution of the time-dependent Schr\"odinger equation can be in striking disagreement with predictions by the strong-field approximation (SFA) not only at low energy but also around twice…

Atomic Physics · Physics 2016-12-14 Th. Keil , S. V. Popruzhenko , D. Bauer

The causal quantum mechanics (i.e. Bohmian or de Broglie-Bohm or Bohm-de Broglie quantum mechanics) has made possible to calculate the trajectories of electrons in a typical double-slit experiment [C. Philippidis et al., Il Nuovo Cimento,…

Quantum Physics · Physics 2022-04-25 E. Sergio Santini , Germán M. Chiappe , Rafael González
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