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A new model of the bremsstrahlung emission which accompanies proton decay and collisions of protons off nuclei in the energy region from the lowest up to intermediate, has been developed. This model includes spin formalism, potential…

Nuclear Theory · Physics 2012-07-30 Sergei P. Maydanyuk

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

Analysing (e,e'p) experimental data involves corrections for radiative effects which change the interaction kinematics and which have to be carefully considered in order to obtain the desired accuracy. Missing momentum and energy due to…

Nuclear Theory · Physics 2015-06-26 Florian Weissbach , Kai Hencken , Daniela Rohe , Ingo Sick , Dirk Trautmann

We investigate the photon emission from the electrosphere of a quark star. It is shown that at temperatures $T\sim 0.1-1$ MeV the dominating mechanism is the bremsstrahlung due to bending of electron trajectories in the mean Coulomb field…

High Energy Physics - Phenomenology · Physics 2014-11-20 B. G. Zakharov

In plasmas, bremsstrahlung includes electron-ion (e-i) bremsstrahlung and electron-electron (e-e) bremsstrahlung. Bremsstrahlung radiation power loss is one of the most significant losses in fusion plasmas, which is more pronounced in…

Plasma Physics · Physics 2025-04-25 Chaotong Yang , Kai Li , Huasheng Xie

We consider graviton-induced Bremsstrahlung at future e^+e^- colliders in both the ADD and RS models, with emphasis on the photon perpendicular momentum and angular distribution. The photon spectrum is shown to be harder than in the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Trygve Buanes , Erik W. Dvergsnes , Per Osland

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

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

Recent developments in bremsstrahlung from electrons colliding with atoms and nuclei at energies between 0.1 MeV and 500 MeV are reviewed. Considered are cross sections differential in the photon degrees of freedom, including coincidence…

Atomic Physics · Physics 2021-03-11 D. H. Jakubassa-Amundsen

Some properties of the modified Bethe-Weizsacker mass formula (BWM) are discussed. As BWM has no shell effect included, the extra-stability or, magicity in nuclei clearly stands out when experimental mass data are compared with BWM…

Nuclear Theory · Physics 2007-05-23 C. Samanta , S. Adhikari

Helicity amplitudes and differential cross section of high-energy $e^+e^-$ photoproduction accompanied by bremsstrahlung in the electric field of a heavy atom are derived. The results are exact in the nuclear charge number and obtained in…

High Energy Physics - Phenomenology · Physics 2014-12-10 P. A. Krachkov , R. N. Lee , A. I. Milstein

We present a calculation of neutrino pair bremsstrahlung due to electron-electron scattering in a relativistic degenerate plasma of electrons. Proper treatment of the in-medium photon propagator, i.e., inclusion of Debye screening of the…

High Energy Physics - Phenomenology · Physics 2015-06-25 Prashanth Jaikumar , Charles Gale , Dany Page

We propose an exact formula for the energy radiated by an accelerating quark in N=2 superconformal theories in four dimensions. This formula reproduces the known Bremsstrahlung function for N=4 theories and provides a prediction for all the…

High Energy Physics - Theory · Physics 2016-03-02 Bartomeu Fiol , Efrat Gerchkovitz , Zohar Komargodski

Within a covariant effective one-boson exchange model for the $T$ matrix of $NN$ interactions we present detailed calculations of bremsstrahlung cross sections for proton - proton and proton - neutron reactions at beam energies in the 1 GeV…

Nuclear Theory · Physics 2008-11-26 V. V. Shklyar , B. Kämpfer , B. L. Reznik , A. I. Titov

We investigate the photon emission from the electrosphere of a quark star. It is shown that at temperatures T\sim 0.1-1 MeV the dominating mechanism is the bremsstrahlung due to bending of electron trajectories in the mean Coulomb field of…

High Energy Physics - Phenomenology · Physics 2011-03-02 B. G. Zakharov

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

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

This document sets out the intention of the strong-field QED community to carry out, both experimentally and numerically, high-statistics parametric studies of quantum electrodynamics in the non-perturbative regime, at fields approaching…

Using our previous approach to electromagnetic emission during tunneling, an explicit, essentially classical, formula describing the bremsstrahlung spectrum in alpha decay is derived. The role of tunneling motion in photon emission is…

Nuclear Theory · Physics 2009-10-31 M. I. Dyakonov

Bremsstrahlung radiation is an important energy loss mechanism for energetic electrons in plasmas. In this paper we investigate the effect of bremsstrahlung radiation reaction on the electron distribution in 2D momentum space. We show that…

Plasma Physics · Physics 2015-11-13 Ola Embréus , Adam Stahl , Sarah Newton , Gergely Papp , Eero Hirvijoki , Tünde Fülöp