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Related papers: The LPM effect in sequential bremsstrahlung

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The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. In this paper, we…

High Energy Physics - Phenomenology · Physics 2025-11-26 Peter Arnold , Han-Chih Chang , Shahin Iqbal

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. In this paper, we…

High Energy Physics - Phenomenology · Physics 2016-11-23 Peter Arnold , Han-Chih Chang , Shahin Iqbal

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. We continue study…

High Energy Physics - Phenomenology · Physics 2022-12-14 Peter Arnold , Tyler Gorda , Shahin Iqbal

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. We continue study…

High Energy Physics - Phenomenology · Physics 2022-04-27 Peter Arnold , Tyler Gorda , Shahin Iqbal

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. Of recent interest…

High Energy Physics - Phenomenology · Physics 2016-11-23 Peter Arnold , Han-Chih Chang , Shahin Iqbal

The splitting processes of bremsstrahlung and pair production in a medium are coherent over large distances in the very high energy limit, which leads to a suppression known as the Landau-Pomeranchuk-Migdal (LPM) effect. We continue study…

High Energy Physics - Phenomenology · Physics 2024-04-22 Peter Arnold , Shahin Iqbal

Consider the in-medium splitting $g \to gg$ of a very high-energy gluon traversing a QCD medium, accounting for the Landau-Pomeranchuk-Migdal (LPM) effect. It has been known for some time that soft radiative corrections to that splitting…

High Energy Physics - Phenomenology · Physics 2022-08-22 Peter Arnold , Tyler Gorda , Shahin Iqbal

Very high energy electrons initiate electromagnetic showers in ordinary matter that branch and multiply through bremsstrahlung and pair production. At extremely high energies, the quantum mechanical duration of these processes becomes…

High Energy Physics - Phenomenology · Physics 2025-09-01 Peter Arnold , Joshua Bautista , Omar Elgedawy , Shahin Iqbal

We give details of our study of whether high-energy gluon showers inside a QCD medium can be treated as a sequence of individual splitting processes $g \to gg$, or whether there is significant quantum overlap between where one splitting…

High Energy Physics - Phenomenology · Physics 2023-02-23 Peter Arnold , Omar Elgedawy , Shahin Iqbal

The bremsstrahlung of an electron and $e^{-}e^{+}$-pair creation by a photon in a medium is considered in high-energy region, where influence of the multiple scattering on the processes (the Landau-Pomeranchuk-Migdal (LPM) effect) becomes…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. N. Baier , V. M. Katkov

Bremsstrahlung of photons from highly relativistic electrons is investigated. The cross section of the processes, which is suppressed due to a multiple scattering of an emitting electron in dense media (LPM effect) and due to photon…

High Energy Physics - Phenomenology · Physics 2016-08-25 V. N. Baier , V. M. Katkov

The Landau, Pomeranchuk, Migdal (LPM) effect (suppression of the bremsstrahlung from high energy electron due to a multiple scattering of an emitting electron in dense media) is considered for the case when thickness of a target is of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. N. Baier , V. M. Katkov

The cross section of bremsstrahlung from high-energy electron suppressed due to the multiple scattering of an emitting electron in a dense media (the LPM effect) is discussed. Development of the LPM effect theory is outlined. For the target…

High Energy Physics - Phenomenology · Physics 2017-08-23 V. N. Baier , V. M. Katkov

We study whether in-medium showers of high-energy gluons can be treated as a sequence of individual splitting processes $g{\to}gg$, or whether there is significant quantum overlap between where one splitting ends and the next begins.…

High Energy Physics - Phenomenology · Physics 2023-07-31 Peter Arnold , Omar Elgedawy , Shahin Iqbal

The creation of electron-positron pair by a photon and the bremsstrahlung of an electron in a medium are considered in high-energy region, where influence of the multiple scattering on the processes (the Landau-Pomeranchuk-Migdal (LPM)…

High Energy Physics - Phenomenology · Physics 2009-10-31 V. N. Baier , V. M. Katkov

Previous authors have considered the problem of the medium effects on single gluon bremsstrahlung associated with producing a high-energy particle in a finite, time-dependent QCD plasma. Working to leading logarithmic order, I show that the…

High Energy Physics - Phenomenology · Physics 2009-11-06 Peter Arnold

We study whether in-medium showers of high-energy quarks and gluons can be treated as a sequence of individual splitting processes or whether there is significant quantum overlap between where one splitting ends and the next begins.…

High Energy Physics - Phenomenology · Physics 2025-01-28 Peter Arnold , Omar Elgedawy , Shahin Iqbal

A particle produced in a hard collision can lose energy through bremsstrahlung. It has long been of interest to calculate the effect on bremsstrahlung if the particle is produced inside a finite-size QCD medium such as a quark-gluon plasma.…

Nuclear Theory · Physics 2009-09-02 Peter Arnold

Ultra-relativistic electrons initiate electromagnetic showers in ordinary matter that evolve through bremsstrahlung and pair production. At very high energy, the quantum mechanical duration of bremsstrahlung becomes longer than the mean…

High Energy Physics - Phenomenology · Physics 2026-05-06 Peter Arnold , Joshua Bautista , Omar Elgedawy , Shahin Iqbal

The theory of bremsstrahlung $e \to e\gamma$ by extremely high energy electrons passing through ordinary matter has been qualitatively incomplete. We revisit the suppression of bremsstrahlung by the Landau-Pomeranchuk-Migdal (LPM) effect,…

High Energy Physics - Phenomenology · Physics 2026-05-08 Peter Arnold , Joshua Bautista , Omar Elgedawy , Shahin Iqbal
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