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Related papers: The LPM effect in sequential bremsstrahlung: gluon…

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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

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

Inside a medium, showers originating from a very high energy particle develop via medium-induced splitting processes such as bremsstrahlung and pair production. During shower development, two consecutive splittings sometimes overlap quantum…

High Energy Physics - Phenomenology · Physics 2025-01-27 Peter Arnold , Omar Elgedawy , Shahin Iqbal

An important question concerning in-medium high-energy parton showers in a quark-gluon plasma or other QCD medium is whether consecutive splittings of the partons in a given shower can be treated as quantum mechanically independent, or…

High Energy Physics - Phenomenology · Physics 2023-03-02 Peter Arnold , Omar Elgedawy

Inside a medium, showers originating from a very high-energy particle may develop via medium-induced splitting processes such as hard bremsstrahlung or pair production. During shower development, two consecutive splittings sometimes overlap…

High Energy Physics - Phenomenology · Physics 2025-01-27 Peter Arnold , Omar Elgedawy , 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 analyze the case…

High Energy Physics - Phenomenology · Physics 2016-10-20 Peter Arnold , 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. 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 2024-04-22 Peter Arnold , 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 2025-11-26 Peter Arnold , Han-Chih Chang , Shahin Iqbal

The description of the in-medium modifications of partonic showers has been at the forefront of current theoretical and experimental efforts in heavy-ion collisions. It provides a unique laboratory to extend our knowledge frontier of the…

High Energy Physics - Phenomenology · Physics 2017-03-08 Liliana Apolinário

Consider a high-energy parton showering as it traverses a QCD medium such as a quark-gluon plasma. Interference effects between successive splittings in the shower are potentially very important but have so far been calculated (even in…

High Energy Physics - Phenomenology · Physics 2023-03-02 Peter Arnold

A powerful historical insight about the theory of in-medium showering in QCD backgrounds was that splitting rates can be related to a parameter $\hat q$ that characterizes the rate of transverse-momentum kicks to a high-energy particle from…

High Energy Physics - Phenomenology · Physics 2025-06-23 Peter Arnold

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

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

High-energy partons ($E \gg T$) traveling through a quark-gluon plasma lose energy by splitting via bremsstrahlung and pair production. Regardless of whether or not the quark-gluon plasma itself is strongly coupled, an important question…

High Energy Physics - Phenomenology · Physics 2019-05-22 Peter Arnold , Shahin Iqbal , Tanner Rase

The presence of a hot and dense medium, produced in ultra-relativistic heavy-ion collisions, is known to modify the parton shower evolution. Several observations of the resulting intra-jet activity show significant modifications of what can…

High Energy Physics - Phenomenology · Physics 2020-03-02 Liliana Apolinário

Ultra-relativistic heavy-ion collisions are a window of opportunity to study QCD matter under extreme conditions of temperature and density, such as the quark-gluon plasma. Among the several possibilities, the study of jet quenching -…

High Energy Physics - Phenomenology · Physics 2015-05-26 Liliana Apolinário , Néstor Armesto , Guilherme Milhano , Carlos A. Salgado

We study the fragmentation of a jet propagating in a dense quark-gluon plasma. Using a leading, double-logarithmic approximation in perturbative QCD, we compute for the first time the effects of the medium on the vacuum-like emissions. We…

High Energy Physics - Phenomenology · Physics 2018-06-13 P. Caucal , E. Iancu , A. H. Mueller , G. Soyez

We study the fragmentation of a jet propagating in a dense quark-gluon plasma. Using a leading, double-logarithmic approximation in perturbative QCD, we compute for the first time the effects of the medium on the vacuum-like emissions. We…

High Energy Physics - Phenomenology · Physics 2018-11-30 Paul Caucal , Edmond Iancu , Alfred H. Mueller , Gregory Soyez
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