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New measurements of jet quenching observables at RHIC and at the LHC, such as jet substructure observables, demand an increased precision in the theory calculations describing medium-induced radiation of gluons. Closed expressions for the…

High Energy Physics - Phenomenology · Physics 2021-09-15 Carlota Andres , Liliana Apolinario , Fabio Dominguez

A proper understanding of the physics of medium-induced gluon emissions is known to be of critical importance to describe the properties of strongly interacting matter under extreme conditions. In this regard, many theoretical efforts have…

High Energy Physics - Phenomenology · Physics 2021-03-11 Carlota Andres , Fabio Dominguez , Marcos Gonzalez Martinez

Over the past years, there has been a sustained effort to systematically enhance our understanding of medium-induced emissions occurring in the quark-gluon plasma, driven by the ultimate goal of advancing our comprehension of jet quenching…

High Energy Physics - Phenomenology · Physics 2024-11-18 Carlota Andres , Liliana Apolinário , Fabio Dominguez , Marcos Gonzalez Martinez

The spectrum of coherent gluon radiation from a quark-anti-quark pair experiencing multiple scatterings within a coloured medium is central for understanding in-medium parton cascades. Despite its foundational importance, current results…

In this work we disentangle the underlying physical picture of the in-medium gluon radiation process across its different energy regimes by comparing the recently obtained fully-resummed -- without any further approximations -- BDMPS-Z…

High Energy Physics - Phenomenology · Physics 2022-09-14 Carlota Andres , Fabio Dominguez , Marcos Gonzalez Martinez

We present a derivation of the medium-induced gluon radiation spectrum beyond the current limitation of soft gluon emission. Making use of the path integral approach to describe the propagation of high-energy particles inside a medium, we…

High Energy Physics - Phenomenology · Physics 2012-11-08 Liliana Apolinário , Néstor Armesto , Carlos A. Salgado

We study the medium-induced gluon emission from a hard quark jet traversing the dense nuclear matter within the framework of deep inelastic scattering off a large nucleus. We extend the previous work and compute the single gluon emission…

Nuclear Theory · Physics 2018-09-26 Le Zhang , De-Fu Hou , Guang-You Qin

We calculate the spectrum of gluons sourced by the branching of an energetic quark in the presence of an inhomogeneous QCD medium, focusing on the soft radiation limit. We take into account multiple soft interactions between the partons and…

High Energy Physics - Phenomenology · Physics 2024-02-06 João Barata , Xoán Mayo López , Andrey V. Sadofyev , Carlos A. Salgado

We revisit the picture of jets propagating in the quark-gluon plasma. In addition to vacuum radiation, partons scatter on the medium constituents resulting in induced emissions. Analytical approaches to including these interactions have…

High Energy Physics - Phenomenology · Physics 2023-02-28 Johannes Hamre Isaksen , Adam Takacs , Konrad Tywoniuk

The energy loss of hard jets produced in the Deep-Inelastic scattering (DIS) off a large nucleus is considered in the collinear limit. In particular, the single gluon emission cross section due to multiple scattering in the medium is…

Nuclear Theory · Physics 2013-05-30 Abhijit Majumder

We revisit the calculation of the medium-induced gluon spectrum in a finite QCD and develop a new approach that goes beyond multiple soft scattering approximation. We show by expanding around the harmonic oscillator that the first two…

High Energy Physics - Phenomenology · Physics 2019-09-04 Yacine Mehtar-Tani

Medium modifications of parton fragmentation provide a novel tomographic tool for the study of the hot and dense matter created in ultrarelativistic nucleus-nucleus collisions. Their quantitative analysis, however, is complicated by the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Carlos A. Salgado , Urs Achim Wiedemann

We study the evolution of an energetic jet which radiates gluons while propagating through a dense QCD medium modeled as a random distribution of color sources. Motivated by the heavy ion experimental program at the LHC, we focus on the…

High Energy Physics - Phenomenology · Physics 2015-06-11 Jean-Paul Blaizot , Fabio Dominguez , Edmond Iancu , Yacine Mehtar-Tani

In this work we improve existing calculations of radiative energy loss by computing corrections that implement energy-momentum conservation, previously only implemented a posteriori, in a rigorous way. Using the path-integral formalism, we…

High Energy Physics - Phenomenology · Physics 2014-07-30 Liliana Apolinário , Néstor Armesto , Guilherme Milhano , Carlos A. Salgado

We compute the spectrum of gluons emitted by a highly energetic quark inside a flowing QCD medium, focusing on the soft gluon limit at first order in the opacity expansion. Specifically, we derive the leading energy-suppressed corrections…

High Energy Physics - Phenomenology · Physics 2024-06-24 Matvey V. Kuzmin , Xoán Mayo López

We derive the medium-induced, coherent gluon radiation spectrum associated with the hard forward scattering of an energetic parton off a nucleus, in the saturation formalism and within the Gaussian approximation for the relevant correlators…

High Energy Physics - Phenomenology · Physics 2017-01-18 Stéphane Munier , Stéphane Peigné , Elena Petreska

Considering forward dijet production in the $q\to qg$ partonic process, we derive the spectrum of accompanying soft gluon radiation induced by rescatterings in a nuclear target. The spectrum is obtained to logarithmic accuracy for an…

High Energy Physics - Phenomenology · Physics 2014-05-19 Stéphane Peigné , Rodion Kolevatov

In this brief review, I summarize the new developments on the description of gluon radiation by energetic quarks traversing a medium as well as the observable consequences in high-energy heavy ion collisions. Information about the initial…

High Energy Physics - Phenomenology · Physics 2009-11-10 C. A. Salgado

Medium-induced gluon radiation is usually identified as the dominant dynamical mechanism underling the {\it jet quenching} phenomenon observed in heavy-ion collisions. In its actual implementation, multiple medium-induced gluon emissions…

High Energy Physics - Phenomenology · Physics 2010-03-25 N. Armesto , L. Cunqueiro , C. A. Salgado , W. -C. Xiang

We report on recent calculations of the medium-induced gluon radiation off hard partons. The employed path-integral formalism reduces in limiting cases to the main ``jet quenching'' results of the existing literature. Moreover, it describes…

High Energy Physics - Phenomenology · Physics 2009-11-07 Urs Achim Wiedemann
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