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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

Medium-induced gluon radiation from massless and massive quarks is treated in the same formalism. The dead cone which regulates gluon radiation from massive quarks in the vacuum at small angles, is filled in the medium but constitutes a…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. Armesto , C. A. Salgado , U. A. Wiedemann

Using the approach derived by Caron-Huot and Gale from the BDMPS-Z formalism, we obtain medium-induced parton splitting rates in a Bjorken expanding QCD matter. We compare the rate with the case of a static medium and investigate the impact…

High Energy Physics - Phenomenology · Physics 2024-09-10 Ismail Soudi

We study the relation between the Baier-Dokshitzer-Mueller-Peigne-Schiff (BDMPS) and Zakharov formalisms for medium-induced gluon radiation off hard quarks, and the radiation off very few scattering centers. Based on the non-abelian Furry…

High Energy Physics - Phenomenology · Physics 2009-10-31 Urs Achim Wiedemann

I look at the renormalization of the medium structure function and a medium induced jet function in a factorized cross section for jet substructure observables in Heavy Ion collisions. This is based on the formalism developed in…

High Energy Physics - Phenomenology · Physics 2023-04-11 Varun Vaidya

In these proceedings contribution we review our recent results of medium modifications to the coherence pattern between the initial and final state radiation. We study single gluon production off a highly energetic parton that undergoes a…

High Energy Physics - Phenomenology · Physics 2014-08-26 Mauricio Martinez

We give a complete account of how soft gluon, massless quark, evolution equations in colour space originate, from a factorization into a hard cross section density operator and a soft function encoding measurements and the projection on…

High Energy Physics - Phenomenology · Physics 2023-08-02 Simon Plätzer

The higher-twist formalism is used at $O(\alpha^2_s)$ to compute all possible medium-induced single-scattering emission kernels for an incoming highly energetic and virtual quark traversing the nuclear environment. The effects of the…

High Energy Physics - Phenomenology · Physics 2026-05-13 Amit Kumar , Gojko Vujanovic

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

Inspired by the recent considerations of parton momentum broadening in the glasma phase, we study the medium-induced soft gluon radiation of jet partons at early times in heavy-ion collisions. The glasma state is assumed to be comprised of…

High Energy Physics - Phenomenology · Physics 2024-06-13 João Barata , Sigtryggur Hauksson , Xoán Mayo López , Andrey V. Sadofyev

We compute holographically the expectation value of the energy density sourced, in a strongly-coupled CFT, by a quark with large but finite mass (or equivalently, small but finite Compton radius) undergoing arbitrary motion. The resulting…

High Energy Physics - Theory · Physics 2014-06-18 Cesar A. Agon , Alberto Guijosa , Juan F. Pedraza

We study the contributions from radiation to $p_{\perp}$-broadening of a high energy parton traversing a QCD medium with a finite length $L$. The interaction between the parton and the medium is described by decorrelated static multiple…

High Energy Physics - Phenomenology · Physics 2015-03-18 Bin Wu

The modifications of the angular and transverse momentum distributions of quarks and gluons inside a parton shower due to the presence of a medium are studied within an analytical description that reduces to the modified leading logarithmic…

High Energy Physics - Phenomenology · Physics 2009-11-19 Nicolas Borghini

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

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

The medium induced energy loss spectrum of a high energy quark or gluon traversing a hot QCD medium of finite volume is studied. We model the interaction by a simple picture of static scattering centres. The total induced energy loss is…

High Energy Physics - Phenomenology · Physics 2008-11-26 R. Baier , Yu. L. Dokshitzer , A. H. Mueller , S. Peigné , D. Schiff

We calculate the total energy deposited into the medium per unit length by fast partons traversing a quark-gluon plasma. The medium excitation due to collisions is taken to be given by the well known expression for the collisional drag…

Nuclear Theory · Physics 2009-09-02 R. B. Neufeld , B. Muller

The goal of this paper is to extend the results of Ref. [1], where formulae were derived for gluonic radiation for a high energy nucleus colliding with a classical colored particle. In Ref. [1], we computed the amplitudes for radiation in…

High Energy Physics - Phenomenology · Physics 2020-03-18 K. Kajantie , Larry D. McLerran , Risto Paatelainen

The polarization of a surrounding QCD medium modifies the induced gluon radiation spectrum of a high-energy parton at small transverse momenta for a single interaction and for multiple scatterings as well. This effect is an analogue of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Kämpfer , O. P. Pavlenko

We study medium-modifications of the gluon splitting into a quark and anti-quark pair. Applying the Baier-Dokshitzer-Mueller-Peign\'e-Schiff and Zakharov (BDMPS-Z) formalism, we derive a path-integral formula for the in-medium $g\to q…

High Energy Physics - Phenomenology · Physics 2023-03-22 Sohyun Park