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Related papers: Gluon radiation inside a flowing medium

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We calculate the damping rate for transverse gluons with {\nineti finite} soft momentum to leading order in perturbative hot QCD. The internal momenta of the one-loop contributing diagrams are soft. This means we have to use effective…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Abada , O. Azi , A. Tadji

We present the results of an analytical calculation of the distribution of gluons in the state immediately following a heavy ion collision in the quasi-classical limit of QCD given by McLerran-Venugopalan model. We show that the typical…

High Energy Physics - Phenomenology · Physics 2009-11-07 Yuri V. Kovchegov

Collider experiments have recently measured the production cross section of hard jets separated by a rapidity gap as a function of transverse momentum and gap size. We show that these measurements reveal the relative frequencies for the…

High Energy Physics - Phenomenology · Physics 2009-10-30 O. J. P. Eboli , E. Gregores , F. Halzen

Order $\alpha_s$-corrections to the diffractive structure functions $F_L^D$ and $F_2^D$ at large $Q^2$ and small $x$ are evaluated in the semiclassical approach, where the initial proton is treated as a classical colour field. The…

High Energy Physics - Phenomenology · Physics 2009-02-20 W. Buchmuller , A. Hebecker , M. F. McDermott

A fluid-dynamic approach to charm-quark diffusion in the quark-gluon plasma (QGP) is developed for the first time. Results for integrated yields and momentum distributions of charmed hadrons obtained with a fluid-dynamic description for the…

High Energy Physics - Phenomenology · Physics 2024-01-17 Federica Capellino , Andrea Dubla , Stefan Floerchinger , Eduardo Grossi , Andreas Kirchner , Silvia Masciocchi

In this work, we obtain the leading corrections to the jet momentum broadening distribution in a QCD medium arising from the transverse flow of the matter. We first derive the single-particle propagator of a highly energetic parton…

High Energy Physics - Phenomenology · Physics 2022-11-01 Carlota Andres , Fabio Dominguez , Andrey V. Sadofyev , Carlos A. Salgado

The heavy quark drag and momentum diffusion coefficients in the presence of both the collisional and radiative processes have been studied in a hot viscous QCD medium. The thermal medium effects are incorporated by employing the effective…

High Energy Physics - Phenomenology · Physics 2021-08-18 Adiba Shaikh , Manu Kurian , Santosh K. Das , Vinod Chandra , Sadhana Dash , Basanta K. Nandi

We study the gluon parton densities [parton distribution functions (PDFs), transverse momentum distributions (TMDs), generalized parton distributions (GPDs)] and form factors in soft-wall AdS/QCD. We show that the power behavior of gluon…

High Energy Physics - Phenomenology · Physics 2021-05-18 Valery E. Lyubovitskij , Ivan Schmidt

We investigate the radiative break-up of a highly energetic quark or gluon in a high-temperature QCD plasma. Within an inertial range of momenta $T \ll \omega \ll E$, where $E$ denotes the energy of the original hard parton (jet) and $T$…

High Energy Physics - Phenomenology · Physics 2018-10-17 Yacine Mehtar-Tani , Soeren Schlichting

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

In this proceedings, we review our recent work on the heavy quark radiative energy loss in nuclei due to multiple parton scattering within the recently improved high-twist approach, where gauge invariance can be ensured by a delicate setup…

High Energy Physics - Phenomenology · Physics 2022-09-21 Yi-Lun Du

This study presents new insights into gluon transverse momentum distributions through nonextensive statistical mechanics, addressing their implications for QCD phenomenology. The saturation physics and scaling laws present in high energy…

High Energy Physics - Phenomenology · Physics 2025-01-10 Lucas Soster Moriggi , Magno Valerio Trindade Machado

We review the properties of energetic parton propagation in hot or cold QCD matter, as obtained in recent works. Advances in understanding the energy loss - collisional and radiative - are summarized, with emphasis on the latter: it…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. Baier , D. Schiff , B. G. Zakharov

We discuss heavy-quark dynamics in the quark-gluon plasma under a strong magnetic field induced by colliding nuclei. By the use of the diagrammatic resummation techniques for Hard Thermal Loop and the external magnetic field, we show…

High Energy Physics - Phenomenology · Physics 2016-11-03 Koichi Hattori , Kenji Fukushima , Ho-Ung Yee , Yi Yin

We obtain the general expression of the gluon propagator at finite temperature ($T$) and in a magnetic field ($B$), for the case that the four transverse tensor structures appear in the gluon self-energy. By using this expression and a…

High Energy Physics - Phenomenology · Physics 2018-02-07 Koichi Hattori , Daisuke Satow

In this paper we present solutions of evolution equations for inclusive distribution of gluons as produced by jet traversing quark-gluon plasma. We reformulate the original equations in such a form that the virtual and unresolved-real…

High Energy Physics - Phenomenology · Physics 2019-05-01 K. Kutak , W. Placzek , R. Straka

A fluid-dynamic approach to the diffusion of heavy quarks in the quark--gluon plasma (QGP) is presented. Specifically, we analyze the Fokker-Planck equation for the momentum transport of heavy quarks from a fluid perspective and use a…

Nuclear Theory · Physics 2022-08-31 F. Capellino , A. Beraudo , A. Dubla , S. Floerchinger , S. Masciocchi , J. Pawlowski , I. Selyuzhenkov

The energy evolution of average multiplicities and multiplicity fluctuations in jets produced in heavy-ion collisions is investigated from a toy QCD-inspired model. In this model, we use modified splitting functions accounting for…

High Energy Physics - Phenomenology · Physics 2009-08-05 Redamy Perez Ramos

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

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