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Jet quenching and more generally physics at high transverse momentum P_T scales is a cornerstone of the heavy-ion physics program at the LHC. In this work, the current understanding of jet quenching in terms of a QCD shower evolution being…

High Energy Physics - Phenomenology · Physics 2015-06-17 Thorsten Renk

In this conference contribution, we discuss the influence of gluon-bremsstrahlung damping in hot, absorptive QCD matter on the heavy-quark radiation spectra. Within our Monte-Carlo implementation for the description of the heavy-quark…

High Energy Physics - Phenomenology · Physics 2015-06-15 M. Nahrgang , M. Bluhm , P. B. Gossiaux , J. Aichelin

After a discussion on the meaning of "jets" in the context of nucleus-nucleus collisions, the distortions of the profile of a parton shower induced by the presence of a medium is investigated in a QCD-inspired model that implements the…

High Energy Physics - Phenomenology · Physics 2014-11-18 Nicolas Borghini

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

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 review recent theoretical developments in understanding the intermittency phenomenon observed in high-energy leptonic, hadronic and nuclear collisions. In particular, we discuss self-similar cascading and QCD parton showers, models with…

High Energy Physics - Phenomenology · Physics 2009-10-22 Ina Sarcevic

Jet quenching studies play a prominent role in our current understanding of ultra-relativistic heavy ion collisions. In this review I first present the available formalism to compute medium-induced gluon radiation. Then I discuss its effect…

High Energy Physics - Phenomenology · Physics 2007-05-23 N. Armesto

It is the central goal of our studies to describe parton fragmentation in the hot and dense medium of a quark gluon plasma (QGP). Under the assumption that the medium is not static and homogeneous, knowledge about the temporal evolution of…

High Energy Physics - Phenomenology · Physics 2015-10-20 Rohrmoser Martin , Gossiaux Pol-Bernard , Gousset Thierry , Aichelin Jörg

I examine the regime of forward scattering of an energetic particle in a Plasma medium in thermal equilibrium. Treating the particle as an open quantum system interacting with a bath, I look at the time evolution of the reduced density…

High Energy Physics - Phenomenology · Physics 2021-01-08 Varun Vaidya

Within of the framework of semiclassical approximation a general formalism for deriving an effective current generating bremsstrahlung of arbitrary number of soft gluons (longitudinal or transverse ones) in scattering of higher-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu. A. Markov , M. A. Markova , A. N. Vall

The modification and amplification of the gluon angular distribution produced along with hard jets in nuclear collisions is computed. We consider the limit of a thin quark-gluon plasma, where the number of rescatterings of the jet and…

High Energy Physics - Phenomenology · Physics 2009-10-09 Miklos Gyulassy , Peter Levai , Ivan Vitev

The new precision era of jet quenching observables at both RHIC and the LHC calls for an improved and more precise description of in-medium gluon emissions. The development of new theoretical tools and analytical calculations to tackle this…

High Energy Physics - Phenomenology · Physics 2020-07-22 Carlota Andres , Liliana Apolinário , Fabio Dominguez

We present hadron-level predictions from the Monte Carlo generator Cascade and parton level calculations of open b quark, b-flavored hadron and inclusive b-jet production in the framework of the kt-factorization QCD approach for the LHC…

High Energy Physics - Phenomenology · Physics 2013-02-11 H. Jung , M. Kraemer , A. V. Lipatov , N. P. Zotov

Parton propagation in dense nuclear matter results in elastic, inelastic and coherent multiple soft scattering with the in-medium color charges. Such scattering leads to calculable modifications of the hadron production cross section that…

High Energy Physics - Phenomenology · Physics 2015-06-25 Ivan Vitev

The evolution of light pulses and beams in a quasi-phase-matched (QPM) quadratic medium is usually described by considering only the spatial harmonic of the QPM grating that minimizes the residual phase-mismatch. I show that, for strongly…

Optics · Physics 2015-06-18 Matteo Conforti

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

High Energy Physics - Phenomenology · Physics 2009-09-24 Redamy Perez Ramos

We derive the in-medium gluon radiation spectrum off a quark within the path integral formalism at finite energies, including all next-to-eikonal corrections in the propagators of quarks and gluons. Results are computed for finite formation…

High Energy Physics - Phenomenology · Physics 2015-02-25 Liliana Apolinário , Néstor Armesto , José Guilherme Milhano , Carlos A. Salgado

There exist full leading-order-in-alpha_s numerical calculations of the rates for massless quarks and gluons to split and join in the background of a quark-gluon plasma through hard, nearly collinear bremsstrahlung and inverse…

High Energy Physics - Phenomenology · Physics 2009-02-20 Peter Arnold , Caglar Dogan

We present a study of the transverse size of parton showers and their diminishing interaction with the medium in the high virtuality stage of jet evolution. We consider the process of a hard quark produced in deep inelastic scattering off a…

High Energy Physics - Phenomenology · Physics 2025-01-15 Amit Kumar , Abhijit Majumder , Chathuranga Sirimanna , Yasuki Tachibana

The recent discovery of the potential of jet quenching observables to constrain the initial stages after a heavy-ion collision makes imperative to have a better understanding of the process of medium-induced radiation before the formation…

High Energy Physics - Phenomenology · Physics 2023-03-29 Carlota Andres , Liliana Apolinário , Fabio Dominguez , Marcos Gonzalez Martinez , Carlos A. Salgado