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Related papers: Calculating the jet-quenching parameter in STU bac…

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A number of recent papers have applied the AdS/CFT correspondence to a strong-coupling calculation of the medium-induced radiative parton energy loss in nucleus-nucleus collisions at RHIC. The predicted value of the "jet quenching…

High Energy Physics - Theory · Physics 2007-05-23 Justin F. Vazquez-Poritz

We use the observed jet boundary transition from parabolic to conical shape, which was earlier discovered as possibly a common effect in active galactic nuclei, to estimate a black hole, a jet and an ambient medium parameters. We explained…

High Energy Astrophysical Phenomena · Physics 2020-09-23 E. E. Nokhrina , Y. Y. Kovalev , A. B. Pushkarev

The leading order $\alpha_s$ effect in jet quenching corresponds to the broadening of the jet's transverse momentum, due to the multiple interactions with the underlying medium. A complete understanding of momentum broadening is critical…

High Energy Physics - Phenomenology · Physics 2021-10-07 João Barata , Carlos A. Salgado

We present a framework where first principles calculations of jet modification may be carried out in a non-perturbative thermal environment. As an example of this approach, we compute the leading order contribution to the transverse…

Nuclear Theory · Physics 2013-03-27 Abhijit Majumder

Due to the dynamical, real-time, nature of the phenomenon, the study of jet quenching via lattice QCD simulations is not straightforward. In this contribution, however, we show how one can extract information about the momentum broadening…

High Energy Physics - Lattice · Physics 2014-12-08 Marco Panero , Kari Rummukainen , Andreas Schäfer

We propose a hybrid model for medium-induced parton energy loss, in which the hard scales in the process are treated perturbatively, while the soft scales which involve strong coupling dynamics are modeled by AdS/CFT calculations. After…

High Energy Physics - Phenomenology · Physics 2010-03-02 C. Marquet , T. Renk

In this paper we consider a quark moving in D=5, ${\mathcal{N}}=2$ supergravity thermal plasma. By using three charge non-extremal black hole solution (STU solution) we calculate drag force on the quark and diffusion constant from $AdS$/CFT…

High Energy Physics - Theory · Physics 2009-07-22 J. Sadeghi , M. R. Setare , B. Pourhassan , S. Hashmatian

We employ the string/gauge theory correspondence to study properties of strongly coupled quark-gluon plasmas in thermal gauge theories with a large number of colors and flavors. In particular, we analyze non-critical string duals of…

High Energy Physics - Theory · Physics 2008-11-26 G. Bertoldi , F. Bigazzi , A. L. Cotrone , Jose D. Edelstein

Using gauge/gravity duality, we compute jet quenching parameter in confined and deconfined phases of noncommutative Sakai-Sugimoto model. In the confined phase jet quenching parameter is zero and noncommutativity does not affect it. In…

High Energy Physics - Theory · Physics 2011-04-27 M. Ali-Akbari

The phenomenon of jet supression observed in highly energetic heavy ion collisions is discussed. The focus is devoted to the stunning applications of the AdS/CFT correspondence to describe these real time processes, hard to be illuminated…

High Energy Physics - Theory · Physics 2008-11-26 Jose D. Edelstein , Carlos A. Salgado

In this paper, we investigate the heavy quark potential and the jet quenching parameter in a system with Lifshitz and hyperscaling violation exponents, by using the AdS/CFT correspondence. It is shown that the heavy quark potential and the…

High Energy Physics - Theory · Physics 2022-10-26 M. Kioumarsipour , J. Sadeghi

In this paper, we employ the gauge/gravity duality to study jet quenching (JQ) phenomena in the quark-gluon plasma. For this purpose, we implement holographic QCD models constructed from an Einstein-Maxwell-dilaton gravity at finite…

High Energy Physics - Theory · Physics 2026-01-01 Irina Ya. Aref'eva , Ali Hajilou , Alexander Nikolaev , Pavel Slepov

We study the effect of chemical potential and nonconformality on the jet quenching parameter in a holographic QCD model with conformal invariance broken by a background dilaton. It turns out that the presence of chemical potential and…

Nuclear Theory · Physics 2020-06-26 Xiangrong Zhu , Zi-qiang Zhang

We study the non-linear propagation of radiation in {\cal N=4} SYM at zero and finite temperature using the refined radius/scale duality in AdS/CFT. We argue that a pulse radiation by a quark at the boundary should be described…

High Energy Physics - Theory · Physics 2009-11-10 Sang-Jin Sin , Ismail Zahed

In this paper we consider the drag force problem in the STU model. Already this problem and related topics were studied in ${\mathcal N}=4$ SYM theory. Here we study the same problem in ${\mathcal N}=2$ supergravity theory with an R-charge…

High Energy Physics - Theory · Physics 2015-05-13 J. Sadeghi , M. R. Setare , B. Pourhassan

Previous top-down studies of jet stopping in strongly-coupled QCD-like plasmas with gravity duals have been in the infinite 't Hooft coupling limit lambda -> infinity. They have found that, though a wide range of jet stopping distances are…

High Energy Physics - Theory · Physics 2015-06-04 Peter Arnold , Phillip Szepietowski , Diana Vaman

We explore phenomenological signatures of light quark jet quenching within the AdS/CFT correspondence. Numerical studies of the instantaneous energy loss of light quarks, modeled as falling strings, suggest a linear path dependence. We…

High Energy Physics - Phenomenology · Physics 2015-06-11 Andrej Ficnar , Jorge Noronha , Miklos Gyulassy

We have calculated the quenching parameter, $\hat{q}$ in a model-independent way using the gauge-gravity duality. In earlier calculations, the geometry in the gravity side at finite temperature was usually taken as the pure AdS blackhole…

High Energy Physics - Theory · Physics 2016-06-07 Binoy Krishna Patra , Bhaskar Arya

Jet quenching has become a fundamental tool to study the hot QCD matter produced in heavy ion collisions. While important theoretical and experimental advances have been made in the last two decades, the extraction of the medium properties…

High Energy Physics - Phenomenology · Physics 2020-07-30 Xabier Feal

We compute the momentum broadening of an energetic parton as it moves through strongly interacting matter, using the gravity dual of a non conformal gauge theory with matter in the fundamental representation. Our approach defines a family…

High Energy Physics - Phenomenology · Physics 2009-11-18 Mohammed Mia , Charles Gale