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Related papers: Holographic study on the jet quenching parameter i…

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In the framework of Soft-Collinear Effective Theory, the jet quenching parameter, $\hat{q}$, has been evaluated by adding the effect of Glauber gluon interactions to the propagation of a highly-energetic collinear parton in a medium. The…

High Energy Physics - Phenomenology · Physics 2015-06-11 Michael Benzke , Nora Brambilla , Miguel Angel Escobedo , Antonio Vairo

This contribution discusses the geometric tomography by highly energetic jets penetrating the hot QCD matter in heavy ion collisions from RHIC to LHC energies. In particular the geometric data on the azimuthal anisotropy of high $p_t$…

Nuclear Theory · Physics 2015-05-30 Jinfeng Liao

We employ methods of gauge/string duality to analyze the drag force on a heavy quark moving through a strongly coupled, anisotropic \mathcal{N}=4, SU(N) super Yang- Mills plasma in the presence of a finite U(1) chemical potential. We…

High Energy Physics - Theory · Physics 2015-02-02 Somdeb Chakraborty , Najmul Haque

A family of spherically symmetric solutions in the model with m-component anisotropic fluid is considered. The metric of the solution depends on parameters q_s, s = 1,...,m, relating radial pressures and the densities and contains (n -1)m…

General Relativity and Quantum Cosmology · Physics 2008-12-18 H. Dehnen , V. D. Ivashchuk

We add to the lore of spherical, stellar-system models a two-parameter family with an anisotropic velocity dispersion, and a central point mass (``black hole''). The ratio of the tangential to radial dispersions, is constant--and…

Astrophysics · Physics 2009-10-28 Mordehai Milgrom

We explore the far from equilibrium response of a holographic superfluid using the AdS/CFT correspondence. We establish the dynamical phase diagram corresponding to quantum quenches of the order parameter source field. We find three…

High Energy Physics - Theory · Physics 2015-06-05 M. J. Bhaseen , Jerome P. Gauntlett , B. D. Simons , Julian Sonner , Toby Wiseman

Models of medium-induced radiative parton energy loss account for the strong suppression of high-pT hadron spectra in $\sqrt{s_{NN}}=200$ GeV Au-Au collisions at RHIC in terms of a single "jet quenching parameter'' $\hat q$. The available…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hong Liu , Krishna Rajagopal , Urs Achim Wiedemann

The oscillatory flow through tapered cylindrical tube sections (jet pumps) is characterized by a numerical parameter study. The shape of a jet pump results in asymmetric hydrodynamic end effects which cause a time-averaged pressure drop to…

Fluid Dynamics · Physics 2015-10-09 Joris P. Oosterhuis , Simon Bühler , Douglas Wilcox , Theo H. van der Meer

We analyze the polarization of optically thin, stationary, axisymmetric black hole jets at scales of order the light cylinder radius. Our work generalizes the face-on results of Gelles et al. (2025) to arbitrary viewing inclination. Due to…

High Energy Astrophysical Phenomena · Physics 2026-01-21 Zachary Gelles , Andrew Chael , Eliot Quataert

The central goal of jet quenching studies in high-energy nuclear collisions is the characterization of those QCD medium properties that are accessible by these probes. Most of the discussion in the last years has been focused on the…

High Energy Physics - Phenomenology · Physics 2016-09-02 Carlota Andrés , Néstor Armesto , Matthew Luzum , Carlos A. Salgado , Pía Zurita

Quasars with flat radio spectra and one-sided, arc-second scale, ~100 mJy GHz radio jets are found to have similar scale X-ray jets in about 60% of such objects, even in short 5 to 10 ks Chandra observations. Jets emit in the GHz band via…

High Energy Astrophysical Phenomena · Physics 2020-03-04 Daniel A. Schwartz

We discuss the characteristics of collective modes induced by relativistic jets in an anisotropic quark-gluon plasma(AQGP). Assuming a tsunami-like initial jet distribution, it is found that the dispersion relations for both the stable and…

High Energy Physics - Phenomenology · Physics 2012-04-16 Mahatsab Mandal , Pradip Roy

The jet shape modification due to partonic energy loss in the dense QCD matter is investigated by the help of the special transverse energy-energy correlator in the vicinity of maximum energy deposition of every event. In the accepted…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. P. Lokhtin , S. V. Petrushanko , L. I. Sarycheva , A. M. Snigirev

In this work, we investigate the Schwinger effect in a twice anisotropic holographic QCD model that incorporates both spatial and magnetic anisotropies. Using the AdS/CFT correspondence, we calculate the total potential of a…

High Energy Physics - Phenomenology · Physics 2025-06-25 Wen-Bin Chang

We demonstrate that jet observables are highly sensitive to the characteristics of the vacuum and the in-medium QCD parton showers and propose techniques that exploit this sensitivity to constrain the mechanism of quark and gluon energy…

High Energy Physics - Phenomenology · Physics 2010-04-08 Ivan Vitev , Ben-Wei Zhang

We present a multi-stage model for jet evolution through a quark-gluon plasma within the JETSCAPE framework. The multi-stage approach in JETSCAPE provides a unified description of distinct phases in jet shower contingent on the virtuality.…

We investigate jet quenching of virtual gluons and thermalization of a strongly-coupled plasma with a non-zero chemical potential via the gauge/gravity duality. By tracking a charged shell falling in an asymptotic AdS$_{d+1}$ background for…

High Energy Physics - Theory · Physics 2014-01-08 Elena Caceres , Arnab Kundu , Di-Lun Yang

[Background:] A significant quenching of high energy jets was observed in the heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) facility, and is now confirmed at the Large Hadron Collider (LHC) facility. The RHIC plus LHC…

Nuclear Theory · Physics 2014-02-05 Xilin Zhang , Jinfeng Liao

We present numerical simulations of the SU(2) Boltzmann-Vlasov equation including both hard elastic particle collisions and soft interactions mediated by classical Yang-Mills fields. We provide an estimate of the coupling of jets to a hot…

High Energy Physics - Phenomenology · Physics 2008-11-26 Bjoern Schenke , Adrian Dumitru , Yasushi Nara , Michael Strickland

The influence of the damping of radiation on the radiative energy loss spectrum of a relativistic charge in an infinite, absorptive plasma is studied. We find increasing reduction of the spectrum with increasing damping. Our studies, which…

High Energy Physics - Phenomenology · Physics 2012-01-10 Marcus Bluhm , Pol Bernard Gossiaux , Joerg Aichelin