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相关论文: Enhancing the Jet Quenching Parameter from Margina…

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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…

高能物理 - 唯象学 · 物理学 2008-11-26 Hong Liu , Krishna Rajagopal , Urs Achim Wiedemann

Following a recent proposal, we employ the AdS/CFT correspondence to compute the jet quenching parameter for N=4 Yang-Mills theory at nonzero R-charge densities. Using as dual supergravity backgrounds non-extremal rotating branes, we find…

高能物理 - 理论 · 物理学 2010-10-27 Spyros D. Avramis , Konstadinos Sfetsos

We derive the quadratic action of the fluctuations around the classical world sheet underlying the jet quenching from AdS/CFT. After obtaining the correspondence partition function, the expansion of the jet quenching parameter of $\mathcal…

高能物理 - 理论 · 物理学 2013-08-29 Zi-qiang Zhang , Defu Hou , Hai-cang Ren

We review some recent applications of the AdS/CFT correspondence to heavy ion collisions including a calculation of the jet quenching parameter in N=4 super-Yang-Mills theory and quarkonium suppression from velocity scaling of the screening…

高能物理 - 唯象学 · 物理学 2008-11-26 Hong Liu

We calculate the jet quenching parameter in medium with chemical potential from AdS/CFT correspondence. Our result is summarized in a plot. Moreover, we extract the explicit form of the jet quenching parameter of medium with small chemical…

高能物理 - 理论 · 物理学 2008-11-26 Feng-Li Lin , Toshihiro Matsuo

Medium modification of jet fragmentation functions and parton energy loss in cold and hot matter are reviewed. The predicted nuclear modification of the jet fragmentation function agrees well with the recent HERMES data with a resultant…

高能物理 - 唯象学 · 物理学 2014-11-17 Xin-Nian Wang

We use the AdS/CFT correspondence to determine the rate of energy loss of a heavy quark moving through N=4 SU(N_c) supersymmetric Yang-Mills plasma at large 't Hooft coupling. Using the dual description of the quark as a classical string…

高能物理 - 理论 · 物理学 2009-11-11 C. P. Herzog , A. Karch , P. Kovtun , C. Kozcaz , L. G. Yaffe

Concept of transverse deflection probability of a parton that travels through strongly interacting medium, recently introduced by D'Eramo, Liu and Rajagopal, have been used to derive high energy evolution equation for the jet quenching…

高能物理 - 唯象学 · 物理学 2018-02-07 Raktim Abir

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…

高能物理 - 唯象学 · 物理学 2010-03-02 C. Marquet , T. Renk

The striking suppression and modification patterns that are observed in jet observables measured in heavy-ion collisions with respect to the proton-proton baseline have the potential to constrain the spatio-temporal branching process of…

高能物理 - 唯象学 · 物理学 2018-08-16 Konrad Tywoniuk , Yacine Mehtar-Tani

Recent observation of high-$p_T$ hadron spectra suppression and mono-jet production in central $Au+Au$ collisions and their absence in $d+Au$ collisions at RHIC have confirmed the long predicted phenomenon of jet quenching in high-energy…

核理论 · 物理学 2009-11-10 Xin-Nian Wang

The final state energy loss of fast partons penetrating a longitudinally expanding quark-gluon plasma of effective gluon rapidity density $dN^{g}/dy=650-800$ is evaluated and incorporated together with the multiple initial state Cronin…

核理论 · 物理学 2008-11-26 Ivan Vitev

Using the AdS/CFT correspondence, we compute the medium-induced energy loss of a decelerating heavy quark moving through a strongly-coupled supersymmetric Yang Mills plasma. In the regime where the deceleration is small, a perturbative…

高能物理 - 唯象学 · 物理学 2009-11-18 C. Marquet , G. Beuf , B. -W. Xiao

Jet quenching is studied in a background magnetic field and a finite baryon chemical potential. The production of energetic partons is calculated using the next-to-leading order (NLO) perturbative Quantum Chromodynamics (pQCD) parton model,…

高能物理 - 唯象学 · 物理学 2025-09-30 Liqiang Zhu , Zhan Gao , Weiyao Ke , Hanzhong Zhang

The AdS/CFT correspondence and a classical test string approximation are used to calculate the drag force on an external quark moving in a thermal plasma of N=4 super-Yang-Mills theory. This computation is motivated by the phenomenon of…

高能物理 - 理论 · 物理学 2008-11-26 Steven S. Gubser

A calculation of the $R^2$ corrections to the jet quenching parameter from AdS/CFT correspondence is presented. These corrections are related to curvature-squared corrections in the corresponding gravity dual. It is shown that the…

高能物理 - 唯象学 · 物理学 2016-07-15 Zi-qiang Zhang , De-fu Hou , Yan Wu , Gang Chen

I use the holographic gauge/gravity duality to systematically calculate the jet quenching parameters in strongly coupled anisotropic plasmas in the presence of external magnetic fields. The magnetic field breaks down spatial rotation…

高能物理 - 唯象学 · 物理学 2020-08-11 Romulo Rougemont

In this work, we study the jet quenching parameter ${\hat q}$ by using a background field effective theory. Particular attention is paid to its behavior near the critical temperature where nonperturbative effects induced by the deconfining…

高能物理 - 唯象学 · 物理学 2026-03-27 Haibo Ren , Qianqian Du , Yun Guo

Jet quenching parameter $\hat{q}$ is essential for characterizing the interaction strength between jet partons and nuclear matter. Based on the quark-meson (QM) model, we develop a new framework for calculating $\hat{q}$ at finite chemical…

核理论 · 物理学 2024-04-11 Jing Wu , Shanshan Cao , Feng Li

There has been recent progress on computing real-time equilibrium 3-point functions in finite-temperature strongly-coupled N=4 super Yang-Mills (SYM). In this paper, we show an example of how to carry out a similar analysis for a 4-point…

高能物理 - 理论 · 物理学 2015-05-30 Peter Arnold , Diana Vaman
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