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Related papers: Quarkonium dissociation by anisotropy

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Using the gauge/gravity duality we calculate the heavy quark-antiquark potential in a hot, anisotropic and strongly coupled Yang-Mills plasma in (3+1)-dimensions. As the anisotropic medium we take a deformed version of \mathcal{N} = 4 super…

High Energy Physics - Theory · Physics 2013-07-22 Somdeb Chakraborty , Najmul Haque

We consider quarkonium in a hot QCD plasma which, due to expansion and non-zero viscosity, exhibits a local anisotropy in momentum space. At short distances the heavy-quark potential is known at tree level from the hard-thermal loop…

High Energy Physics - Phenomenology · Physics 2009-08-19 Adrian Dumitru , Yun Guo , Agnes Mocsy , Michael Strickland

The entropic force experienced by a moving quarkonia in a plasma, is computed in a hyperscaling violation background by holography approach. In that case, the axis of the moving quarkonia has an arbitrary angle with wind. We use the results…

High Energy Physics - Theory · Physics 2018-06-07 S. Tahery , J. Sadeghi

We study the real part of the static potential of a heavy quark-antiquark system in an anisotropic plasma medium. We use a quasi-particle approach where the collective dynamics of the plasma constituents is described using hard-loop…

High Energy Physics - Phenomenology · Physics 2024-05-10 Margaret E. Carrington , Gabor Kunstatter , Arghya Mukherjee

We consider a strings-junction holographic model of probe baryon in the finite-temperature supersymmetric Yang-Mills dual of the AdS-Schwarzschild black hole background. In particular, we investigate the screening length for high spin…

High Energy Physics - Theory · Physics 2009-11-18 Miao Li , Yang Zhou , Shi Pu

In this paper, quarkonium dissociation is investigated in an anisotropic plasma in the hot and dense media. For that purpose, the multidimensional Schrodinger equation is solved analytically by Nikiforov-Uvarov (NU) method for the real part…

High Energy Physics - Phenomenology · Physics 2019-01-29 M. Abu-Shady , H. M. Mansour , A. I. Ahmadov

Understanding the screening mass of pseudoscalar mesons at finite temperature and magnetic field is crucial for comprehending the behavior of strongly interacting matter under extreme conditions, such as those found in the early universe or…

High Energy Physics - Lattice · Physics 2025-02-11 Rishabh Thakkar , Heng-Tong Ding , Jin-Biao Gu , Sheng-Tai

Recent lattice calculations showed that the quarkonia will survive beyond the phase transition temperature, and will dissolve at different temperatures depending on the type of the quarkonium. In this work, we calculate the thermal width of…

High Energy Physics - Phenomenology · Physics 2008-11-26 Yongjae Park , Kyung-Il Kim , Taesoo Song , Su Houng Lee , Cheuk-Yin Wong

By means of effective field theory techniques, we study the modifications of some properties of weakly coupled heavy quarkonium states propagating through a quark-gluon plasma at temperatures much smaller than the heavy quark mass, m_Q. Two…

High Energy Physics - Phenomenology · Physics 2013-06-28 Miguel Angel Escobedo , Floriana Giannuzzi , Massimo Mannarelli , Joan Soto

We study the generalized gluon distribution that governs the dynamics of quarkonium inside a non-Abelian thermal plasma characterizing its dissociation and recombination rates. This gluon distribution can be written in terms of a…

High Energy Physics - Phenomenology · Physics 2024-10-22 Govert Nijs , Bruno Scheihing-Hitschfeld , Xiaojun Yao

The fate of heavy quarkonia states has been investigated in QCD at high temperature when the plasma has a small momentum space anisotropy within a quasi-particle model. A real time static potential has been obtained from a Hard thermal loop…

Nuclear Theory · Physics 2010-11-23 Vinod Chandra , V. Ravishankar

Substantial anisotropies should occur in the hot expanding QCD plasma produced in relativistic heavy-ion collisions due to non-vanishing shear viscosity. We discuss the form of the real-time, hard thermal loop resummed propagator for static…

High Energy Physics - Phenomenology · Physics 2011-05-27 Adrian Dumitru

The present article is the follow up work of, Phys.\ Rev.\ D {\bf 94}, 094006 (2016), where we have extended the study of quarkonia dissociation in (momentum) anisotropic hot QCD medium. As evident by the experimentally observed collective…

Nuclear Theory · Physics 2018-05-15 Mohammad Yousuf Jamal , Indrani Nilima , Vinod Chandra , Vineet Kumar Agotiya

We generalize known results for heavy quarkonium in a thermal bath to the case of a finite baryonic density, and provide a number of formulas for the energy shift and decay width that hold at weak coupling for sufficiently large temperature…

High Energy Physics - Phenomenology · Physics 2021-01-06 Stefano Carignano , Joan Soto

The real-time dissociation of the heavy quarkonium in a strongly coupled boost-invariant non-Abelian plasma relaxing towards equilibrium is analyzed in a holographic framework. The effects driving the plasma out of equilibrium are described…

High Energy Physics - Phenomenology · Physics 2017-09-08 L. Bellantuono , P. Colangelo , F. De Fazio , F. Giannuzzi , S. Nicotri

We examine three different ways a heavy quarkonium can dissociate at temperatures below the quark-gluon plasma phase transition temperature T_c: spontaneous dissociation, dissociation by thermalization, and dissociation by collision with…

Nuclear Theory · Physics 2007-05-23 Cheuk-Yin Wong , Ted Barnes , Eric S. Swanson , Horace W. Crater

In the hot (an)isotropic plasma the meson life time $\tau$ is defined as a time scale after which the meson dissociates. According to the gauge/gravity duality, this time can be identified with the inverse of the imaginary part of the…

High Energy Physics - Theory · Physics 2015-06-19 Mohammad Ali-Akbari , Davood Allahbakhshi

In this article, we have studied the dissociation temperature of 1S and 2S states of heavy quarkonium in the presence of anisotropy and a strong magnetic field background using the dissociation energy criterion. We utilized the…

High Energy Physics - Phenomenology · Physics 2024-12-02 Rishabh Sharma , Siddhartha Solanki , Manohar Lal , Vineet Kumar Agotiya

We use the gauge/gravity correspondence to study the screening of a heavy quark-antiquark pair in various strongly coupled plasmas. Besides N=4 super Yang-Mills theory and the corresponding AdS_5 space we also study theories obtained as…

High Energy Physics - Theory · Physics 2017-08-23 Carlo Ewerz , Konrad Schade

The quarkonium states in a quark-gluon plasma is examined with the potential implied by AdS/CFT duality. Both the vanila AdS-Schwarzschild metric and the one with an infrared cutoff are considered. The calculated dissociation temperatures…

High Energy Physics - Phenomenology · Physics 2010-01-15 Defu Hou , Hai-cang Ren