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In a weak-coupling effective field theory framework we study quarkonium dissociation induced by inelastic scattering with partons in the medium. This is the dominant dissociation process for temperatures such that the Debye mass is larger…

High Energy Physics - Phenomenology · Physics 2013-06-05 Nora Brambilla , Miguel Angel Escobedo , Jacopo Ghiglieri , Antonio Vairo

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

Due to the rapid longitudinal expansion of the quark-gluon plasma created in heavy-ion collisions, large local-rest-frame momentum-space anisotropies are generated during the system's evolution. These momentum-space anisotropies complicate…

High Energy Physics - Phenomenology · Physics 2021-12-28 Lihua Dong , Yun Guo , Ajaharul Islam , Michael Strickland

We investigate the phase structure of dense QCD using the Schwinger-Dyson equation (SDE) with the improved ladder approximation in the Landau gauge. We use the gluon propagator with the electric mode corrected by Debye screening and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Masayasu Harada , Satoshi Takagi

Using the color-singlet free energy F_1 and total internal energy U_1 obtained by Kaczmarek et al. for a static quark Q and an antiquark Qbar in quenched QCD, we study the binding energies and wave functions of heavy quarkonia in a…

High Energy Physics - Phenomenology · Physics 2009-09-01 Cheuk-Yin Wong

In this paper, spectra of the quarkonium states has been studied using the conditions temperature, chemical potential and the magnetic field. Here our main focus is to study the effect of strong magnetic field on the quarkonium properties.…

High Energy Physics - Phenomenology · Physics 2023-06-02 Manohar Lal , Siddhartha Solanki , Rishabh Sharma , Vineet Kumar Agotiya

We propose a model for baryons at finite temperature using AdS/QCD correspondence. In this model, we modify the AdS spacetime into the AdS-Schwarzchild spacetime and consider a couple of bulk spinors in this background. Solving this model,…

High Energy Physics - Phenomenology · Physics 2014-03-03 Zhi Li , Bo-Qiang Ma

Hulth\'en plus Hellmann potentials are adopted as the quark-antiquark interaction potential for studying the mass spectra of heavy mesons. We solved the radial Schr\"odinger equation analytically using the Nikiforov-Uvarov method. The…

High Energy Physics - Phenomenology · Physics 2021-01-06 I. O. Akpan , E. P. Inyang , E. P. Inyang , E. S. William

We present an improved analytic parametrisation of the complex in-medium heavy quark potential derived rigorously from the generalised Gauss law. To this end we combine in a self-consistent manner a non-perturbative vacuum potential with a…

High Energy Physics - Phenomenology · Physics 2019-06-11 David Lafferty , Alexander Rothkopf

Since the initial investigation by Matsui and Satz heavy quark bound states at finite temperature have been subject to numerous studies. The derivation of a finite-temperature potential from first principles was attempted only recently…

High Energy Physics - Lattice · Physics 2009-06-25 M. Tassler

Baryon-baryon potentials are obtained from 3-flavor QCD simulations with the lattice volume L ~ 4 fm, the lattice spacing a ~ 0.12 fm, and the pseudo-scalar-meson mass M_ps =469 - 1171 MeV. The NN scattering phase shift and the mass of…

High Energy Physics - Lattice · Physics 2015-06-03 Takashi Inoue , Sinya Aoki , Takumi Doi , Tetsuo Hatsuda , Yoichi Ikeda , Noriyoshi Ishii , Keiko Murano , Hidekatsu Nemura , Kenji Sasaki

The quarkonium states in a quark-gluon plasma is examined with the heavy quark potential implied by the holographic principle. Both the vanila AdS-Schwarzschild metric and the one with an infrared cutoff are considered. The dissociation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Defu Hou , Hai-cang Ren

In this work, temperature dependence on the masses of conventional and hybrid heavy quarkonium systems is investigated. For this, a thermally screened interaction is incorporated through Debye mass $(m_{D}(T))$ into the potential models of…

High Energy Physics - Phenomenology · Physics 2026-03-09 Ali Zeeshan , Nosheen Akbar , Sadia Arshad , Ali Akgul

By analyzing the calculated baryon number susceptibility ratios ${\chi_{1}^{B}}/{\chi_{2}^{B}}$ and ${\chi_{3}^{B}}/{\chi_{1}^{B}}$ in two-flavor system via the Dyson-Schwinger equation approach of QCD, we determine the chemical freeze-out…

High Energy Physics - Phenomenology · Physics 2015-11-27 Jing Chen , Fei Gao , Yu-xin Liu

We develop a computationally and numerically efficient method to calculate binding energies and corresponding wave functions of quantum mechanical three-body problems in low dimensions. Our approach exploits the tensor structure of the…

Computational Physics · Physics 2022-03-04 Jonas Thies , Moritz Travis Hof , Matthias Zimmermann , Maxim Efremov

By solving the covariant relativistic Schr\"odinger equations for a pair of heavy quarks, we obtained the wave functions for the ground and excited quarkonium states at finite temperature. In comparison with the non-relativistic…

High Energy Physics - Phenomenology · Physics 2013-07-02 Xingyu Guo , Shuzhe Shi , Pengfei Zhuang

By analyzing the calculated baryon number susceptibility ratios ${\chi_{1}^{B}}/{\chi_{2}^{B}}$ and ${\chi_{3}^{B}}/{\chi_{1}^{B}}$ in two-flavor system via the Dyson-Schwinger equation approach of QCD, we determine the chemical freeze-out…

High Energy Physics - Phenomenology · Physics 2023-05-29 Yi Lu , Muyang Chen , Zhan Bai , Fei Gao , Yu-xin Liu

Trigonometric Rosen-Morse potential is suggested as the quark-antiquark interaction potential for studying the thermodynamic properties and the masses of heavy and heavy-light mesons. For this purpose, N-radial Schrodinger equation is…

High Energy Physics - Phenomenology · Physics 2020-01-08 M. Abu-Shady , Sh. Y. Ezz-Alarab

The thermal behavior of the spectroscopic parameters of the S-wave single heavy baryons $ \Sigma_{Q}^{*}, \Xi_{Q}^{*}$ and $ \Omega_{Q}^{*} $ with spin-3/2 are investigated in QCD at finite temperature. We analyze the variations of the mass…

High Energy Physics - Phenomenology · Physics 2020-06-24 K. Azizi , A. Türkan

We study the properties of fully-heavy baryons in the vacuum and the hot QCD medium, which is created in relativistic heavy-ion collisions. Masses and wave functions of $\Omega_{ccc}$, $\Omega_{ccb}$, $\Omega_{bbc}$, and $\Omega_{bbb}$ up…

Nuclear Theory · Physics 2023-11-09 Jiaxing Zhao , Shuzhe Shi