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The strength of the interaction between heavy quarks is studied for heavy quarkonium ($\mathrm{Q\bar{Q}}$) and doubly heavy baryons ($\mathrm{QQq}$) at finite temperature and rapidity using the gauge/gravity duality in this paper. We show…

High Energy Physics - Phenomenology · Physics 2026-01-07 Xuan Liu , Sheng Lin , Xun Chen

Using gauge/gravity duality, we first study the string breaking and melting of doubly heavy baryon at a finite chemical potential and temperature in this paper. The decay mode $\rm{Q Q q \rightarrow Q q q+Q \bar{q}}$ is investigated with…

High Energy Physics - Phenomenology · Physics 2023-08-21 Bo Yu , Xi Guo , Xun Chen , Xiao-Hua Li

Using the gauge/gravity duality, we investigate the string breaking and dissolution of two heavy quarks coupled to a light quark at finite temperature. It is found that there exist three configurations of QQq with the increase of separate…

High Energy Physics - Phenomenology · Physics 2022-05-09 Xun Chen , Bo Yu , Peng-Cheng Chu , Xiao-hua Li

The string breaking phenomenon in QCD can be studied using the gauge/string duality. In this approach, one can make estimates of some of the string breaking distances at non-zero temperature and baryon chemical potential. These point…

High Energy Physics - Phenomenology · Physics 2020-05-20 Oleg Andreev

In this work, we use gauge/gravity duality to study potential energy and string-breaking of triply heavy baryons at finite temperature and chemical potential. Two different possible configurations of triply heavy baryon are considered. The…

High Energy Physics - Phenomenology · Physics 2023-10-10 Jia-Jie Jiang , Xun Chen , Jiajia Qin , Miguel Angel Martin Contreras

In this paper, we employ gauge/gravity duality to investigate the string breaking and melting of doubly-heavy tetraquark that includes two heavy quarks and two light antiquarks in a holographic model at finite temperature. Firstly, we…

High Energy Physics - Phenomenology · Physics 2024-01-26 Xi Guo , Jia-Jie Jiang , Xuan Liu , Dong Xiang , Xun Chen

We use gauge/string duality to model a heavy quark-antiquark pair in a color singlet moving through a thermal plasma. In particular, we explore the effect of velocity on the string tension and Debye screening mass. Then we apply the results…

High Energy Physics - Phenomenology · Physics 2019-07-31 Oleg Andreev

We review the physics of doubly-heavy baryons $QQq$ and tetraquarks $QQ\bar q\bar q$. For the latter, the stability is reached for large enough mass ratio $M/m$, even when spin forces and color mixing are neglected. It is thus customarily…

High Energy Physics - Phenomenology · Physics 2018-12-11 Jean-Marc Richard , Alfredo Valcarce , Javier Vijande

Over the last decade a fruitful interplay has developed between analyses of strongly coupled non-abelian plasmas via the gauge/string duality and the phenomenology of the quark-gluon plasma created in heavy ion collisions. I review the…

High Energy Physics - Theory · Physics 2015-05-28 David Mateos

We study the heavy-heavy-light quark ($QQq$) system in a non-relativistic potential model, and investigate the quark motional effect on the inter-two-quark potential in baryons. We adopt the Hamiltonian with the static three-quark potential…

High Energy Physics - Phenomenology · Physics 2008-11-26 Arata Yamamoto , Hideo Suganuma

The spectroscopic properties of the doubly heavy spin-$1/2$ baryons $\Xi_{QQ'}$, $\Xi'_{QQ'}$, $\Omega_{QQ'}$ and $\Omega'_{QQ'}$, with heavy quarks $Q$ and $Q'$ being $b$ or/and $c$, are investigated in cold nuclear matter. In particular,…

High Energy Physics - Phenomenology · Physics 2019-10-16 K. Azizi , N. Er

Over the last decade, both experimental and theoretical advances have brought the need for strong coupling techniques in the analysis of deconfined QCD matter and heavy ion collisions to the forefront. As a consequence, a fruitful interplay…

High Energy Physics - Theory · Physics 2012-08-09 Jorge Casalderrey-Solana , Hong Liu , David Mateos , Krishna Rajagopal , Urs Achim Wiedemann

We investigate the behavior of the doubly heavy spin$-3/2$ baryons in cold nuclear matter. In particular, we study the variations of the spectroscopic parameters of the ground state $\Xi^*_{QQ'}$ and $\Omega^*_{QQ'}$ particles, with $ Q $…

High Energy Physics - Phenomenology · Physics 2019-04-17 N. Er , K. Azizi

Through gravity/gauge duality, the string breaking and running coupling constant of heavy quark-antiquark pair are investigated in the rotating background. For the meson decay mode $\rm Q\bar{Q} \rightarrow Q \bar{q}+\bar{Q} q$, we discuss…

High Energy Physics - Phenomenology · Physics 2023-10-25 Jing Zhou , Saiwen Zhang , Jun Chen , Le Zhang , Xun Chen

We use gauge/string duality to model a doubly heavy diquark in a color antitriplet moving in a thermal plasma at temperatures near the critical. With the assumption that there is no relative motion between the constituents, we calculate the…

High Energy Physics - Phenomenology · Physics 2018-09-19 Oleg Andreev

Sufficiently energetic collisions of heavy ions result in the formation of a droplet of a strongly coupled liquid state of QCD matter known as quark-gluon plasma. By using gauge-gravity duality (holography), a model of a rapidly…

High Energy Physics - Theory · Physics 2019-12-25 Åsmund Folkestad , Sašo Grozdanov , Krishna Rajagopal , Wilke van der Schee

Using the gauge/string duality, we model a heavy quark-antiquark pair in a color singlet state moving through a cold medium and explore the consequences of temperature and velocity on string breaking. We show that the string breaking…

High Energy Physics - Phenomenology · Physics 2022-04-06 Oleg Andreev

We use the gauge-string duality to study heavy quarks in the presence of higher derivative corrections. These corrections correspond to the finite coupling corrections on the properties of heavy quarks in a hot plasma. In particular, we…

High Energy Physics - Theory · Physics 2015-05-27 K. Bitaghsir Fadafan

In high energy heavy-ion collisions, the two colliding nuclei pass through each other leaving behind an almost baryon free central rapidity region. Most of the baryons are carried away by the nuclear remnants and are located in the…

Nuclear Theory · Physics 2019-01-02 Ming Li , Chun Shen

The doubly heavy baryon $\Xi_{QQ^{\prime}}$ ($Q^{(\prime)}$ = $b$ or $c$) is different from the ordinary baryons. The production of the doubly heavy baryon can provide valuable insight on how the colored $(QQ^{\prime})$-diquark can be…

High Energy Physics - Phenomenology · Physics 2013-03-26 Jun Jiang , Xing-Gang Wu , Shao-Ming Wang , Jia-Wei Zhang , Zhen-Yun Fang
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