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We employ the Langevin equation and Wigner function to describe the bottom equark dynamical evolutions and their formation into a bound state in the expanding Quark Gluon Plasma (QGP). The additional suppressions from parton inelastic…

Nuclear Theory · Physics 2017-09-08 Baoyi Chen , Jiaxing Zhao

About 40-50 % of the quarkonium ground states J/psi(1S) and Upsilon(1S) produced in hadronic collisions originate from the decay of higher excitations. In a hot medium, these higher states are dissociated at lower temperatures than the more…

High Energy Physics - Phenomenology · Physics 2009-11-07 S. Digal , P. Petreczky , H. Satz

The production of ground-state and excited bottomonia in ultrarelativistic heavy-ion collisions is investigated within a kinetic-rate equation approach including regeneration. We augment our previous calculations by an improved treatment of…

High Energy Physics - Phenomenology · Physics 2017-11-08 Xiaojian Du , Min He , Ralf Rapp

Using the two-component model that includes both initial production from nucleon-nucleon hard scattering and regeneration from produced quark-gluon plasma (QGP), we study the effect of medium modifications of the binding energies and radii…

Nuclear Theory · Physics 2016-02-17 Taesoo Song , Kyong Chol Han , Che Ming Ko

We describe bottomonium production not only in pp collisions but also in heavy-ion collisions by using the Remler's formalism where quarkonium density operator is applied to all possible combination of heavy quark and heavy antiquark pairs.…

High Energy Physics - Phenomenology · Physics 2024-10-01 Taesoo Song , Joerg Aichelin , Jiaxing Zhao , Pol B. Gossiaux , Elena Bratkovskaya

We present here a model to describe the bottomonium suppression in Pb$+$Pb collisions at Large Hadron Collider (LHC), at $\sqrt{s_{NN}}=2.76$ TeV by using the quasi-particle model (QPM) equation of state (EOS) for the Quark-Gluon Plasma…

High Energy Physics - Phenomenology · Physics 2015-02-23 S. Ganesh , Madhukar Mishra

Measurements made at the LHC have shown that the production of the ${\rm J}/\psi$, $\psi$(2S), $\Upsilon$(1S) and $\Upsilon$(2S) quarkonia is suppressed in Pb-Pb collisions, with respect to the extrapolation of the pp production yields. The…

High Energy Physics - Phenomenology · Physics 2018-09-28 Pietro Faccioli , Carlos Lourenco

The suppression of bottomonia in ultrarelativistic heavy-ion collisions is a smoking gun for the production of a strongly interacting final state in ultrarelativistic heavy-ion collisions. Furthermore, these final state interactions are…

High Energy Physics - Phenomenology · Physics 2019-06-04 Michael Strickland

We study bottomonium $b\bar b$ production in pp collisions as well as in heavy-ion collisions, using a quantal density matrix approach. The initial bottom (anti)quarks are provided by the PYTHIA event generator. We solve the Schr\"odinger…

Nuclear Theory · Physics 2024-01-19 Taesoo Song , Joerg Aichelin , Jiaxing Zhao , Pol Bernard Gossiaux , Elena Bratkovskaya

We study bottomonium production in heavy-ion collisions using a transport model which utilizes kinetic-rate and Boltzmann equations to calculate the energy, centrality and transverse-momentum ($p_T$) dependence of the yields. Both…

High Energy Physics - Phenomenology · Physics 2018-03-14 Xiaojian Du , Min He , Ralf Rapp

Deconfined QCD matter in heavy-ion collisions has been a topic of paramount interest for many years. Quarkonia suppression in heavy-ion collisions at the Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) experiments…

High Energy Physics - Phenomenology · Physics 2019-02-21 Captain R. Singh , S. Ganesh , M. Mishra

We employ the time-dependent Schr\"odinger equation with different complex potentials to study the bottomonium sequential suppression in Pb-Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV and 5.02 TeV and Au-Au collisions at $\sqrt{s_{NN}}=200$…

Nuclear Theory · Physics 2023-03-10 Liuyuan Wen , Baoyi Chen

We present here a comprehensive model to describe the bottomonium suppression data obtained from the CERN Large Hadron Collider (LHC) at center-of-mass energy of $\sqrt{s_{NN}}=2.76$ TeV. We employ a quasiparticle model (QPM) equation of…

High Energy Physics - Phenomenology · Physics 2015-03-04 S. Ganesh , M. Mishra

We investigate the {\Upsilon} production in heavy ion collisions at LHC energy in the frame of a dynamical transport approach. Both the initial production and in-medium regeneration and both the cold and hot nuclear matter effects are…

High Energy Physics - Phenomenology · Physics 2015-06-22 Kai Zhou , Nu Xu , Pengfei Zhuang

In this work, we review the experimental and theoretical developments of bottomonia production in proton+proton and heavy-ion collisions. The bottomonia production process is proving to be one of the most robust processes to investigate the…

High Energy Physics - Phenomenology · Physics 2023-05-23 Vineet Kumar , Prashant Shukla , Abhijit Bhattacharyya

We review the present status in the theoretical and phenomenological understanding of charmonium and bottomonium production in heavy-ion collisions. We start by recapitulating the basic notion of "anomalous quarkonium suppression" in…

High Energy Physics - Phenomenology · Physics 2015-03-13 R. Rapp , D. Blaschke , P. Crochet

We study the production of bottomonium states in heavy-ion reactions at collider energies available at RHIC and LHC. We employ an earlier constructed rate equation approach which accounts for both suppression and regeneration mechanisms in…

High Energy Physics - Phenomenology · Physics 2015-06-03 A. Emerick , X. Zhao , R. Rapp

In the medium of relativistic heavy-ion collisions, dissociation of the quarkonium and their survival have been studied to understand the properties of Quark Gluon Plasma (QGP). The coupled rates of dissociation and recombination reactions…

High Energy Physics - Phenomenology · Physics 2023-02-22 Abdulla Abdulsalam , Mohsin Ilahi , Lana Alabbasi , Rafeeda Kassim

We had been gradually working towards building a comprehensive quarkonia suppression formalism to explain all 3 dependencies of quarkonium suppression obtained from heavy-ion collision experiments. We present here the improved version of…

High Energy Physics - Phenomenology · Physics 2021-09-17 Nikhil Hatwar , Captain R. Singh , S. Ganesh , M. Mishra

Quarkonium production in high-energy heavy-ion collisions remains a key probe of the quark-gluon plasma formed in these reactions, but the development of a fully integrated nonperturbative approach remains a challenge. Toward this end, we…

Nuclear Theory · Physics 2026-04-22 Biaogang Wu , Ralf Rapp
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