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Bottomonium production in heavy ion collisions is modified compared with any simple extrapolation from elementary collisions. This modification is most likely caused by the presence of a deconfined system of quarks and gluons for times of…

Nuclear Theory · Physics 2017-04-11 P. Petreczky , C. Young

In the present article, we have studied the equation of state and dissociation temperature of bottomonium state by correcting the full Cornell potential in isotropic medium by employing the effective fugacity quasi-particle Debye mass. We…

High Energy Physics - Phenomenology · Physics 2018-04-24 Indrani Nilima , Vineet Kumar Agotiya

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

The thermal suppression of heavy quark bound states represents an ideal observable for determining if one has produced a quark-gluon plasma in ultrarelativistic heavy-ion collisions. In recent years, a paradigm shift has taken place in the…

Nuclear Theory · Physics 2018-03-14 Brandon Krouppa , Radoslaw Ryblewski , Michael Strickland

In ultrarelativistic nucleus-nucleus collisions, a deconfined state of strongly interacting matter is thought to be produced, commonly known as the quark--gluon plasma (QGP). Quarkonia, bound states of a heavy quark and antiquark, are an…

High Energy Physics - Experiment · Physics 2021-03-26 Wadut Shaikh

A measurement of the production of vector bottomonium states, $\varUpsilon(\textrm{1S})$, $\varUpsilon(\textrm{2S})$, and $\varUpsilon(\textrm{3S})$, in Pb+Pb and $pp$ collisions at a center-of-mass energy per nucleon pair of 5.02 TeV is…

Nuclear Experiment · Physics 2023-08-23 ATLAS Collaboration

We study different processes responsible for the modification of quarkonia yields in the medium produced in PbPb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV. The quarkonia and heavy flavour cross sections are estimated using the measurements…

High Energy Physics - Phenomenology · Physics 2020-01-08 Vineet Kumar , Prashant Shukla , Abhijit Bhattacharyya

We show that we can reach a global and coherent description of bottomonium suppression in both proton-nucleus and nucleus-nucleus collisions at the LHC energies. The measured relative suppression of the excited bottomonium states as…

High Energy Physics - Phenomenology · Physics 2018-10-31 Elena G. Ferreiro

In this proceedings contribution I review recent progress concerning the suppression of bottomonium production in the quark-gluon plasma. Making use of open quantum system methods applied to potential non-relativistic quantum chromodynamics…

High Energy Physics - Phenomenology · Physics 2022-01-03 Michael Strickland

I discuss recent calculations of the thermal suppression of bottomonium states in relativistic heavy ion collisions. I present results for the inclusive Upsilon(1s) and Upsilon(2s) suppression as a function of centrality. I compare with…

High Energy Physics - Phenomenology · Physics 2015-06-05 Michael Strickland

We present potential non-relativistic quantum chromodynamics (pNRQCD) predictions for bottomonium suppression in sqrt(sNN) = 200 GeV, 2.76 TeV, and 5.02 TeV heavy-ion collisions using an open quantum systems (OQS) description of the reduced…

High Energy Physics - Phenomenology · Physics 2025-12-15 Michael Strickland , Sabin Thapa

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

Bottomonium production is a powerful tool to investigate hadron collisions and the properties of the medium created in heavy-ion collisions. According to the color-screening model, these mesons give important information about the…

High Energy Physics - Experiment · Physics 2019-08-13 Massimiliano Marchisone

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

We show that we can reproduce all the features of bottomonium suppression in both proton-nucleus and nucleus-nucleus collisions at LHC energies in a comover-interaction picture. For each collisions system, we use the measured {\it relative}…

High Energy Physics - Phenomenology · Physics 2018-11-14 Elena G. Ferreiro , Jean-Philippe Lansberg

The respective contributions of cold-matter and hot-medium effects to the suppression of $\Upsilon(1S)$ and $\Upsilon(2S)$ mesons in pPb collisions at energies reached at the Large Hadron Collider (LHC) are investigated. Whereas known…

High Energy Physics - Phenomenology · Physics 2019-08-21 V. H. Dinh , J. Hoelck , G. Wolschin

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

The three lowest-lying $\Upsilon$ states, i.e. $\Upsilon(1S)$, $\Upsilon(2S)$, and $\Upsilon(3S)$, composed of $b\bar b$ pairs and below the $B\bar B$ threshold, provide a good platform for the researches of hadronic physics and physics…

High Energy Physics - Experiment · Physics 2020-08-11 Sen Jia , Xingyu Zhou , Chengping Shen

In order to disentangle CNM effects from the ``hot'' QGP effects, quarkonium production is studied in p--Pb collisions in which QGP formation is not expected. ALICE has measured the $\Upsilon$ production in p--Pb collisions at $\sqrt{s_{\rm…

High Energy Physics - Experiment · Physics 2019-07-02 Wadut Shaikh

We have studied the thermal suppression of the bottomonium states in relativistic heavy-ion collision at LHC energies as function of centrality, rapidity, transverse momentum etc. to explain the CMS data. Our investigation mainly spans over…

High Energy Physics - Phenomenology · Physics 2014-05-15 Uttam Kakade , Binoy Krishna Patra , Lata Thakur