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The production of quarkonium in heavy ion collisions is studied at RHIC and LHC energies. General arguments indicate that, due to initial production of multiple quark pairs in each central collision, the final population of quarkonium may…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. L. Thews

We anticipate new features of quarkonium production in heavy ion collisions at RHIC and LHC energies which differ from a straightforward extrapolation of results at CERN SPS energy. General arguments indicate that one may expect quarkonium…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. L. Thews

Production of heavy quark antiquark systems in high energy heavy ion collisions must involve relativistic momentum components in a quantum mechanical approach. If the color forces are screened in a deconfining medium, one can define the…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. L. Thews

The relic abundance of heavy stable particles charged under a confining gauge group can be depleted by a second stage of annihilations near the deconfinement temperature. This proceeds via the formation of quarkonia-like states, in which…

High Energy Physics - Phenomenology · Physics 2018-06-29 Michael Geller , Sho Iwamoto , Gabriel Lee , Yael Shadmi , Ofri Telem

Based on a recently developed relativistic density functional approach to color-superconducting quark matter and a novel quark-hadron transition construction which phenomenologically accounts for the effects of inhomogeneous pasta phases…

Nuclear Theory · Physics 2023-01-31 Oleksii Ivanytskyi , David Blaschke , Tobias Fischer , Andreas Bauswein

Modifications in the production pattern of heavy quark bound states have long been considered to provide sensitive signatures for the thermal properties of dense matter created in heavy ion collisions. The original concept of Matsui and…

High Energy Physics - Lattice · Physics 2009-01-07 Frithjof Karsch

At high temperatures, strongly interacting matter becomes a plasma of deconfined quarks and gluons. In statistical QCD, deconfinement and the properties of the resulting quark-gluon plasma can be investigated by studying the in-medium…

High Energy Physics - Phenomenology · Physics 2009-11-11 Helmut Satz

We propose an improved version of the color evaporation model to describe heavy quarkonium production. In contrast to the traditional color evaporation model, we impose the constraint that the invariant mass of the intermediate heavy…

High Energy Physics - Phenomenology · Physics 2017-01-04 Yan-Qing Ma , Ramona Vogt

The process AB --> Quarkonium + photon + X, for a heavy quarkonium state such as J/psi or Upsilon, is considered. The ratio of the cross-sections for this process in pp and pp(bar) collisions is shown to be a vary sensitive probe of models…

High Energy Physics - Phenomenology · Physics 2009-10-22 K. Sridhar

The potential of heavy quarks as probes of the environment produced in hadronic and heavy-ion reactions is discussed. A key role is played by coalescence processes and/or resonance formation which are promising candidates to provide a…

High Energy Physics - Phenomenology · Physics 2009-01-07 Ralf Rapp

The coalescence model assumes instant formation of a bound state from unbound particles based on the overlapping of two states in spatial and momentum spaces and quantum numbers. Therefore, applied to the hadronization of partons, it…

Nuclear Theory · Physics 2022-10-19 Taesoo Song , Gabriele Coci

A brief survey of the role of heavy flavors as a probe of the state of matter produced by high energy heavy ion collisions is presented. Specific examples include energy loss, initial state gluon saturation, thermalization and flow. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 R. L. Thews

The goal of this section is to assess the possibility that quarkonium production rates may be enhanced in nucleus-nucleus interactions at the LHC relative to that predicted by extrapolation of processes thought to be dominant at lower…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. L. Thews

Data on high energy nuclear collisions collected at the Relativistic Heavy Ion Collider over the past decade have provided convincing evidence that hadronization is quite different in hot nuclear environments compared to p+p collisions. In…

Nuclear Theory · Physics 2011-03-01 Rainer J. Fries

In this report, we present an experimental overview of quarkonium results obtained in nucleus-nucleus collisions, with a focus on the data collected at the LHC. We discuss the current understanding of charmonium and bottomonium behavior in…

Nuclear Experiment · Physics 2025-08-08 A. Andronic , R. Arnaldi

We propose a qualitatively new mechanism for quarkonium production, motivated by the global features of the experimental data and by the successes/failures of existing models. In QCD, heavy quarks are created in conjunction with a…

High Energy Physics - Phenomenology · Physics 2009-10-31 Paul Hoyer , Stephane Peigne

At high temperatures, strongly interacting matter becomes a plasma of deconfined quarks and gluons. In statistical QCD, deconfinement and the properties of the resulting quark-gluon plasma can be investigated by studying the in-medium…

Nuclear Theory · Physics 2009-01-15 Binoy Krishna Patra , Vinod Chandra , Vineet Agotiya

The suppression of quarkonium production in nucleus-nucleus collisions was originally proposed as a signal of colour deconfinement. Strong ``anomalous" J/\psi suppression in Pb-Pb collisions has been reported at this Conference by the NA50…

High Energy Physics - Phenomenology · Physics 2009-07-09 D. Kharzeev

By coupling the Boltzmann transport equations of both quarkonium and open heavy quarks, we investigate their dynamical evolution inside the quark-gluon plasma and study quarkonium production in heavy ion collisions. The Boltzmann transport…

High Energy Physics - Phenomenology · Physics 2019-02-20 Xiaojun Yao , Weiyao Ke , Yingru Xu , Steffen Bass , Berndt Müller

We consider heavy quark interactions in quenched and unquenched lattice QCD. In a region just above the deconfinement point, non-Abelian gluon polarization leads to a strong increase in the binding. Comparing quark-antiquark and quark-quark…

High Energy Physics - Phenomenology · Physics 2010-01-15 Helmut Satz
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