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We interpret hadronic particle abundances produced in S--Au/W/Pb 200 A GeV reactions in terms of the final state hadronic phase space model and determine by a data fit of the chemical hadron freeze-out parameters. Allowing for the flavor…

High Energy Physics - Phenomenology · Physics 2009-10-31 Jean Letessier , Johann Rafelski

We identify the major physics milestones in the development of strange hadrons as an observable for both the formation of quark-gluon plasma, and of the ensuing explosive disintegration of deconfined matter fireball formed in relativistic…

Nuclear Theory · Physics 2008-11-26 J. Letessier , G. Torrieri , S. Hamieh , J. Rafelski

The comparison of heavy-flavour hadron production in proton-proton, proton-Pb and Pb-Pb collisions at the LHC offers the opportunity to investigate the properties of the high-density colour-deconfined state of strongly-interacting matter…

High Energy Physics - Experiment · Physics 2019-08-21 A. Rossi

We extend a previous work on the study of heavy charmonia and bottomonia in a deconfined quark-gluon plasma by considering the Bc family of mesons. With the introduction of this bound state of a charm and a beauty quark, we investigate at…

High Energy Physics - Phenomenology · Physics 2018-02-14 W. M. Alberico , S. Carignano , P. Czerski , A. De Pace , M. Nardi , C. Ratti

Although at temperatures $T\gg \Lambda_{QCD}$ the quark-gluon plasma (QGP) is a gas of weakly interacting quasiparticles (modulo long-range magnetism), it is strongly interacting (sQGP) in the temperature range $(1-3) T_c$. One aspect of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Edward V. Shuryak , Ismail Zahed

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

New incarnations of heavy-ion collision experiments are turning our attention to hard processes and a more fine-grained resolution of the QGP. In this endeavor quarkonia or open heavy flavors turn out to be versatile probes, which are…

High Energy Physics - Lattice · Physics 2022-02-08 Johannes Heinrich Weber

The properties of bound states are fundamental to hadronic spectroscopy and play a central role in the transition from hadronic matter to a quark-gluon plasma (QGP). In a strongly coupled QGP (sQGP), the interplay of temperature, binding…

Nuclear Theory · Physics 2025-09-23 Zhanduo Tang , Biaogang Wu , Andrew Hanlon , Swagato Mukherjee , Peter Petreczky , Ralf Rapp

At the quark-hadron transition, when quarks get confined to hadrons, certain orbitally excited states, namely those which have excitation energies above the respective $L = 0$ states of the same order as the transition temperature $T_c$,…

High Energy Physics - Phenomenology · Physics 2010-11-05 Biswanath Layek , Ajit M. Srivastava , Soma Sanyal

The strong suppression of heavy quarkonia is a good indicator that one has generated a quark-gluon plasma (QGP) in an ultrarelativistic heavy ion collision. Recent advancements in first principles calculations of the heavy quark potential…

High Energy Physics - Phenomenology · Physics 2019-02-20 Brandon Krouppa , Alexander Rothkopf , Michael Strickland

The rapid thermalization of quarks and gluons in the initial stages of relativistic heavy-ion collisions is treated using analytic solutions of a nonlinear diffusion equation with schematic initial conditions, and for gluons with boundary…

High Energy Physics - Phenomenology · Physics 2020-05-04 Georg Wolschin

The QCD cross-over line in the temperature ($T$) -- baryo-chemical potential ($\mu_B$) plane has been computed by several lattice groups by calculating the chiral order parameter and its susceptibility at finite values of $\mu_B$. In this…

We attempt a unified treatment of heavy quarkonia and heavy-quark diffusion in the Quark-Gluon Plasma. Our approach is based on finite-temperature T-matrices with interaction potentials estimated from the heavy-quark internal energy…

High Energy Physics - Phenomenology · Physics 2008-06-23 R. Rapp , D. Cabrera , V. Greco , M. Mannarelli , H. van Hees

With the aim of studying rotating quark-gluon plasma (QGP), holographically, from a top-down approach, the study of the effect of rotation on the deconfinement temperature of thermal QCD-like theories at intermediate coupling from ${\cal…

High Energy Physics - Theory · Physics 2023-04-25 Gopal Yadav

Numerical studies of the bulk properties of the quark-gluon plasma reveal a pronounced drop in pressure $p$ compared to energy density $\e$ as the deconfining temperature is approached from above. We show by general thermodynamic reasoning…

High Energy Physics - Phenomenology · Physics 2009-11-10 Daniel Zwanziger

A brief summary of strangeness mile stones is followed by a chemical non-equilibrium statistical hadronization analysis of strangeness results at SPS and RHIC. Strange particle production in AA interactions at \sqrt{s_{NN}}\ge 8.6 GeV can…

High Energy Physics - Phenomenology · Physics 2009-11-10 J. Rafelski , J. Letessier

High energy collisions of heavy atomic nuclei allow to create and carefully study a high-density, colour-deconfined state of strongly-interacting matter. According to calculations from lattice Quantum-Chromodynamics, under the conditions of…

High Energy Physics - Experiment · Physics 2013-02-01 Andre Mischke

The boiling of possible quark nuggets during the quark-hadron phase transition of the Universe at nonzero chemical potential is revisited within the microscopic Brueckner-Hartree-Fock approach employed for the hadron phase, using two kinds…

Cosmology and Nongalactic Astrophysics · Physics 2014-08-07 Ang Li , Tong Liu , Philipp Gubler , Ren-Xin Xu

At the LHC, bottom baryons are being produced in unprecedented quantities, which opens up a new field for flavor physics. For example, the decay $\Lambda_b \to p \mu^- \bar{\nu}$ can be used to obtain a novel determination of the CKM matrix…

High Energy Physics - Lattice · Physics 2015-02-27 Stefan Meinel

We show that requiring the quark partition function to be color singlet of SU(3) color gauge group leads to reordering the thermodynamic potential in terms of the colorless multi-quark modes ($q{\bar q}, qqq, {\bar q}{\bar q}{\bar q}, ...$)…

Nuclear Theory · Physics 2015-06-26 Munshi Golam Mustafa , Abhijit Sen , Lina Paria