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Related papers: Hot hadronic matter and strange anti-baryons

200 papers

We study quark-gluon plasma (QGP) and hadronic gas (HG) models of the central fireball presumed to be the source of abundantly produced strange (anti-)baryons in S -> W collisions at 200 GeV A. We consider how multi-strange (anti-)baryon…

High Energy Physics - Phenomenology · Physics 2015-06-25 Johann Rafelski , Jean Letessier , Ahmed Tounsi

We study as function of the collision energy and stopping the thermal conditions reached in a quark-gluon plasma fireball formed in a relativistic heavy ion collision. We explore strange particle yields for the current round of Pb-Pb and…

High Energy Physics - Phenomenology · Physics 2009-12-15 Jean Letessier , Jan Rafelski , Ahmed Tounsi

In the context of the Hagedorn temperature half-centenary I describe our understanding of the hot phases of hadronic matter both below and above the Hagedorn temperature. The first part of the review addresses many frequently posed…

Nuclear Theory · Physics 2015-09-21 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

We analyze current experimental results and explore, as function of the collision energy and stopping in relativistic nuclear collisions, the production yields of strange antibaryons, assuming formation of a deconfined thermal QGP-fireball…

High Energy Physics - Phenomenology · Physics 2009-10-28 Johann Rafelski , Jean Letessier , Ahmed Tounsi

We determine the entropy per baryon content of the central reaction region in terms of the charged particle multiplicity. We study the consistency of our findings with recent data on strange anti-baryon production at 200 GeV A in S -> A…

High Energy Physics - Phenomenology · Physics 2009-10-09 J. Letessier , A. Tounsi , U. Heinz , J. Sollfrank , J. Rafelski

We reconsider thermal conditions of the central fireball presumed to be the source of abundantly produced strange (anti-)baryons in S -> W collisions at 200 GeV A. We show that it is possible to completely fix the freeze-out temperature of…

High Energy Physics - Phenomenology · Physics 2009-10-30 Jean Letessier , Jan Rafelski , Ahmed Tounsi

We explore, as function of the collision energy and stopping in relativistic nuclear collisions, the production yields of strange particles, in particular strange antibaryons,assuming formation of a deconfined thermal QGP-fireball which…

High Energy Physics - Phenomenology · Physics 2008-02-03 Jean Letessier , Johann Rafelski , Ahmed Tounsi

We investigate here the relative abundance of strange particles produced in nuclear collisions at the SPS energies (9 GeV A in CM frame) assuming that the central reaction fireball consists of quark-gluon plasma. We show that the total…

High Energy Physics - Phenomenology · Physics 2009-10-30 Jean Letessier , Jan Rafelski , Ahmed Tounsi

Lattice-QCD results provide an opportunity to model, and extrapolate to finite baryon density, the properties of the quark-gluon plasma (QGP). Upon fixing the scale of the thermal coupling constant and vacuum energy to the lattice data, the…

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

We review strangeness as signature of quark gluon plasma (QGP) and the hadronization process of a QGP fireball formed in relativistic heavy-ion collisions in the entire range of today accessible reaction energies. We discuss energy…

Nuclear Theory · Physics 2018-01-17 Jan Rafelski , Michal Petran

The current status of various thermal and statistical descriptions of particle production in the ultra-relativistic heavy-ion collisions experiments is presented in detail. We discuss the formulation of various types of thermal models of a…

High Energy Physics - Phenomenology · Physics 2017-01-06 S. K. Tiwari , C. P. Singh

A constraint between thermal fireball parameters arises from the requirement that the balance of strangeness in a fireball is (nearly) zero. We study the impact of this constraint on (multi-)strange (anti-)baryon multiplicities and compare…

High Energy Physics - Phenomenology · Physics 2009-10-09 J. Letessier , A. Tounsi , U. Heinz , J. Sollfrank , J. Rafelski

We review the methods and results obtained in an analysis of the experimental heavy ion collision research program at nuclear beam energy of 160-200A GeV. We study strange, and more generally, hadronic particle production experimental data.…

Nuclear Theory · Physics 2009-11-06 Jean Letessier , Johann Rafelski

Strangeness flavor has turned out to be a very effective diagnostic tool of relativistic heavy ion physics. The absolute yield provides information about conditions arising in first instants of the interaction. Strange hadrons are abundant…

Nuclear Theory · Physics 2017-08-23 Johann Rafelski , Giorgio Torrieri , Jean Letessier

A Fermi statistical model analysis of hadron abundances and spectra obtained in several relativistic heavy ion collision experiments is utilized to characterize a particle source. Properties consistent with a disintegrating, hadron…

Nuclear Theory · Physics 2007-05-23 Johann Rafelski , Jean Letessier

We argue that ultrahigh energy cosmic ray collisions in the Earth atmosphere can probe the strange quark density of the nucleon. These collisions have center-of-mass energies \agt 10^{4.6} A GeV, where A \geq 14 is the nuclear baryon…

High Energy Physics - Phenomenology · Physics 2019-08-06 Luis A. Anchordoqui , Haim Goldberg , Thomas J. Weiler

Strangeness signature of of quark-gluon plasma (QGP) is central to the exploration of baryon-dense matter: the search for the critical point and onset of deconfinement. I report on the discovery of QGP by means of strangeness: The key…

High Energy Physics - Phenomenology · Physics 2017-11-06 Jan Rafelski

We describe the quark gluon plasma (QGP) as a thermalized quark-gluon system, the thermalized QGP phase of QCD. The hadronization of the thermalized QGP phase is given in a way resembling a coalescence model with correlated quarks and…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. A. Ivanova , V. F. Kosmach , V. M. Samsonov , N. I. Troitskaya

Statistical hadronization is presented as mechanism for (strange) particle production from a deconfined quark--gluon plasma (QGP) fireball. We first consider hadronic resonance production at RHIC as a test of the model. We present in detail…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jan Rafelski , Jean Letessier
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