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The yields of charmed hadrons emitted by strangeness rich QGP are evaluated within chemical non-equilibrium statistical hadronization model, conserving strangeness, charm, and entropy yields at hadronization.

High Energy Physics - Phenomenology · Physics 2009-11-11 Inga Kuznetsova , Johann Rafelski

We study b, c quark hadronization from QGP. We obtain the yields of charm and bottom flavored hadrons within the statistical hadronization model. The important novel feature of this study is that we take into account the high strangeness…

High Energy Physics - Phenomenology · Physics 2008-11-26 Inga Kuznetsova , Johann Rafelski

In these remarks I explain the motivation which leads us to consider chemical nonequilibrium processes in flavor equilibration and in statistical hadroniziation of quark--gluon plasma (QGP). Statistical hadronization allowing for chemical…

High Energy Physics - Phenomenology · Physics 2016-09-06 Johann Rafelski

Strangeness flavor yield s and the entropy yield S are the observables of the deconfined quark-gluon state of matter which can be studied in the entire available experimental energy range at AGS, SPS, RHIC, and, in near future, at the LHC…

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

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 review the current status of strangeness as signature of the formation and dissociation of the deconfined QGP at the SPS energy scale, and present the status of our considerations for RHIC energies. By analyzing, within the framework of…

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

We study, in the dynamically evolving QGP fireball formed in relativistic heavy ion collisions at RHIC and LHC, the growth of strangeness yield toward and beyond the chemical equilibrium. We account for the contribution of the direct…

Nuclear Theory · Physics 2009-09-29 Jean Letessier , Johann Rafelski

We study production of strangeness in the hot QGP fireball in conditions achieved at LHC, and use these results to obtain soft (strange) hadron multiplicities. We compare the chemical equilibrium and non-equilibrium conditions and identify…

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

We extend the SHM analysis of hadron production results showing here consistency with the increased experimental data set, stability of the fit with regard to inclusion of finite resonance widths and 2-star hyperon resonances. We present…

High Energy Physics - Phenomenology · Physics 2015-06-17 Michal Petráň , Jean Letessier , Vojtěch Petráček , Johann Rafelski

We obtain strangeness production as function of centrality in a statistical hadronization model analysis of all experimental hadron production data in Au--Au collisions at $\sqrt{s_{NN}}=62.4\GeV$. Our analysis describes successfully the…

High Energy Physics - Phenomenology · Physics 2012-05-29 Michal Petran , Jean Letessier , Vojtech Petracek , Jan Rafelski

We describe how the abundance and distribution of hyperon resonances can be used to probe freeze-out conditions. We demonstrate that resonance yields allow us to measure the time scales of chemical and thermal freeze-outs. This should…

High Energy Physics - Phenomenology · Physics 2008-11-26 G. Torrieri , J. Rafelski

This survey offers an introductory tutorial for students of any age of the currently thriving field of hadrochemistry. We discuss the different chemical potentials, how the hadronic phase space is described and how one evaluates the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Johann Rafelski , Jean Letessier

It has been observed that the yields of strange and multi-strange hadrons relative to pion increase significantly with the event charged-particle multiplicity. We notice from experimental data that yield ratios between non-strange hadrons,…

High Energy Physics - Phenomenology · Physics 2020-07-23 Sarita Sahoo , Rama Chandra Baral , Pradip Kumar Sahu , Mina Ketan Parida

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 study multistrange hadrons produced in NA49 and STAR experiments at center of mass energies varying from \sqrt{s_{NN}} = 7.61 GeV to 200 GeV. We show that the yields of {\Xi}, {\Xi}-bar and {\phi} can help to constrain the physical…

High Energy Physics - Phenomenology · Physics 2011-03-02 Michal Petran , Jean Letessier , Vojtech Petracek , Jan Rafelski

This dissertation presents a theoretical study of soft hadron production in relativistic heavy-ion collisions. We explore the principles governing the hadronization of the expanding QGP fireball, and to understand its properties. Much of…

High Energy Physics - Phenomenology · Physics 2013-11-26 Michal Petran

Results related to the possible chemical equilibration of hadrons in heavy ion collisions are reviewed. Overall the evidence is very strong with a few clear and well-documented deviations, especially concerning multi-strange hadrons. Two…

High Energy Physics - Phenomenology · Physics 2010-01-19 J. Cleymans

We present a systematic study of production of strange and non-strange hadron yields and their ratios obtained in various experiments using our thermodynamically consistent excluded-volume model. We also analyze the production of light…

High Energy Physics - Phenomenology · Physics 2015-06-17 S. K. Tiwari , C. P. Singh

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

The production and dynamics of strange and antistrange hadrons in heavy-ion reactions from $\sqrt{s_{NN}} \approx$ 3 GeV to 200 GeV is analyzed within the Parton-Hadron-String-Dynamics (PHSD) transport model. The PHSD results for strange…

Nuclear Theory · Physics 2016-02-17 Pierre Moreau , Feng Li , Che-Ming Ko , Wolfgang Cassing , Elena Bratkovskaya
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