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In ultrarelativistic heavy ion collisions the baryon-meson ratio is not fully understood in the intermediate-to-high transverse momentum region. Although quark coalescence methods combined with jet fragmentation yield results close to the…

High Energy Physics - Phenomenology · Physics 2012-08-03 Dániel Berényi , Attila Pásztor , Vladimir Skokov , Péter Lévai

Bulk properties of strange quark matter (SQM) are investigated within the SU(3) Nambu-Jona-Lasinio model. In the chiral limit the model behaves very similarly to the MIT bag model which is often used to describe SQM. However, when we…

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Buballa , M. Oertel

We initialize the Quantum Chromodynamic conserved charges of baryon number, strangeness, and electric charge arising from gluon splitting into quark-antiquark pairs for the initial conditions of relativistic heavy-ion collisions. A new…

Rapidity distributions of net hyperons ($\Lambda - \overline{\Lambda}$) are compared to distributions of participant protons ($p - \overline{p}$). Strangeness production (mean multiplicities of produced $\Lambda/\Sigma^0$ hyperons and…

High Energy Physics - Experiment · Physics 2007-05-23 Dieter Roehrich , NA35 Collaboration

With new data available from the SPS, at 40 and 80 GeV/A, I review the systematics of bulk hadron multiplicities, with prime focus on strangeness production. The classical concept of strangeness enhancement in central AA collisions is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Reinhard Stock

We consider the experimental data on yields of protons, strange $\Lambda^{\prime}$s, and multistrange baryons ($\Xi$, $\Omega$), and antibaryons production on nuclear targets, and the experimental ratios of multistrange to strange…

High Energy Physics - Phenomenology · Physics 2022-06-29 G. H. Arakelyan , C. Merino , Yu. M. Shabelski

We report multi-differential measurements of strange hadron production ranging from mid- to target-rapidity in Au+Au collisions at a center-of-momentum energy per nucleon pair of $\sqrt{s_{\rm NN}}=3$ GeV with the STAR experiment at RHIC.…

Nuclear Experiment · Physics 2024-07-16 The STAR Collaboration

Strangeness production was investigated during the equilibration of a gluon dominated parton plasma produced at RHIC and LHC energies. The time evolution of parton densities are followed by a set of rate equations in a 1-dimensional…

High Energy Physics - Phenomenology · Physics 2009-10-28 P. Levai , X. N. Wang

Measurements of strangeness production in jets help illuminate the QCD mechanisms in fragmentation. Furthermore, they provide a crucial baseline for heavy-ion studies where modifications in jet chemistry have recently been predicted. We…

Nuclear Experiment · Physics 2019-08-14 Anthony R. Timmins

We present an overview of recent STAR results on strangeness production in p+p and heavy-ion collisions at RHIC. In both Cu+Cu and Au+Au collisions we show the centrality dependencies of bulk yield and mid-$p_{T}$ spectrum measurements with…

Nuclear Experiment · Physics 2019-08-13 Anthony R Timmins

The dependence of particle production on the size of the colliding nuclei is analysed in terms of the thermal model using the canonical ensemble. The concept of strangeness correlation in clusters of sub-volume $V_c$ is used to account for…

High Energy Physics - Phenomenology · Physics 2017-02-09 H. Oeschler , J. Cleymans , B. Hippolyte , K. Redlich , N. Sharma

Strangeness (K$^{0,+}$, $\Lambda$ and $\Sigma^{-,0,+}$) production in heavy-ion collisions near threshold energies has been investigated within the Lanzhou quantum molecular dynamics (LQMD) transport model. The kaon (anti-kaon)-nucleon and…

Nuclear Theory · Physics 2015-06-17 Zhao-Qing Feng

We argue that the shape of the system-size dependence of strangeness production in nucleus-nucleus collisions can be understood in a picture that is based on the formation of clusters of overlapping strings. A string percolation model…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Hoehne , F. Puehlhofer , R. Stock

Analyses of the centrality binned identified hadron multiplicities at SPS and RHIC within the statistical-thermal model point to strangeness saturation with increasing centrality and energy.

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Cleymans , B. Kampfer , S. Wheaton

Highly effective conversion of kinetic energy into abundant particle multiplicity is the remarkable feature discovered in high energy heavy ion collisions. This short and pedagogic review addresses topical issues related to the…

Nuclear Theory · Physics 2009-04-17 Johann Rafelski

The idea that effective string tension increases as a result of the hard gluon kinks on a string is applied to study the strange particle production in proton-nucleus and nucleus-nucleus collisions. It is found that the effective string…

Nuclear Theory · Physics 2008-11-26 Tai An , Sa Ben-Hao

Various aspects of heavy flavor production in heavy ion collisions in the context of elementary collisions are reviewed. The interplay between theory in experiment in $\epem$ and $\pbarp$ data is been found to be non-trivial, even with new…

Nuclear Experiment · Physics 2009-11-10 Peter Steinberg

Strange and charmed baryon productions from proton-antiproton collisions are studied in the effective Lagrangian and Regge approaches. We include only the $t$-channel dynamics which is dominant for the diffractive region that is relevant in…

High Energy Physics - Phenomenology · Physics 2020-12-21 Thanat Sangkhakrit , Sang-In Shim , Yupeng Yan , Atsushi Hosaka

>A review of meson emission in heavy ion collisions at incident energies around 1 -- 2 $A\cdot$GeV is presented. It is shown how the shape of the spectra and the various particle yields vary with system size, with centrality and with…

Nuclear Experiment · Physics 2008-11-26 Helmut Oeschler

The behavior of kaons and pions in strange quark matter in weak equilibrium, is investigated within the SU(3) Nambu-Jona-Lasinio [NJL] model. This work focuses a region of high densities where the behavior of mesons has not been explored in…

High Energy Physics - Phenomenology · Physics 2007-05-23 Pedro Costa , Maria C. Ruivo