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The canonical statistical model analysis of strange and multistrange hadron production in central A-A relative to p-p/p-A collisions is presented over the energy range from $\sqrt s=8.73$ GeV up to $\sqrt s =130$ GeV. It is shown that the…

High Energy Physics - Phenomenology · Physics 2011-07-19 K. Redlich , A. Tounsi

The production of strangeness on the nucleon and hyperon and hypernuclear production in heavy ion collisions at relativistic energies and in antiproton annihilation on nuclei is discussed. The reaction process is described by transport…

Nuclear Theory · Physics 2017-08-02 Horst Lenske , Xu Cao , Madhumita Dhar , Theodoros Gaitanos , Radhey Shyam

Based on a dynamical model on particle production, the production and fraction of exotic components in neutron star matter are analyzed. It is found that there exists a small fraction of strangeness in twice saturation density matter. For…

Nuclear Theory · Physics 2023-11-30 Gao-Chan Yong

An abundance of the strangeness that can be induced in a thermalized quark-gluon plasma (QGP) is considered as a signal of the QGP phase appearing in the intermediate state of ultra-relativistic heavy-ion collisions. As a quantitative…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Ya. Berdnikov , Ya. A. Berdnikov , A. N. Ivanov , V. F. Kosmach , V. M. Samsonov , N. I. Troitskaya

After pioneering works on hypernuclei, strangeness production mechanisms have been studied in hadron collisions and photoreactions in the sixties. Recent experiments at SATURNE and COSY, in the hadronic sector, as well as ELSA and JLab, in…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. -M. Laget

PACIAE, a parton and hadron cascade model, is utilized to systematically investigate strange particle production and strangeness enhancement in Au+Au collision and in Pb+Pb collision with the 200GeV at RHIC and 2.76TeV at LHC, respectively.…

High Energy Physics - Phenomenology · Physics 2015-06-16 Xiao-Wen Ren , Sheng-Qin Feng , Xian-Bao Yuan

Using a quark combination model with the equal-velocity combination approximation, we study the production of hadrons with strangeness and charm flavor quantum numbers in Pb+Pb collisions at $\sqrt{s_{NN}}=$5.02 TeV. We present analytical…

Nuclear Theory · Physics 2023-02-16 Wen-bin Chang , Rui-qin Wang , Jun Song , Feng-lan Shao , Qun Wang , Zuo-tang Liang

In order to understand strangeness production mechanisms, one can study the correlations of hadrons with hidden strangeness (e.g. the $\phi$ meson) and open strangeness ($\mathrm{K}^{0}_{\mathrm{S}}$, $\Lambda$ and $\bar{\Lambda}$) in hard…

Nuclear Experiment · Physics 2020-09-16 Justin Blair

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

The NA35 experiment used several independent methods to determine the strange particle production in p+S and S+A collisions. The different techniques show consistent results. Strangeness conservation in full phase space is used as an…

High Energy Physics - Phenomenology · Physics 2022-02-23 Juergen Eschke , NA35 Collaboration

The results of the microscopic transport calculations of $\bar p$-nucleus interactions within a GiBUU model are presented. The dominating mechanism of hyperon production is the strangeness exchange processes $\bar K N \to Y \pi$ and $\bar K…

Nuclear Theory · Physics 2017-08-23 A. B. Larionov , T. Gaitanos , H. Lenske , U. Mosel

The strangeness enhancement signature of QGP formation at LHC energies is carefully tackled in the present study. Based on HRG, the particle ratios of mainly strange and multi-strange particles are studied at energies from lower…

High Energy Physics - Phenomenology · Physics 2021-11-30 Mahmoud Hanafy , Omnia S. A. Qandil , Asmaa G. Shalaby

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

The recently proposed baryon-strangeness correlation (C_BS) is studied with a string-hadronic transport model (UrQMD) for various energies from E_lab=4 AGeV to \sqrt s=200 AGeV. It is shown that rescattering among secondaries can not mimic…

High Energy Physics - Phenomenology · Physics 2009-11-11 Stephane Haussler , Horst Stoecker , Marcus Bleicher

Within the statistical model, the net strangeness conservation and incomplete total strangeness equilibration lead to the suppression of strange particle multiplicities. Furthermore, suppression effects appear to be stronger in small…

Nuclear Theory · Physics 2014-05-09 M. I. Gorenstein , W. Greiner , A. Rustamov

We review the experimental results on strangeness and antibaryon production in heavy-ion collisions at the AGS and SPS. We argue that the observed enhancement in kaon production at the AGS is consistent with hadronic description, while the…

Nuclear Experiment · Physics 2007-05-23 Fuqiang Wang

We present a study of in-medium cross sections and (off-shell) transition rates for the most relevant binary reactions for strange pseudoscalar meson production close to threshold in heavy-ion collisions at FAIR energies. Our results rely…

High Energy Physics - Phenomenology · Physics 2015-06-19 Daniel Cabrera , Laura Tolos , Jörg Aichelin , Elena Bratkovskaya

The quark combination mechanism of QGP hadronization is applied to nucleus-nucleus collisions at top SPS energy. The yields, rapidity and transverse momentum distributions of identified hadrons in most central Pb+Pb collisions at…

High Energy Physics - Phenomenology · Physics 2009-08-20 Chang-en Shao , Jun Song , Feng-lan Shao , Qu-bing Xie

The production of dibaryons, light nuclei and hypertriton in the most central Au+Au collisions at $\sqrt{s_{NN}}=$ 11.5 and 200 GeV are investigated by using a naive coalescence model. The production of light nuclei is studied and found…

Nuclear Experiment · Physics 2016-02-17 N. Shah , Y. G. Ma , J. H. Chen , S. Zhang

Strangness production processes can balance natural strangeness decay in the early hadronic Universe. Comparing to the characteristic Hubble time $1/H$, the reaction rates for $\mu^\pm+\nu_{\mu}\rightarrow K^\pm$, $l^-+l^+\rightarrow\phi$,…

High Energy Physics - Phenomenology · Physics 2022-03-08 Johann Rafelski , Cheng Tao Yang