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Related papers: Resonances Do Not Equilibrate

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We investigate the yield of $\Lambda(1520)$ resonance in heavy ion collisions within the framework of a kinetic master equation without the assumption of chemical equilibrium. We show that reactions such as $\Lambda(1520)+\pi…

Nuclear Theory · Physics 2009-02-18 Inga Kuznetsova , Johann Rafelski

Yields of Delta(1230), Sigma(1385) resonances produced in heavy ion collisions are studied within the framework of a kinetic master equation. The time evolution is driven by the process Delta(1230) \leftrightarrow N \pi, Sigma(1385)…

Nuclear Theory · Physics 2008-11-26 Inga Kuznetsova , Johann Rafelski

We show that a measurement of the reaction energy dependence of relative hadron resonance yields in heavy ion collisions can be used to study the phase structure of the dense QCD matter created in these collisions, and investigate the…

Nuclear Theory · Physics 2008-11-26 Giorgio Torrieri , Johann Rafelski

We introduce the equilibrium and non-equilibrium statistical hadronization picture of particle production in ultra-relativistic heavy ion collisions. We describe the related physical reaction scenarios, and show how these can lead to quark…

Nuclear Theory · Physics 2011-07-19 Giorgio Torrieri , Jean Letessier , Johann Rafelski , Steve Steinke

The production and the observability of $\Lambda(1520)$, $K^0(892)$ $\Phi$ and $\Delta(1232)$ hadron resonances in central Pb+Pb collisions at 160 AGeV is addressed. The rescattering probabilities of the resonance decay products in the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Marcus Bleicher , Jörg Aichelin

In characterizing the yields and ratios various of well identified particles in the ALICE experiment, we utilize extensive {\it additive} thermal approaches, to which various missing states of the hadron resonances are taken into…

High Energy Physics - Phenomenology · Physics 2019-07-01 Abdel Nasser Tawfik , Hayam Yassin , Eman R. Abo Elyazeed

The yields of heavy flavored hadrons emitted from 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 2008-11-26 Inga Kuznetsova , Johann Rafelski

We study charge fluctuations within the statistical hadronization model. Considering both the particle yield ratios and the charge fluctuations we show that it is possible to differentiate between chemical equilibrium and non-equilibrium…

Nuclear Theory · Physics 2009-11-11 Giorgio Torrieri , Sangyong Jeon , Johann Rafelski

We study the dynamical fluctuations of various particle yield ratios at different incident energies. Assuming that the particle production yields in the hydronic final state are due to equilibrium chemical processes ($\gamma=1$), the…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. Tawfik

We examine the stability of hadron resonance gas models by extending them to take care of undiscovered resonances through the Hagedorn formula. We find that the influence of unknown resonances on thermodynamics is large but bounded. Hadron…

High Energy Physics - Phenomenology · Physics 2010-04-29 S. Chatterjee , R. M. Godbole , Sourendu Gupta

We perform an analysis of preliminary data on hadron yields and fluctuations within the Statistical hadronization ansatz. We describe the theoretical disagreements between different statistical models currently on the market, and show how…

Nuclear Theory · Physics 2008-11-26 Giorgio Torrieri

Hyperon resonances are becoming an extremely useful tool allowing the study of the properties of hadronic fireballs made in heavy ion collisions. Their yield, compared to stable particles with the same quark composition, depends on…

High Energy Physics - Phenomenology · Physics 2009-11-07 C. Markert , G. Torrieri , J. Rafelski

The total yields of the all well-established light mesonic resonances (up to the $\phi$(1020) meson) are estimated in neutrinonuclear interactions at < E_nu > = 10 GeV, using the data obtained with SKAT bubble chamber. For some resonances,…

High Energy Physics - Experiment · Physics 2011-05-12 N. M. Agababyan , V. V. Ammosov , M. Atayan , N. Grigoryan , H. Gulkanyan , A. A. Ivanilov , Zh. Karamyan , V. A. Korotkov

A statistical model for decay and formation of heavy hadronic resonances is formulated. The resonance properties become increasingly uncertain with increasing resonance mass. Drawing on analogy with the situation in low-energy nuclear…

Nuclear Theory · Physics 2009-11-11 Subrata Pal , Pawel Danielewicz

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

The resonance production of $\Delta$, K(892), $\Sigma$(1385), $\Lambda$(1520) and $\phi$ from elementary p+p and Au+Au collisions at $\sqrt{s_{\rm NN}} = $ 200 GeV from the STAR experiment at RHIC is presented. Yields and spectra are…

Nuclear Experiment · Physics 2019-08-14 C. Markert

Production of $\phi(1020), \Lambda^*(1520)$ and $\bar{K^*}(892)$ resonances at the final stage of a heavy-ion collision is considered. It is shown that original momentum distributions and abundance of resonances formed during the process of…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. E. Kolomeitsev , P. Filip

Within the model of partial chemical equilibrium (PCE) we calculate the multiplicity ratios of selected unstable resonances to given stable species. We focus on those ratios that have been measured either in Pb+Pb collisions at the LHC or…

Nuclear Theory · Physics 2025-01-22 Boris Tomasik , Sandor Lokos

The prediction for $p_T$ spectra of various resonances produced in Pb+Pb collisions at 2.76 TeV at the LHC in equilibrium and non-equilibrium models is made. It includes the $\eta$, $\rho$(770), $\Sigma$(1385), $\Lambda$(1520), and…

High Energy Physics - Phenomenology · Physics 2018-03-14 Viktor Begun

Resonances are sensitive to the properties of the medium created in heavy ion collision. They also provide insight into the properties of the hadronic phase. Studying the dependence of the yield of resonances on transverse spherocity and…

High Energy Physics - Phenomenology · Physics 2023-03-07 Nasir Mehdi Malik , Sanjeev Singh Sambyal
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