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Related papers: Strangeness neutrality and baryon-strangeness corr…

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It is generally agreed on that the tremendous densities reached in the centers of neutron stars provide a high-pressure environment in which several intriguing particles processes may compete with each other. These range from the generation…

Astrophysics · Physics 2008-11-26 Fridolin Weber , Alexander Ho , Rodrigo P. Negreiros , Philip Rosenfield

The baryon-baryon interactions with strangeness S = -2 with the flavor SU(3) breaking are calculated for the first time by using the HAL QCD method extended to coupled channel system in lattice QCD. The potential matrices are extracted from…

High Energy Physics - Lattice · Physics 2015-11-18 Kenji Sasaki , Sinya Aoki , Takumi Doi , Tetsuo Hatsuda , Yoichi Ikeda , Takashi Inoue , Noriyoshi Ishii , Keiko Murano

The assumption that the production of quark-antiquark pairs and their sequential string-breaking taking place through the event horizon of the color confinement determines freezeout temperature and gives a plausible interpretation of the…

General Physics · Physics 2017-01-17 Abdel Nasser Tawfik , Hayam Yassin , Eman R. Abo Elyazeed

The study of strange and also charmed hadronic particle production in nuclear relativistic collisions offers an opportunity to explore the physical properties of the deconfined quark-gluon phase. We survey the recent accomplishments and the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Johann Rafelski

Strange particles and hyperfragments in collisions of antiprotons and protons on nuclei have been investigated systematically within a microscopic transport model. The hyperons are produced from the annihilation in antibaryon-baryon…

Nuclear Theory · Physics 2020-06-04 Zhao-Qing Feng

We present a strangeness-neutral equation of state for QCD that exhibits critical behavior and matches lattice QCD results for the Taylor-expanded thermodynamic variables up to fourth-order in $\mu_B/T$. It is compatible with the SMASH…

High Energy Physics - Phenomenology · Physics 2021-03-16 J. M. Stafford , D. Mroczek , A. R. Nava Acuna , J. Noronha-Hostler , P. Parotto , D. R. P. Price , C. Ratti

The properties of strange hadronic matter are studied in the context of the modified quark-meson coupling model using two substantially different sets of hyperon-hyperon ($YY$) interactions. The first set is based on the Nijmegen hard core…

Nuclear Theory · Physics 2016-09-08 I. Zakout , H. R. Jaqaman , H. Steocker , W. Greiner

Recent discoveries of manifestly exotic, narrow baryon resonances present a fundamental challenge for our theoretical understanding of low-energy QCD. This is a brief survey of their interpretation, emphasizing the possibility that diquark…

High Energy Physics - Phenomenology · Physics 2011-09-13 Robert Jaffe , Frank Wilczek

We consider the production of strange particles in Pb-Pb and p-A collisions at the SPS energy reported by the WA97 experiment. We show that the observed enhancement of strange baryon and antibaryon yields in Pb-Pb collisions relative to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Salah Hamieh , Krzysztof Redlich , Ahmed Tounsi

Kaon properties are studied within the framework of a fully covariant transport approach. The kaon-nucleon potential is evaluated in two schemes, a chiral perturbative approach and an effective One-Boson-Exchange model. Isospin effects are…

Nuclear Theory · Physics 2010-01-15 V. Prassa , T. Gaitanos , G. Ferini , M. Di Toro , G. A. Lalazissis , H. H. Wolter

Using quenched lattice QCD simulations we investigate the continuum limit of baryon-strangeness correlation and other related conserved charge-flavour correlations for temperatures T_c<T\le2T_c. By working with lattices having large…

High Energy Physics - Lattice · Physics 2008-11-26 Swagato Mukherjee

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

We present results for the QCD Equation of State at non-zero chemical potentials corresponding to the conserved charges in QCD using Taylor expansion upto sixth order in the baryon number, electric charge and strangeness chemical…

High Energy Physics - Lattice · Physics 2018-03-14 Sayantan Sharma , for Bielefeld-BNL-CCNU collaboration

Correlations between the strange quark mass, strange quark condensate $\langle \bar s s\rangle$, and the kaon partially conserved axial current (PCAC) relation are developed. The key dimensionless and renormalization-group invariant…

High Energy Physics - Phenomenology · Physics 2021-08-12 D. Harnett , J. Ho , T. G. Steele

Quark coalescence models have been applied successfully to reproduce measured hadron production data in relativistic heavy ion collisions at SPS and RHIC energies, which finding strongly supports the formation of deconfined quark matter in…

Nuclear Theory · Physics 2008-11-26 P. Levai

The study of the strangeness production from pp collisions plays important roles in two aspects: exploring the properties of baryon resonances involved and understanding the strangeness production from heavy ion collisions to explore the…

Nuclear Theory · Physics 2010-03-04 Bing-Song Zou , Ju-Jun Xie

We update results on the QCD equation of state in (2+1)-flavor QCD with non-zero conserved charge chemical potentials obtained from an eighth-order Taylor series. We present results for basic bulk thermodynamic observables of…

High Energy Physics - Lattice · Physics 2023-08-02 D. Bollweg , D. A. Clarke , J. Goswami , O. Kaczmarek , F. Karsch , Swagato Mukherjee , P. Petreczky , C. Schmidt , Sipaz Sharma

Motivated by the successes of covariant baryon chiral perturbation theory in one-baryon systems and in heavy-light systems, we study relevance of relativistic effects in hyperon-nucleon interactions with strangeness $S=-1$. In this…

High Energy Physics - Phenomenology · Physics 2016-07-27 Kai-Wen Li , Xiu-Lei Ren , Li-Sheng Geng , Bing-Wei Long

The enhancement of strange particle production observed in nucleus-nucleus collisions at CERN is explained by the combined effect of the increase in the relative number of strings containing strange constitutents at the ends, and the final…

High Energy Physics - Phenomenology · Physics 2009-10-28 A. Capella

Non-perturbative QCD vacuum effects at finite density are parametrized by means of a bag constant $B$. It is extracted from a Nambu- Jona Lasinio model with two or three flavors. The parameter $B$ is used in an effective quark-meson…

Nuclear Theory · Physics 2014-11-18 R. Aguirre
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