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We calculate saturation curves for strange hadron matter using recently constructed baryon-baryon potentials which are constrained by SU(3) symmetry. All possible interaction channels within the baryon octet (consisting of $N$, $\Lambda$,…

Nuclear Theory · Physics 2009-10-31 V. G. J. Stoks , T. -S. H. Lee

Net-baryon, net-charge and net-strangeness number fluctuations in high energy heavy-ion collisions are discussed within the framework of a hadron resonance gas (HRG) model. Ratios of the conserved number susceptibilities calculated in HRG…

Nuclear Experiment · Physics 2015-06-15 P. Garg , D. K. Mishra , P. K. Netrakanti , B. Mohanty , A. K. Mohanty , B. K. Singh , N. Xu

The study delves into the production of (multi-)strange hadrons in proton-proton collisions at LHC. Novel observables are proposed to distinguish between EPOS4, based on core-corona separation between a thermalised QGP phase and a vacuum…

High Energy Physics - Phenomenology · Physics 2024-10-07 Christian Bierlich , Stefano Cannito , Valentina Zaccolo

We establish that the charmed hadrons start dissociating at the chiral crossover temperature, ${T_{pc}}$, leading to the appearance of charm degrees freedom carrying fractional baryon number. Our method is based on analyzing the second and…

High Energy Physics - Lattice · Physics 2024-01-03 Sipaz Sharma

Fluctuations of conserved quantities, such as baryon, electric charge and strangeness number, are sensitive observables in heavy-ion collisions to search for the QCD phase transition and critical point. In this paper, we performed a…

Nuclear Experiment · Physics 2017-07-17 Chang Zhou , Ji Xu , Xiaofeng Luo , Feng Liu

We calculated the QCD equation of state using Taylor expansions that include contributions from up to sixth order in the baryon, strangeness and electric charge chemical potentials. Calculations have been performed with the Highly Improved…

The strangeness contribution to the electric and magnetic properties of the nucleon has been under investigation experimentally for many years. Lattice Quantum Chromodynamics (LQCD) gives theoretical predictions of these measurements by…

High Energy Physics - Lattice · Physics 2008-01-24 Dean Darnell

The results of the WA97 collaboration for strange particle production at mid-rapidity in Pb--Pb collisions at 158 GeV A/c at CERN display a strong strangeness enhancement with system size at mid-rapidity which is dependent on the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Sahal Yacoob , Jean Cleymans

We compare the lattice results on QCD phase diagram for two and three flavors with the hadron resonance gas model (HRGM) calculations. Lines of constant energy density $\epsilon$ have been determined at different baryo-chemical potentials…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Tawfik

We discuss properties of statistical QCD relevant in Fermi phase space model analysis of strange hadron production experimental data. We argue that the analysis results interpreted using established statistical QCD properties are…

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

We calculate one-loop correction to the axial charges of the octet baryons using quenched chiral perturbation theory, in order to understand chiral behavior of the axial charges in quenched approximation to quantum chromodynamics (QCD). In…

High Energy Physics - Lattice · Physics 2009-10-28 Myunggyu Kim , Seyong Kim

We present the phase diagram and the fluctuations of different conserved charges like quark number, charge and strangeness at vanishing chemical potential for the 2+1 flavor Polyakov Loop extended Nambu--Jona-Lasinio model with eight-quark…

High Energy Physics - Phenomenology · Physics 2011-07-26 Paramita Deb , Abhijit Bhattacharyya , Sanjay K. Ghosh , Rajarshi Ray , Anirban Lahiri

We calculate the baryon number--electric charge susceptibility at non-vanishing baryo-chemical potential within the model of hadron gas where pion-nucleon interaction is accounted for by the $S$-matrix formalism. The susceptibility is…

Nuclear Theory · Physics 2026-04-14 Vojtech Honek , Pok Man Lo , Boris Tomasik

We study the strangeness production in hot and dense nuclear medium, by requiring the conservation of the baryon density, electric charge fraction and zero net strangeness. The hadronic equation of state is investigated by means of an…

Nuclear Theory · Physics 2012-10-02 F. Iazzi , R. Introzzi , A. Lavagno , D. Pigato , M. H. Younis

Strangeness and charm degrees of freedom in strongly interacting matter are discussed within a quasi-particle model adjusted to lattice QCD data. The model allows to extrapolate lattice QCD data to large baryo-chemical potential. We outline…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. Kampfer , M. Bluhm

We present the full results of the Wuppertal-Budapest lattice QCD collaboration on flavor diagonal and non-diagonal quark number susceptibilities with 2+1 staggered quark flavors, in a temperature range between 125 and 400 MeV. The light…

High Energy Physics - Lattice · Physics 2015-06-03 Szabolcs Borsanyi , Zoltan Fodor , Sandor D. Katz , Stefan Krieg , Claudia Ratti , Kalman Szabo

We consider the quark-mass dependence of the baryon octet and decuplet ground state masses. It is predicted that QCD dynamics implies a first order transition when increasing the strange quark mass from its chiral limit towards its physical…

High Energy Physics - Lattice · Physics 2020-04-22 Xiao-Yu Guo , Yonggoo Heo , Matthias F. M. Lutz

The two-particle correlation technique applied to $K^-\Lambda$ pairs in pp collisions at LHC recently provided the most precise data on the strangeness $S=-2$ meson-baryon interaction. In this letter, we use for the first time femtoscopic…

High Energy Physics - Phenomenology · Physics 2023-12-21 V. Mantovani Sarti , A. Feijoo , I. Vidaña , A. Ramos , F. Giacosa , T. Hyodo , Y. Kamiya

Analytic expressions are given for the baryonic, electric and strangeness chemical potentials which explicitly show the importance of various terms. Simple scaling relations connecting these chemical potentials are found. Applications to…

Nuclear Theory · Physics 2008-11-26 Aram Z. Mekjian

In nuclear collisions at RHIC energies, an excess of $\Omega$ hyperons over $\bar{\Omega}$ is observed, indicating that $\Omega$ carries a net baryon number despite $s$ and $\bar{s}$ quarks being produced in pairs. The baryon number in…

High Energy Physics - Phenomenology · Physics 2023-11-06 Weijie Dong , Xiaozhou Yu , Siyuan Ping , Xiatong Wu , Gang Wang , Huan Zhong Huang , Zi-Wei Lin
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