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We compare lattice QCD results for appropriate combinations of net strangeness fluctuations and their correlations with net baryon number fluctuations with predictions from two hadron resonance gas (HRG) models having different strange…

Ratios of cumulants of conserved net charge fluctuations are sensitive to the degrees of freedom that are carriers of the corresponding quantum numbers in different phases of strong interaction matter. We calculate second and fourth order…

High Energy Physics - Lattice · Physics 2019-08-14 Heng-Tong Ding

We present results on the second-order fluctuations of and correlations among net baryon number, electric charge and strangeness in (2+1)-flavor lattice QCD in the presence of a background magnetic field. Simulations are performed using the…

High Energy Physics - Lattice · Physics 2021-07-14 H. -T. Ding , S. -T. Li , Q. Shi , X. -D. Wang

The possible existence of strange stars in the universe will help in the understanding of various properties of quantum chromodynamics, like asymptotic freedom and chiral symmetry restoration, which is otherwise very difficult to prove in…

Astrophysics · Physics 2007-05-23 Manjari Bagchi , Subharthi Ray , Mira Dey , Jishnu Dey

We use up to fourth-order charm fluctuations and their correlations with net baryon number, electric charge, and strangeness fluctuations, calculated within the framework of lattice QCD, to study the continuum partial pressure contributions…

High Energy Physics - Lattice · Physics 2025-04-02 Sipaz Sharma , Frithjof Karsch , Peter Petreczky

We present a lattice study of fluctuations and correlations among the conserved charges baryon number and strangeness in (2+1)-flavor QCD. The lattice calculations are based on a Taylor expansion of the pressure. Results are presented at…

High Energy Physics - Lattice · Physics 2014-11-20 Christian Schmidt

I discuss the zero temperature phase diagram of QCD, as a function of baryon density and strange quark mass. The noteworthy points are that at sufficiently high density chiral symmetry is always restored, and at low strange quark mass there…

High Energy Physics - Lattice · Physics 2015-06-25 M. Alford

The size of the average fluctuations of net baryon number and electric charge in a finite volume of hadronic matter differs widely between the confined and deconfined phases. These differences may be exploited as indicators of the formation…

High Energy Physics - Phenomenology · Physics 2009-10-09 Masayuki Asakawa , Ulrich Heinz , Berndt Muller

We present results on baryon number, strangeness and electric charge fluctuations in QCD at non-zero density and temperature obtained from lattice calculations with almost physical quark masses. At vanishing chemical potential, i.e. under…

High Energy Physics - Lattice · Physics 2008-11-26 C. Schmidt , for RBC-Bielefeld Collaboration

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

We present results on bulk thermodynamic quantities as well as net baryon number, strangeness and electric charge fluctuations in QCD at non-zero density and temperature obtained from lattice calculations with almost physical quark masses…

High Energy Physics - Lattice · Physics 2008-11-26 Chuan Miao , Christian Schmidt

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

I review some aspects of the role of strange quarks in hot QCD matter and as probes of quark deconfinement at high temperature.

Nuclear Theory · Physics 2012-05-09 Berndt Müller

We construct net baryon number and strangeness susceptibilities as well as correlations between electric charge, strangeness and baryon number from experimental data on the particle production yields at midrapidity of the ALICE…

High Energy Physics - Phenomenology · Physics 2016-11-23 P. Braun-Munzinger , A. Kalweit , K. Redlich , J. Stachel

We explore the presence of thermodynamic instabilities and, con\-se\-quen\-tly, the realization of a pure hadronic phase transition in the hot and finite baryon density nuclear matter. The analysis is performed by means of an effective…

Nuclear Theory · Physics 2023-01-18 A. Lavagno , D. Pigato

We review the results of a phenomenological model for cold and dense nuclear matter exhibiting a chiral phase transition. The idea is to model the quark-hadron phase transition under neutron star conditions within a single model, but…

Nuclear Theory · Physics 2022-11-30 Eduardo S. Fraga , Rodrigo da Mata , Savvas Pitsinigkos , Andreas Schmitt

Strangeness flavor has turned out to be a very effective diagnostic tool of relativistic heavy ion physics. The absolute yield provides information about conditions arising in first instants of the interaction. Strange hadrons are abundant…

Nuclear Theory · Physics 2017-08-23 Johann Rafelski , Giorgio Torrieri , Jean Letessier

We derive a simple relation between strangeness neutrality and baryon-strangeness correlations. In heavy-ion collisions, the former is a consequence of quark number conservation of the strong interactions while the latter are sensitive…

High Energy Physics - Phenomenology · Physics 2020-01-22 Wei-jie Fu , Jan M. Pawlowski , Fabian Rennecke

We investigate the density fluctuations induced by hadronic interactions at low temperatures and large chemical potentials after the hadronization of quark-gluon plasma~(QGP). We analyze the structures of net-baryon number kurtosis and…

Nuclear Theory · Physics 2020-04-29 Guo-yun Shao , Xue-yan Gao , Wei-bo He

We discuss how the dynamics of the evolving hot fireball of quark--gluon matter impacts phase transition between the deconfined and confined state of matter. The rapid expansion of the fireball of deconfined matter created in heavy ion…

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