English
Related papers

Related papers: Chemical Freeze-out Parameters via a Non-perturbat…

200 papers

The thermal and quark/baryon chemical potential dependences of quark condensate and masses of $\pi$- and $\sigma$-mesons are studied in the instanton model of the QCD vacuum in precritical region. The impact of phonon-like excitations of…

High Energy Physics - Phenomenology · Physics 2008-11-26 S. V. Molodtsov , A. N. Sissakian , A. S. Sorin , G. M. Zinovjev

The behaviour of the topological susceptibility \chi in QCD with two colours and 8 flavours of quarks is studied at nonzero temperature on the lattice across the finite density transition. It is shown that the signal of \chi drops abruptly…

High Energy Physics - Lattice · Physics 2008-11-26 B. Alles , M. D'Elia , M. P. Lombardo

Using numerical simulations of lattice QCD with physical quark masses, we reveal the influence of magnetic-field background on chiral and deconfinement crossovers in finite-temperature QCD at low baryonic density. In the absence of…

High Energy Physics - Lattice · Physics 2019-12-18 V. V. Braguta , M. N. Chernodub , A. Yu. Kotov , A. V. Molochkov , A. A. Nikolaev

We study four flavor QCD at nonzero temperature and density by analytic continuation from an imaginary chemical potential. The explored region is T = 0.95 T_c < T < 3.5 T_c, and the baryochemical potentials range from 0 to approx. 500 MeV.…

High Energy Physics - Lattice · Physics 2011-09-29 Massimo D'Elia , Maria Paola Lombardo

We study the temperature and baryon density dependence of the masses of the lightest charmed baryons $\Lambda_c$, $\Sigma_c$ and $\Sigma^*_c$. We also look at the effects of the temperature and baryon density on the binding energies of the…

High Energy Physics - Phenomenology · Physics 2018-12-26 T. F. Caramés , C. E. Fontoura , G. Krein , J. Vijande , A. Valcarce

We extend the Parton-Hadron-String Dynamics (PHSD) transport approach in the partonic sector by explicitly calculating the total and differential partonic scattering cross sections as a function of temperature $T$ and baryon chemical…

The status of the energy dependence of the chemical freeze-out temperature and chemical potential obtained in heavy ion collisions is presented. Recent proposals for chemical freeze-out conditions are compared.

High Energy Physics - Phenomenology · Physics 2009-11-11 J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

The phase diagram of two-color QCD with non-zero chiral chemical potential is studied by means of lattice simulation. We focus on the influence of a chiral chemical potential on the confinement/deconfinement phase transition and the…

High Energy Physics - Lattice · Physics 2015-03-24 V. V. Braguta , V. A. Goy , E. -M. Ilgenfritz , A. Yu. Kotov , A. V. Molochkov , M. Muller-Preussker , B. Petersson

We evaluate thermodynamic observables such as pressure, baryon number, entropy and energy density, as well as the second and fourth order baryon number cumulants in the phase structure of QCD. The intertwined confinement and chiral dynamics…

High Energy Physics - Phenomenology · Physics 2025-04-08 Yi Lu , Fei Gao , Yu-xin Liu , Jan M. Pawlowski

We study QCD at nonzero temperature and baryon density in the framework of the analytic continuation from imaginary chemical potential. We carry out simulations of QCD with four flavor of staggered fermions, and reconstruct the phase…

High Energy Physics - Lattice · Physics 2009-11-07 M. D'Elia , M. -P. Lombardo

A baryonic chemical potential is included in the linear sigma model at finite temperature. The effective mesonic potential is numerically calculated using the midpoint technique. The meson masses are investigated as functions of the…

High Energy Physics - Phenomenology · Physics 2014-03-14 M. Abu-Shady

We present the first study of baryon-baryon interactions in the continuum limit of lattice QCD, finding unexpectedly large lattice artifacts. Specifically, we determine the binding energy of the $H$ dibaryon at a single quark-mass point.…

High Energy Physics - Lattice · Physics 2021-12-22 Jeremy R. Green , Andrew D. Hanlon , Parikshit M. Junnarkar , Hartmut Wittig

We investigate the baryon number susceptibilities up to fourth order along different freeze-out lines in a holographic QCD model with the critical end point (CEP), and we propose that the peaked baryon number susceptibilities along the…

High Energy Physics - Phenomenology · Physics 2017-11-15 Zhibin Li , Yidian Chen , Danning Li , Mei Huang

The N-radial Schr\"odinger equation is analytically solved by using SUSYQM method, in which the heavy quarkonia potential is introduced at finite temperature and baryon chemical potential. The energy eigenvalue is calculated in the…

High Energy Physics - Phenomenology · Physics 2019-03-07 M. Abu-Shady , A. N. Ikot

We study chemical freeze-out parameters for heavy-ion collisions by performing two different thermal analyses. We analyze results from thermal fits for particle yields, as well as, net-charge fluctuations in order to characterize the…

We propose a new framework for investigating two-flavor lattice QCD with finite temperature and density by applying the Karsten-Wilczek lattice fermion, in which a species-dependent imaginary chemical potential can reduce the number of…

High Energy Physics - Lattice · Physics 2012-12-21 Taro Kimura , Tatsuhiro Misumi , Akira Ohnishi

We present our results for ratios of higher order fluctuations of electric charge as functions of the temperature. These results are obtained in a system of 2+1 quark flavors at physical quark masses and continuum extrapolated. We compare…

High Energy Physics - Lattice · Physics 2013-08-14 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

Using the UrQMD/coarse graining approach we explore the kinetic freeze-out stage in central Au + Au collisions at various energies. These studies allow us to obtain detailed information on the thermodynamic properties (e.g. temperature and…

High Energy Physics - Phenomenology · Physics 2020-01-29 Gabriele Inghirami , Paula Hillmann , Boris Tomášik , Marcus Bleicher

We compare the statistical thermodynamics of hadron resonance gas with recent LGT results at finite chemical potential. We argue that for $T\leq T_c$ the equation of state derived from Monte--Carlo simulations of two quark--flavor QCD at…

High Energy Physics - Phenomenology · Physics 2016-09-06 Krzysztof Redlich

In heavy ion collision experiments as well as in neutron stars, both baryon and isospin chemical potentials are different from zero. In particular, the regime of small isospin chemical potential is phenomenologically important. Using a…

High Energy Physics - Lattice · Physics 2009-11-10 D. Toublan , B. Klein , J. J. M. Verbaarschot