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Related papers: Freeze-out parameters: lattice meets experiment

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Recent results for moments of multiplicity distributions of net-protons and net-electric charge from the STAR collaboration are compared to lattice QCD results for higher order fluctuations of baryon number and electric charge by the…

High Energy Physics - Lattice · Physics 2014-08-06 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

We present continuum extrapolated lattice results for the higher order fluctuations of conserved charges in high temperature Quantum Chromodynamics. Through the matching of the grand canonical ensemble on the lattice to the net charge and…

High Energy Physics - Lattice · Physics 2013-12-02 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

We calculate several diagonal and non-diagonal fluctuations of conserved charges in a system of 2+1+1 quark flavors with physical masses, on a lattice with size $48^3\times12$. Higher order fluctuations at $\mu_B=0$ are obtained as…

We present a determination of freeze-out conditions in heavy-ion collisions based on ratios of cu- mulants of net electric charge fluctuations obtained from lattice QCD. These ratios can reliably be calculated for a wide range of chemical…

High Energy Physics - Lattice · Physics 2014-05-01 Mathias Wagner

We calculate the first four moments of baryon number, electric charge and strangeness fluctuations within the hadron resonance gas model. Different moments and their ratios as well as skewness and kurtosis are evaluated on the…

High Energy Physics - Phenomenology · Physics 2011-06-27 Frithjof Karsch , Krzysztof Redlich

We present a determination of chemical freeze-out conditions in heavy ion collisions based on ratios of cumulants of net electric charge fluctuations. These ratios can reliably be calculated in lattice QCD for a wide range of chemical…

High Energy Physics - Lattice · Physics 2012-11-27 A. Bazavov , H. -T. Ding , P. Hegde , O. Kaczmarek , F. Karsch , E. Laermann , Swagato Mukherjee , P. Petreczky , C. Schmidt , D. Smith , W. Soeldner , M. Wagner

We calculate cumulants of fluctuations of net-baryon number, net-electric charge and net-strangeness, in the framework of lattice regularized QCD. We use a highly improved staggered quark (HISQ) action on lattices with temporal extent of…

High Energy Physics - Lattice · Physics 2013-01-29 Christian Schmidt

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 describe a procedure for determination of freeze-out parameters of heavy-ion collisions through direct comparisons between experimentally measured higher order cumulants of charge fluctuations and first principle (lattice) QCD…

Nuclear Theory · Physics 2015-06-12 Swagato Mukherjee

Like fluctuations, non-diagonal correlators of conserved charges provide a tool for the study of chemical freeze-out in heavy ion collisions. They can be calculated in thermal equilibrium using lattice simulations, and be connected to…

We analyze baryon number, strangeness and electric charge fluctuations as well as their correlations in QCD at high temperature. We present results obtained from lattice calculations performed with an improved staggered fermion action…

High Energy Physics - Lattice · Physics 2013-05-29 M. Cheng , P. Hegde , C. Jung , F. Karsch , O. Kaczmarek , E. Laermann , R. D. Mawhinney , C. Miao , P. Petreczky , C. Schmidt , W. Soeldner

We present lattice results for baryon number, strangeness and electric charge fluctuations as well as their correlations at finite temperature and vanishing chemical potentials, i.e. under conditions relevant for RHIC and LHC. We find that…

High Energy Physics - Lattice · Physics 2019-08-14 C. Miao

We study fluctuations of conserved charges including baryon number, electric charge, and strangeness as well as the correlations among these conserved charges in the 2+1 flavor Polyakov--Nambu--Jona-Lasinio model at finite temperature. The…

High Energy Physics - Phenomenology · Physics 2010-04-06 Wei-jie Fu , Yu-xin Liu , Yue-Liang Wu

We study the fluctuations and correlations of conserved charges, i.e. the baryon number, electric charge and the strangeness at finite temperature and nonzero baryon chemical potential with an effective model. The fluctuations are…

High Energy Physics - Phenomenology · Physics 2010-10-27 Wei-jie Fu , Yue-liang Wu

We calculate the quadratic fluctuations of net baryon number, electric charge and strangeness as well as correlations among these conserved charges in (2+1)-flavor lattice QCD at zero chemical potential. Results are obtained using…

We compare the mean-over-variance ratio of the net-kaon distribution calculated within a state-of-the-art hadron resonance gas model to the latest experimental data from the Beam Energy Scan at RHIC by the STAR collaboration. Our analysis…

High Energy Physics - Phenomenology · Physics 2019-04-03 R. Bellwied , J. Noronha-Hostler , P. Parotto , I. Portillo Vazquez , C. Ratti , J. M. Stafford

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

We evaluate the ratio of baryon and electric-charge cumulants at second order from the recent experimental results at $\sqrt{s_{_{NN}}}=200$ GeV by the STAR Collaboration. The baryon number cumulant is reconstructed from the proton number…

High Energy Physics - Phenomenology · Physics 2022-12-28 Masakiyo Kitazawa , ShinIchi Esumi , Toshihiro Nonaka

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

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
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