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Recent results on QCD thermodynamics: lattice QCD versus Hadron Resonance Gas model
Szabolcs Borsanyi, Zoltan Fodor, Christian Hoelbling +4
We present our most recent investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement [JHEP 1009:073, 2010]. We extend…
Dual condensate and QCD phase transition
Bo Zhang, Falk Bruckmann, Christof Gattringer +2
The dual condensate is a new QCD phase transition order parameter, which connnects confinement and chiral symmetry breaking as different mass limits. We discuss the relation betwee…
Sigma term and strangeness content of the nucleon
S. Durr, Z. Fodor, J. Frison +11
A status report is given for a joint project of the Budapest-Marseille-Wuppertal collaboration and the Regensburg group to study the quark mass-dependence of octet baryons in SU(3)…
Lattice QCD at the physical point: Simulation and analysis details
S. Durr, Z. Fodor, C. Hoelbling +7
We give details of our precise determination of the light quark masses m_{ud}=(m_u+m_d)/2 and m_s in 2+1 flavor QCD, with simulated pion masses down to 120 MeV, at five lattice spa…
Electromagnetic corrections to light hadron masses
A. Portelli, S. Dürr, Z. Fodor +9
At the precision reached in current lattice QCD calculations, electromagnetic effects are becoming numerically relevant. We will present preliminary results for electromagnetic cor…
Centrality dependence of proton and antiproton spectra in Pb+Pb collisions at 40A GeV and 158A GeV measured at the CERN SPS
T. Anticic, B. Baatar, D. Barna +68
The yields of (anti-)protons were measured by the NA49 Collaboration in centrality selected Pb+Pb collisions at 40A GeV and 158A GeV. Particle identification was obtained in the la…
Coherent center domains from local Polyakov loops
Szabolcs Borsanyi, Julia Danzer, Zoltan Fodor +2
We analyze properties of local Polyakov loops using quenched as well as dynamical SU(3) gauge configurations for a wide range of temperatures. It is demonstrated that for both, the…
The QCD equation of state with dynamical quarks
Szabolcs Borsanyi, Gergely Endrodi, Zoltan Fodor +5
The present paper concludes our investigation on the QCD equation of state with 2+1 staggered flavors and one-link stout improvement. We extend our previous study [JHEP 0601:089 (2…
Measurement of and mesons in Al+Al collisions at 1.9 GeV
X. Lopez, N. Herrmann, K. Piasecki
New measurement of sub-threshold and production is presented. The experimental data complete the measurement of strange particles produced in Al+Al collisions at…
Is there still any Tc mystery in lattice QCD? Results with physical masses in the continuum limit III
Szabolcs Borsanyi, Zoltan Fodor, Christian Hoelbling +4
The present paper concludes our investigations on the QCD cross-over transition temperatures with 2+1 staggered flavours and one-link stout improvement. We extend our previous two…
Systematics of central heavy ion collisions in the 1A GeV regime
FOPI Collaboration, W. Reisdorf, A. Andronic +51
Using the large acceptance apparatus FOPI, we study central collisions in the reactions (energies in A GeV are given in parentheses): 40Ca+40Ca (0.4, 0.6, 0.8, 1.0, 1.5, 1.93), 58N…
Inclusive production of charged kaons in p+p collisions at 158 GeV/c beam momentum and a new evaluation of the energy dependence of kaon production up to collider energies
The NA49 Collaboration, T. Anticic, B. Baatar +30
New data on the production of charged kaons in p+p interactions are presented. The data come from a sample of 4.8 million inelastic events obtained with the NA49 detector at the CE…
The ratio FK/Fpi in QCD
S. Durr, Z. Fodor, C. Hoelbling +7
We determine the ratio FK/Fpi in QCD with Nf=2+1 flavors of sea quarks, based on a series of lattice calculations with three different lattice spacings, large volumes and a simulat…