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Dynamical overlap fermions, results with hybrid Monte-Carlo algorithm
Z. Fodor, S. D. Katz, K. K. Szabo
We present first, exploratory results of a hybrid Monte-Carlo algorithm for dynamical, n_f=2, four-dimensional QCD with overlap fermions. As expected, the computational requirement…
Transverse Momentum Fluctuations in Nuclear Collisions at 158 AGeV
The NA49 Collaboration
Results are presented on event-by-event fluctuations in transverse momentum of charged particles, produced at forward rapidities in p+p, C+C, Si+Si and Pb+Pb collisions at 158 AGeV…
and Production in Central Pb-Pb Collisions at 40, 80, and 158 AGeV
The NA49 Collaboration, T. Anticic
Production of Lambda and Antilambda hyperons was measured in central Pb-Pb collisions at 40, 80, and 158 AGeV beam energy on a fixed target. Transverse mass spectra and rapi…
Observation of an Exotic S = -2, Q = -2 Baryon Resonance in Proton-Proton Collisions at the CERN SPS
NA49 Collaboration
Results of resonance searches in the Xi- pi-, Xi- pi+, antiXi+ pi- and antiXi+ pi+ invariant mass spectra in proton-proton collisions at sqrt{s}=17.2 GeV are presented. Evidence is…
Pentaquark hadrons from lattice QCD
F. Csikor, Z. Fodor, S. D. Katz +1
We study spin 1/2 isoscalar and isovector candidates in both parity channels for the recently discovered Θ^+(1540) pentaquark particle in quenched lattice QCD. Our analysis takes i…
Strangeness from 20 AGeV to 158 AGeV
Volker Friese
New results from the energy scan programme of NA49, in particular kaon production at 30 AGeV and phi production at 40 and 80 AGeV are presented. The K+/pi+ ratio shows a pronounced…
Lattice QCD at non-vanishing density: phase diagram, equation of state
F. Csikor, G. I. Egri, Z. Fodor +3
We propose a method to study lattice QCD at non-vanishing temperature (T) and chemical potential (μ). We use n_f=2+1 dynamical staggered quarks with semi-realistic masses on L_t=4…
Directed flow in Au+Au, Xe+CsI and Ni+Ni collisions and the nuclear equation of state
FOPI Collaboration, A. Andronic
We present new experimental data on directed flow in collisions of Au+Au, Xe+CsI and Ni+Ni at incident energies from 90 to 400A MeV. We study the centrality and system dependence o…