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Event-by-event fluctuations of the kaon to pion ratio in central Pb+Pb collisions at 158 GeV per Nucleon
Afanasiev, NA49 collaboration
We present the first measurement of fluctuations from event to event in the production of strange particles in collisions of heavy nuclei. The ratio of charged kaons to charged pio…
Transition from in-plane to out-of-plane azimuthal enhancement in Au+Au collisions
A. Andronic, G. Stoicea, M. Petrovici +1
The incident energy at which the azimuthal distributions in semi-central heavy ion collisions change from in-plane to out-of-plane enhancement, E_tran, is studied as a function of…
Grand Unification Signal from Ultra High Energy Cosmic Rays?
Z. Fodor, S. D. Katz
The spectrum of ultrahigh energy (above \approx 10^{9} GeV) cosmic rays is consistent with the decay of GUT scale particles. The predicted mass is m_X=10^b GeV, where b=14.6_{-1.7}…
Ultra High Energy Cosmic Rays from Compact Sources
Z. Fodor, S. D. Katz
The clustering of ultra high energy (above 10^20 eV) cosmic rays (UHECR) suggests that they might be emitted by compact sources. Statistical analysis of Dubovsky et al. (Phys. Rev.…
Sideward flow of K+ mesons in Ru+Ru and Ni+Ni reactions near threshold
P. Crochet, N. Herrmann, K. Wisniewski +2
Experimental data on K+ meson and proton sideward flow measured with the FOPI detector at SIS/GSI in the reactions Ru+Ru at 1.69 AGeV and Ni+Ni at 1.93 AGeV are presented. The K+ s…
Electroweak Phase Transition in the MSSM: 4-Dimensional Lattice Simulations
F. Csikor, Z. Fodor, P. Hegedus +3
Recent lattice results have shown that there is no Standard Model (SM) electroweak phase transition (EWPT) for Higgs boson masses above \approx 72 GeV, which is below the present e…