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8 papers · 2 filters
Broken symmetry phase solution of the phi^4 model at two-loop level of the Phi-derivable approximation
G. Fejos, Zs. Szep
The set of coupled equations for the self-consistent propagator and the field expectation value is solved numerically with high accuracy in Euclidean space at zero temperature and…
Underlying events in p+p collisions at LHC energies
A. G. Agócs, G. G. Barnaföldi, P. Lévai
General properties of hadron production are investigated in proton-proton collisions at LHC energies. We are interested in the characteristics of hadron production outside the iden…
Lattice SU(3) thermodynamics and the onset of perturbative behaviour
Sz. Borsanyi, G. Endrodi, Z. Fodor +2
We present the equation of state (pressure, trace anomaly, energy density and entropy density) of the SU(3) gauge theory from lattice field theory in an unprecedented precision and…
Spontaneously broken ground states of the U(n)_L x U(n)_R linear sigma model at large n
G. Fejos, A. Patkos
Symmetry breaking patterns of the U(n)_L x U(n)_R symmetric meson model are investigated in a formulation involving three auxiliary composite fields. The effective potential is con…
Fermion Condensate as Higgs substitute
G. Cynolter, E. Lendvai
A dynamical symmetry breaking model of electroweak interactions is investigated based on strongly interacting fermions. Vector-like fermions of different representations of the wea…
Pion Production Via Resonance Decay in a Non-extensive Quark-Gluon Medium with Non-additive Energy Composition Rule
Karoly Urmossy, Tamas S. Biro, Gergely G. Barnaföldi
Resonance production and decay into pion pairs is simulated in a non-extensive quark matter with multi-particle interactions. Final state pion spectra are found to take the form of…