Search Results - "Klabučar, Dubravko"

Neutrino Oscillations in Finite Time Path Out-of-Equilibrium Thermal Field Theory by Dadić, Ivan, Klabučar, Dubravko

“…We demonstrate that the Finite-Time-Path Field Theory is an adequate tool for calculating neutrino oscillations. We apply this theory using a mass-mixing…”
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Aspects of model dependence of η′–η complex treated by going beyond the isospin limit by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…Exploring the extent of model dependence, we study effects of certain Ansätze for the T -dependence of the correction term in the QCD topological…”
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A Dyson-Schwinger model beyond isospin limit: prepared for investigating U A(1)-breaking temperature dependence by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

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Direct Photons from Hot Quark Matter in Renormalized Finite-Time-Path QED by Dadić, Ivan, Klabučar, Dubravko, Kuić, Domagoj

“…Within the finite-time-path out-of-equilibrium quantum field theory (QFT), we calculate direct photon emission from early stages of heavy ion collisions, from…”
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Temperature Dependence of the Axion Mass in a Scenario Where the Restoration of Chiral Symmetry Drives the Restoration of the UA(1) Symmetry by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…The temperature (T) dependence of the axion mass is predicted for T ′ s up to ∼ 2.3 × the chiral restoration temperature of QCD. The axion is related to the U…”
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Anomalous γ→3π amplitude in a bound-state approach by Bistrović, Bojan, Klabučar, Dubravko

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A Dyson-Schwinger model beyond isospin limit: prepared for investigating UA(1)-breaking temperature dependence by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…Motivated by our earlier findings of sensitive quark-flavor dependence of QCD topological susceptibility on products of current quark masses and corresponding…”
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Causality and Renormalization in Finite-Time-Path Out-of-Equilibrium ϕ3 QFT by Dadić, Ivan, Klabučar, Dubravko

“…Our aim is to contribute to quantum field theory (QFT) formalisms useful for descriptions of short time phenomena, dominant especially in heavy ion collisions…”
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Neutrino Oscillations in Finite Time Path Out-of-Equilibrium Thermal Field Theory by Dadić, Ivan, Klabučar, Dubravko

“…Symmetry 2023, 15, 1970 We demonstrate that the Finite-Time-Path Field Theory is an adequate tool for calculating neutrino oscillations. We apply this theory…”
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Pion observables calculated in Minkowski and Euclidean spaces with Ans\"atze for quark propagators by Kekez, Dalibor, Klabučar, Dubravko

“…Phys.Rev.D 107 (2023) 9, 094025 We study two quark--propagator meromorphic Ans\"atze that admit clear connection between calculations in Euclidean space and…”
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Causality and Renormalization in Finite-Time-Path Out-of-Equilibrium $\phi^3$ QFT by Dadić, Ivan, Klabučar, Dubravko

“…Particles 2019, 2, 92-102 Our aim is to contribute to quantum field theory (QFT) formalisms useful for descriptions of short time phenomena, dominant…”
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Direct Photons from Hot Quark Matter in Renormalized Finite-Time-Path QED by Dadić, Ivan, Klabučar, Dubravko, Kuić, Domagoj

“…Particles 3 (2020) 676-692 Within the finite-time-path out-of-equilibrium quantum field theory (QFT), we calculate direct photon emission from early stages of…”
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A Dyson-Schwinger model beyond isospin limit prepared for investigating U_A(1)-breaking temperature dependence by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…Motivated by our earlier findings of sensitive quark-flavor dependence of QCD topological susceptibility on products of current quark masses and corresponding…”
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T-dependence of the axion mass when the U_A(1) and chiral symmetry breaking are tied by Klabučar, Dubravko, Horvatić, Davor, Kekez, Dalibor

“…Modulo the scale of spontaneous breaking of Peccei-Quinn symmetry, the axion mass $m_a(T)$ is given by the QCD topological susceptibility ${\chi}(T)$ at all…”
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Temperature Dependence of the Axion Mass in a Scenario Where the Restoration of Chiral Symmetry Drives the Restoration of the $U_A(1)$ Symmetry by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…Universe 5 (2019) no.10, 208 The temperature ($T$) dependence of the axion mass is predicted for $T$'s up to $\sim 2.3 \times$ the chiral restoration…”
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γ★γ→ π0 transition and asymptotics of γ★γ and γ★γ★ transitions of unflavored pseudoscalar mesons by Kekez, Dalibor, Klabučar, Dubravko

“…For the spacelike momenta k of the virtual photon γ ★, the π 0( p) γ ★( k) γ( k ′) transition form factor is considered in the coupled Schwinger–Dyson and…”
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eta'$ and $\eta$ mesons at high T when the U_A(1) and chiral symmetry breaking are tied by Horvatić, Davor, Kekez, Dalibor, Klabučar, Dubravko

“…Phys. Rev. D 99, 014007 (2019) The approach to the eta'-eta complex employing chirally well-behaved quark-antiquark bound states and incorporating the…”
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Anomalous γ→3 π amplitude in a bound-state approach by Bistrović, Bojan, Klabučar, Dubravko

“…The form factor for the anomalous process γπ +→ π + π 0, which is presently being measured at CEBAF, is calculated in the Schwinger–Dyson approach in…”
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Axial anomaly and the interplay of quark loops with pseudoscalar and vector mesons in the γ → π + π 0 π − process by Benić, Sanjin, Klabučar, Dubravko

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Two-photon processes of pseudoscalar mesons in a Bethe-Salpeter approach by Kekez, Dalibor, Klabučar, Dubravko

“…We evaluate the π 0γ ∗ → γ transition form factor and γγ decay widths for π 0, η c and η b treated as q q bound states in the Bethe-Salpeter formalism,…”
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